{"kind": "operator", "major": "18", "item": {"slug": "op-3c2d3e-polygon-circle", "name": "<->(polygon,circle)", "name_zh": "", "category": "\u51e0\u4f55", "summary": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "aliases": ["<->", "<->(polygon,circle)"], "content_hash": "b2f61a22562f83b07462bf93ca9f85f79778e8ea6bb09240fc67a694b7223570", "versions": {"13": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "polygon"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "circle"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "dist_polyc(polygon,circle)"}, {"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": [], "aliases": ["<->", "<->(polygon,circle)"], "related": [{"url": "/wiki/type/polygon/?v=13", "label": "polygon \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/circle/?v=13", "label": "circle \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/float8/?v=13", "label": "float8 \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/operator/op-3c2d3e-circle-polygon/?v=13", "label": "\u4ea4\u6362\u64cd\u4f5c\u7b26\uff1a<->(circle,polygon)"}], "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": "83e04e1ca04663159e11aa00c68d5196b03c4ccf8cf57c4d41c1a192c6780a99", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "polygon"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "circle"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "dist_polyc(polygon,circle)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "dist_polyc(polygon,circle)", "hash_join": "f", "left_type": "polygon", "commutator": "<->(circle,polygon)", "merge_join": "f", "right_type": "circle", "result_type": "float8"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 37.14 \u8282 \u3002", "\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002"]}], "center_zh": {"title": "<->(polygon,circle)", "locale": "zh-Hans", "source": {"key": "op-3c2d3e-polygon-circle", "locale": "zh-Hans", "version": "13", "text_hash": "f80545d8825087c4cdab179e6356aa0a0b8be4a6e9d3f801f4637a6a6db62214", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "polygon"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "circle"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "dist_polyc(polygon,circle)"}, {"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": [], "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": "83e04e1ca04663159e11aa00c68d5196b03c4ccf8cf57c4d41c1a192c6780a99", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 37.14 \u8282 \u3002", "\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002"]}], "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>dist_polyc(polygon,circle)</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>polygon</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(circle,polygon)</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>circle</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code class=\"structname\">pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a class=\"xref\" href=\"/zh/docs/13/sql-createoperator.html\"><span class=\"refentrytitle\">CREATE OPERATOR</span></a> \u548c<a class=\"xref\" href=\"/zh/docs/13/xoper.html\">\u7b2c\u00a037.14\u00a0\u8282</a>\u3002\n  </p><p>\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 <code class=\"structfield\">oprleft</code> \u4e3a\u96f6\u3002</p><p><a href=\"/zh/docs/13/catalog-pg-operator.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "summary": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "version": "13", "link_map": {"/zh/docs/13/xoper.html": "/docs/13/xoper.html", "/zh/docs/13/sql-createoperator.html": "/docs/13/sql-createoperator.html", "/zh/docs/13/catalog-pg-operator.html": "/docs/13/catalog-pg-operator.html"}, "body_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>dist_polyc(polygon,circle)</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>polygon</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(circle,polygon)</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>circle</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/13/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/13/xoper.html\" rel=\"nofollow\">\u7b2c\u00a037.14\u00a0\u8282</a>\u3002\n  </p><p>\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 <code>oprleft</code> \u4e3a\u96f6\u3002</p><p><a href=\"/zh/docs/13/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "body_sha256": "c0b72bfaf88b98ec8664f43928880b9304218c00ccab6e0c6480604336292706", "content_hash": "f80545d8825087c4cdab179e6356aa0a0b8be4a6e9d3f801f4637a6a6db62214", "source_database": "center", "source_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "signature": "<->(polygon,circle) \u2192 float8", "tables_zh": [], "source_oid": "1383", "description": ["\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002"], "memberships": [], "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-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": "distance between", "/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/related/0/label": "polygon data type", "/versions/13/related/1/label": "circle data type", "/versions/13/related/2/label": "float8 data type", "/versions/13/related/3/label": "Commutator: <->(circle,polygon)", "/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."