{"kind": "operator", "major": "18", "item": {"slug": "op-3c2d3e-point-point", "name": "<->(point,point)", "name_zh": "", "category": "\u51e0\u4f55", "summary": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "aliases": ["<->", "<->(point,point)"], "content_hash": "ddb3d993248ca57be08ea5b710213f5648d4c4c2b0719e9d905be558e96b0ace", "versions": {"10": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "point_distance(point,point)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-gist-point_ops/?v=10", "text": "point_ops"}, "method": {"url": "/wiki/indexam/gist/?v=10", "text": "GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "aliases": ["<->", "<->(point,point)"], "related": [{"url": "/wiki/type/point/?v=10", "label": "point \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/float8/?v=10", "label": "float8 \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/operator/op-3c2d3e-point-point/?v=10", "label": "\u4ea4\u6362\u64cd\u4f5c\u7b26\uff1a<->(point,point)"}, {"url": "/wiki/opclass/family-gist-point_ops/?v=10", "label": "gist/point_ops \u5bb6\u65cf"}], "release": {"ref": 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"label": "PostgreSQL 10 English manual: catalog-pg-amop.html", "sha256": "d5ce5a3be599e5506edbe3ff615674beb013720953f4979a44b6ecfd4cc24090"}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/10/catalog-pg-operator.html", "anchor": "", "locale": "zh-Hans", "version": "10", "build_id": 63, "page_key": "catalog-pg-operator.html", "extraction": "concept-introduction", "source_hash": "870c7f6d7f9191fcadd22f350757fd9479ff58e5275c7ebf8ec96711a855bafe", "fragment_sha256": "b9dad14209496011fd94abd21d7e19af357ab6089c550e36a5196a0683ab0054", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:62997ea80516ad012fbf6359de33f3b016b54c47e2df76e75606116b4baaf8e5", "translated_from_revision": null}, "body_sha256": "8aba029a3ae2203d39dd159606584b83b750d3235ddcccc24173e091089b617a", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "point_distance(point,point)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "point_distance(point,point)", "hash_join": "f", "left_type": "point", "commutator": "<->(point,point)", "merge_join": "f", "right_type": "point", "result_type": "float8"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 37.12 \u8282 \u3002", "\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002"]}], "center_zh": {"title": "<->(point,point)", "locale": "zh-Hans", "source": {"key": "op-3c2d3e-point-point", "locale": "zh-Hans", "version": "10", "text_hash": "d21a54e3f7694ff9816603eaabd124e5d228010738fb6f5eac2f086866fce318", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "point_distance(point,point)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-gist-point_ops/?v=10", "text": "point_ops"}, "method": {"url": "/wiki/indexam/gist/?v=10", "text": "GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/10/catalog-pg-operator.html", "anchor": "", "locale": "zh-Hans", "version": "10", "build_id": 63, "page_key": "catalog-pg-operator.html", "extraction": "concept-introduction", "source_hash": "870c7f6d7f9191fcadd22f350757fd9479ff58e5275c7ebf8ec96711a855bafe", "fragment_sha256": "b9dad14209496011fd94abd21d7e19af357ab6089c550e36a5196a0683ab0054", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:62997ea80516ad012fbf6359de33f3b016b54c47e2df76e75606116b4baaf8e5", "translated_from_revision": null}, "body_sha256": "8aba029a3ae2203d39dd159606584b83b750d3235ddcccc24173e091089b617a", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 37.12 \u8282 \u3002", "\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002"]}], "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>point_distance(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>   \u76ee\u5f55 <code class=\"structname\">pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a class=\"xref\" href=\"/zh/docs/10/sql-createoperator.html\"><span class=\"refentrytitle\">CREATE OPERATOR</span></a> \u548c<a class=\"xref\" href=\"/zh/docs/10/xoper.html\">\u7b2c\u00a037.12\u00a0\u8282</a>\u3002\n  </p><p>\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 <code class=\"structfield\">oprleft</code> \u4e3a\u96f6\u3002</p><p><a href=\"/zh/docs/10/catalog-pg-operator.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "summary": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "version": "10", "link_map": {"/zh/docs/10/xoper.html": "/docs/10/xoper.html", "/zh/docs/10/sql-createoperator.html": "/docs/10/sql-createoperator.html", "/zh/docs/10/catalog-pg-operator.html": "/docs/10/catalog-pg-operator.html"}, "body_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>point_distance(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/10/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/10/xoper.html\" rel=\"nofollow\">\u7b2c\u00a037.12\u00a0\u8282</a>\u3002\n  </p><p>\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 <code>oprleft</code> \u4e3a\u96f6\u3002</p><p><a href=\"/zh/docs/10/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "body_sha256": "89cf6e58a849777374aa00ddfe4803faadca5c35d742942209e6e8c8d4c4aee5", "content_hash": "d21a54e3f7694ff9816603eaabd124e5d228010738fb6f5eac2f086866fce318", "source_database": "center", "source_revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "signature": "<->(point,point) \u2192 float8", "tables_zh": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-gist-point_ops/?v=10", "text": "point_ops"}, "method": {"url": "/wiki/indexam/gist/?v=10", "text": "GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "source_oid": "517", "description": ["\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002"], "memberships": [{"family": "point_ops", "method": "gist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", 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node", "sha256": "3740bedec8ec7057a4675ce56725731bbf5f224a99576be65691ff91e66c9e5b", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]", "#CATALOG-PG-OPERATOR/p[5]"]}], "language": "zh", "original_text": {"/versions/10/description/0": "distance between", "/versions/10/facts/0/label": "Left operand", "/versions/10/facts/1/label": "Right operand", "/versions/10/facts/2/label": "Result type", "/versions/10/facts/3/label": "Implementing function", "/versions/10/facts/4/label": "Operator kind", "/versions/10/facts/5/label": "Hash join candidate", "/versions/10/facts/5/value": "no", "/versions/10/facts/6/label": "Merge join candidate", "/versions/10/facts/6/value": "no", "/versions/10/tables/0/title": "Declared operator-family membership", "/versions/10/related/0/label": "point data type", "/versions/10/related/1/label": "float8 data type", "/versions/10/related/2/label": "Commutator: <->(point,point)", "/versions/10/related/3/label": "gist/point_ops family", "/versions/10/sections/0/title": "Catalog interpretation", "/versions/10/sections/0/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 37.12 for more information.", "/versions/10/sections/0/paragraphs/1": "Unused columns contain zeroes. For example, oprleft is zero for a prefix operator.", "/versions/10/tables/0/rows/0/purpose": "ordering", "/versions/10/tables/0/columns/0/label": "Index AM", "/versions/10/tables/0/columns/1/label": "Family", "/versions/10/tables/0/columns/2/label": "Strategy", "/versions/10/tables/0/columns/3/label": "Purpose", "/versions/10/tables/0/columns/4/label": "Ordering family"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "5dbf0f49dc66fc5f39f580cf836ed23f54333faae9bd4f0245bdab9ad50c5a95", "canonical_center_text_hash": "d21a54e3f7694ff9816603eaabd124e5d228010738fb6f5eac2f086866fce318"}, "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "point_distance(point,point)", "hash_join": "f", "left_type": "point", "commutator": "<->(point,point)", "merge_join": "f", "right_type": "point", "result_type": "float8"}, "memberships": [{"family": "point_ops", "method": "gist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "sort_family": "float_ops"}]}, "comparison_hash": "e2ba0c1be6ed17331594e62987a23727b3dd1c220a6bff3633f9b82f1bfb856f", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>point_distance(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/10/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/10/xoper.html\" rel=\"nofollow\">\u7b2c\u00a037.12\u00a0\u8282</a>\u3002\n  </p><p>\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 <code>oprleft</code> \u4e3a\u96f6\u3002</p><p><a href=\"/zh/docs/10/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "11": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "point_distance(point,point)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-gist-point_ops/?v=11", "text": "point_ops"}, "method": {"url": "/wiki/indexam/gist/?v=11", "text": "GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "aliases": ["<->", "<->(point,point)"], "related": [{"url": "/wiki/type/point/?v=11", "label": "point \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/float8/?v=11", "label": "float8 \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/operator/op-3c2d3e-point-point/?v=11", "label": "\u4ea4\u6362\u64cd\u4f5c\u7b26\uff1a<->(point,point)"}, {"url": "/wiki/opclass/family-gist-point_ops/?v=11", "label": "gist/point_ops \u5bb6\u65cf"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v11.22/postgresql-11.22.tar.bz2", "label": "11.22", "major": "11", "channel": "historical", "revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0", "source_sha256": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0", "manual_fingerprint": "99c9e45d34555f000789cb4e019492e838041c1f2f31d840f3051ff9d7ed9118", "catalog_fingerprint": "4f08eb8c7ac7d09abfbb29a172148a44b8fb72026616bb55a5f8f84db7a38785"}, "sources": [{"url": "https://ftp.postgresql.org/pub/source/v11.22/postgresql-11.22.tar.bz2", "label": "Matching PostgreSQL source archive", "sha256": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, {"url": "/docs/11/catalog-pg-operator.html", "path": "catalog-pg-operator.html", "label": "PostgreSQL 11 English manual: catalog-pg-operator.html", "sha256": "3de94bb7f17052a69cf35056c95cac18bf74de96ea2c7b243165f1eeb6a3d587"}, {"url": "/docs/11/catalog-pg-amop.html", "path": "catalog-pg-amop.html", "label": "PostgreSQL 11 English manual: catalog-pg-amop.html", "sha256": "c17d050a6f2d093de2c343242bcc4d446b936de1d2902727d3fa3b0697b44fd3"}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/11/catalog-pg-operator.html", "anchor": "", "locale": "zh-Hans", "version": "11", "build_id": 64, "page_key": "catalog-pg-operator.html", "extraction": "concept-introduction", "source_hash": "0a1886d791082632a12e7f8727bde5468669f9a29ef4525aa1c89ba15b017a01", "fragment_sha256": "adb97cbf474fdd0e74539c40cd3f68706ea9b84436a3670063f959f620302de8", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:ef5c7bc074acae9795db16e6b7482aea3b222bd4bcce0f76831332b97a21e8a1", "translated_from_revision": null}, "body_sha256": "eeb57d116259b42e9e1c8e3dea6dcf5adcb009d50eb4cad6c9861c7a9a08f78f", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "point_distance(point,point)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "point_distance(point,point)", "hash_join": "f", "left_type": "point", "commutator": "<->(point,point)", "merge_join": "f", "right_type": "point", "result_type": "float8"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 38.13 \u8282 \u3002", "\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002"]}], "center_zh": {"title": "<->(point,point)", "locale": "zh-Hans", "source": {"key": "op-3c2d3e-point-point", "locale": "zh-Hans", "version": "11", "text_hash": "05c2e51bb1d797a0f9ec34efce17ae19e174fdb4bb5fc4df4a6653f4c2bf4372", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "point_distance(point,point)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-gist-point_ops/?v=11", "text": "point_ops"}, "method": {"url": "/wiki/indexam/gist/?v=11", "text": "GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/11/catalog-pg-operator.html", "anchor": "", "locale": "zh-Hans", "version": "11", "build_id": 64, "page_key": "catalog-pg-operator.html", "extraction": "concept-introduction", "source_hash": "0a1886d791082632a12e7f8727bde5468669f9a29ef4525aa1c89ba15b017a01", "fragment_sha256": "adb97cbf474fdd0e74539c40cd3f68706ea9b84436a3670063f959f620302de8", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:ef5c7bc074acae9795db16e6b7482aea3b222bd4bcce0f76831332b97a21e8a1", "translated_from_revision": null}, "body_sha256": "eeb57d116259b42e9e1c8e3dea6dcf5adcb009d50eb4cad6c9861c7a9a08f78f", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 38.13 \u8282 \u3002", "\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002"]}], "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>point_distance(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code class=\"structname\">pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a class=\"xref\" href=\"/zh/docs/11/sql-createoperator.html\"><span class=\"refentrytitle\">CREATE OPERATOR</span></a> \u548c<a class=\"xref\" href=\"/zh/docs/11/xoper.html\">\u7b2c\u00a038.13\u00a0\u8282</a>\u3002\n  </p><p>\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 <code class=\"structfield\">oprleft</code> \u4e3a\u96f6\u3002</p><p><a href=\"/zh/docs/11/catalog-pg-operator.