{"kind": "operator", "major": "18", "item": {"slug": "op-3c3d-int8-int8", "name": "<=(int8,int8)", "name_zh": "", "category": "\u6570\u503c", "summary": "\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002", "aliases": ["<=", "<=(int8,int8)"], "content_hash": "257c4816bc8c89bb189aefa510ddc2587f99ded35dda55a94535222ecd952d7e", "versions": {"10": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "int8le(int8,int8)"}, {"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-btree-integer_ops/?v=10", "text": "integer_ops"}, "method": {"url": "/wiki/indexam/btree/?v=10", "text": "B-tree"}, 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"source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:62997ea80516ad012fbf6359de33f3b016b54c47e2df76e75606116b4baaf8e5", "translated_from_revision": null}, "body_sha256": "5e0061598828746deec38a0aa35cbe578b5b8eac54e0ad3b8f1d80188ca35244", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "int8le(int8,int8)"}, {"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": ">(int8,int8)", "function": "int8le(int8,int8)", "hash_join": "f", "left_type": "int8", "commutator": ">=(int8,int8)", "merge_join": "f", "right_type": "int8", "result_type": "bool"}, "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": "<=(int8,int8)", "locale": "zh-Hans", "source": {"key": "op-3c3d-int8-int8", "locale": "zh-Hans", "version": "10", "text_hash": "414ce4d3fb55f5d5b7b3670899bf2ed9d84c875ed2c3ed93135084d8b8738503", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "int8le(int8,int8)"}, {"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-btree-integer_ops/?v=10", "text": "integer_ops"}, "method": {"url": "/wiki/indexam/btree/?v=10", "text": "B-tree"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_ops/?v=10", "text": "integer_minmax_ops"}, "method": {"url": "/wiki/indexam/brin/?v=10", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}], "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": "5e0061598828746deec38a0aa35cbe578b5b8eac54e0ad3b8f1d80188ca35244", "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": "\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002", "description_zh_html": "<p>\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;=</code></dd><dt>\u5426\u5b9a\u8fd0\u7b97\u7b26</dt><dd><code>&gt;(int8,int8)</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>int8le(int8,int8)</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>int8</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&gt;=(int8,int8)</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>int8</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bool</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": "\u5c0f\u4e8e\u6216\u7b49\u4e8e\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>\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;=</code></dd><dt>\u5426\u5b9a\u8fd0\u7b97\u7b26</dt><dd><code>&gt;(int8,int8)</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>int8le(int8,int8)</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>int8</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&gt;=(int8,int8)</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>int8</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bool</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": 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"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": "414", "description": ["\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002"], "memberships": [{"family": "integer_ops", "method": "btree", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "description": "less than or equal", "family_slug": "family-btree-integer_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-3c3d-int8-int8", "sort_family_slug": ""}, {"family": "integer_minmax_ops", "method": "brin", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "description": "less than or equal", "family_slug": "family-brin-integer_minmax_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-3c3d-int8-int8", "sort_family_slug": ""}], "sections_zh": 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"/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": "int8 data type", "/versions/10/related/1/label": "bool data type", "/versions/10/related/2/label": "Commutator: >=(int8,int8)", "/versions/10/related/3/label": "Negator: >(int8,int8)", "/versions/10/related/4/label": "btree/integer_ops family", "/versions/10/related/5/label": "brin/integer_minmax_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": "search", "/versions/10/tables/0/rows/1/purpose": "search", "/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": "14b146e386bf45f51f07635e89536a2986f3573685a8ab66b040c9fe1c4adc9b", "canonical_center_text_hash": "414ce4d3fb55f5d5b7b3670899bf2ed9d84c875ed2c3ed93135084d8b8738503"}, "description_zh": "\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<=", "negator": ">(int8,int8)", "function": "int8le(int8,int8)", "hash_join": "f", "left_type": "int8", "commutator": ">=(int8,int8)", "merge_join": "f", "right_type": "int8", "result_type": "bool"}, "memberships": [{"family": "integer_minmax_ops", "method": "brin", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "sort_family": ""}, {"family": "integer_ops", "method": "btree", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "sort_family": ""}]}, "comparison_hash": "727985fb39401d808e9a2dbdd1f590831c1e7b3992514c97da8b2011fbae42d2", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "<p>\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;=</code></dd><dt>\u5426\u5b9a\u8fd0\u7b97\u7b26</dt><dd><code>&gt;(int8,int8)</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>int8le(int8,int8)</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>int8</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&gt;=(int8,int8)</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>int8</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bool</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": "int8"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": 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{"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "aliases": ["<=", "<=(int8,int8)"], "related": [{"url": "/wiki/type/int8/?v=11", "label": "int8 \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/bool/?v=11", "label": "bool \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/operator/op-3e3d-int8-int8/?v=11", "label": "\u4ea4\u6362\u64cd\u4f5c\u7b26\uff1a>=(int8,int8)"}, {"url": "/wiki/operator/op-3e-int8-int8/?v=11", "label": "\u53d6\u53cd\u64cd\u4f5c\u7b26\uff1a>(int8,int8)"}, {"url": "/wiki/opclass/family-btree-integer_ops/?v=11", "label": "btree/integer_ops \u5bb6\u65cf"}, {"url": "/wiki/opclass/family-brin-integer_minmax_ops/?v=11", "label": "brin/integer_minmax_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": 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"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": "db47715e9fc7be0321dd18d54b413064d446609e9be530923e231fe44fba93dd", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "int8le(int8,int8)"}, {"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": ">(int8,int8)", "function": "int8le(int8,int8)", "hash_join": "f", "left_type": "int8", "commutator": ">=(int8,int8)", "merge_join": "f", "right_type": "int8", "result_type": "bool"}, "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": "<=(int8,int8)", "locale": "zh-Hans", "source": {"key": "op-3c3d-int8-int8", "locale": "zh-Hans", "version": "11", "text_hash": "d91fab12ff18676ba6efa8895c88ee9373b562c1b5f54fc625094ca42bcbc868", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "int8le(int8,int8)"}, {"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-btree-integer_ops/?v=11", "text": "integer_ops"}, "method": {"url": "/wiki/indexam/btree/?v=11", "text": "B-tree"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_ops/?v=11", "text": "integer_minmax_ops"}, "method": {"url": "/wiki/indexam/brin/?v=11", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}], "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", 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\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": "\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002", "description_zh_html": "<p>\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;=</code></dd><dt>\u5426\u5b9a\u8fd0\u7b97\u7b26</dt><dd><code>&gt;(int8,int8)</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>int8le(int8,int8)</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>int8</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&gt;=(int8,int8)</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>int8</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bool</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": "\u5c0f\u4e8e\u6216\u7b49\u4e8e\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>\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;=</code></dd><dt>\u5426\u5b9a\u8fd0\u7b97\u7b26</dt><dd><code>&gt;(int8,int8)</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>int8le(int8,int8)</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>int8</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&gt;=(int8,int8)</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>int8</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bool</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": "a66a499ee76deec28c51631ee0a6e447f7dbdc880d143e28157a16634713b860", "content_hash": "d91fab12ff18676ba6efa8895c88ee9373b562c1b5f54fc625094ca42bcbc868", "source_database": "center", "source_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "signature": "<=(int8,int8) \u2192 bool", "tables_zh": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-btree-integer_ops/?v=11", "text": "integer_ops"}, "method": {"url": "/wiki/indexam/btree/?v=11", "text": "B-tree"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_ops/?v=11", "text": "integer_minmax_ops"}, "method": {"url": "/wiki/indexam/brin/?v=11", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}], "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": "414", "description": ["\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002"], "memberships": [{"family": "integer_ops", "method": "btree", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "description": "less than or equal", "family_slug": "family-btree-integer_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-3c3d-int8-int8", "sort_family_slug": ""}, {"family": "integer_minmax_ops", "method": "brin", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "description": "less than or equal", "family_slug": "family-brin-integer_minmax_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-3c3d-int8-int8", "sort_family_slug": ""}], 