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "7fe4b2198fc9c7d88ac205df1536f739e03ebbc162eb8896201cf45c981da62d", "canonical_center_text_hash": "f80545d8825087c4cdab179e6356aa0a0b8be4a6e9d3f801f4637a6a6db62214"}, "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "dist_polyc(polygon,circle)", "hash_join": "f", "left_type": "polygon", "commutator": "<->(circle,polygon)", "merge_join": "f", "right_type": "circle", "result_type": "float8"}, "memberships": []}, "comparison_hash": "5456c3a1804cbb0475215c756fb98ee3a2f3da421a6b909ca7c25fff1e7eb86c", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>dist_polyc(polygon,circle)</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>polygon</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(circle,polygon)</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>circle</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/13/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/13/xoper.html\" rel=\"nofollow\">\u7b2c\u00a037.14\u00a0\u8282</a>\u3002\n  </p><p>\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 <code>oprleft</code> \u4e3a\u96f6\u3002</p><p><a href=\"/zh/docs/13/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "14": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "polygon"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "circle"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "dist_polyc(polygon,circle)"}, {"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": [], "aliases": ["<->", "<->(polygon,circle)"], "related": [{"url": "/wiki/type/polygon/?v=14", "label": "polygon \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/circle/?v=14", "label": "circle \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/float8/?v=14", "label": "float8 \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/operator/op-3c2d3e-circle-polygon/?v=14", "label": "\u4ea4\u6362\u64cd\u4f5c\u7b26\uff1a<->(circle,polygon)"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v14.24/postgresql-14.24.tar.bz2", "label": "14.24", "major": "14", "channel": "stable", "revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897", "source_sha256": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897", "manual_fingerprint": "1d055c6dc55d4defe2b6e9d0f842a47005487b21025b67e51d06721d3c122f71", "catalog_fingerprint": "9e0116f26e5ce870719efb77ef7b73e30c7928f8af27cbe87fdea32efe3811ef"}, "sources": [{"url": "https://ftp.postgresql.org/pub/source/v14.24/postgresql-14.24.tar.bz2", "label": "Matching PostgreSQL source archive", "sha256": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, {"url": "/docs/14/catalog-pg-operator.html", "path": "catalog-pg-operator.html", "label": "PostgreSQL 14 English manual: catalog-pg-operator.html", "sha256": "5e69fa82a7f0b49efb4ba5fc669e5bd35aeeede75682493bfc87e6035b23dd4d"}, {"url": "/docs/14/catalog-pg-amop.html", "path": "catalog-pg-amop.html", "label": "PostgreSQL 14 English manual: catalog-pg-amop.html", "sha256": "402b87d7fb1a313b096ba5349a676ae38d507e2eb98739d6ed7f0681e0b9a9a4"}], "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": "ac4d2eeac56de0a1d7fab25d9e5faa125903a4d3bd3fe658eff4ab4832b1713a", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "polygon"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "circle"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "dist_polyc(polygon,circle)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "dist_polyc(polygon,circle)", "hash_join": "f", "left_type": "polygon", "commutator": "<->(circle,polygon)", "merge_join": "f", "right_type": "circle", "result_type": "float8"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 38.14 \u8282 \u3002"]}], "center_zh": {"title": "<->(polygon,circle)", "locale": "zh-Hans", "source": {"key": "op-3c2d3e-polygon-circle", "locale": "zh-Hans", "version": "14", "text_hash": "d1ead4e303bd30a9f2f3ec7f833e080b697216e97e25f4e4ff237fb94669e61d", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "polygon"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "circle"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "dist_polyc(polygon,circle)"}, {"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": [], "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": "ac4d2eeac56de0a1d7fab25d9e5faa125903a4d3bd3fe658eff4ab4832b1713a", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 38.14 \u8282 \u3002"]}], "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>dist_polyc(polygon,circle)</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>polygon</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(circle,polygon)</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>circle</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code class=\"structname\">pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a class=\"xref\" href=\"/zh/docs/14/sql-createoperator.html\"><span class=\"refentrytitle\">CREATE OPERATOR</span></a> \u548c<a class=\"xref\" href=\"/zh/docs/14/xoper.html\">\u7b2c\u00a038.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/14/catalog-pg-operator.