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "summary": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "version": "11", "link_map": {"/zh/docs/11/xoper.html": "/docs/11/xoper.html", "/zh/docs/11/sql-createoperator.html": "/docs/11/sql-createoperator.html", "/zh/docs/11/catalog-pg-operator.html": "/docs/11/catalog-pg-operator.html"}, "body_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>point_distance(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/11/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/11/xoper.html\" rel=\"nofollow\">\u7b2c\u00a038.13\u00a0\u8282</a>\u3002\n  </p><p>\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 <code>oprleft</code> \u4e3a\u96f6\u3002</p><p><a href=\"/zh/docs/11/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "body_sha256": "5082528c150418419d37952afc221c85617516c6b102688c247d6d9af4046c10", "content_hash": "05c2e51bb1d797a0f9ec34efce17ae19e174fdb4bb5fc4df4a6653f4c2bf4372", "source_database": "center", "source_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "signature": "<->(point,point) \u2192 float8", "tables_zh": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-gist-point_ops/?v=11", "text": "point_ops"}, "method": {"url": "/wiki/indexam/gist/?v=11", "text": "GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "source_oid": "517", "description": ["\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002"], "memberships": [{"family": "point_ops", "method": "gist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "description": "distance between", "family_slug": "family-gist-point_ops", "result_type": "float8", "sort_family": "float_ops", "operator_slug": "op-3c2d3e-point-point", "sort_family_slug": "family-btree-float_ops"}], "sections_zh": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 38.13 \u8282 \u3002", "\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/11/catalog-pg-amop.html", "method": "same-major semantic node", "sha256": "d4e01ba05c1f00188e2353ef6816dbe175140ae359defc71e20f92fb0e69299a", "language": "zh", "matched_nodes": ["#CATALOG-PG-AMOP/p[2]/em[2]"]}, {"url": "/docs/11/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "f82a79efdee09289202a35db03a983767f4fc93fe523141f530180cd56c9dd23", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]", "#CATALOG-PG-OPERATOR/p[5]"]}], "language": "zh", "original_text": {"/versions/11/description/0": "distance between", "/versions/11/facts/0/label": "Left operand", "/versions/11/facts/1/label": "Right operand", "/versions/11/facts/2/label": "Result type", "/versions/11/facts/3/label": "Implementing function", "/versions/11/facts/4/label": "Operator kind", "/versions/11/facts/5/label": "Hash join candidate", "/versions/11/facts/5/value": "no", "/versions/11/facts/6/label": "Merge join candidate", "/versions/11/facts/6/value": "no", "/versions/11/tables/0/title": "Declared operator-family membership", "/versions/11/related/0/label": "point data type", "/versions/11/related/1/label": "float8 data type", "/versions/11/related/2/label": "Commutator: <->(point,point)", "/versions/11/related/3/label": "gist/point_ops family", "/versions/11/sections/0/title": "Catalog interpretation", "/versions/11/sections/0/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 38.13 for more information.", "/versions/11/sections/0/paragraphs/1": "Unused columns contain zeroes. For example, oprleft is zero for a prefix operator.", "/versions/11/tables/0/rows/0/purpose": "ordering", "/versions/11/tables/0/columns/0/label": "Index AM", "/versions/11/tables/0/columns/1/label": "Family", "/versions/11/tables/0/columns/2/label": "Strategy", "/versions/11/tables/0/columns/3/label": "Purpose", "/versions/11/tables/0/columns/4/label": "Ordering family"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "d0ca524d93416e8a7e7a26761a26a70411189c3e7179842f60802d31f58dd1de", "canonical_center_text_hash": "05c2e51bb1d797a0f9ec34efce17ae19e174fdb4bb5fc4df4a6653f4c2bf4372"}, "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "point_distance(point,point)", "hash_join": "f", "left_type": "point", "commutator": "<->(point,point)", "merge_join": "f", "right_type": "point", "result_type": "float8"}, "memberships": [{"family": "point_ops", "method": "gist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "sort_family": "float_ops"}]}, "comparison_hash": "e2ba0c1be6ed17331594e62987a23727b3dd1c220a6bff3633f9b82f1bfb856f", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>point_distance(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/11/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/11/xoper.html\" rel=\"nofollow\">\u7b2c\u00a038.13\u00a0\u8282</a>\u3002\n  </p><p>\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 <code>oprleft</code> \u4e3a\u96f6\u3002</p><p><a href=\"/zh/docs/11/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "12": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "point_distance(point,point)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-gist-point_ops/?v=12", "text": "point_ops"}, "method": {"url": "/wiki/indexam/gist/?v=12", "text": "GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-quad_point_ops/?v=12", "text": "quad_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=12", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-kd_point_ops/?v=12", "text": "kd_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=12", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "aliases": ["<->", "<->(point,point)"], "related": [{"url": "/wiki/type/point/?v=12", "label": "point \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/float8/?v=12", "label": "float8 \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/operator/op-3c2d3e-point-point/?v=12", "label": "\u4ea4\u6362\u64cd\u4f5c\u7b26\uff1a<->(point,point)"}, {"url": "/wiki/opclass/family-gist-point_ops/?v=12", "label": "gist/point_ops \u5bb6\u65cf"}, {"url": "/wiki/opclass/family-spgist-quad_point_ops/?v=12", "label": "spgist/quad_point_ops \u5bb6\u65cf"}, {"url": "/wiki/opclass/family-spgist-kd_point_ops/?v=12", "label": "spgist/kd_point_ops \u5bb6\u65cf"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v12.22/postgresql-12.22.tar.bz2", "label": "12.22", "major": "12", "channel": "historical", "revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b", "source_sha256": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b", "manual_fingerprint": "535df36baec2140f211303631c0a3f64e02d2673b9d34cb050d247997c94bd1e", "catalog_fingerprint": "1f423fd3c5fb61c039f8814116ce19dedbb2804bc864599818e88cbc4f5f284a"}, "sources": [{"url": "https://ftp.postgresql.org/pub/source/v12.22/postgresql-12.22.tar.bz2", "label": "Matching PostgreSQL source archive", "sha256": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, {"url": "/docs/12/catalog-pg-operator.html", "path": "catalog-pg-operator.html", "label": "PostgreSQL 12 English manual: catalog-pg-operator.html", "sha256": 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"1a33067dbae4ce5aa527f7045aa8362552aa064553dd5d29144f19f9e231f7e0", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "point_distance(point,point)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "point_distance(point,point)", "hash_join": "f", "left_type": "point", "commutator": "<->(point,point)", "merge_join": "f", "right_type": "point", "result_type": "float8"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 37.14 \u8282 \u3002", "\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002"]}], "center_zh": {"title": "<->(point,point)", "locale": "zh-Hans", "source": {"key": "op-3c2d3e-point-point", "locale": "zh-Hans", "version": "12", "text_hash": "78cd99b37bd736eb264f8fde4a6634e7c79b8874abff54977c97c77c1d4879d4", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "point_distance(point,point)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-gist-point_ops/?v=12", "text": "point_ops"}, "method": {"url": "/wiki/indexam/gist/?v=12", "text": "GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-quad_point_ops/?v=12", "text": "quad_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=12", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-kd_point_ops/?v=12", "text": "kd_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=12", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/12/catalog-pg-operator.html", "anchor": "", "locale": "zh-Hans", "version": "12", "build_id": 65, "page_key": "catalog-pg-operator.html", "extraction": "concept-introduction", "source_hash": "81ee405c6c78bb15e19f04abae13db32e44641d76ab4b54f5a93e2fe5ccf7ff2", "fragment_sha256": "caa51cc02d567e9c4f74ed11c50a00e96c00f3b660a06a90fe345dec73c95524", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:86d2ff781f93e1de17122ebc514d5e64fcb63fed15941f496d7e146c6dcc7a49", "translated_from_revision": null}, "body_sha256": "1a33067dbae4ce5aa527f7045aa8362552aa064553dd5d29144f19f9e231f7e0", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 37.14 \u8282 \u3002", "\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002"]}], "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>point_distance(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code class=\"structname\">pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a class=\"xref\" href=\"/zh/docs/12/sql-createoperator.html\"><span class=\"refentrytitle\">CREATE OPERATOR</span></a> \u548c<a class=\"xref\" href=\"/zh/docs/12/xoper.html\">\u7b2c\u00a037.14\u00a0\u8282</a>\u3002\n  </p><p>\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 <code class=\"structfield\">oprleft</code> \u4e3a\u96f6\u3002</p><p><a href=\"/zh/docs/12/catalog-pg-operator.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "summary": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "version": "12", "link_map": {"/zh/docs/12/xoper.html": "/docs/12/xoper.html", "/zh/docs/12/sql-createoperator.html": "/docs/12/sql-createoperator.html", "/zh/docs/12/catalog-pg-operator.html": "/docs/12/catalog-pg-operator.html"}, "body_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>point_distance(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/12/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/12/xoper.html\" rel=\"nofollow\">\u7b2c\u00a037.14\u00a0\u8282</a>\u3002\n  </p><p>\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 <code>oprleft</code> \u4e3a\u96f6\u3002</p><p><a href=\"/zh/docs/12/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "body_sha256": "411706943f6f16136c59821c6d3e416444ca49fe55b21f31f87e1ef3c378ca86", "content_hash": "78cd99b37bd736eb264f8fde4a6634e7c79b8874abff54977c97c77c1d4879d4", "source_database": "center", "source_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "signature": "<->(point,point) \u2192 float8", "tables_zh": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-gist-point_ops/?v=12", "text": "point_ops"}, "method": {"url": "/wiki/indexam/gist/?v=12", "text": "GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-quad_point_ops/?v=12", "text": "quad_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=12", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-kd_point_ops/?v=12", "text": "kd_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=12", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "source_oid": "517", "description": ["\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002"], "memberships": [{"family": "point_ops", "method": "gist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "description": "distance between", "family_slug": "family-gist-point_ops", "result_type": "float8", "sort_family": "float_ops", "operator_slug": "op-3c2d3e-point-point", "sort_family_slug": "family-btree-float_ops"}, {"family": "quad_point_ops", "method": "spgist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "description": "distance between", "family_slug": "family-spgist-quad_point_ops", "result_type": "float8", "sort_family": "float_ops", "operator_slug": "op-3c2d3e-point-point", "sort_family_slug": "family-btree-float_ops"}, {"family": "kd_point_ops", "method": "spgist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "description": "distance between", "family_slug": "family-spgist-kd_point_ops", "result_type": "float8", "sort_family": "float_ops", "operator_slug": "op-3c2d3e-point-point", "sort_family_slug": "family-btree-float_ops"}], "sections_zh": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 37.14 \u8282 \u3002", "\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/12/catalog-pg-amop.html", "method": "same-major semantic node", "sha256": "fb1485d72baa6293bbb9db509168fcb9e29aeb84d9eaa463046dffc10c6689ab", "language": "zh", "matched_nodes": ["#CATALOG-PG-AMOP/p[2]/em[2]"]}, {"url": "/docs/12/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "4a79b5202e1196d421bb3e2618f56796ef0b5c8fc2303cae3f9889c405e5236f", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]", "#CATALOG-PG-OPERATOR/p[5]"]}], "language": "zh", "original_text": {"/versions/12/description/0": "distance between", "/versions/12/facts/0/label": "Left operand", "/versions/12/facts/1/label": "Right operand", "/versions/12/facts/2/label": "Result type", "/versions/12/facts/3/label": "Implementing function", "/versions/12/facts/4/label": "Operator kind", "/versions/12/facts/5/label": "Hash join candidate", "/versions/12/facts/5/value": "no", "/versions/12/facts/6/label": "Merge join candidate", "/versions/12/facts/6/value": "no", "/versions/12/tables/0/title": "Declared operator-family membership", "/versions/12/related/0/label": "point data type", "/versions/12/related/1/label": "float8 data type", "/versions/12/related/2/label": "Commutator: <->(point,point)", "/versions/12/related/3/label": "gist/point_ops family", "/versions/12/related/4/label": "spgist/quad_point_ops family", "/versions/12/related/5/label": "spgist/kd_point_ops family", "/versions/12/sections/0/title": "Catalog interpretation", "/versions/12/sections/0/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 37.14 for more information.", "/versions/12/sections/0/paragraphs/1": "Unused columns contain zeroes. For example, oprleft is zero for a prefix operator.", "/versions/12/tables/0/rows/0/purpose": "ordering", "/versions/12/tables/0/rows/1/purpose": "ordering", "/versions/12/tables/0/rows/2/purpose": "ordering", "/versions/12/tables/0/columns/0/label": "Index AM", "/versions/12/tables/0/columns/1/label": "Family", "/versions/12/tables/0/columns/2/label": "Strategy", "/versions/12/tables/0/columns/3/label": "Purpose", "/versions/12/tables/0/columns/4/label": "Ordering family"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "d2e02ced323b33afec762fab9d9ee15296f03f01fca5e17265a34be40b3fc4e2", "canonical_center_text_hash": "78cd99b37bd736eb264f8fde4a6634e7c79b8874abff54977c97c77c1d4879d4"}, "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "point_distance(point,point)", "hash_join": "f", "left_type": "point", "commutator": "<->(point,point)", "merge_join": "f", "right_type": "point", "result_type": "float8"}, "memberships": [{"family": "point_ops", "method": "gist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "sort_family": "float_ops"}, {"family": "kd_point_ops", "method": "spgist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "sort_family": "float_ops"}, {"family": "quad_point_ops", "method": "spgist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "sort_family": "float_ops"}]}, "comparison_hash": "bc51c08619268485d83a1a77f5acded28742ae5de8649abea54aa4af889fa3ab", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>point_distance(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/12/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/12/xoper.html\" rel=\"nofollow\">\u7b2c\u00a037.14\u00a0\u8282</a>\u3002\n  </p><p>\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 <code>oprleft</code> \u4e3a\u96f6\u3002</p><p><a href=\"/zh/docs/12/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "13": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "point_distance(point,point)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-gist-point_ops/?v=13", "text": "point_ops"}, "method": {"url": "/wiki/indexam/gist/?v=13", "text": "GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-quad_point_ops/?v=13", "text": "quad_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=13", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-kd_point_ops/?v=13", "text": "kd_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=13", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "aliases": ["<->", "<->(point,point)"], "related": [{"url": "/wiki/type/point/?v=13", "label": "point \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/float8/?v=13", "label": "float8 \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/operator/op-3c2d3e-point-point/?v=13", "label": "\u4ea4\u6362\u64cd\u4f5c\u7b26\uff1a<->(point,point)"}, {"url": "/wiki/opclass/family-gist-point_ops/?v=13", "label": "gist/point_ops \u5bb6\u65cf"}, {"url": "/wiki/opclass/family-spgist-quad_point_ops/?v=13", "label": "spgist/quad_point_ops \u5bb6\u65cf"}, {"url": "/wiki/opclass/family-spgist-kd_point_ops/?v=13", "label": "spgist/kd_point_ops \u5bb6\u65cf"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v13.23/postgresql-13.23.tar.bz2", "label": "13.23", "major": "13", "channel": "historical", "revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6", "source_sha256": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6", "manual_fingerprint": "2bbea71f4723fc9e4e58cfdb28368763f999de2800d45ade748f7c7546dfb9d3", "catalog_fingerprint": "df58d29b226fbb90326087233d7970032abdec1352373270449eeee324f84a35"}, "sources": [{"url": "https://ftp.postgresql.org/pub/source/v13.23/postgresql-13.23.tar.bz2", "label": "Matching PostgreSQL source archive", "sha256": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, {"url": "/docs/13/catalog-pg-operator.html", "path": "catalog-pg-operator.html", "label": "PostgreSQL 13 English manual: catalog-pg-operator.html", "sha256": "1a325d2fa41f711c0a7fa6b57e37e8e98a59f218e01112e0767c455c1b5818a1"}, {"url": "/docs/13/catalog-pg-amop.html", "path": "catalog-pg-amop.html", "label": "PostgreSQL 13 English manual: catalog-pg-amop.html", "sha256": "7a8e67f8dc59c305612c6d029fc8760c092f27203d5338c6db6c6d9b8aabc561"}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/13/catalog-pg-operator.html", "anchor": "", "locale": "zh-Hans", "version": "13", "build_id": 66, "page_key": "catalog-pg-operator.html", "extraction": "concept-introduction", "source_hash": "a953a87e505ef7011772f0f7fee1d4b3f3aa87988dbd06681afb0d42f04d59c4", "fragment_sha256": "9deaa0c9b4dba942fa5d70e6d150b80f86f25568750984ad78fe484949a8f577", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:a13a825c39f0268ef1cfe9137e283e38d0da73b2d7894f0733c7b26372a4f6a4", "translated_from_revision": null}, "body_sha256": "1b3f9fa7f59fbcdb31da258233f28e3689cf2037dab66037daf25d3a958850da", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "point_distance(point,point)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "point_distance(point,point)", "hash_join": "f", "left_type": "point", "commutator": "<->(point,point)", "merge_join": "f", "right_type": "point", "result_type": "float8"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 37.14 \u8282 \u3002", "\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002"]}], "center_zh": {"title": "<->(point,point)", "locale": "zh-Hans", "source": {"key": "op-3c2d3e-point-point", "locale": "zh-Hans", "version": "13", "text_hash": "8de93261e0d3607d16adf60bdb0687a9c91c806fc50e78f986ca8c1bc9e94e06", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "point_distance(point,point)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-gist-point_ops/?v=13", "text": "point_ops"}, "method": {"url": "/wiki/indexam/gist/?v=13", "text": "GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-quad_point_ops/?v=13", "text": "quad_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=13", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-kd_point_ops/?v=13", "text": "kd_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=13", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/13/catalog-pg-operator.html", "anchor": "", "locale": "zh-Hans", "version": "13", "build_id": 66, "page_key": "catalog-pg-operator.html", "extraction": "concept-introduction", "source_hash": "a953a87e505ef7011772f0f7fee1d4b3f3aa87988dbd06681afb0d42f04d59c4", "fragment_sha256": "9deaa0c9b4dba942fa5d70e6d150b80f86f25568750984ad78fe484949a8f577", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:a13a825c39f0268ef1cfe9137e283e38d0da73b2d7894f0733c7b26372a4f6a4", "translated_from_revision": null}, "body_sha256": "1b3f9fa7f59fbcdb31da258233f28e3689cf2037dab66037daf25d3a958850da", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 37.14 \u8282 \u3002", "\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002"]}], "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>point_distance(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code class=\"structname\">pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a class=\"xref\" href=\"/zh/docs/13/sql-createoperator.html\"><span class=\"refentrytitle\">CREATE OPERATOR</span></a> \u548c<a class=\"xref\" href=\"/zh/docs/13/xoper.html\">\u7b2c\u00a037.14\u00a0\u8282</a>\u3002\n  </p><p>\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 <code class=\"structfield\">oprleft</code> \u4e3a\u96f6\u3002</p><p><a href=\"/zh/docs/13/catalog-pg-operator.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "summary": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "version": "13", "link_map": {"/zh/docs/13/xoper.html": "/docs/13/xoper.html", "/zh/docs/13/sql-createoperator.html": "/docs/13/sql-createoperator.html", "/zh/docs/13/catalog-pg-operator.html": "/docs/13/catalog-pg-operator.html"}, "body_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>point_distance(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/13/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/13/xoper.html\" rel=\"nofollow\">\u7b2c\u00a037.14\u00a0\u8282</a>\u3002\n  </p><p>\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 <code>oprleft</code> \u4e3a\u96f6\u3002</p><p><a href=\"/zh/docs/13/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "body_sha256": "26b7f890ec51e0da80658a4380cae127cca0d69c709295528361203b554166fb", "content_hash": "8de93261e0d3607d16adf60bdb0687a9c91c806fc50e78f986ca8c1bc9e94e06", "source_database": "center", "source_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "signature": "<->(point,point) \u2192 float8", "tables_zh": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-gist-point_ops/?v=13", "text": "point_ops"}, "method": {"url": "/wiki/indexam/gist/?v=13", "text": "GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-quad_point_ops/?v=13", "text": "quad_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=13", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-kd_point_ops/?v=13", "text": "kd_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=13", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "source_oid": "517", "description": ["\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002"], "memberships": [{"family": "point_ops", "method": "gist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "description": "distance between", "family_slug": "family-gist-point_ops", "result_type": "float8", "sort_family": "float_ops", "operator_slug": "op-3c2d3e-point-point", "sort_family_slug": "family-btree-float_ops"}, {"family": "quad_point_ops", "method": "spgist", "purpose": "ordering", 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kind", "/versions/13/facts/5/label": "Hash join candidate", "/versions/13/facts/5/value": "no", "/versions/13/facts/6/label": "Merge join candidate", "/versions/13/facts/6/value": "no", "/versions/13/tables/0/title": "Declared operator-family membership", "/versions/13/related/0/label": "point data type", "/versions/13/related/1/label": "float8 data type", "/versions/13/related/2/label": "Commutator: <->(point,point)", "/versions/13/related/3/label": "gist/point_ops family", "/versions/13/related/4/label": "spgist/quad_point_ops family", "/versions/13/related/5/label": "spgist/kd_point_ops family", "/versions/13/sections/0/title": "Catalog interpretation", "/versions/13/sections/0/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 37.14 for more information.", "/versions/13/sections/0/paragraphs/1": "Unused columns contain zeroes. For example, oprleft is zero for a prefix operator.", "/versions/13/tables/0/rows/0/purpose": "ordering", "/versions/13/tables/0/rows/1/purpose": "ordering", "/versions/13/tables/0/rows/2/purpose": "ordering", "/versions/13/tables/0/columns/0/label": "Index AM", "/versions/13/tables/0/columns/1/label": "Family", "/versions/13/tables/0/columns/2/label": "Strategy", "/versions/13/tables/0/columns/3/label": "Purpose", "/versions/13/tables/0/columns/4/label": "Ordering family"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "e01dfbd074e677d379b12f2ca7677335277df46410002049cf44499bf1e1f88d", "canonical_center_text_hash": "8de93261e0d3607d16adf60bdb0687a9c91c806fc50e78f986ca8c1bc9e94e06"}, "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "point_distance(point,point)", "hash_join": "f", "left_type": "point", "commutator": "<->(point,point)", 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"<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>point_distance(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/13/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/13/xoper.html\" rel=\"nofollow\">\u7b2c\u00a037.14\u00a0\u8282</a>\u3002\n  </p><p>\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 <code>oprleft</code> \u4e3a\u96f6\u3002</p><p><a href=\"/zh/docs/13/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "14": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": 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"git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:87e6aa4fd6e1ec85c5f4a6de4f5647cfd9e5de734ca2c266d32b6d6192c662ef", "translated_from_revision": null}, "body_sha256": "7bb7798b950b16941fe65c382f574318c70d6c36d73d0585151736f8726c32ac", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 38.14 \u8282 \u3002"]}], "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>point_distance(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code class=\"structname\">pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a class=\"xref\" href=\"/zh/docs/14/sql-createoperator.html\"><span class=\"refentrytitle\">CREATE OPERATOR</span></a> \u548c<a class=\"xref\" href=\"/zh/docs/14/xoper.html\">\u7b2c\u00a038.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/14/catalog-pg-operator.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "summary": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "version": "14", "link_map": {"/zh/docs/14/xoper.html": "/docs/14/xoper.html", "/zh/docs/14/sql-createoperator.html": "/docs/14/sql-createoperator.html", "/zh/docs/14/catalog-pg-operator.html": "/docs/14/catalog-pg-operator.html"}, "body_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>point_distance(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/14/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/14/xoper.html\" rel=\"nofollow\">\u7b2c\u00a038.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/14/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "body_sha256": "f4a2fc83ae4cc71cc648feba4326595aae54996863939cb09fed21ef4a447b70", "content_hash": "afc3c56f097daf3c3ea055f599e51c1d107e9c963026b35d5a11b660c3d2b5ba", "source_database": "center", "source_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "signature": "<->(point,point) \u2192 float8", "tables_zh": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-gist-point_ops/?v=14", "text": "point_ops"}, "method": {"url": "/wiki/indexam/gist/?v=14", "text": "GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-quad_point_ops/?v=14", "text": "quad_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=14", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-kd_point_ops/?v=14", "text": "kd_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=14", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "source_oid": "517", "description": ["\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002"], "memberships": [{"family": "point_ops", "method": "gist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "description": "distance between", "family_slug": "family-gist-point_ops", "result_type": "float8", "sort_family": "float_ops", "operator_slug": "op-3c2d3e-point-point", "sort_family_slug": "family-btree-float_ops"}, {"family": "quad_point_ops", "method": "spgist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "description": "distance between", "family_slug": "family-spgist-quad_point_ops", "result_type": "float8", "sort_family": "float_ops", "operator_slug": "op-3c2d3e-point-point", "sort_family_slug": "family-btree-float_ops"}, {"family": "kd_point_ops", "method": "spgist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "description": "distance between", "family_slug": "family-spgist-kd_point_ops", "result_type": "float8", "sort_family": "float_ops", "operator_slug": "op-3c2d3e-point-point", "sort_family_slug": "family-btree-float_ops"}], "sections_zh": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 38.14 \u8282 \u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/14/catalog-pg-amop.html", "method": "same-major semantic