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equal", "/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": "int8 data type", "/versions/11/related/1/label": "bool data type", "/versions/11/related/2/label": "Commutator: >=(int8,int8)", "/versions/11/related/3/label": "Negator: >(int8,int8)", "/versions/11/related/4/label": "btree/integer_ops family", "/versions/11/related/5/label": "brin/integer_minmax_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": "search", "/versions/11/tables/0/rows/1/purpose": "search", "/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": "8352f42ad3baf21317171d239a5e4786b27a3e252098832899256c40c1956e7d", "canonical_center_text_hash": "d91fab12ff18676ba6efa8895c88ee9373b562c1b5f54fc625094ca42bcbc868"}, "description_zh": "\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<=", "negator": ">(int8,int8)", "function": "int8le(int8,int8)", "hash_join": "f", "left_type": "int8", "commutator": ">=(int8,int8)", "merge_join": "f", "right_type": "int8", "result_type": "bool"}, "memberships": [{"family": "integer_minmax_ops", "method": "brin", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "sort_family": ""}, {"family": "integer_ops", "method": "btree", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "sort_family": ""}]}, "comparison_hash": "727985fb39401d808e9a2dbdd1f590831c1e7b3992514c97da8b2011fbae42d2", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "<p>\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;=</code></dd><dt>\u5426\u5b9a\u8fd0\u7b97\u7b26</dt><dd><code>&gt;(int8,int8)</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>int8le(int8,int8)</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>int8</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&gt;=(int8,int8)</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>int8</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bool</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": "int8"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": 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{"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "aliases": ["<=", "<=(int8,int8)"], "related": [{"url": "/wiki/type/int8/?v=12", "label": "int8 \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/bool/?v=12", "label": "bool \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/operator/op-3e3d-int8-int8/?v=12", "label": "\u4ea4\u6362\u64cd\u4f5c\u7b26\uff1a>=(int8,int8)"}, {"url": "/wiki/operator/op-3e-int8-int8/?v=12", "label": "\u53d6\u53cd\u64cd\u4f5c\u7b26\uff1a>(int8,int8)"}, {"url": "/wiki/opclass/family-btree-integer_ops/?v=12", "label": "btree/integer_ops \u5bb6\u65cf"}, {"url": "/wiki/opclass/family-brin-integer_minmax_ops/?v=12", "label": "brin/integer_minmax_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": 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"value": "int8"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "int8le(int8,int8)"}, {"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": ">(int8,int8)", "function": "int8le(int8,int8)", "hash_join": "f", "left_type": "int8", "commutator": ">=(int8,int8)", "merge_join": "f", "right_type": "int8", "result_type": "bool"}, "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 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"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": "d882f297f0510fa4387f5af2e17042af25906de84e0fd61352f59ce890173e45", "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": "\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002", "description_zh_html": "<p>\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;=</code></dd><dt>\u5426\u5b9a\u8fd0\u7b97\u7b26</dt><dd><code>&gt;(int8,int8)</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>int8le(int8,int8)</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>int8</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&gt;=(int8,int8)</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>int8</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bool</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": "\u5c0f\u4e8e\u6216\u7b49\u4e8e\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>\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;=</code></dd><dt>\u5426\u5b9a\u8fd0\u7b97\u7b26</dt><dd><code>&gt;(int8,int8)</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>int8le(int8,int8)</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>int8</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&gt;=(int8,int8)</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>int8</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bool</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>", 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For example, oprleft is zero for a prefix operator.", "/versions/12/tables/0/rows/0/purpose": "search", "/versions/12/tables/0/rows/1/purpose": "search", "/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": "1a65b42db25877f4313cfb954b463abbe526b76bdb4c3fe39e358abc452668d6", "canonical_center_text_hash": "b456fb1f71d48d60a43045b96ccfd691abc6932a97b71918615e4a3381d44e38"}, "description_zh": "\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<=", "negator": ">(int8,int8)", "function": "int8le(int8,int8)", "hash_join": "f", "left_type": "int8", "commutator": ">=(int8,int8)", "merge_join": "f", "right_type": "int8", "result_type": "bool"}, "memberships": [{"family": "integer_minmax_ops", "method": "brin", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "sort_family": ""}, {"family": "integer_ops", "method": "btree", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "sort_family": ""}]}, "comparison_hash": "727985fb39401d808e9a2dbdd1f590831c1e7b3992514c97da8b2011fbae42d2", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "<p>\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;=</code></dd><dt>\u5426\u5b9a\u8fd0\u7b97\u7b26</dt><dd><code>&gt;(int8,int8)</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>int8le(int8,int8)</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>int8</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&gt;=(int8,int8)</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>int8</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bool</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": "int8"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "int8le(int8,int8)"}, {"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-btree-integer_ops/?v=13", "text": "integer_ops"}, "method": {"url": "/wiki/indexam/btree/?v=13", "text": "B-tree"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_ops/?v=13", "text": "integer_minmax_ops"}, "method": {"url": "/wiki/indexam/brin/?v=13", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}], "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": ["<=", "<=(int8,int8)"], "related": [{"url": "/wiki/type/int8/?v=13", "label": "int8 \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/bool/?v=13", "label": "bool \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/operator/op-3e3d-int8-int8/?v=13", "label": "\u4ea4\u6362\u64cd\u4f5c\u7b26\uff1a>=(int8,int8)"}, {"url": "/wiki/operator/op-3e-int8-int8/?v=13", "label": "\u53d6\u53cd\u64cd\u4f5c\u7b26\uff1a>(int8,int8)"}, {"url": "/wiki/opclass/family-btree-integer_ops/?v=13", "label": "btree/integer_ops \u5bb6\u65cf"}, {"url": "/wiki/opclass/family-brin-integer_minmax_ops/?v=13", "label": "brin/integer_minmax_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": "05985ef1b195407557812ba012fb40b6c0142b0e6e83edeb4ca40b599da58fd3", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "int8le(int8,int8)"}, {"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": ">(int8,int8)", "function": "int8le(int8,int8)", "hash_join": "f", "left_type": "int8", "commutator": ">=(int8,int8)", "merge_join": "f", "right_type": "int8", "result_type": "bool"}, "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": "<=(int8,int8)", "locale": "zh-Hans", "source": {"key": "op-3c3d-int8-int8", "locale": "zh-Hans", "version": "13", "text_hash": "852533c3620f5f3a032b94311da928475661da6ad728ff45c33b81e2b5d2e8bd", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "int8le(int8,int8)"}, {"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-btree-integer_ops/?v=13", "text": "integer_ops"}, "method": {"url": "/wiki/indexam/btree/?v=13", "text": "B-tree"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_ops/?v=13", "text": "integer_minmax_ops"}, "method": {"url": "/wiki/indexam/brin/?v=13", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}], "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": "05985ef1b195407557812ba012fb40b6c0142b0e6e83edeb4ca40b599da58fd3", "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": "\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002", "description_zh_html": "<p>\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;=</code></dd><dt>\u5426\u5b9a\u8fd0\u7b97\u7b26</dt><dd><code>&gt;(int8,int8)</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>int8le(int8,int8)</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>int8</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&gt;=(int8,int8)</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>int8</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bool</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": "\u5c0f\u4e8e\u6216\u7b49\u4e8e\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>\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;=</code></dd><dt>\u5426\u5b9a\u8fd0\u7b97\u7b26</dt><dd><code>&gt;(int8,int8)</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>int8le(int8,int8)</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>int8</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&gt;=(int8,int8)</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>int8</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bool</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": "da08703cb4b86839bbf5a25d48400d4b9d149911ec44fc7de578e5d5e9b0757c", "content_hash": "852533c3620f5f3a032b94311da928475661da6ad728ff45c33b81e2b5d2e8bd", "source_database": "center", "source_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "signature": "<=(int8,int8) \u2192 bool", "tables_zh": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-btree-integer_ops/?v=13", "text": "integer_ops"}, "method": {"url": "/wiki/indexam/btree/?v=13", "text": "B-tree"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_ops/?v=13", "text": "integer_minmax_ops"}, "method": {"url": "/wiki/indexam/brin/?v=13", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}], "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": "414", "description": ["\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002"], "memberships": [{"family": "integer_ops", "method": "btree", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "description": "less