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "summary": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "version": "14", "link_map": {"/zh/docs/14/xoper.html": "/docs/14/xoper.html", "/zh/docs/14/sql-createoperator.html": "/docs/14/sql-createoperator.html", "/zh/docs/14/catalog-pg-operator.html": "/docs/14/catalog-pg-operator.html"}, "body_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>dist_polyc(polygon,circle)</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>polygon</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(circle,polygon)</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>circle</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/14/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/14/xoper.html\" rel=\"nofollow\">\u7b2c\u00a038.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/14/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "body_sha256": "84d95fd4565a82b827f332b2319c79487f71708286f0fc03103f86aefb33107c", "content_hash": "d1ead4e303bd30a9f2f3ec7f833e080b697216e97e25f4e4ff237fb94669e61d", "source_database": "center", "source_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "signature": "<->(polygon,circle) \u2192 float8", "tables_zh": [], "source_oid": "1383", "description": ["\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002"], "memberships": [], "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-operator.html", "method": "same-major semantic node", "sha256": "77531e62ed30180fca3990f31ecee43d1a140f3a459c18583e5158aa4b41435a", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}], "language": "zh", "original_text": {"/versions/14/description/0": "distance between", "/versions/14/facts/0/label": "Left operand", "/versions/14/facts/1/label": "Right operand", "/versions/14/facts/2/label": "Result type", "/versions/14/facts/3/label": "Implementing function", "/versions/14/facts/4/label": "Operator kind", "/versions/14/facts/5/label": "Hash join candidate", "/versions/14/facts/5/value": "no", "/versions/14/facts/6/label": "Merge join candidate", "/versions/14/facts/6/value": "no", "/versions/14/related/0/label": "polygon data type", "/versions/14/related/1/label": "circle data type", "/versions/14/related/2/label": "float8 data type", "/versions/14/related/3/label": "Commutator: <->(circle,polygon)", "/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."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "8edb760883310a32189f5e164a998bcf5e5560ba326858be16510984634e0e7c", "canonical_center_text_hash": "d1ead4e303bd30a9f2f3ec7f833e080b697216e97e25f4e4ff237fb94669e61d"}, "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "dist_polyc(polygon,circle)", "hash_join": "f", "left_type": "polygon", "commutator": "<->(circle,polygon)", "merge_join": "f", "right_type": "circle", "result_type": "float8"}, "memberships": []}, "comparison_hash": "5456c3a1804cbb0475215c756fb98ee3a2f3da421a6b909ca7c25fff1e7eb86c", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>dist_polyc(polygon,circle)</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>polygon</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(circle,polygon)</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>circle</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/14/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/14/xoper.html\" rel=\"nofollow\">\u7b2c\u00a038.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/14/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "15": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "polygon"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "circle"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "dist_polyc(polygon,circle)"}, {"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": [], "aliases": ["<->", "<->(polygon,circle)"], "related": [{"url": "/wiki/type/polygon/?v=15", "label": "polygon \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/circle/?v=15", "label": "circle \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/float8/?v=15", "label": "float8 \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/operator/op-3c2d3e-circle-polygon/?v=15", "label": "\u4ea4\u6362\u64cd\u4f5c\u7b26\uff1a<->(circle,polygon)"}], "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": "4f9e34b429fe15afb53527ca90a789225c84eb765ec7cf678cb04fedb92fa3e9", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "polygon"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "circle"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "dist_polyc(polygon,circle)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "dist_polyc(polygon,circle)", "hash_join": "f", "left_type": "polygon", "commutator": "<->(circle,polygon)", "merge_join": "f", "right_type": "circle", "result_type": "float8"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 38.14 \u8282 \u3002"]}], "center_zh": {"title": "<->(polygon,circle)", "locale": "zh-Hans", "source": {"key": "op-3c2d3e-polygon-circle", "locale": "zh-Hans", "version": "15", "text_hash": "dc444ebfbe1e8e6d5f9dae9366c5f5b67de53c930969d806b88602061e1af1cc", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "polygon"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "circle"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "dist_polyc(polygon,circle)"}, {"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": [], "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": "4f9e34b429fe15afb53527ca90a789225c84eb765ec7cf678cb04fedb92fa3e9", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 38.14 \u8282 \u3002"]}], "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>dist_polyc(polygon,circle)</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>polygon</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(circle,polygon)</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>circle</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code class=\"structname\">pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a class=\"xref\" href=\"/zh/docs/15/sql-createoperator.html\"><span class=\"refentrytitle\">CREATE OPERATOR</span></a> \u548c<a class=\"xref\" href=\"/zh/docs/15/xoper.html\">\u7b2c\u00a038.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/15/catalog-pg-operator.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "summary": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "version": "15", "link_map": {"/zh/docs/15/xoper.html": "/docs/15/xoper.html", "/zh/docs/15/sql-createoperator.html": "/docs/15/sql-createoperator.html", "/zh/docs/15/catalog-pg-operator.html": "/docs/15/catalog-pg-operator.html"}, "body_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>dist_polyc(polygon,circle)</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>polygon</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(circle,polygon)</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>circle</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/15/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/15/xoper.html\" rel=\"nofollow\">\u7b2c\u00a038.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/15/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "body_sha256": "0ec8393da467eafc92c99b76c51f244049b3d5d5dcf713e6a888dd51a9e16c78", "content_hash": "dc444ebfbe1e8e6d5f9dae9366c5f5b67de53c930969d806b88602061e1af1cc", "source_database": "center", "source_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "signature": "<->(polygon,circle) \u2192 float8", "tables_zh": [], "source_oid": "1383", "description": ["\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002"], "memberships": [], "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-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": "distance between", "/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/related/0/label": "polygon data type", "/versions/15/related/1/label": "circle data type", "/versions/15/related/2/label": "float8 data type", "/versions/15/related/3/label": "Commutator: <->(circle,polygon)", "/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."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "38b45d5fc4fb3181f8a5bbe484b81eab4b50cee1eb5121858bf40700384d4b2b", "canonical_center_text_hash": "dc444ebfbe1e8e6d5f9dae9366c5f5b67de53c930969d806b88602061e1af1cc"}, "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "dist_polyc(polygon,circle)", "hash_join": "f", "left_type": "polygon", "commutator": "<->(circle,polygon)", "merge_join": "f", "right_type": "circle", "result_type": "float8"}, "memberships": []}, "comparison_hash": "5456c3a1804cbb0475215c756fb98ee3a2f3da421a6b909ca7c25fff1e7eb86c", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>dist_polyc(polygon,circle)</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>polygon</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(circle,polygon)</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>circle</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/15/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/15/xoper.html\" rel=\"nofollow\">\u7b2c\u00a038.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/15/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "16": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "polygon"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "circle"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "dist_polyc(polygon,circle)"}, {"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": [], "aliases": ["<->", "<->(polygon,circle)"], "related": [{"url": "/wiki/type/polygon/?v=16", "label": "polygon \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/circle/?v=16", "label": "circle \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/float8/?v=16", "label": "float8 \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/operator/op-3c2d3e-circle-polygon/?v=16", "label": "\u4ea4\u6362\u64cd\u4f5c\u7b26\uff1a<->(circle,polygon)"}], "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": "c64c5f1b2854694afd756a706cc9d9b757280597c03791b7c3ef7eda82ed50ec", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "polygon"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "circle"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "dist_polyc(polygon,circle)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "dist_polyc(polygon,circle)", "hash_join": "f", "left_type": "polygon", "commutator": "<->(circle,polygon)", "merge_join": "f", "right_type": "circle", "result_type": "float8"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 