node", "sha256": "2b8fdc15654f6701ab77bdf068a2c3b50cadd8da3bce8f385811b4193b4952b4", "language": "zh", "matched_nodes": ["#CATALOG-PG-AMOP/p[2]/em[2]"]}, {"url": "/docs/14/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "77531e62ed30180fca3990f31ecee43d1a140f3a459c18583e5158aa4b41435a", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}], "language": "zh", "original_text": {"/versions/14/description/0": "distance between", "/versions/14/facts/0/label": "Left operand", "/versions/14/facts/1/label": "Right operand", "/versions/14/facts/2/label": "Result type", "/versions/14/facts/3/label": "Implementing function", "/versions/14/facts/4/label": "Operator kind", "/versions/14/facts/5/label": "Hash join candidate", "/versions/14/facts/5/value": "no", "/versions/14/facts/6/label": "Merge join candidate", "/versions/14/facts/6/value": "no", "/versions/14/tables/0/title": "Declared operator-family membership", "/versions/14/related/0/label": "point data type", "/versions/14/related/1/label": "float8 data type", "/versions/14/related/2/label": "Commutator: <->(point,point)", "/versions/14/related/3/label": "gist/point_ops family", "/versions/14/related/4/label": "spgist/quad_point_ops family", "/versions/14/related/5/label": "spgist/kd_point_ops family", "/versions/14/sections/0/title": "Catalog interpretation", "/versions/14/sections/0/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 38.14 for more information.", "/versions/14/tables/0/rows/0/purpose": "ordering", "/versions/14/tables/0/rows/1/purpose": "ordering", "/versions/14/tables/0/rows/2/purpose": "ordering", "/versions/14/tables/0/columns/0/label": "Index AM", "/versions/14/tables/0/columns/1/label": "Family", "/versions/14/tables/0/columns/2/label": "Strategy", "/versions/14/tables/0/columns/3/label": "Purpose", "/versions/14/tables/0/columns/4/label": "Ordering family"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "3faa20d006ef7cb51a20a732080d05838bbfa2cf0fa98fe6315377e63c035a9b", "canonical_center_text_hash": "afc3c56f097daf3c3ea055f599e51c1d107e9c963026b35d5a11b660c3d2b5ba"}, "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "point_distance(point,point)", "hash_join": "f", "left_type": "point", "commutator": "<->(point,point)", "merge_join": "f", "right_type": "point", "result_type": "float8"}, "memberships": [{"family": "point_ops", "method": "gist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "sort_family": "float_ops"}, {"family": "kd_point_ops", "method": "spgist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "sort_family": "float_ops"}, {"family": "quad_point_ops", "method": "spgist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "sort_family": "float_ops"}]}, "comparison_hash": "bc51c08619268485d83a1a77f5acded28742ae5de8649abea54aa4af889fa3ab", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>point_distance(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/14/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/14/xoper.html\" rel=\"nofollow\">\u7b2c\u00a038.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/14/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "15": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "point_distance(point,point)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-gist-point_ops/?v=15", "text": "point_ops"}, "method": {"url": "/wiki/indexam/gist/?v=15", "text": "GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-quad_point_ops/?v=15", "text": "quad_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=15", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-kd_point_ops/?v=15", "text": "kd_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=15", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "aliases": ["<->", "<->(point,point)"], "related": [{"url": "/wiki/type/point/?v=15", "label": "point \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/float8/?v=15", "label": "float8 \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/operator/op-3c2d3e-point-point/?v=15", "label": "\u4ea4\u6362\u64cd\u4f5c\u7b26\uff1a<->(point,point)"}, {"url": "/wiki/opclass/family-gist-point_ops/?v=15", "label": "gist/point_ops \u5bb6\u65cf"}, {"url": "/wiki/opclass/family-spgist-quad_point_ops/?v=15", "label": "spgist/quad_point_ops \u5bb6\u65cf"}, {"url": "/wiki/opclass/family-spgist-kd_point_ops/?v=15", "label": "spgist/kd_point_ops \u5bb6\u65cf"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v15.19/postgresql-15.19.tar.bz2", "label": "15.19", "major": "15", "channel": "stable", "revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89", "source_sha256": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89", "manual_fingerprint": "f39c61e9facb5b9404c7d6d1cf494d83af0cc46146554a7fc40724eb882d24a9", "catalog_fingerprint": "1c332a5ccec7bfdd8ca19b55a0279b5bd6cb1dd5dcc6c5587a98a491a9b566a5"}, "sources": [{"url": "https://ftp.postgresql.org/pub/source/v15.19/postgresql-15.19.tar.bz2", "label": "Matching PostgreSQL source archive", "sha256": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, {"url": "/docs/15/catalog-pg-operator.html", "path": "catalog-pg-operator.html", "label": "PostgreSQL 15 English manual: catalog-pg-operator.html", "sha256": "3719563ca7bb28791116cb206b9998cd336d09fb4d4cc4a236b6447bcfd5cbb2"}, {"url": "/docs/15/catalog-pg-amop.html", "path": "catalog-pg-amop.html", "label": "PostgreSQL 15 English manual: catalog-pg-amop.html", "sha256": 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\u7b2c 38.14 \u8282 \u3002"]}], "center_zh": {"title": "<->(point,point)", "locale": "zh-Hans", "source": {"key": "op-3c2d3e-point-point", "locale": "zh-Hans", "version": "15", "text_hash": "204f3e4c76ffa8a475fdaaa600cac987550b89d6694b55f6310239f31fefd26a", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "point_distance(point,point)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-gist-point_ops/?v=15", "text": "point_ops"}, "method": {"url": "/wiki/indexam/gist/?v=15", "text": "GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-quad_point_ops/?v=15", "text": "quad_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=15", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-kd_point_ops/?v=15", "text": "kd_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=15", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/15/catalog-pg-operator.html", "anchor": "", "locale": "zh-Hans", "version": "15", "build_id": 101, "page_key": "catalog-pg-operator.html", "extraction": "concept-introduction", "source_hash": "a1fc07fe6e093662a6b5f2123c22d50a3391c76a66fd490de2ff794ffeced3e6", "fragment_sha256": "b1f014c78fe0d847fd64fc707fbf36c38717fb2898f4cc8829d63d01e21f1991", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:6bce1a2df9170cb1146a1411c5547190856638221a6539e618ee1016c9f493ad", "translated_from_revision": null}, "body_sha256": "0bc71221ed024689c3a7761206b2b1f5bcbd5e049b6730995fe522f3cf96938a", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 38.14 \u8282 \u3002"]}], "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>point_distance(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code class=\"structname\">pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a class=\"xref\" href=\"/zh/docs/15/sql-createoperator.html\"><span class=\"refentrytitle\">CREATE OPERATOR</span></a> \u548c<a class=\"xref\" href=\"/zh/docs/15/xoper.html\">\u7b2c\u00a038.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/15/catalog-pg-operator.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "summary": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "version": "15", "link_map": {"/zh/docs/15/xoper.html": "/docs/15/xoper.html", "/zh/docs/15/sql-createoperator.html": "/docs/15/sql-createoperator.html", "/zh/docs/15/catalog-pg-operator.html": "/docs/15/catalog-pg-operator.html"}, "body_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>point_distance(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/15/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/15/xoper.html\" rel=\"nofollow\">\u7b2c\u00a038.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/15/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "body_sha256": "65fc50d74f043b0833fdce13eda32f0d31e48537056e02b8cbfb1a410d26c0b3", "content_hash": "204f3e4c76ffa8a475fdaaa600cac987550b89d6694b55f6310239f31fefd26a", "source_database": "center", "source_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "signature": "<->(point,point) \u2192 float8", "tables_zh": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-gist-point_ops/?v=15", "text": "point_ops"}, "method": {"url": "/wiki/indexam/gist/?v=15", "text": "GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-quad_point_ops/?v=15", "text": "quad_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=15", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-kd_point_ops/?v=15", "text": "kd_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=15", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "source_oid": "517", "description": ["\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002"], "memberships": [{"family": "point_ops", "method": "gist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "description": "distance between", "family_slug": "family-gist-point_ops", "result_type": "float8", "sort_family": "float_ops", "operator_slug": "op-3c2d3e-point-point", "sort_family_slug": "family-btree-float_ops"}, {"family": "quad_point_ops", "method": "spgist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "description": "distance between", "family_slug": "family-spgist-quad_point_ops", "result_type": "float8", "sort_family": "float_ops", "operator_slug": "op-3c2d3e-point-point", "sort_family_slug": "family-btree-float_ops"}, {"family": "kd_point_ops", "method": 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See CREATE OPERATOR and Section 38.14 for more information.", "/versions/15/tables/0/rows/0/purpose": "ordering", "/versions/15/tables/0/rows/1/purpose": "ordering", "/versions/15/tables/0/rows/2/purpose": "ordering", "/versions/15/tables/0/columns/0/label": "Index AM", "/versions/15/tables/0/columns/1/label": "Family", "/versions/15/tables/0/columns/2/label": "Strategy", "/versions/15/tables/0/columns/3/label": "Purpose", "/versions/15/tables/0/columns/4/label": "Ordering family"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "720d41092b3c31aeaeffc0e5166537ee91c178a9ca86bc9c6656858f7dd1818a", "canonical_center_text_hash": "204f3e4c76ffa8a475fdaaa600cac987550b89d6694b55f6310239f31fefd26a"}, "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "point_distance(point,point)", "hash_join": "f", "left_type": "point", "commutator": "<->(point,point)", "merge_join": "f", "right_type": "point", "result_type": "float8"}, "memberships": [{"family": "point_ops", "method": "gist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "sort_family": "float_ops"}, {"family": "kd_point_ops", "method": "spgist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "sort_family": "float_ops"}, {"family": "quad_point_ops", "method": "spgist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "sort_family": "float_ops"}]}, "comparison_hash": "bc51c08619268485d83a1a77f5acded28742ae5de8649abea54aa4af889fa3ab", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>point_distance(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/15/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/15/xoper.html\" rel=\"nofollow\">\u7b2c\u00a038.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/15/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "16": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "point_distance(point,point)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-gist-point_ops/?v=16", "text": "point_ops"}, "method": {"url": "/wiki/indexam/gist/?v=16", "text": "GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-quad_point_ops/?v=16", "text": "quad_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=16", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-kd_point_ops/?v=16", "text": "kd_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=16", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "aliases": ["<->", "<->(point,point)"], "related": [{"url": "/wiki/type/point/?v=16", "label": "point \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/float8/?v=16", "label": "float8 \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/operator/op-3c2d3e-point-point/?v=16", "label": "\u4ea4\u6362\u64cd\u4f5c\u7b26\uff1a<->(point,point)"}, {"url": "/wiki/opclass/family-gist-point_ops/?v=16", "label": "gist/point_ops \u5bb6\u65cf"}, {"url": "/wiki/opclass/family-spgist-quad_point_ops/?v=16", "label": "spgist/quad_point_ops \u5bb6\u65cf"}, {"url": "/wiki/opclass/family-spgist-kd_point_ops/?v=16", "label": "spgist/kd_point_ops \u5bb6\u65cf"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v16.15/postgresql-16.15.tar.bz2", "label": "16.15", "major": "16", "channel": "stable", "revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed", "source_sha256": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed", "manual_fingerprint": "846fb006e9d590387203c1c65f671240bc5c30604c4e3084cf572817aacc19d0", "catalog_fingerprint": "70797d889dd8aeed77ae81092f99ab380e1109b54b0b7ca6fbf400e0a2111a70"}, "sources": [{"url": "https://ftp.postgresql.org/pub/source/v16.15/postgresql-16.15.tar.bz2", "label": "Matching PostgreSQL source archive", "sha256": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, {"url": "/docs/16/catalog-pg-operator.html", "path": "catalog-pg-operator.html", "label": "PostgreSQL 16 English manual: catalog-pg-operator.html", "sha256": "dc789ccf76b6bcbb9b1793858fe700431720a1e70f3261de2b3362ed78040476"}, {"url": "/docs/16/catalog-pg-amop.html", "path": "catalog-pg-amop.html", "label": "PostgreSQL 16 English manual: catalog-pg-amop.html", "sha256": "f580ac4a34d5f9d567834684e0c41b7df32a952e20a2fc11a9ce0964c2df7e9a"}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/16/catalog-pg-operator.html", "anchor": "", "locale": "zh-Hans", "version": "16", "build_id": 103, "page_key": "catalog-pg-operator.html", "extraction": "concept-introduction", "source_hash": "02d95efb1446334fba175d11e01003dfb262f8bcc99eed0895b2bcaf4b96a570", "fragment_sha256": "055859f49565ffd7a868611c7c95093c69a68a5a56fcc59ab7c1c73ddd98eccc", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:80579a071736780f9c4022bb5148e1fb1256f1a33591306af67816e9e9bf3a9b", "translated_from_revision": null}, "body_sha256": "af65f4e7ccaa4458cbca2b1afd132b803bfc4a72e09442f25b3f12baffdd017d", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "point_distance(point,point)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "point_distance(point,point)", "hash_join": "f", "left_type": "point", "commutator": "<->(point,point)", "merge_join": "f", "right_type": "point", "result_type": "float8"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 