than or equal", "family_slug": "family-btree-integer_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-3c3d-int8-int8", "sort_family_slug": ""}, {"family": "integer_minmax_ops", "method": "brin", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "description": "less than or equal", "family_slug": "family-brin-integer_minmax_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-3c3d-int8-int8", "sort_family_slug": ""}], "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/13/catalog-pg-amop.html", "method": "same-major semantic node", "sha256": "344df36a802a949f2a1e178d6708bf07012cd0daff6368987f59cab3023d2853", "language": "zh", "matched_nodes": ["#CATALOG-PG-AMOP/p[2]/em[1]"]}, {"url": "/docs/13/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "46fd38944eeaedaf5977bf7e555facfc61d03f97bee7df978680e2d60921724e", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]", "#CATALOG-PG-OPERATOR/p[5]"]}], "language": "zh", "original_text": {"/versions/13/description/0": "less than or equal", "/versions/13/facts/0/label": "Left operand", "/versions/13/facts/1/label": "Right operand", "/versions/13/facts/2/label": "Result type", "/versions/13/facts/3/label": "Implementing function", "/versions/13/facts/4/label": "Operator 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": "int8 data type", "/versions/13/related/1/label": "bool data type", "/versions/13/related/2/label": "Commutator: >=(int8,int8)", "/versions/13/related/3/label": "Negator: >(int8,int8)", "/versions/13/related/4/label": "btree/integer_ops family", "/versions/13/related/5/label": "brin/integer_minmax_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": "search", "/versions/13/tables/0/rows/1/purpose": "search", "/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": "c92e2c9665a5fbe04068f18d00943effe6654f83063abad7f168a5aeedc5614e", "canonical_center_text_hash": "852533c3620f5f3a032b94311da928475661da6ad728ff45c33b81e2b5d2e8bd"}, "description_zh": "\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<=", "negator": ">(int8,int8)", "function": "int8le(int8,int8)", "hash_join": "f", "left_type": "int8", "commutator": ">=(int8,int8)", "merge_join": "f", "right_type": "int8", "result_type": "bool"}, "memberships": [{"family": "integer_minmax_ops", "method": "brin", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "sort_family": ""}, {"family": "integer_ops", "method": "btree", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "sort_family": ""}]}, "comparison_hash": "727985fb39401d808e9a2dbdd1f590831c1e7b3992514c97da8b2011fbae42d2", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "<p>\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;=</code></dd><dt>\u5426\u5b9a\u8fd0\u7b97\u7b26</dt><dd><code>&gt;(int8,int8)</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>int8le(int8,int8)</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>int8</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&gt;=(int8,int8)</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>int8</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bool</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": "int8"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "int8le(int8,int8)"}, {"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-btree-integer_ops/?v=14", "text": "integer_ops"}, "method": {"url": "/wiki/indexam/btree/?v=14", "text": "B-tree"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_ops/?v=14", "text": "integer_minmax_ops"}, "method": {"url": "/wiki/indexam/brin/?v=14", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_multi_ops/?v=14", "text": "integer_minmax_multi_ops"}, "method": {"url": "/wiki/indexam/brin/?v=14", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}], "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": ["<=", "<=(int8,int8)"], "related": [{"url": "/wiki/type/int8/?v=14", "label": "int8 \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/bool/?v=14", "label": "bool \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/operator/op-3e3d-int8-int8/?v=14", "label": "\u4ea4\u6362\u64cd\u4f5c\u7b26\uff1a>=(int8,int8)"}, {"url": "/wiki/operator/op-3e-int8-int8/?v=14", "label": "\u53d6\u53cd\u64cd\u4f5c\u7b26\uff1a>(int8,int8)"}, {"url": "/wiki/opclass/family-btree-integer_ops/?v=14", "label": "btree/integer_ops \u5bb6\u65cf"}, {"url": "/wiki/opclass/family-brin-integer_minmax_ops/?v=14", "label": 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"git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:87e6aa4fd6e1ec85c5f4a6de4f5647cfd9e5de734ca2c266d32b6d6192c662ef", "translated_from_revision": null}, "body_sha256": "28004c50feaa4bb1e7b7c53fa81315b3551d7f9b4cbe7c7daaff998cd2df56da", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "int8le(int8,int8)"}, {"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": ">(int8,int8)", "function": "int8le(int8,int8)", "hash_join": "f", "left_type": "int8", "commutator": ">=(int8,int8)", "merge_join": "f", "right_type": "int8", "result_type": "bool"}, "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": "<=(int8,int8)", "locale": "zh-Hans", "source": {"key": "op-3c3d-int8-int8", "locale": "zh-Hans", "version": "14", "text_hash": "3498244246be03e62be1b43498203c97ace870443adccf9b8d946246fa6ca8c4", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "int8le(int8,int8)"}, {"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-btree-integer_ops/?v=14", "text": "integer_ops"}, "method": {"url": "/wiki/indexam/btree/?v=14", "text": "B-tree"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_ops/?v=14", "text": "integer_minmax_ops"}, "method": {"url": "/wiki/indexam/brin/?v=14", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_multi_ops/?v=14", "text": "integer_minmax_multi_ops"}, "method": {"url": "/wiki/indexam/brin/?v=14", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}], "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/14/catalog-pg-operator.html", "anchor": "", "locale": "zh-Hans", "version": "14", "build_id": 99, "page_key": "catalog-pg-operator.html", "extraction": "concept-introduction", "source_hash": "7b43aa001c59590aa12f98efc5a136c1c69f558905b4779d8f4c2359236b9933", "fragment_sha256": "c7c37ee2fc9ea001cbdd3723fd63b2356bc4f97e3dd6f7b8a5e932e002a8e23b", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:87e6aa4fd6e1ec85c5f4a6de4f5647cfd9e5de734ca2c266d32b6d6192c662ef", "translated_from_revision": null}, "body_sha256": "28004c50feaa4bb1e7b7c53fa81315b3551d7f9b4cbe7c7daaff998cd2df56da", "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": "\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002", "description_zh_html": "<p>\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;=</code></dd><dt>\u5426\u5b9a\u8fd0\u7b97\u7b26</dt><dd><code>&gt;(int8,int8)</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>int8le(int8,int8)</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>int8</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&gt;=(int8,int8)</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>int8</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bool</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": "\u5c0f\u4e8e\u6216\u7b49\u4e8e\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>\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;=</code></dd><dt>\u5426\u5b9a\u8fd0\u7b97\u7b26</dt><dd><code>&gt;(int8,int8)</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>int8le(int8,int8)</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>int8</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&gt;=(int8,int8)</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>int8</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bool</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": "b2db754eebe762059ad9409161fd3ce97e1c53092ac6abf45973f952320d75fd", "content_hash": "3498244246be03e62be1b43498203c97ace870443adccf9b8d946246fa6ca8c4", "source_database": "center", "source_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "signature": "<=(int8,int8) \u2192 bool", "tables_zh": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-btree-integer_ops/?v=14", "text": "integer_ops"}, "method": {"url": "/wiki/indexam/btree/?v=14", "text": "B-tree"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_ops/?v=14", "text": "integer_minmax_ops"}, "method": {"url": "/wiki/indexam/brin/?v=14", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_multi_ops/?v=14", "text": "integer_minmax_multi_ops"}, "method": {"url": "/wiki/indexam/brin/?v=14", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}], "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": "414", "description": ["\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002"], "memberships": [{"family": "integer_ops", "method": "btree", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "description": "less than or equal", "family_slug": "family-btree-integer_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-3c3d-int8-int8", "sort_family_slug": ""}, {"family": "integer_minmax_ops", "method": "brin", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "description": "less than or equal", "family_slug": "family-brin-integer_minmax_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-3c3d-int8-int8", "sort_family_slug": ""}, {"family": "integer_minmax_multi_ops", "method": "brin", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "description": "less than or equal", "family_slug": "family-brin-integer_minmax_multi_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-3c3d-int8-int8", "sort_family_slug": ""}], "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[1]"]}, {"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": "less than or equal", "/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": "int8 data type", "/versions/14/related/1/label": "bool data type", "/versions/14/related/2/label": "Commutator: >=(int8,int8)", "/versions/14/related/3/label": "Negator: >(int8,int8)", "/versions/14/related/4/label": "btree/integer_ops family", "/versions/14/related/5/label": "brin/integer_minmax_ops