38.14 \u8282 \u3002"]}], "center_zh": {"title": "<->(polygon,circle)", "locale": "zh-Hans", "source": {"key": "op-3c2d3e-polygon-circle", "locale": "zh-Hans", "version": "16", "text_hash": "f221449ba836a12dc3d8f50189955480da27a195e916189fce73667c6a1f308e", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "polygon"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "circle"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "dist_polyc(polygon,circle)"}, {"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": [], "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": "c64c5f1b2854694afd756a706cc9d9b757280597c03791b7c3ef7eda82ed50ec", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 38.14 \u8282 \u3002"]}], "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>dist_polyc(polygon,circle)</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>polygon</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(circle,polygon)</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>circle</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code class=\"structname\">pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a class=\"xref\" href=\"/zh/docs/16/sql-createoperator.html\"><span class=\"refentrytitle\">CREATE OPERATOR</span></a> \u548c<a class=\"xref\" href=\"/zh/docs/16/xoper.html\">\u7b2c\u00a038.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/16/catalog-pg-operator.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "summary": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "version": "16", "link_map": {"/zh/docs/16/xoper.html": "/docs/16/xoper.html", "/zh/docs/16/sql-createoperator.html": "/docs/16/sql-createoperator.html", "/zh/docs/16/catalog-pg-operator.html": "/docs/16/catalog-pg-operator.html"}, "body_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>dist_polyc(polygon,circle)</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>polygon</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(circle,polygon)</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>circle</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/16/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/16/xoper.html\" rel=\"nofollow\">\u7b2c\u00a038.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/16/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "body_sha256": "bd1fb56574efcef72b06517777540ed2aa153fe8a108b1f9acafdd3dc0af756d", "content_hash": "f221449ba836a12dc3d8f50189955480da27a195e916189fce73667c6a1f308e", "source_database": "center", "source_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "signature": "<->(polygon,circle) \u2192 float8", "tables_zh": [], "source_oid": "1383", "description": ["\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002"], "memberships": [], "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-operator.html", "method": "same-major semantic node", "sha256": "ff2395afae4eb19cedbcb0acbd87a844078e82ba0722c2dbe9e7fa0c4c6503d4", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}], "language": "zh", "original_text": {"/versions/16/description/0": "distance between", "/versions/16/facts/0/label": "Left operand", "/versions/16/facts/1/label": "Right operand", "/versions/16/facts/2/label": "Result type", "/versions/16/facts/3/label": "Implementing function", "/versions/16/facts/4/label": "Operator kind", "/versions/16/facts/5/label": "Hash join candidate", "/versions/16/facts/5/value": "no", "/versions/16/facts/6/label": "Merge join candidate", "/versions/16/facts/6/value": "no", "/versions/16/related/0/label": "polygon data type", "/versions/16/related/1/label": "circle data type", "/versions/16/related/2/label": "float8 data type", "/versions/16/related/3/label": "Commutator: <->(circle,polygon)", "/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."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "3d7b2fd5a3fab07c5b3f8c2a8b305388506b99fe7ef8862081765d4dc0af8caa", "canonical_center_text_hash": "f221449ba836a12dc3d8f50189955480da27a195e916189fce73667c6a1f308e"}, "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "dist_polyc(polygon,circle)", "hash_join": "f", "left_type": "polygon", "commutator": "<->(circle,polygon)", "merge_join": "f", "right_type": "circle", "result_type": "float8"}, "memberships": []}, "comparison_hash": "5456c3a1804cbb0475215c756fb98ee3a2f3da421a6b909ca7c25fff1e7eb86c", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>dist_polyc(polygon,circle)</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>polygon</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(circle,polygon)</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>circle</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/16/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/16/xoper.html\" rel=\"nofollow\">\u7b2c\u00a038.