38.14 \u8282 \u3002"]}], "center_zh": {"title": "<->(point,point)", "locale": "zh-Hans", "source": {"key": "op-3c2d3e-point-point", "locale": "zh-Hans", "version": "16", "text_hash": "3ce3a43ea71de06c997f4d46eb602c135e53980e37a449a3c816e6a8cf79d4cd", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "point_distance(point,point)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-gist-point_ops/?v=16", "text": "point_ops"}, "method": {"url": "/wiki/indexam/gist/?v=16", "text": "GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-quad_point_ops/?v=16", "text": "quad_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=16", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-kd_point_ops/?v=16", "text": "kd_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=16", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/16/catalog-pg-operator.html", "anchor": "", "locale": "zh-Hans", "version": "16", "build_id": 103, "page_key": "catalog-pg-operator.html", "extraction": "concept-introduction", "source_hash": "02d95efb1446334fba175d11e01003dfb262f8bcc99eed0895b2bcaf4b96a570", "fragment_sha256": "055859f49565ffd7a868611c7c95093c69a68a5a56fcc59ab7c1c73ddd98eccc", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:80579a071736780f9c4022bb5148e1fb1256f1a33591306af67816e9e9bf3a9b", "translated_from_revision": null}, "body_sha256": "af65f4e7ccaa4458cbca2b1afd132b803bfc4a72e09442f25b3f12baffdd017d", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 38.14 \u8282 \u3002"]}], "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>point_distance(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code class=\"structname\">pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a class=\"xref\" href=\"/zh/docs/16/sql-createoperator.html\"><span class=\"refentrytitle\">CREATE OPERATOR</span></a> \u548c<a class=\"xref\" href=\"/zh/docs/16/xoper.html\">\u7b2c\u00a038.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/16/catalog-pg-operator.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "summary": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "version": "16", "link_map": {"/zh/docs/16/xoper.html": "/docs/16/xoper.html", "/zh/docs/16/sql-createoperator.html": "/docs/16/sql-createoperator.html", "/zh/docs/16/catalog-pg-operator.html": "/docs/16/catalog-pg-operator.html"}, "body_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>point_distance(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/16/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/16/xoper.html\" rel=\"nofollow\">\u7b2c\u00a038.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/16/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "body_sha256": "9e9052048545d45b8d87da040e0e6b8cf7ff519a3664a01025a6192292afc6c9", "content_hash": "3ce3a43ea71de06c997f4d46eb602c135e53980e37a449a3c816e6a8cf79d4cd", "source_database": "center", "source_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "signature": "<->(point,point) \u2192 float8", "tables_zh": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-gist-point_ops/?v=16", "text": "point_ops"}, "method": {"url": "/wiki/indexam/gist/?v=16", "text": "GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-quad_point_ops/?v=16", "text": "quad_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=16", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-kd_point_ops/?v=16", "text": "kd_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=16", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "source_oid": "517", "description": ["\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002"], "memberships": [{"family": "point_ops", "method": "gist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "description": "distance between", "family_slug": "family-gist-point_ops", "result_type": "float8", "sort_family": "float_ops", "operator_slug": "op-3c2d3e-point-point", "sort_family_slug": "family-btree-float_ops"}, {"family": "quad_point_ops", "method": "spgist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "description": "distance between", "family_slug": "family-spgist-quad_point_ops", "result_type": "float8", "sort_family": "float_ops", "operator_slug": "op-3c2d3e-point-point", "sort_family_slug": "family-btree-float_ops"}, {"family": "kd_point_ops", "method": "spgist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "description": "distance between", "family_slug": "family-spgist-kd_point_ops", "result_type": "float8", "sort_family": "float_ops", "operator_slug": "op-3c2d3e-point-point", "sort_family_slug": "family-btree-float_ops"}], "sections_zh": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 38.14 \u8282 \u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/16/catalog-pg-amop.html", "method": "same-major semantic node", "sha256": "704b1a6817cd451566b69b08f4210b2fb192934810322e22cb9a2980f7d93af4", "language": "zh", "matched_nodes": ["#CATALOG-PG-AMOP/p[2]/em[2]"]}, {"url": "/docs/16/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "ff2395afae4eb19cedbcb0acbd87a844078e82ba0722c2dbe9e7fa0c4c6503d4", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}], "language": "zh", "original_text": {"/versions/16/description/0": "distance between", "/versions/16/facts/0/label": "Left operand", "/versions/16/facts/1/label": "Right operand", "/versions/16/facts/2/label": "Result type", "/versions/16/facts/3/label": "Implementing function", "/versions/16/facts/4/label": "Operator kind", "/versions/16/facts/5/label": "Hash join candidate", "/versions/16/facts/5/value": "no", "/versions/16/facts/6/label": "Merge join candidate", "/versions/16/facts/6/value": "no", "/versions/16/tables/0/title": "Declared operator-family membership", "/versions/16/related/0/label": "point data type", "/versions/16/related/1/label": "float8 data type", "/versions/16/related/2/label": "Commutator: <->(point,point)", "/versions/16/related/3/label": "gist/point_ops family", "/versions/16/related/4/label": "spgist/quad_point_ops family", "/versions/16/related/5/label": "spgist/kd_point_ops family", "/versions/16/sections/0/title": "Catalog interpretation", "/versions/16/sections/0/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 38.14 for more information.", "/versions/16/tables/0/rows/0/purpose": "ordering", "/versions/16/tables/0/rows/1/purpose": "ordering", "/versions/16/tables/0/rows/2/purpose": "ordering", "/versions/16/tables/0/columns/0/label": "Index AM", "/versions/16/tables/0/columns/1/label": "Family", "/versions/16/tables/0/columns/2/label": "Strategy", "/versions/16/tables/0/columns/3/label": "Purpose", "/versions/16/tables/0/columns/4/label": "Ordering family"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "e9531b6c5225d7b915240f358b1e3aea162cc90e0644caeb05143c9bf8b3f13d", "canonical_center_text_hash": "3ce3a43ea71de06c997f4d46eb602c135e53980e37a449a3c816e6a8cf79d4cd"}, "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "point_distance(point,point)", "hash_join": "f", "left_type": "point", "commutator": "<->(point,point)", "merge_join": "f", "right_type": "point", "result_type": "float8"}, "memberships": [{"family": "point_ops", "method": "gist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "sort_family": "float_ops"}, {"family": "kd_point_ops", "method": "spgist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "sort_family": "float_ops"}, {"family": "quad_point_ops", "method": "spgist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "sort_family": "float_ops"}]}, "comparison_hash": "bc51c08619268485d83a1a77f5acded28742ae5de8649abea54aa4af889fa3ab", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>point_distance(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/16/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/16/xoper.html\" rel=\"nofollow\">\u7b2c\u00a038.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/16/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "17": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "point_distance(point,point)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-gist-point_ops/?v=17", "text": "point_ops"}, "method": {"url": "/wiki/indexam/gist/?v=17", "text": "GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-quad_point_ops/?v=17", "text": "quad_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=17", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-kd_point_ops/?v=17", "text": "kd_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=17", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "aliases": ["<->", "<->(point,point)"], "related": [{"url": "/wiki/type/point/?v=17", "label": "point \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/float8/?v=17", "label": "float8 \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/operator/op-3c2d3e-point-point/?v=17", "label": "\u4ea4\u6362\u64cd\u4f5c\u7b26\uff1a<->(point,point)"}, {"url": "/wiki/opclass/family-gist-point_ops/?v=17", "label": "gist/point_ops \u5bb6\u65cf"}, {"url": "/wiki/opclass/family-spgist-quad_point_ops/?v=17", "label": "spgist/quad_point_ops \u5bb6\u65cf"}, {"url": "/wiki/opclass/family-spgist-kd_point_ops/?v=17", "label": "spgist/kd_point_ops \u5bb6\u65cf"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v17.11/postgresql-17.11.tar.bz2", "label": "17.11", "major": "17", "channel": "stable", "revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979", "source_sha256": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979", "manual_fingerprint": "b55870f8e80e1114a92ac7bfc97f4a6fa0dee8e75935895252bb6e5b866cf187", "catalog_fingerprint": "e888e3474202df1c60a8e7b6bf9f2d83b3866a52d119521659b7a82787d3829d"}, "sources": [{"url": "https://ftp.postgresql.org/pub/source/v17.11/postgresql-17.11.tar.bz2", "label": "Matching PostgreSQL source archive", "sha256": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, {"url": "/docs/17/catalog-pg-operator.html", "path": "catalog-pg-operator.html", "label": "PostgreSQL 17 English manual: catalog-pg-operator.html", "sha256": "a66984c4fde91649a9677d33a2e002381cb07e99d72ad0971fa3251741030a69"}, {"url": "/docs/17/catalog-pg-amop.html", "path": "catalog-pg-amop.html", "label": "PostgreSQL 17 English manual: catalog-pg-amop.html", "sha256": "19b2fb110b348860f7fbcb6e0e0544e341f5645113c23f50920a54434d432359"}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/17/catalog-pg-operator.html", "anchor": "", "locale": "zh-Hans", "version": "17", "build_id": 105, "page_key": "catalog-pg-operator.html", "extraction": "concept-introduction", "source_hash": "2f358e71f3538922a368306ead04c18f370466db3a0729918df926f838d2e6f7", "fragment_sha256": "c5f24f30c4fee7eca2fe27964dbfc185e577db8fd73a40d86b92ef931125400b", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:7340767258d21c21b36f373f1fff6bab2be18e0daca13a865129db6105c09efd", "translated_from_revision": null}, "body_sha256": "70deec55994acc519e90e8cbf6fc83ea0f532aa4863bbae628720d142d0e1855", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "point_distance(point,point)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "point_distance(point,point)", "hash_join": "f", "left_type": "point", "commutator": "<->(point,point)", "merge_join": "f", "right_type": "point", "result_type": "float8"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "center_zh": {"title": "<->(point,point)", "locale": "zh-Hans", "source": {"key": "op-3c2d3e-point-point", "locale": "zh-Hans", "version": "17", "text_hash": "f6d4f2e08ebcd82e053b05767ae222e53afb52d40f2d5eb1fa3e9c5a35819bd2", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "point_distance(point,point)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-gist-point_ops/?v=17", "text": "point_ops"}, "method": {"url": "/wiki/indexam/gist/?v=17", "text": "GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-quad_point_ops/?v=17", "text": "quad_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=17", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-kd_point_ops/?v=17", "text": "kd_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=17", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/17/catalog-pg-operator.html", "anchor": "", "locale": "zh-Hans", "version": "17", "build_id": 105, "page_key": "catalog-pg-operator.html", "extraction": "concept-introduction", "source_hash": "2f358e71f3538922a368306ead04c18f370466db3a0729918df926f838d2e6f7", "fragment_sha256": "c5f24f30c4fee7eca2fe27964dbfc185e577db8fd73a40d86b92ef931125400b", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:7340767258d21c21b36f373f1fff6bab2be18e0daca13a865129db6105c09efd", "translated_from_revision": null}, "body_sha256": "70deec55994acc519e90e8cbf6fc83ea0f532aa4863bbae628720d142d0e1855", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>point_distance(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code class=\"structname\">pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a class=\"xref\" href=\"/zh/docs/17/sql-createoperator.html\"><span class=\"refentrytitle\">CREATE OPERATOR</span></a> \u548c<a class=\"xref\" href=\"/zh/docs/17/xoper.html\">\u7b2c\u00a036.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/17/catalog-pg-operator.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "summary": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "version": "17", "link_map": {"/zh/docs/17/xoper.html": "/docs/17/xoper.html", "/zh/docs/17/sql-createoperator.html": "/docs/17/sql-createoperator.html", "/zh/docs/17/catalog-pg-operator.html": "/docs/17/catalog-pg-operator.html"}, "body_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>point_distance(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/17/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/17/xoper.html\" rel=\"nofollow\">\u7b2c\u00a036.