family", "/versions/14/related/6/label": "brin/integer_minmax_multi_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": "search", "/versions/14/tables/0/rows/1/purpose": "search", "/versions/14/tables/0/rows/2/purpose": "search", "/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": "9f89ba5606bee90047546988ec7254963994add0d3fcbccb8066873c00cf9d07", "canonical_center_text_hash": "3498244246be03e62be1b43498203c97ace870443adccf9b8d946246fa6ca8c4"}, "description_zh": "\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<=", "negator": ">(int8,int8)", "function": "int8le(int8,int8)", "hash_join": "f", "left_type": "int8", "commutator": ">=(int8,int8)", "merge_join": "f", "right_type": "int8", "result_type": "bool"}, "memberships": [{"family": "integer_minmax_multi_ops", "method": "brin", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "sort_family": ""}, {"family": "integer_minmax_ops", "method": "brin", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "sort_family": ""}, {"family": "integer_ops", "method": "btree", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "sort_family": ""}]}, "comparison_hash": "8572f915ba181e1b4db9b951c400fda4910bc905d68ff90c27f08c73fab11f26", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "<p>\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;=</code></dd><dt>\u5426\u5b9a\u8fd0\u7b97\u7b26</dt><dd><code>&gt;(int8,int8)</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>int8le(int8,int8)</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>int8</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&gt;=(int8,int8)</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>int8</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bool</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": "int8"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "int8le(int8,int8)"}, {"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-btree-integer_ops/?v=15", "text": "integer_ops"}, "method": {"url": "/wiki/indexam/btree/?v=15", "text": "B-tree"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_ops/?v=15", "text": "integer_minmax_ops"}, "method": {"url": "/wiki/indexam/brin/?v=15", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_multi_ops/?v=15", "text": "integer_minmax_multi_ops"}, "method": {"url": "/wiki/indexam/brin/?v=15", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}], "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": ["<=", "<=(int8,int8)"], "related": [{"url": "/wiki/type/int8/?v=15", "label": "int8 \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/bool/?v=15", "label": "bool \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/operator/op-3e3d-int8-int8/?v=15", "label": "\u4ea4\u6362\u64cd\u4f5c\u7b26\uff1a>=(int8,int8)"}, {"url": "/wiki/operator/op-3e-int8-int8/?v=15", "label": "\u53d6\u53cd\u64cd\u4f5c\u7b26\uff1a>(int8,int8)"}, {"url": "/wiki/opclass/family-btree-integer_ops/?v=15", "label": "btree/integer_ops \u5bb6\u65cf"}, {"url": "/wiki/opclass/family-brin-integer_minmax_ops/?v=15", "label": "brin/integer_minmax_ops \u5bb6\u65cf"}, {"url": "/wiki/opclass/family-brin-integer_minmax_multi_ops/?v=15", "label": "brin/integer_minmax_multi_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": "53ced8770f19710869151ab02a9a6f0d97380981ca4bfe83752092bfb74a9e0c"}], "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": "95c3d7986f4e04de29e29743ba2c2e533fade802d7eb69ebb1ed970436dd6a1a", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "int8le(int8,int8)"}, {"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": ">(int8,int8)", "function": "int8le(int8,int8)", "hash_join": "f", "left_type": "int8", "commutator": ">=(int8,int8)", "merge_join": "f", "right_type": "int8", "result_type": "bool"}, "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": "<=(int8,int8)", "locale": "zh-Hans", "source": {"key": "op-3c3d-int8-int8", "locale": "zh-Hans", "version": "15", "text_hash": "dc8730a2abbd5016aebe173bc8c222ca25d007fd344a5cf5dc7a66313363b76c", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "int8le(int8,int8)"}, {"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-btree-integer_ops/?v=15", "text": "integer_ops"}, "method": {"url": "/wiki/indexam/btree/?v=15", "text": "B-tree"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_ops/?v=15", "text": "integer_minmax_ops"}, "method": {"url": "/wiki/indexam/brin/?v=15", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_multi_ops/?v=15", "text": "integer_minmax_multi_ops"}, "method": {"url": "/wiki/indexam/brin/?v=15", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}], "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": "95c3d7986f4e04de29e29743ba2c2e533fade802d7eb69ebb1ed970436dd6a1a", "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": "\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002", "description_zh_html": "<p>\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;=</code></dd><dt>\u5426\u5b9a\u8fd0\u7b97\u7b26</dt><dd><code>&gt;(int8,int8)</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>int8le(int8,int8)</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>int8</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&gt;=(int8,int8)</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>int8</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bool</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": "\u5c0f\u4e8e\u6216\u7b49\u4e8e\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>\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;=</code></dd><dt>\u5426\u5b9a\u8fd0\u7b97\u7b26</dt><dd><code>&gt;(int8,int8)</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>int8le(int8,int8)</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>int8</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&gt;=(int8,int8)</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>int8</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bool</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": "4fc6b34bca7d4ecdf49f1060d8e998e71811c246a1ebd38a187d23fcd7b38a72", "content_hash": "dc8730a2abbd5016aebe173bc8c222ca25d007fd344a5cf5dc7a66313363b76c", "source_database": "center", "source_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "signature": "<=(int8,int8) \u2192 bool", "tables_zh": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-btree-integer_ops/?v=15", "text": "integer_ops"}, "method": {"url": "/wiki/indexam/btree/?v=15", "text": "B-tree"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_ops/?v=15", "text": "integer_minmax_ops"}, "method": {"url": "/wiki/indexam/brin/?v=15", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_multi_ops/?v=15", "text": "integer_minmax_multi_ops"}, "method": {"url": "/wiki/indexam/brin/?v=15", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}], "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": "414", "description": ["\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002"], "memberships": [{"family": "integer_ops", "method": "btree", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "description": "less than or equal", "family_slug": "family-btree-integer_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-3c3d-int8-int8", "sort_family_slug": ""}, {"family": "integer_minmax_ops", "method": "brin", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "description": "less than or equal", "family_slug": "family-brin-integer_minmax_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-3c3d-int8-int8", "sort_family_slug": ""}, {"family": "integer_minmax_multi_ops", "method": "brin", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "description": "less than or equal", "family_slug": "family-brin-integer_minmax_multi_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-3c3d-int8-int8", "sort_family_slug": ""}], "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/15/catalog-pg-amop.html", "method": "same-major semantic node", "sha256": "722b907f43f8178f67214192f7587c04c86bbab3759c44150d611dead287836f", "language": "zh", "matched_nodes": ["#CATALOG-PG-AMOP/p[2]/em[1]"]}, {"url": "/docs/15/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "4865734bda46f48a054c1c554b2ff262358a48b562081c1f01a178a6df15e38b", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}], "language": "zh", "original_text": {"/versions/15/description/0": "less than or equal", "/versions/15/facts/0/label": "Left operand", "/versions/15/facts/1/label": "Right operand", "/versions/15/facts/2/label": "Result type", "/versions/15/facts/3/label": "Implementing function", "/versions/15/facts/4/label": "Operator kind", "/versions/15/facts/5/label": "Hash join candidate", "/versions/15/facts/5/value": "no", "/versions/15/facts/6/label": "Merge join candidate", "/versions/15/facts/6/value": "no", "/versions/15/tables/0/title": "Declared operator-family membership", "/versions/15/related/0/label": "int8 data type", "/versions/15/related/1/label": "bool data type", "/versions/15/related/2/label": "Commutator: >=(int8,int8)", "/versions/15/related/3/label": "Negator: >(int8,int8)", "/versions/15/related/4/label": "btree/integer_ops family", "/versions/15/related/5/label": "brin/integer_minmax_ops family", "/versions/15/related/6/label": "brin/integer_minmax_multi_ops family", "/versions/15/sections/0/title": "Catalog interpretation", "/versions/15/sections/0/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 38.14 for more information.", "/versions/15/tables/0/rows/0/purpose": "search", "/versions/15/tables/0/rows/1/purpose": "search", "/versions/15/tables/0/rows/2/purpose": "search", "/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": "19b81b834dbc5a236b183ba761413f884206480b5bd0ed849784e2ef8c01e05d", "canonical_center_text_hash": "dc8730a2abbd5016aebe173bc8c222ca25d007fd344a5cf5dc7a66313363b76c"}, "description_zh": "\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<=", "negator": ">(int8,int8)", "function": "int8le(int8,int8)", "hash_join": "f", "left_type": "int8", "commutator": ">=(int8,int8)", "merge_join": "f", "right_type": "int8", "result_type": "bool"}, "memberships": [{"family": "integer_minmax_multi_ops", "method": "brin", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "sort_family": ""}, {"family": "integer_minmax_ops", "method": "brin", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "sort_family": ""}, {"family": "integer_ops", "method": "btree", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "sort_family": ""}]}, "comparison_hash": "8572f915ba181e1b4db9b951c400fda4910bc905d68ff90c27f08c73fab11f26", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "<p>\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;=</code></dd><dt>\u5426\u5b9a\u8fd0\u7b97\u7b26</dt><dd><code>&gt;(int8,int8)</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>int8le(int8,int8)</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>int8</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&gt;=(int8,int8)</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>int8</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bool</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": "int8"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "int8le(int8,int8)"}, {"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-btree-integer_ops/?v=16", "text": "integer_ops"}, "method": {"url": "/wiki/indexam/btree/?v=16", "text": "B-tree"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_ops/?v=16", "text": "integer_minmax_ops"}, "method": {"url": "/wiki/indexam/brin/?v=16", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_multi_ops/?v=16", "text": "integer_minmax_multi_ops"}, "method": {"url": "/wiki/indexam/brin/?v=16", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}], "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": ["<=", "<=(int8,int8)"], "related": [{"url": "/wiki/type/int8/?v=16", "label": "int8 \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/bool/?v=16", "label": "bool \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/operator/op-3e3d-int8-int8/?v=16", "label": "\u4ea4\u6362\u64cd\u4f5c\u7b26\uff1a>=(int8,int8)"}, {"url": "/wiki/operator/op-3e-int8-int8/?v=16", "label": "\u53d6\u53cd\u64cd\u4f5c\u7b26\uff1a>(int8,int8)"}, {"url": "/wiki/opclass/family-btree-integer_ops/?v=16", "label": "btree/integer_ops \u5bb6\u65cf"}, {"url": "/wiki/opclass/family-brin-integer_minmax_ops/?v=16", "label": "brin/integer_minmax_ops \u5bb6\u65cf"}, {"url": "/wiki/opclass/family-brin-integer_minmax_multi_ops/?v=16", "label": "brin/integer_minmax_multi_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": "75503d85f5f7bf67d6df32cb1ce50d84e93fb1790349c3c448ad2cc0a20e5fd1", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "int8le(int8,int8)"}, {"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": ">(int8,int8)", "function": "int8le(int8,int8)", "hash_join": "f", "left_type": "int8", "commutator": ">=(int8,int8)", "merge_join": "f", "right_type": "int8", "result_type": "bool"}, "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": "<=(int8,int8)", "locale": "zh-Hans", "source": {"key": "op-3c3d-int8-int8", "locale": "zh-Hans", "version": "16", "text_hash": "67b169812dee102c95a63b015d82dc893e32384e85b58ac76876fbb689cf9c81", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "int8le(int8,int8)"}, {"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-btree-integer_ops/?v=16", "text": "integer_ops"}, "method": {"url": "/wiki/indexam/btree/?v=16", "text": "B-tree"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_ops/?v=16", "text": "integer_minmax_ops"}, "method": {"url": "/wiki/indexam/brin/?v=16", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_multi_ops/?v=16", "text": "integer_minmax_multi_ops"}, "method": {"url": "/wiki/indexam/brin/?v=16", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}], "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": "75503d85f5f7bf67d6df32cb1ce50d84e93fb1790349c3c448ad2cc0a20e5fd1", "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": "\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002", "description_zh_html": "<p>\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;=</code></dd><dt>\u5426\u5b9a\u8fd0\u7b97\u7b26</dt><dd><code>&gt;(int8,int8)</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>int8le(int8,int8)</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>int8</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&gt;=(int8,int8)</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>int8</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bool</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": "\u5c0f\u4e8e\u6216\u7b49\u4e8e\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>\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;=</code></dd><dt>\u5426\u5b9a\u8fd0\u7b97\u7b26</dt><dd><code>&gt;(int8,int8)</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>int8le(int8,int8)</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>int8</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&gt;=(int8,int8)</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>int8</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bool</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": "3c87f5013b7e6ffc6e5d3da6908443aea6de05e7f3c71a45058d02dafe04f781", "content_hash": "67b169812dee102c95a63b015d82dc893e32384e85b58ac76876fbb689cf9c81", "source_database": "center", "source_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "signature": "<=(int8,int8) \u2192 bool", "tables_zh": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-btree-integer_ops/?v=16", "text": "integer_ops"}, "method": {"url": "/wiki/indexam/btree/?v=16", "text": "B-tree"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_ops/?v=16", "text": "integer_minmax_ops"}, "method": {"url": "/wiki/indexam/brin/?v=16", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_multi_ops/?v=16", "text": "integer_minmax_multi_ops"}, "method": {"url": "/wiki/indexam/brin/?v=16", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}], "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": "414", "description": ["\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002"], "memberships": [{"family": "integer_ops", "method": "btree", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "description": "less than or equal", "family_slug": "family-btree-integer_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-3c3d-int8-int8", "sort_family_slug": ""}, {"family": "integer_minmax_ops", "method": "brin", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "description": "less than or equal", "family_slug": "family-brin-integer_minmax_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-3c3d-int8-int8", "sort_family_slug": ""}, {"family": "integer_minmax_multi_ops", "method": "brin", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "description": "less than or equal", "family_slug": "family-brin-integer_minmax_multi_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-3c3d-int8-int8", "sort_family_slug": ""}], "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[1]"]}, {"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": "less than or equal", "/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": "int8 data type", "/versions/16/related/1/label": "bool data type", "/versions/16/related/2/label": "Commutator: >=(int8,int8)", "/versions/16/related/3/label": "Negator: >(int8,int8)", "/versions/16/related/4/label": "btree/integer_ops family", "/versions/16/related/5/label": "brin/integer_minmax_ops family", "/versions/16/related/6/label": "brin/integer_minmax_multi_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": "search", "/versions/16/tables/0/rows/1/purpose": "search", "/versions/16/tables/0/rows/2/purpose": "search", "/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": "4ec3e9daf4a199d090c1ba84213a80bf88421be005e62d419632ede2803d1455", "canonical_center_text_hash": "67b169812dee102c95a63b015d82dc893e32384e85b58ac76876fbb689cf9c81"}, "description_zh": "\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<=", "negator": ">(int8,int8)", "function": "int8le(int8,int8)", "hash_join": "f", "left_type": "int8", "commutator": ">=(int8,int8)", "merge_join": "f", "right_type": "int8", "result_type": "bool"}, "memberships": [{"family": "integer_minmax_multi_ops", "method": "brin", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "sort_family": ""}, {"family": "integer_minmax_ops", "method": "brin", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "sort_family": ""}, {"family": "integer_ops", "method": "btree", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "sort_family": ""}]}, "comparison_hash": "8572f915ba181e1b4db9b951c400fda4910bc905d68ff90c27f08c73fab11f26", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "<p>\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;=</code></dd><dt>\u5426\u5b9a\u8fd0\u7b97\u7b26</dt><dd><code>&gt;(int8,int8)</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>int8le(int8,int8)</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>int8</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&gt;=(int8,int8)</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>int8</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bool</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": "int8"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "int8le(int8,int8)"}, {"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-btree-integer_ops/?v=17", "text": "integer_ops"}, "method": {"url": "/wiki/indexam/btree/?v=17", "text": "B-tree"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_ops/?v=17", "text": "integer_minmax_ops"}, "method": {"url": "/wiki/indexam/brin/?v=17", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_multi_ops/?v=17", "text": "integer_minmax_multi_ops"}, "method": {"url": "/wiki/indexam/brin/?v=17", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", 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"dc147d84f2fcfecedc2e3ec5e0081e7ae9979c8c61a4f21ce79560b5a0530828", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "int8le(int8,int8)"}, {"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": ">(int8,int8)", "function": "int8le(int8,int8)", "hash_join": "f", "left_type": "int8", "commutator": ">=(int8,int8)", "merge_join": "f", "right_type": "int8", "result_type": "bool"}, "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": "<=(int8,int8)", "locale": "zh-Hans", "source": {"key": "op-3c3d-int8-int8", "locale": "zh-Hans", "version": "17", "text_hash": "c0d2fe93313195d7e22f7ff538a3c844d2eb68f3159b2e8a936d28db1b35f269", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "int8le(int8,int8)"}, {"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-btree-integer_ops/?v=17", "text": "integer_ops"}, "method": {"url": "/wiki/indexam/btree/?v=17", "text": "B-tree"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_ops/?v=17", "text": "integer_minmax_ops"}, "method": {"url": "/wiki/indexam/brin/?v=17", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_multi_ops/?v=17", "text": "integer_minmax_multi_ops"}, "method": {"url": "/wiki/indexam/brin/?v=17", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}], "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": "dc147d84f2fcfecedc2e3ec5e0081e7ae9979c8c61a4f21ce79560b5a0530828", "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": "\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002", "description_zh_html": "<p>\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;=</code></dd><dt>\u5426\u5b9a\u8fd0\u7b97\u7b26</dt><dd><code>&gt;(int8,int8)</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>int8le(int8,int8)</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>int8</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&gt;=(int8,int8)</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>int8</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bool</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": "\u5c0f\u4e8e\u6216\u7b49\u4e8e\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>\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;=</code></dd><dt>\u5426\u5b9a\u8fd0\u7b97\u7b26</dt><dd><code>&gt;(int8,int8)</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>int8le(int8,int8)</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>int8</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&gt;=(int8,int8)</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>int8</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bool</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": "6266332dd5f08d3318b2ce87bb7737ffedfa9bf407a06558aacf5b67b6cb77fc", "content_hash": "c0d2fe93313195d7e22f7ff538a3c844d2eb68f3159b2e8a936d28db1b35f269", "source_database": "center", "source_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "signature": "<=(int8,int8) \u2192 bool", "tables_zh": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-btree-integer_ops/?v=17", "text": "integer_ops"}, "method": {"url": "/wiki/indexam/btree/?v=17", "text": "B-tree"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_ops/?v=17", "text": "integer_minmax_ops"}, "method": {"url": "/wiki/indexam/brin/?v=17", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_multi_ops/?v=17", "text": "integer_minmax_multi_ops"}, "method": {"url": "/wiki/indexam/brin/?v=17", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}], "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": "414", "description": ["\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002"], "memberships": [{"family": "integer_ops", "method": "btree", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "description": "less than or equal", "family_slug": "family-btree-integer_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-3c3d-int8-int8", "sort_family_slug": ""}, {"family": "integer_minmax_ops", "method": "brin", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "description": "less than or equal", "family_slug": "family-brin-integer_minmax_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-3c3d-int8-int8", "sort_family_slug": ""}, {"family": "integer_minmax_multi_ops", "method": "brin", "purpose": "search", 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"<p>\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;=</code></dd><dt>\u5426\u5b9a\u8fd0\u7b97\u7b26</dt><dd><code>&gt;(int8,int8)</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>int8le(int8,int8)</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>int8</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&gt;=(int8,int8)</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>int8</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bool</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": "\u5c0f\u4e8e\u6216\u7b49\u4e8e\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>\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;=</code></dd><dt>\u5426\u5b9a\u8fd0\u7b97\u7b26</dt><dd><code>&gt;(int8,int8)</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>int8le(int8,int8)</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>int8</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&gt;=(int8,int8)</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>int8</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bool</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": "851cbf75d7b33f9ef66007669e55ff3ada415f88e534e7a9cc920274e2c156a0", "content_hash": "2dbeadee1ff243ec42425cce359a743979e1ebc88bc8bf15e9ae7be9efbf288a", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "signature": "<=(int8,int8) \u2192 bool", "tables_zh": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-btree-integer_ops/?v=18", "text": "integer_ops"}, "method": {"url": "/wiki/indexam/btree/?v=18", "text": "B-tree"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_ops/?v=18", "text": "integer_minmax_ops"}, "method": {"url": "/wiki/indexam/brin/?v=18", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_multi_ops/?v=18", "text": "integer_minmax_multi_ops"}, "method": {"url": "/wiki/indexam/brin/?v=18", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}], "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": "414", "description": ["\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002"], "memberships": [{"family": "integer_ops", "method": "btree", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "description": "less than or equal", "family_slug": "family-btree-integer_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-3c3d-int8-int8", "sort_family_slug": ""}, {"family": "integer_minmax_ops", "method": "brin", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "description": "less than or equal", "family_slug": "family-brin-integer_minmax_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-3c3d-int8-int8", "sort_family_slug": ""}, {"family": "integer_minmax_multi_ops", "method": "brin", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "description": "less than or equal", "family_slug": "family-brin-integer_minmax_multi_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-3c3d-int8-int8", "sort_family_slug": ""}], "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[1]"]}, {"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": "less than or equal", "/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": "int8 data type", "/versions/18/related/1/label": "bool data type", "/versions/18/related/2/label": "Commutator: >=(int8,int8)", "/versions/18/related/3/label": "Negator: >(int8,int8)", "/versions/18/related/4/label": "btree/integer_ops family", "/versions/18/related/5/label": "brin/integer_minmax_ops family", "/versions/18/related/6/label": "brin/integer_minmax_multi_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": "search", "/versions/18/tables/0/rows/1/purpose": "search", "/versions/18/tables/0/rows/2/purpose": "search", "/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": "13df7c3db7331ece27bccbd7540f186f7d726b202f364011e7a5bfa1ea070d70", "canonical_center_text_hash": "2dbeadee1ff243ec42425cce359a743979e1ebc88bc8bf15e9ae7be9efbf288a"}, "description_zh": "\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<=", "negator": ">(int8,int8)", "function": "int8le(int8,int8)", "hash_join": "f", "left_type": "int8", "commutator": ">=(int8,int8)", "merge_join": "f", "right_type": "int8", "result_type": "bool"}, "memberships": [{"family": "integer_minmax_multi_ops", "method": "brin", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "sort_family": ""}, {"family": "integer_minmax_ops", "method": "brin", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "sort_family": ""}, {"family": "integer_ops", "method": "btree", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "sort_family": ""}]}, "comparison_hash": "8572f915ba181e1b4db9b951c400fda4910bc905d68ff90c27f08c73fab11f26", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "<p>\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;=</code></dd><dt>\u5426\u5b9a\u8fd0\u7b97\u7b26</dt><dd><code>&gt;(int8,int8)</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>int8le(int8,int8)</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>int8</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&gt;=(int8,int8)</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>int8</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bool</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>\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;=</code></dd><dt>\u5426\u5b9a\u8fd0\u7b97\u7b26</dt><dd><code>&gt;(int8,int8)</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>int8le(int8,int8)</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>int8</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&gt;=(int8,int8)</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>int8</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bool</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>"}, "19": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "int8le(int8,int8)"}, {"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-btree-integer_ops/?v=19", "text": "integer_ops"}, "method": {"url": "/wiki/indexam/btree/?v=19", "text": "B-tree"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_ops/?v=19", "text": "integer_minmax_ops"}, "method": {"url": "/wiki/indexam/brin/?v=19", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_multi_ops/?v=19", "text": "integer_minmax_multi_ops"}, "method": {"url": "/wiki/indexam/brin/?v=19", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}], "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": ["<=", "<=(int8,int8)"], "related": [{"url": "/wiki/type/int8/?v=19", "label": "int8 \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/bool/?v=19", "label": "bool \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/operator/op-3e3d-int8-int8/?v=19", "label": "\u4ea4\u6362\u64cd\u4f5c\u7b26\uff1a>=(int8,int8)"}, {"url": "/wiki/operator/op-3e-int8-int8/?v=19", "label": "\u53d6\u53cd\u64cd\u4f5c\u7b26\uff1a>(int8,int8)"}, {"url": "/wiki/opclass/family-btree-integer_ops/?v=19", "label": "btree/integer_ops \u5bb6\u65cf"}, {"url": "/wiki/opclass/family-brin-integer_minmax_ops/?v=19", "label": "brin/integer_minmax_ops \u5bb6\u65cf"}, {"url": "/wiki/opclass/family-brin-integer_minmax_multi_ops/?v=19", "label": "brin/integer_minmax_multi_ops \u5bb6\u65cf"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v19rc1/postgresql-19rc1.tar.bz2", "label": "19rc1", "major": "19", "channel": "preview", "revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701", "source_sha256": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701", "manual_fingerprint": "63afc6091780ed5e52920ff9ef5adb6aa7dfcc82f8f413ed36ad46095788488d", "catalog_fingerprint": "da7a8a4e03b72cd120b91ffdff4265e065ccad9eab9964fc3eb1279a58464eb8"}, "sources": [{"url": "https://ftp.postgresql.org/pub/source/v19rc1/postgresql-19rc1.tar.bz2", "label": "Matching PostgreSQL source archive", "sha256": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, {"url": "/docs/19/catalog-pg-operator.html", "path": "catalog-pg-operator.html", "label": "PostgreSQL 19 English manual: catalog-pg-operator.html", "sha256": "d72adfa2e7a4b73f626c90a03915426b5843f7b75a31fac47c12448b822dbe3b"}, {"url": "/docs/19/catalog-pg-amop.html", "path": "catalog-pg-amop.html", "label": "PostgreSQL 19 English manual: catalog-pg-amop.html", "sha256": "ff953e362a227387990b27226aff52dfd10f5f25b408d1bac8fa3e50bb45d00f"}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/19/catalog-pg-operator.html", "anchor": "", "locale": "zh-Hans", "version": "19", "build_id": 