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/17/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "body_sha256": "df7faaff6a16648324c90642c0895a315a603026cd5f7371bb838b569f7d7c97", "content_hash": "f6d4f2e08ebcd82e053b05767ae222e53afb52d40f2d5eb1fa3e9c5a35819bd2", "source_database": "center", "source_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "signature": "<->(point,point) \u2192 float8", "tables_zh": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-gist-point_ops/?v=17", "text": "point_ops"}, "method": {"url": "/wiki/indexam/gist/?v=17", "text": "GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-quad_point_ops/?v=17", "text": "quad_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=17", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-kd_point_ops/?v=17", "text": "kd_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=17", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "source_oid": "517", "description": ["\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002"], "memberships": [{"family": "point_ops", "method": "gist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "description": "distance between", "family_slug": "family-gist-point_ops", "result_type": "float8", "sort_family": "float_ops", "operator_slug": "op-3c2d3e-point-point", "sort_family_slug": "family-btree-float_ops"}, {"family": "quad_point_ops", "method": "spgist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "description": "distance between", "family_slug": "family-spgist-quad_point_ops", "result_type": "float8", "sort_family": "float_ops", "operator_slug": "op-3c2d3e-point-point", "sort_family_slug": "family-btree-float_ops"}, {"family": "kd_point_ops", "method": "spgist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "description": "distance between", "family_slug": "family-spgist-kd_point_ops", "result_type": "float8", "sort_family": "float_ops", "operator_slug": "op-3c2d3e-point-point", "sort_family_slug": "family-btree-float_ops"}], "sections_zh": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/17/catalog-pg-amop.html", "method": "same-major semantic node", "sha256": "79658772dd07ff10c4a4a472853e5a9bcba832796f5f9d2c0c77a87da769e5f6", "language": "zh", "matched_nodes": ["#CATALOG-PG-AMOP/p[2]/em[2]"]}, {"url": "/docs/17/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "f83afaba592d4bb686da0579943b49e4c821b3df0a02b82c5fab86e1d168a26e", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}], "language": "zh", "original_text": {"/versions/17/description/0": "distance between", "/versions/17/facts/0/label": "Left operand", "/versions/17/facts/1/label": "Right operand", "/versions/17/facts/2/label": "Result type", "/versions/17/facts/3/label": "Implementing function", "/versions/17/facts/4/label": "Operator kind", "/versions/17/facts/5/label": "Hash join candidate", "/versions/17/facts/5/value": "no", "/versions/17/facts/6/label": "Merge join candidate", "/versions/17/facts/6/value": "no", "/versions/17/tables/0/title": "Declared operator-family membership", "/versions/17/related/0/label": "point data type", "/versions/17/related/1/label": "float8 data type", "/versions/17/related/2/label": "Commutator: <->(point,point)", "/versions/17/related/3/label": "gist/point_ops family", "/versions/17/related/4/label": "spgist/quad_point_ops family", "/versions/17/related/5/label": "spgist/kd_point_ops family", "/versions/17/sections/0/title": "Catalog interpretation", "/versions/17/sections/0/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 36.14 for more information.", "/versions/17/tables/0/rows/0/purpose": "ordering", "/versions/17/tables/0/rows/1/purpose": "ordering", "/versions/17/tables/0/rows/2/purpose": "ordering", "/versions/17/tables/0/columns/0/label": "Index AM", "/versions/17/tables/0/columns/1/label": "Family", "/versions/17/tables/0/columns/2/label": "Strategy", "/versions/17/tables/0/columns/3/label": "Purpose", "/versions/17/tables/0/columns/4/label": "Ordering family"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "c592d1fef797bac789072d0c8913ba1f2706b210d7803de8df85f6aea05a4fee", "canonical_center_text_hash": "f6d4f2e08ebcd82e053b05767ae222e53afb52d40f2d5eb1fa3e9c5a35819bd2"}, "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "point_distance(point,point)", "hash_join": "f", "left_type": "point", "commutator": "<->(point,point)", "merge_join": "f", "right_type": "point", "result_type": "float8"}, "memberships": [{"family": "point_ops", "method": "gist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "sort_family": "float_ops"}, {"family": "kd_point_ops", "method": "spgist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "sort_family": "float_ops"}, {"family": "quad_point_ops", "method": "spgist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "sort_family": "float_ops"}]}, "comparison_hash": "bc51c08619268485d83a1a77f5acded28742ae5de8649abea54aa4af889fa3ab", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>point_distance(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/17/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/17/xoper.html\" rel=\"nofollow\">\u7b2c\u00a036.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/17/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "18": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "point_distance(point,point)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-gist-point_ops/?v=18", "text": "point_ops"}, "method": {"url": "/wiki/indexam/gist/?v=18", "text": "GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-quad_point_ops/?v=18", "text": "quad_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=18", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-kd_point_ops/?v=18", "text": "kd_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=18", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "aliases": ["<->", "<->(point,point)"], "related": [{"url": "/wiki/type/point/?v=18", "label": "point \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/float8/?v=18", "label": "float8 \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/operator/op-3c2d3e-point-point/?v=18", "label": "\u4ea4\u6362\u64cd\u4f5c\u7b26\uff1a<->(point,point)"}, {"url": "/wiki/opclass/family-gist-point_ops/?v=18", "label": "gist/point_ops \u5bb6\u65cf"}, {"url": "/wiki/opclass/family-spgist-quad_point_ops/?v=18", "label": "spgist/quad_point_ops \u5bb6\u65cf"}, {"url": "/wiki/opclass/family-spgist-kd_point_ops/?v=18", "label": "spgist/kd_point_ops \u5bb6\u65cf"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", 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\u7b2c 36.14 \u8282 \u3002"]}], "center_zh": {"title": "<->(point,point)", "locale": "zh-Hans", "source": {"key": "op-3c2d3e-point-point", "locale": "zh-Hans", "version": "18", "text_hash": "9379bc97761e4afb689d6a06d3e0f3fe46cbedecc87f7126345d891c1f2d1f4c", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "point_distance(point,point)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-gist-point_ops/?v=18", "text": "point_ops"}, "method": {"url": "/wiki/indexam/gist/?v=18", "text": "GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-quad_point_ops/?v=18", "text": "quad_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=18", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-kd_point_ops/?v=18", "text": "kd_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=18", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/18/catalog-pg-operator.html", "anchor": "", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "catalog-pg-operator.html", "extraction": "concept-introduction", "source_hash": "866547c7d8dd1d830de6c28cee33e2e3adb45288d1d47be58b03fbfb346e9d08", "fragment_sha256": "81aed42a595595a07ab55430c00e66eb6d05033809e63b1281b205ed73fb5610", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "b4aa49d896c7dd35e4506397c7cd2a615f5a4047cbccb2951aa111424c90063a", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>point_distance(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code class=\"structname\">pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a class=\"xref\" href=\"/zh/docs/18/sql-createoperator.html\"><span class=\"refentrytitle\">CREATE OPERATOR</span></a> \u548c<a class=\"xref\" href=\"/zh/docs/18/xoper.html\">\u7b2c\u00a036.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/18/catalog-pg-operator.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "summary": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "version": "18", "link_map": {"/zh/docs/18/xoper.html": "/docs/18/xoper.html", "/zh/docs/18/sql-createoperator.html": "/docs/18/sql-createoperator.html", "/zh/docs/18/catalog-pg-operator.html": "/docs/18/catalog-pg-operator.html"}, "body_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>point_distance(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/18/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/18/xoper.html\" rel=\"nofollow\">\u7b2c\u00a036.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/18/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "body_sha256": "b27f51dfb785ef7447787366651893e1e534f618c707265e0df557847130f166", "content_hash": "9379bc97761e4afb689d6a06d3e0f3fe46cbedecc87f7126345d891c1f2d1f4c", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "signature": "<->(point,point) \u2192 float8", "tables_zh": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-gist-point_ops/?v=18", "text": "point_ops"}, "method": {"url": "/wiki/indexam/gist/?v=18", "text": "GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-quad_point_ops/?v=18", "text": "quad_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=18", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-kd_point_ops/?v=18", "text": "kd_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=18", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "source_oid": "517", "description": ["\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002"], "memberships": [{"family": "point_ops", "method": "gist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "description": "distance between", "family_slug": "family-gist-point_ops", "result_type": "float8", "sort_family": "float_ops", "operator_slug": "op-3c2d3e-point-point", "sort_family_slug": "family-btree-float_ops"}, {"family": "quad_point_ops", "method": "spgist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "description": "distance between", "family_slug": "family-spgist-quad_point_ops", "result_type": "float8", "sort_family": "float_ops", "operator_slug": "op-3c2d3e-point-point", "sort_family_slug": "family-btree-float_ops"}, {"family": "kd_point_ops", "method": "spgist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "description": "distance between", "family_slug": "family-spgist-kd_point_ops", "result_type": "float8", "sort_family": "float_ops", "operator_slug": "op-3c2d3e-point-point", "sort_family_slug": "family-btree-float_ops"}], "sections_zh": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/18/catalog-pg-amop.html", "method": "same-major semantic node", "sha256": "c46185aa5f574dacd289a0b3876023793406b4cf58dee7eeebb86436d0577bdc", "language": "zh", "matched_nodes": ["#CATALOG-PG-AMOP/p[2]/em[2]"]}, {"url": "/docs/18/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "7cfcd945bbbd55377dea8d4bd57380014caceb4e83c5db3be16c23eb5991d68f", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "distance between", "/versions/18/facts/0/label": "Left operand", "/versions/18/facts/1/label": "Right operand", "/versions/18/facts/2/label": "Result type", "/versions/18/facts/3/label": "Implementing function", "/versions/18/facts/4/label": "Operator kind", "/versions/18/facts/5/label": "Hash join candidate", "/versions/18/facts/5/value": "no", "/versions/18/facts/6/label": "Merge join candidate", "/versions/18/facts/6/value": "no", "/versions/18/tables/0/title": "Declared operator-family membership", "/versions/18/related/0/label": "point data type", "/versions/18/related/1/label": "float8 data type", "/versions/18/related/2/label": "Commutator: <->(point,point)", "/versions/18/related/3/label": "gist/point_ops family", "/versions/18/related/4/label": "spgist/quad_point_ops family", "/versions/18/related/5/label": "spgist/kd_point_ops family", "/versions/18/sections/0/title": "Catalog interpretation", "/versions/18/sections/0/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 36.14 for more information.", "/versions/18/tables/0/rows/0/purpose": "ordering", "/versions/18/tables/0/rows/1/purpose": "ordering", "/versions/18/tables/0/rows/2/purpose": "ordering", "/versions/18/tables/0/columns/0/label": "Index AM", "/versions/18/tables/0/columns/1/label": "Family", "/versions/18/tables/0/columns/2/label": "Strategy", "/versions/18/tables/0/columns/3/label": "Purpose", "/versions/18/tables/0/columns/4/label": "Ordering family"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "2e2bb08eb90be1408adaa195e172c56fdcd9b57d7a3814fe57527edcb02f92cb", "canonical_center_text_hash": "9379bc97761e4afb689d6a06d3e0f3fe46cbedecc87f7126345d891c1f2d1f4c"}, "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "point_distance(point,point)", "hash_join": "f", "left_type": "point", "commutator": "<->(point,point)", "merge_join": "f", "right_type": "point", "result_type": "float8"}, "memberships": [{"family": "point_ops", "method": "gist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "sort_family": "float_ops"}, {"family": "kd_point_ops", "method": "spgist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "sort_family": "float_ops"}, {"family": "quad_point_ops", "method": "spgist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "sort_family": "float_ops"}]}, "comparison_hash": "bc51c08619268485d83a1a77f5acded28742ae5de8649abea54aa4af889fa3ab", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>point_distance(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/18/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/18/xoper.html\" rel=\"nofollow\">\u7b2c\u00a036.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/18/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "center_zh_rendered": 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href=\"/docs/18/xoper.html\">\u7b2c\u00a036.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/docs/18/catalog-pg-operator.