109, "page_key": "catalog-pg-operator.html", "extraction": "concept-introduction", "source_hash": "776fc135311c87a436777942c5dca664faacc83ec029db551c2d4c1a8d566515", "fragment_sha256": "cd0745f95f81b49375bd9a435dfd824847236ec83e7504d21cb92e48ccffeb3e", "source_revision": "sha256:af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:65fda1f1b62a89992b84014c9157e61b67dbe8190e93945826efec668fad038c", "translated_from_revision": "sha256:af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "body_sha256": "b79a26e6ae066adece3ee1bf6c114f744283ac9ef68bd1346f18e540efab4014", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "int8le(int8,int8)"}, {"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": ">(int8,int8)", "function": "int8le(int8,int8)", "hash_join": "f", "left_type": "int8", "commutator": ">=(int8,int8)", "merge_join": "f", "right_type": "int8", "result_type": "bool"}, "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": "<=(int8,int8)", "locale": "zh-Hans", "source": {"key": "op-3c3d-int8-int8", "locale": "zh-Hans", "version": "19", "text_hash": "ddd2746e55ca75340fdde7b665b3d810211726a186d57805fbadf2d6653d7828", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "int8le(int8,int8)"}, {"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-btree-integer_ops/?v=19", "text": "integer_ops"}, "method": {"url": "/wiki/indexam/btree/?v=19", "text": "B-tree"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_ops/?v=19", "text": "integer_minmax_ops"}, "method": {"url": "/wiki/indexam/brin/?v=19", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_multi_ops/?v=19", "text": "integer_minmax_multi_ops"}, "method": {"url": "/wiki/indexam/brin/?v=19", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}], "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/19/catalog-pg-operator.html", "anchor": "", "locale": "zh-Hans", "version": "19", "build_id": 109, "page_key": "catalog-pg-operator.html", "extraction": "concept-introduction", "source_hash": "776fc135311c87a436777942c5dca664faacc83ec029db551c2d4c1a8d566515", "fragment_sha256": "cd0745f95f81b49375bd9a435dfd824847236ec83e7504d21cb92e48ccffeb3e", "source_revision": "sha256:af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:65fda1f1b62a89992b84014c9157e61b67dbe8190e93945826efec668fad038c", "translated_from_revision": "sha256:af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "body_sha256": "b79a26e6ae066adece3ee1bf6c114f744283ac9ef68bd1346f18e540efab4014", "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": "\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002", "description_zh_html": "<p>\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;=</code></dd><dt>\u5426\u5b9a\u8fd0\u7b97\u7b26</dt><dd><code>&gt;(int8,int8)</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>int8le(int8,int8)</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>int8</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&gt;=(int8,int8)</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>int8</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bool</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": "\u5c0f\u4e8e\u6216\u7b49\u4e8e\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>\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;=</code></dd><dt>\u5426\u5b9a\u8fd0\u7b97\u7b26</dt><dd><code>&gt;(int8,int8)</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>int8le(int8,int8)</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>int8</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&gt;=(int8,int8)</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>int8</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bool</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": "45d1054269739dbd8388ce2c58716eaa1f088d0311e31f7f0412f79395bedc69", "content_hash": "ddd2746e55ca75340fdde7b665b3d810211726a186d57805fbadf2d6653d7828", "source_database": "center", "source_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "signature": "<=(int8,int8) \u2192 bool", "tables_zh": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-btree-integer_ops/?v=19", "text": "integer_ops"}, "method": {"url": "/wiki/indexam/btree/?v=19", "text": "B-tree"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_ops/?v=19", "text": "integer_minmax_ops"}, "method": {"url": "/wiki/indexam/brin/?v=19", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_multi_ops/?v=19", "text": "integer_minmax_multi_ops"}, "method": {"url": "/wiki/indexam/brin/?v=19", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}], "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": "414", "description": ["\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002"], "memberships": [{"family": "integer_ops", "method": "btree", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "description": "less than or equal", "family_slug": "family-btree-integer_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-3c3d-int8-int8", "sort_family_slug": ""}, {"family": "integer_minmax_ops", "method": "brin", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "description": "less than or equal", "family_slug": "family-brin-integer_minmax_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-3c3d-int8-int8", "sort_family_slug": ""}, {"family": "integer_minmax_multi_ops", "method": "brin", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "description": "less than or equal", "family_slug": "family-brin-integer_minmax_multi_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-3c3d-int8-int8", "sort_family_slug": ""}], "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[1]"]}, {"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": "less than or equal", "/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": "int8 data type", "/versions/19/related/1/label": "bool data type", "/versions/19/related/2/label": "Commutator: >=(int8,int8)", "/versions/19/related/3/label": "Negator: >(int8,int8)", "/versions/19/related/4/label": "btree/integer_ops family", "/versions/19/related/5/label": "brin/integer_minmax_ops family", "/versions/19/related/6/label": "brin/integer_minmax_multi_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": "search", "/versions/19/tables/0/rows/1/purpose": "search", "/versions/19/tables/0/rows/2/purpose": "search", "/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": "430c17ad26dedf6f4531c233eac4df6b61f4f2d4c13b78e446d431d770d7008d", "canonical_center_text_hash": "ddd2746e55ca75340fdde7b665b3d810211726a186d57805fbadf2d6653d7828"}, "description_zh": "\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<=", "negator": ">(int8,int8)", "function": "int8le(int8,int8)", "hash_join": "f", "left_type": "int8", "commutator": ">=(int8,int8)", "merge_join": "f", "right_type": "int8", "result_type": "bool"}, "memberships": [{"family": "integer_minmax_multi_ops", "method": "brin", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "sort_family": ""}, {"family": "integer_minmax_ops", "method": "brin", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "sort_family": ""}, {"family": "integer_ops", "method": "btree", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "sort_family": ""}]}, "comparison_hash": "8572f915ba181e1b4db9b951c400fda4910bc905d68ff90c27f08c73fab11f26", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "<p>\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;=</code></dd><dt>\u5426\u5b9a\u8fd0\u7b97\u7b26</dt><dd><code>&gt;(int8,int8)</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>int8le(int8,int8)</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>int8</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&gt;=(int8,int8)</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>int8</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bool</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 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"text": "integer_minmax_ops"}, "method": {"url": "/wiki/indexam/brin/?v=20", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_multi_ops/?v=20", "text": "integer_minmax_multi_ops"}, "method": {"url": "/wiki/indexam/brin/?v=20", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}], "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": "961c5b8e5af5a6fb44a9748b366f6a96c299edf63aea7cfee134648ff126d8cc", "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": "\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002", "description_zh_html": "<p>\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;=</code></dd><dt>\u5426\u5b9a\u8fd0\u7b97\u7b26</dt><dd><code>&gt;(int8,int8)</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>int8le(int8,int8)</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>int8</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&gt;=(int8,int8)</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>int8</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bool</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": "\u5c0f\u4e8e\u6216\u7b49\u4e8e\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>\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;=</code></dd><dt>\u5426\u5b9a\u8fd0\u7b97\u7b26</dt><dd><code>&gt;(int8,int8)</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>int8le(int8,int8)</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>int8</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&gt;=(int8,int8)</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>int8</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bool</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": "bca1a8699318389ce212626cada7b89ea85bc679a608b1a4de914d824ba5e4c3", "content_hash": "b7e1d3236228bd090d270bb12e950d70c7519876dfbdf486bafc933fa91665aa", "source_database": "center", "source_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "signature": "<=(int8,int8) \u2192 bool", "tables_zh": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-btree-integer_ops/?v=20", "text": "integer_ops"}, "method": {"url": "/wiki/indexam/btree/?v=20", "text": "B-tree"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_ops/?v=20", "text": "integer_minmax_ops"}, "method": {"url": "/wiki/indexam/brin/?v=20", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_multi_ops/?v=20", "text": "integer_minmax_multi_ops"}, "method": {"url": "/wiki/indexam/brin/?v=20", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}], "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": "414", "description": ["\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002"], "memberships": [{"family": "integer_ops", "method": "btree", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "description": "less than or equal", "family_slug": "family-btree-integer_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-3c3d-int8-int8", "sort_family_slug": ""}, {"family": "integer_minmax_ops", "method": "brin", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "description": "less than or equal", "family_slug": "family-brin-integer_minmax_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-3c3d-int8-int8", "sort_family_slug": ""}, {"family": "integer_minmax_multi_ops", "method": "brin", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "description": "less than or equal", "family_slug": "family-brin-integer_minmax_multi_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-3c3d-int8-int8", "sort_family_slug": ""}], "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[1]"]}, {"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": "less than or equal", "/category": "Numeric", "/versions/20/description/0": "less than or equal", "/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": "int8 data type", "/versions/20/related/1/label": "bool data type", "/versions/20/related/2/label": "Commutator: >=(int8,int8)", "/versions/20/related/3/label": "Negator: >(int8,int8)", "/versions/20/related/4/label": "btree/integer_ops family", "/versions/20/related/5/label": "brin/integer_minmax_ops family", "/versions/20/related/6/label": "brin/integer_minmax_multi_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": "search", "/versions/20/tables/0/rows/1/purpose": "search", "/versions/20/tables/0/rows/2/purpose": "search", "/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": "5d9e0fa8a0d44f3cf37d673ee449c9b5a493ea3c27f12982d139f12a2a81bedb", "canonical_center_text_hash": "b7e1d3236228bd090d270bb12e950d70c7519876dfbdf486bafc933fa91665aa"}, "description_zh": "\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<=", "negator": ">(int8,int8)", "function": "int8le(int8,int8)", "hash_join": "f", "left_type": "int8", "commutator": ">=(int8,int8)", "merge_join": "f", "right_type": "int8", "result_type": "bool"}, "memberships": [{"family": "integer_minmax_multi_ops", "method": "brin", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "sort_family": ""}, {"family": "integer_minmax_ops", "method": "brin", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "sort_family": ""}, {"family": "integer_ops", "method": "btree", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "sort_family": ""}]}, "comparison_hash": "8572f915ba181e1b4db9b951c400fda4910bc905d68ff90c27f08c73fab11f26", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "<p>\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;=</code></dd><dt>\u5426\u5b9a\u8fd0\u7b97\u7b26</dt><dd><code>&gt;(int8,int8)</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>int8le(int8,int8)</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>int8</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&gt;=(int8,int8)</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>int8</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bool</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": "int8"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "int8le(int8,int8)"}, {"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-btree-integer_ops/?v=18", "text": "integer_ops"}, "method": {"url": "/wiki/indexam/btree/?v=18", "text": "B-tree"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_ops/?v=18", "text": "integer_minmax_ops"}, "method": {"url": "/wiki/indexam/brin/?v=18", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_multi_ops/?v=18", "text": "integer_minmax_multi_ops"}, "method": {"url": "/wiki/indexam/brin/?v=18", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}], "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": ["<=", "<=(int8,int8)"], "related": [{"url": "/wiki/type/int8/?v=18", "label": "int8 \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/bool/?v=18", "label": "bool \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/operator/op-3e3d-int8-int8/?v=18", "label": 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"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": "65e2015dae81b9af3666aad26d16462b262279ee3e9802c83a69ad0a07d0f546", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "int8le(int8,int8)"}, {"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": ">(int8,int8)", "function": "int8le(int8,int8)", "hash_join": "f", "left_type": "int8", "commutator": ">=(int8,int8)", "merge_join": "f", "right_type": "int8", "result_type": "bool"}, "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": "<=(int8,int8)", "locale": "zh-Hans", "source": {"key": "op-3c3d-int8-int8", "locale": "zh-Hans", "version": "18", "text_hash": "2dbeadee1ff243ec42425cce359a743979e1ebc88bc8bf15e9ae7be9efbf288a", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int8"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "int8le(int8,int8)"}, {"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-btree-integer_ops/?v=18", "text": "integer_ops"}, "method": {"url": "/wiki/indexam/btree/?v=18", "text": "B-tree"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_ops/?v=18", "text": "integer_minmax_ops"}, "method": {"url": "/wiki/indexam/brin/?v=18", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_multi_ops/?v=18", "text": "integer_minmax_multi_ops"}, "method": {"url": "/wiki/indexam/brin/?v=18", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}], "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": "65e2015dae81b9af3666aad26d16462b262279ee3e9802c83a69ad0a07d0f546", "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": "\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002", "description_zh_html": "<p>\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;=</code></dd><dt>\u5426\u5b9a\u8fd0\u7b97\u7b26</dt><dd><code>&gt;(int8,int8)</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>int8le(int8,int8)</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>int8</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&gt;=(int8,int8)</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>int8</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bool</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": "\u5c0f\u4e8e\u6216\u7b49\u4e8e\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>\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;=</code></dd><dt>\u5426\u5b9a\u8fd0\u7b97\u7b26</dt><dd><code>&gt;(int8,int8)</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>int8le(int8,int8)</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>int8</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&gt;=(int8,int8)</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>int8</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bool</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": "851cbf75d7b33f9ef66007669e55ff3ada415f88e534e7a9cc920274e2c156a0", "content_hash": "2dbeadee1ff243ec42425cce359a743979e1ebc88bc8bf15e9ae7be9efbf288a", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "signature": "<=(int8,int8) \u2192 bool", "tables_zh": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-btree-integer_ops/?v=18", "text": "integer_ops"}, "method": {"url": "/wiki/indexam/btree/?v=18", "text": "B-tree"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_ops/?v=18", "text": "integer_minmax_ops"}, "method": {"url": "/wiki/indexam/brin/?v=18", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}, {"family": {"url": "/wiki/opclass/family-brin-integer_minmax_multi_ops/?v=18", "text": "integer_minmax_multi_ops"}, "method": {"url": "/wiki/indexam/brin/?v=18", "text": "BRIN"}, "purpose": "\u641c\u7d22", "strategy": "2", "sort_family": ""}], "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": "414", "description": ["\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002"], "memberships": [{"family": "integer_ops", "method": "btree", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "description": "less than or equal", "family_slug": "family-btree-integer_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-3c3d-int8-int8", "sort_family_slug": ""}, {"family": "integer_minmax_ops", "method": "brin", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "description": "less than or equal", "family_slug": "family-brin-integer_minmax_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-3c3d-int8-int8", "sort_family_slug": ""}, {"family": "integer_minmax_multi_ops", "method": "brin", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "description": "less than or equal", "family_slug": "family-brin-integer_minmax_multi_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-3c3d-int8-int8", "sort_family_slug": ""}], "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[1]"]}, {"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": "less than or equal", "/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": "int8 data type", "/versions/18/related/1/label": "bool data type", "/versions/18/related/2/label": "Commutator: >=(int8,int8)", "/versions/18/related/3/label": "Negator: >(int8,int8)", "/versions/18/related/4/label": "btree/integer_ops family", "/versions/18/related/5/label": "brin/integer_minmax_ops family", "/versions/18/related/6/label": "brin/integer_minmax_multi_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": "search", "/versions/18/tables/0/rows/1/purpose": "search", "/versions/18/tables/0/rows/2/purpose": "search", "/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": "13df7c3db7331ece27bccbd7540f186f7d726b202f364011e7a5bfa1ea070d70", "canonical_center_text_hash": "2dbeadee1ff243ec42425cce359a743979e1ebc88bc8bf15e9ae7be9efbf288a"}, "description_zh": "\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<=", "negator": ">(int8,int8)", "function": "int8le(int8,int8)", "hash_join": "f", "left_type": "int8", "commutator": ">=(int8,int8)", "merge_join": "f", "right_type": "int8", "result_type": "bool"}, "memberships": [{"family": "integer_minmax_multi_ops", "method": "brin", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "sort_family": ""}, {"family": "integer_minmax_ops", "method": "brin", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "sort_family": ""}, {"family": "integer_ops", "method": "btree", "purpose": "search", "operator": "<=(int8,int8)", "strategy": "2", "left_type": "int8", "right_type": "int8", "sort_family": ""}]}, "comparison_hash": "8572f915ba181e1b4db9b951c400fda4910bc905d68ff90c27f08c73fab11f26", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "<p>\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;=</code></dd><dt>\u5426\u5b9a\u8fd0\u7b97\u7b26</dt><dd><code>&gt;(int8,int8)</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>int8le(int8,int8)</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>int8</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&gt;=(int8,int8)</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>int8</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bool</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>\u5c0f\u4e8e\u6216\u7b49\u4e8e\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;=</code></dd><dt>\u5426\u5b9a\u8fd0\u7b97\u7b26</dt><dd><code>&gt;(int8,int8)</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>int8le(int8,int8)</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>int8</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&gt;=(int8,int8)</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>int8</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bool</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": ""}}