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "19": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "point_distance(point,point)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": 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"71cbd0144bc55b862061fea5c6d99221814a7bd199b659de1f5dc4b753491e1a", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>point_distance(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code class=\"structname\">pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a class=\"xref\" href=\"/zh/docs/19/sql-createoperator.html\"><span class=\"refentrytitle\">CREATE OPERATOR</span></a> \u548c<a class=\"xref\" href=\"/zh/docs/19/xoper.html\">\u7b2c\u00a036.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/19/catalog-pg-operator.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "summary": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "version": "19", "link_map": {"/zh/docs/19/xoper.html": "/docs/19/xoper.html", "/zh/docs/19/sql-createoperator.html": "/docs/19/sql-createoperator.html", "/zh/docs/19/catalog-pg-operator.html": "/docs/19/catalog-pg-operator.html"}, "body_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>point_distance(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/19/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/19/xoper.html\" rel=\"nofollow\">\u7b2c\u00a036.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/19/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "body_sha256": "64f5183b93d8e58f3ad609f3e86c317322be4e83345d44487d1e2d7b97eaa8cc", "content_hash": "b2e3c012bf2f7b78b1da37363944a80e5ea5de59bb0b8cd29e524b9ba6749e4d", "source_database": "center", "source_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "signature": "<->(point,point) \u2192 float8", "tables_zh": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-gist-point_ops/?v=19", "text": "point_ops"}, "method": {"url": "/wiki/indexam/gist/?v=19", "text": "GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-quad_point_ops/?v=19", "text": "quad_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=19", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-kd_point_ops/?v=19", "text": "kd_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=19", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "source_oid": "517", "description": ["\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002"], "memberships": [{"family": "point_ops", "method": "gist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "description": "distance between", "family_slug": "family-gist-point_ops", "result_type": "float8", "sort_family": "float_ops", "operator_slug": "op-3c2d3e-point-point", "sort_family_slug": "family-btree-float_ops"}, {"family": "quad_point_ops", "method": "spgist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "description": "distance between", "family_slug": "family-spgist-quad_point_ops", "result_type": "float8", "sort_family": "float_ops", "operator_slug": "op-3c2d3e-point-point", "sort_family_slug": "family-btree-float_ops"}, {"family": "kd_point_ops", "method": "spgist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "description": "distance between", "family_slug": "family-spgist-kd_point_ops", "result_type": "float8", "sort_family": "float_ops", "operator_slug": "op-3c2d3e-point-point", "sort_family_slug": "family-btree-float_ops"}], "sections_zh": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/19/catalog-pg-amop.html", "method": "same-major semantic node", "sha256": "8685135a1f22b71dfcd182e77ed97d14ceb21f011d1b58b2b168130423c68d5c", "language": "zh", "matched_nodes": ["#CATALOG-PG-AMOP/p[2]/em[2]"]}, {"url": "/docs/19/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "9debafecc544409918e14c4ab4498c5b52d41808968dccb8a5874794ef8e4ac1", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}], "language": "zh", "original_text": {"/versions/19/description/0": "distance between", "/versions/19/facts/0/label": "Left operand", "/versions/19/facts/1/label": "Right operand", "/versions/19/facts/2/label": "Result type", "/versions/19/facts/3/label": "Implementing function", "/versions/19/facts/4/label": "Operator kind", "/versions/19/facts/5/label": "Hash join candidate", "/versions/19/facts/5/value": "no", "/versions/19/facts/6/label": "Merge join candidate", "/versions/19/facts/6/value": "no", "/versions/19/tables/0/title": "Declared operator-family membership", "/versions/19/related/0/label": "point data type", "/versions/19/related/1/label": "float8 data type", "/versions/19/related/2/label": "Commutator: <->(point,point)", "/versions/19/related/3/label": "gist/point_ops family", "/versions/19/related/4/label": "spgist/quad_point_ops family", "/versions/19/related/5/label": "spgist/kd_point_ops family", "/versions/19/sections/0/title": "Catalog interpretation", "/versions/19/sections/0/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 36.14 for more information.", "/versions/19/tables/0/rows/0/purpose": "ordering", "/versions/19/tables/0/rows/1/purpose": "ordering", "/versions/19/tables/0/rows/2/purpose": "ordering", "/versions/19/tables/0/columns/0/label": "Index AM", "/versions/19/tables/0/columns/1/label": "Family", "/versions/19/tables/0/columns/2/label": "Strategy", "/versions/19/tables/0/columns/3/label": "Purpose", "/versions/19/tables/0/columns/4/label": "Ordering family"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "9723b9e98daea4f612d1bc793bf500ed977d79744fa5912954c9c97c6aa40d7f", "canonical_center_text_hash": "b2e3c012bf2f7b78b1da37363944a80e5ea5de59bb0b8cd29e524b9ba6749e4d"}, "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "point_distance(point,point)", "hash_join": "f", "left_type": "point", "commutator": "<->(point,point)", "merge_join": "f", "right_type": "point", "result_type": "float8"}, "memberships": [{"family": "point_ops", "method": "gist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "sort_family": "float_ops"}, {"family": "kd_point_ops", "method": "spgist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "sort_family": "float_ops"}, {"family": "quad_point_ops", "method": "spgist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "sort_family": "float_ops"}]}, "comparison_hash": "bc51c08619268485d83a1a77f5acded28742ae5de8649abea54aa4af889fa3ab", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>point_distance(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/19/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/19/xoper.html\" rel=\"nofollow\">\u7b2c\u00a036.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/19/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "source_revalidation": {"kind": "static-same-version-source-and-manual-replay", "audit": "wiki-audit-20261023", "runtime_rerun": false, "compared_fields": "entity membership and source-derived facts; presentation markup normalized", "source_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701", "previous_source_revision": "83157ee9c599d03b2f7a3d73ef3a56ec24e0e79cc2b3501a64d1364f56398c86"}}, "20": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "point_distance(point,point)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-gist-point_ops/?v=20", "text": "point_ops"}, "method": {"url": "/wiki/indexam/gist/?v=20", "text": "GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-quad_point_ops/?v=20", "text": "quad_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=20", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-kd_point_ops/?v=20", "text": "kd_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=20", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "aliases": ["<->", "<->(point,point)"], "related": [{"url": "/wiki/type/point/?v=20", "label": "point \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/float8/?v=20", "label": "float8 \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/operator/op-3c2d3e-point-point/?v=20", "label": "\u4ea4\u6362\u64cd\u4f5c\u7b26\uff1a<->(point,point)"}, {"url": "/wiki/opclass/family-gist-point_ops/?v=20", "label": "gist/point_ops \u5bb6\u65cf"}, {"url": "/wiki/opclass/family-spgist-quad_point_ops/?v=20", "label": "spgist/quad_point_ops \u5bb6\u65cf"}, {"url": "/wiki/opclass/family-spgist-kd_point_ops/?v=20", "label": "spgist/kd_point_ops \u5bb6\u65cf"}], "release": {"ref": "https://ftp.postgresql.org/pub/snapshot/dev/postgresql-snapshot.tar.bz2", "label": "20devel", "major": "20", "channel": "devel", "revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "source_sha256": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "manual_fingerprint": "4afd3a8e29953000e176877e161458a2febaeaac5a5e16986595d3acc2418c7d", "catalog_fingerprint": "e519e6916a731ce8fb9bca3edb12410227f73e01ccd43fb6f5fb98276f08985f"}, "sources": [{"url": "https://ftp.postgresql.org/pub/snapshot/dev/postgresql-snapshot.tar.bz2", "label": "Matching PostgreSQL source 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"7d18837da9869c432f4fff0d59ca7f8694167876d0be212e9e11d74ab80a3d2e", "source_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:98c980963b401d40bd50df72b909e7523e3148b8fdb48edd897de2efb67e5235", "translated_from_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "body_sha256": "f5e61fed6d9349e77adf78330b93dd43dcf3de05ace5c05e75bf117685b930e4", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "point_distance(point,point)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "point_distance(point,point)", "hash_join": "f", "left_type": "point", "commutator": "<->(point,point)", "merge_join": "f", "right_type": "point", "result_type": "float8"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "center_zh": {"title": "<->(point,point)", "locale": "zh-Hans", "source": {"key": "op-3c2d3e-point-point", "locale": "zh-Hans", "version": "20", "text_hash": "120496b20d358ebeed6beef41977af652d79df0fd12ffd865a4a33fbccc491ef", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "point_distance(point,point)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-gist-point_ops/?v=20", "text": "point_ops"}, "method": {"url": "/wiki/indexam/gist/?v=20", "text": "GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-quad_point_ops/?v=20", "text": "quad_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=20", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-kd_point_ops/?v=20", "text": "kd_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=20", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/devel/catalog-pg-operator.html", "anchor": "", "locale": "zh-Hans", "version": "20", "build_id": 111, "page_key": "catalog-pg-operator.html", "extraction": "concept-introduction", "source_hash": "9847268500c83015e677b19f0521e21dc09c8419c540f626cd33eb82b0d0a3a6", "fragment_sha256": "7d18837da9869c432f4fff0d59ca7f8694167876d0be212e9e11d74ab80a3d2e", "source_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:98c980963b401d40bd50df72b909e7523e3148b8fdb48edd897de2efb67e5235", "translated_from_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "body_sha256": "f5e61fed6d9349e77adf78330b93dd43dcf3de05ace5c05e75bf117685b930e4", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>point_distance(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code class=\"structname\">pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a class=\"xref\" href=\"/zh/docs/devel/sql-createoperator.html\"><span class=\"refentrytitle\">CREATE OPERATOR</span></a> \u548c<a class=\"xref\" href=\"/zh/docs/devel/xoper.html\">\u7b2c\u00a036.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/devel/catalog-pg-operator.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "summary": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "version": "20", "link_map": {"/zh/docs/devel/xoper.html": "/docs/devel/xoper.html", "/zh/docs/devel/sql-createoperator.html": "/docs/devel/sql-createoperator.html", "/zh/docs/devel/catalog-pg-operator.html": "/docs/devel/catalog-pg-operator.html"}, "body_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>point_distance(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/devel/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/devel/xoper.html\" rel=\"nofollow\">\u7b2c\u00a036.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/devel/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "body_sha256": "013d4bc6ddbffcc5a4e268a32212f55af6a3182ab6e6219c0bb1bad45e9eb17d", "content_hash": "120496b20d358ebeed6beef41977af652d79df0fd12ffd865a4a33fbccc491ef", "source_database": "center", "source_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "signature": "<->(point,point) \u2192 float8", "tables_zh": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-gist-point_ops/?v=20", "text": "point_ops"}, "method": {"url": "/wiki/indexam/gist/?v=20", "text": "GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-quad_point_ops/?v=20", "text": "quad_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=20", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-kd_point_ops/?v=20", "text": "kd_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=20", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}], "title": 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"right_type": "point", "description": "distance between", "family_slug": "family-spgist-quad_point_ops", "result_type": "float8", "sort_family": "float_ops", "operator_slug": "op-3c2d3e-point-point", "sort_family_slug": "family-btree-float_ops"}, {"family": "kd_point_ops", "method": "spgist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "description": "distance between", "family_slug": "family-spgist-kd_point_ops", "result_type": "float8", "sort_family": "float_ops", "operator_slug": "op-3c2d3e-point-point", "sort_family_slug": "family-btree-float_ops"}], "sections_zh": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/devel/catalog-pg-amop.html", "method": "same-major semantic node", "sha256": "e899b3d8b206f52e8dc0ac4b6019e55022abcf901a9d6cf93edf588bc4354664", "language": "zh", "matched_nodes": ["#CATALOG-PG-AMOP/p[2]/em[2]"]}, {"url": "/docs/devel/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "573e7b9d66caef244b2c03df37b3c4b39b92c1b0e7f32fa8bd3e09d17d5591be", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}], "language": "zh", "original_text": {"/summary": "distance between", "/category": "Geometric", "/versions/20/description/0": "distance between", "/versions/20/facts/0/label": "Left operand", "/versions/20/facts/1/label": "Right operand", "/versions/20/facts/2/label": "Result type", "/versions/20/facts/3/label": "Implementing function", "/versions/20/facts/4/label": "Operator kind", "/versions/20/facts/5/label": "Hash join candidate", "/versions/20/facts/5/value": "no", "/versions/20/facts/6/label": "Merge join candidate", "/versions/20/facts/6/value": "no", "/versions/20/tables/0/title": "Declared operator-family membership", "/versions/20/related/0/label": "point data type", "/versions/20/related/1/label": "float8 data type", "/versions/20/related/2/label": "Commutator: <->(point,point)", "/versions/20/related/3/label": "gist/point_ops family", "/versions/20/related/4/label": "spgist/quad_point_ops family", "/versions/20/related/5/label": "spgist/kd_point_ops family", "/versions/20/sections/0/title": "Catalog interpretation", "/versions/20/sections/0/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 36.14 for more information.", "/versions/20/tables/0/rows/0/purpose": "ordering", "/versions/20/tables/0/rows/1/purpose": "ordering", "/versions/20/tables/0/rows/2/purpose": "ordering", "/versions/20/tables/0/columns/0/label": "Index AM", "/versions/20/tables/0/columns/1/label": "Family", "/versions/20/tables/0/columns/2/label": "Strategy", "/versions/20/tables/0/columns/3/label": "Purpose", "/versions/20/tables/0/columns/4/label": "Ordering family"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "17afeabfd3d8ba073ac829696053d25302e0aa8ef8d88e9cf55b28fc388eeec5", "canonical_center_text_hash": "120496b20d358ebeed6beef41977af652d79df0fd12ffd865a4a33fbccc491ef"}, "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "point_distance(point,point)", "hash_join": "f", "left_type": "point", "commutator": "<->(point,point)", "merge_join": "f", "right_type": "point", "result_type": "float8"}, "memberships": [{"family": "point_ops", "method": "gist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "sort_family": "float_ops"}, {"family": "kd_point_ops", "method": "spgist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "sort_family": "float_ops"}, {"family": "quad_point_ops", "method": "spgist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "sort_family": "float_ops"}]}, "comparison_hash": "bc51c08619268485d83a1a77f5acded28742ae5de8649abea54aa4af889fa3ab", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>point_distance(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/devel/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/devel/xoper.html\" rel=\"nofollow\">\u7b2c\u00a036.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/devel/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "source_revalidation": {"kind": "static-same-version-source-and-manual-replay", "audit": "wiki-audit-20261023", "runtime_rerun": false, "compared_fields": "entity membership and source-derived facts; presentation markup normalized", "source_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "previous_source_revision": "4d3346909b201ac1648232cf290462a7070c119326f56196f1f0253ed80fae41"}}}}, "snapshot": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "point_distance(point,point)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-gist-point_ops/?v=18", "text": "point_ops"}, "method": {"url": "/wiki/indexam/gist/?v=18", "text": "GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-quad_point_ops/?v=18", "text": "quad_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=18", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-kd_point_ops/?v=18", "text": "kd_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=18", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "aliases": ["<->", "<->(point,point)"], "related": [{"url": "/wiki/type/point/?v=18", "label": "point \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/float8/?v=18", "label": "float8 \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/operator/op-3c2d3e-point-point/?v=18", "label": "\u4ea4\u6362\u64cd\u4f5c\u7b26\uff1a<->(point,point)"}, {"url": "/wiki/opclass/family-gist-point_ops/?v=18", "label": "gist/point_ops \u5bb6\u65cf"}, {"url": "/wiki/opclass/family-spgist-quad_point_ops/?v=18", "label": "spgist/quad_point_ops \u5bb6\u65cf"}, {"url": "/wiki/opclass/family-spgist-kd_point_ops/?v=18", "label": "spgist/kd_point_ops \u5bb6\u65cf"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "label": "18.6", "major": "18", "channel": "stable", "revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f", "source_sha256": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f", "manual_fingerprint": "fefce9e478eb2afe5e17e869492bbedc67dce23d317f0a5257240113d6496ebc", "catalog_fingerprint": "deec62e0f0c649d9d0d058ddd0b16bf41afffd569c3fd73949ff0971ce5cabd6"}, "sources": [{"url": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "label": "Matching PostgreSQL source archive", "sha256": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, {"url": "/docs/18/catalog-pg-operator.html", "path": "catalog-pg-operator.html", "label": "PostgreSQL 18 English manual: catalog-pg-operator.html", "sha256": "e0b1817914e5e8f9037955cd41e9a43584e9227fcc115784898ecdd9a6c0ecd6"}, {"url": "/docs/18/catalog-pg-amop.html", "path": "catalog-pg-amop.html", "label": "PostgreSQL 18 English manual: catalog-pg-amop.html", "sha256": "e65b90ee78eaf4b4da97ce5b08b972cee2e2660b882ec107be22eca47201f7d1"}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/18/catalog-pg-operator.html", "anchor": "", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "catalog-pg-operator.html", "extraction": "concept-introduction", "source_hash": "866547c7d8dd1d830de6c28cee33e2e3adb45288d1d47be58b03fbfb346e9d08", "fragment_sha256": "81aed42a595595a07ab55430c00e66eb6d05033809e63b1281b205ed73fb5610", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "b4aa49d896c7dd35e4506397c7cd2a615f5a4047cbccb2951aa111424c90063a", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "point_distance(point,point)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "point_distance(point,point)", "hash_join": "f", "left_type": "point", "commutator": "<->(point,point)", "merge_join": "f", "right_type": "point", "result_type": "float8"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "center_zh": {"title": "<->(point,point)", "locale": "zh-Hans", "source": {"key": "op-3c2d3e-point-point", "locale": "zh-Hans", "version": "18", "text_hash": "9379bc97761e4afb689d6a06d3e0f3fe46cbedecc87f7126345d891c1f2d1f4c", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "point"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "point_distance(point,point)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-gist-point_ops/?v=18", "text": "point_ops"}, "method": {"url": "/wiki/indexam/gist/?v=18", "text": "GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-quad_point_ops/?v=18", "text": "quad_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=18", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-kd_point_ops/?v=18", "text": "kd_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=18", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/18/catalog-pg-operator.html", "anchor": "", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "catalog-pg-operator.html", "extraction": "concept-introduction", "source_hash": "866547c7d8dd1d830de6c28cee33e2e3adb45288d1d47be58b03fbfb346e9d08", "fragment_sha256": "81aed42a595595a07ab55430c00e66eb6d05033809e63b1281b205ed73fb5610", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "b4aa49d896c7dd35e4506397c7cd2a615f5a4047cbccb2951aa111424c90063a", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>point_distance(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code class=\"structname\">pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a class=\"xref\" href=\"/zh/docs/18/sql-createoperator.html\"><span class=\"refentrytitle\">CREATE OPERATOR</span></a> \u548c<a class=\"xref\" href=\"/zh/docs/18/xoper.html\">\u7b2c\u00a036.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/18/catalog-pg-operator.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "summary": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "version": "18", "link_map": {"/zh/docs/18/xoper.html": "/docs/18/xoper.html", "/zh/docs/18/sql-createoperator.html": "/docs/18/sql-createoperator.html", "/zh/docs/18/catalog-pg-operator.html": "/docs/18/catalog-pg-operator.html"}, "body_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>point_distance(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/18/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/18/xoper.html\" rel=\"nofollow\">\u7b2c\u00a036.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/18/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "body_sha256": "b27f51dfb785ef7447787366651893e1e534f618c707265e0df557847130f166", "content_hash": "9379bc97761e4afb689d6a06d3e0f3fe46cbedecc87f7126345d891c1f2d1f4c", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "signature": "<->(point,point) \u2192 float8", "tables_zh": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-gist-point_ops/?v=18", "text": "point_ops"}, "method": {"url": "/wiki/indexam/gist/?v=18", "text": "GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-quad_point_ops/?v=18", "text": "quad_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=18", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}, {"family": {"url": "/wiki/opclass/family-spgist-kd_point_ops/?v=18", "text": "kd_point_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=18", "text": "SP-GiST"}, "purpose": "\u6392\u5e8f", "strategy": "15", "sort_family": "float_ops"}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "source_oid": "517", "description": ["\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002"], "memberships": [{"family": "point_ops", "method": "gist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "description": "distance between", "family_slug": "family-gist-point_ops", "result_type": "float8", "sort_family": "float_ops", "operator_slug": "op-3c2d3e-point-point", "sort_family_slug": "family-btree-float_ops"}, {"family": "quad_point_ops", "method": "spgist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "description": "distance between", "family_slug": "family-spgist-quad_point_ops", "result_type": "float8", "sort_family": "float_ops", "operator_slug": "op-3c2d3e-point-point", "sort_family_slug": "family-btree-float_ops"}, {"family": "kd_point_ops", "method": "spgist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "description": "distance between", "family_slug": "family-spgist-kd_point_ops", "result_type": "float8", "sort_family": "float_ops", "operator_slug": "op-3c2d3e-point-point", "sort_family_slug": "family-btree-float_ops"}], "sections_zh": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/18/catalog-pg-amop.html", "method": "same-major semantic node", "sha256": "c46185aa5f574dacd289a0b3876023793406b4cf58dee7eeebb86436d0577bdc", "language": "zh", "matched_nodes": ["#CATALOG-PG-AMOP/p[2]/em[2]"]}, {"url": "/docs/18/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "7cfcd945bbbd55377dea8d4bd57380014caceb4e83c5db3be16c23eb5991d68f", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "distance between", "/versions/18/facts/0/label": "Left operand", "/versions/18/facts/1/label": "Right operand", "/versions/18/facts/2/label": "Result type", "/versions/18/facts/3/label": "Implementing function", "/versions/18/facts/4/label": "Operator kind", "/versions/18/facts/5/label": "Hash join candidate", "/versions/18/facts/5/value": "no", "/versions/18/facts/6/label": "Merge join candidate", "/versions/18/facts/6/value": "no", "/versions/18/tables/0/title": "Declared operator-family membership", "/versions/18/related/0/label": "point data type", "/versions/18/related/1/label": "float8 data type", "/versions/18/related/2/label": "Commutator: <->(point,point)", "/versions/18/related/3/label": "gist/point_ops family", "/versions/18/related/4/label": "spgist/quad_point_ops family", "/versions/18/related/5/label": "spgist/kd_point_ops family", "/versions/18/sections/0/title": "Catalog interpretation", "/versions/18/sections/0/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 36.14 for more information.", "/versions/18/tables/0/rows/0/purpose": "ordering", "/versions/18/tables/0/rows/1/purpose": "ordering", "/versions/18/tables/0/rows/2/purpose": "ordering", "/versions/18/tables/0/columns/0/label": "Index AM", "/versions/18/tables/0/columns/1/label": "Family", "/versions/18/tables/0/columns/2/label": "Strategy", "/versions/18/tables/0/columns/3/label": "Purpose", "/versions/18/tables/0/columns/4/label": "Ordering family"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "2e2bb08eb90be1408adaa195e172c56fdcd9b57d7a3814fe57527edcb02f92cb", "canonical_center_text_hash": "9379bc97761e4afb689d6a06d3e0f3fe46cbedecc87f7126345d891c1f2d1f4c"}, "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "point_distance(point,point)", "hash_join": "f", "left_type": "point", "commutator": "<->(point,point)", "merge_join": "f", "right_type": "point", "result_type": "float8"}, "memberships": [{"family": "point_ops", "method": "gist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "sort_family": "float_ops"}, {"family": "kd_point_ops", "method": "spgist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "sort_family": "float_ops"}, {"family": "quad_point_ops", "method": "spgist", "purpose": "ordering", "operator": "<->(point,point)", "strategy": "15", "left_type": "point", "right_type": "point", "sort_family": "float_ops"}]}, "comparison_hash": "bc51c08619268485d83a1a77f5acded28742ae5de8649abea54aa4af889fa3ab", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>point_distance(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/18/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/18/xoper.html\" rel=\"nofollow\">\u7b2c\u00a036.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/18/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "center_zh_rendered": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>point_distance(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(point,point)</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>point</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/docs/18/sql-createoperator.html\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/docs/18/xoper.html\">\u7b2c\u00a036.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/docs/18/catalog-pg-operator.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "comparison": {"left": "17", "right": "18", "status": "unchanged", "diff": ""}}