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/16/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "17": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "polygon"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "circle"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "dist_polyc(polygon,circle)"}, {"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": [], "aliases": ["<->", "<->(polygon,circle)"], "related": [{"url": "/wiki/type/polygon/?v=17", "label": "polygon \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/circle/?v=17", "label": "circle \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/float8/?v=17", "label": "float8 \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/operator/op-3c2d3e-circle-polygon/?v=17", "label": "\u4ea4\u6362\u64cd\u4f5c\u7b26\uff1a<->(circle,polygon)"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v17.11/postgresql-17.11.tar.bz2", "label": "17.11", "major": "17", "channel": "stable", "revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979", "source_sha256": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979", "manual_fingerprint": "b55870f8e80e1114a92ac7bfc97f4a6fa0dee8e75935895252bb6e5b866cf187", "catalog_fingerprint": "e888e3474202df1c60a8e7b6bf9f2d83b3866a52d119521659b7a82787d3829d"}, "sources": [{"url": "https://ftp.postgresql.org/pub/source/v17.11/postgresql-17.11.tar.bz2", "label": "Matching PostgreSQL source archive", "sha256": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, {"url": "/docs/17/catalog-pg-operator.html", "path": "catalog-pg-operator.html", "label": "PostgreSQL 17 English manual: catalog-pg-operator.html", "sha256": "a66984c4fde91649a9677d33a2e002381cb07e99d72ad0971fa3251741030a69"}, {"url": "/docs/17/catalog-pg-amop.html", "path": "catalog-pg-amop.html", "label": "PostgreSQL 17 English manual: catalog-pg-amop.html", "sha256": "19b2fb110b348860f7fbcb6e0e0544e341f5645113c23f50920a54434d432359"}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/17/catalog-pg-operator.html", "anchor": "", "locale": "zh-Hans", "version": "17", "build_id": 105, "page_key": "catalog-pg-operator.html", "extraction": "concept-introduction", "source_hash": "2f358e71f3538922a368306ead04c18f370466db3a0729918df926f838d2e6f7", "fragment_sha256": "c5f24f30c4fee7eca2fe27964dbfc185e577db8fd73a40d86b92ef931125400b", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:7340767258d21c21b36f373f1fff6bab2be18e0daca13a865129db6105c09efd", "translated_from_revision": null}, "body_sha256": "d9ad975056c8e729401cf7002f601cdef894af3ada6bf50ad4d1988663b0f310", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "polygon"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "circle"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "dist_polyc(polygon,circle)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "dist_polyc(polygon,circle)", "hash_join": "f", "left_type": "polygon", "commutator": "<->(circle,polygon)", "merge_join": "f", "right_type": "circle", "result_type": "float8"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "center_zh": {"title": "<->(polygon,circle)", "locale": "zh-Hans", "source": {"key": "op-3c2d3e-polygon-circle", "locale": "zh-Hans", "version": "17", "text_hash": "748e8aedd095517562e79b76ab570944ae89c0a8ce9884d0defdd4089f1f204e", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "polygon"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "circle"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "dist_polyc(polygon,circle)"}, {"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": [], "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": "d9ad975056c8e729401cf7002f601cdef894af3ada6bf50ad4d1988663b0f310", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>dist_polyc(polygon,circle)</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>polygon</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(circle,polygon)</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>circle</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code class=\"structname\">pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a class=\"xref\" href=\"/zh/docs/17/sql-createoperator.html\"><span class=\"refentrytitle\">CREATE OPERATOR</span></a> \u548c<a class=\"xref\" href=\"/zh/docs/17/xoper.html\">\u7b2c\u00a036.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/17/catalog-pg-operator.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "summary": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "version": "17", "link_map": {"/zh/docs/17/xoper.html": "/docs/17/xoper.html", "/zh/docs/17/sql-createoperator.html": "/docs/17/sql-createoperator.html", "/zh/docs/17/catalog-pg-operator.html": "/docs/17/catalog-pg-operator.html"}, "body_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>dist_polyc(polygon,circle)</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>polygon</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(circle,polygon)</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>circle</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/17/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/17/xoper.html\" rel=\"nofollow\">\u7b2c\u00a036.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/17/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "body_sha256": "5166f855c8e5787f6ce3e3daebb23c586e119dee81673fba752434e8ddf1ccbf", "content_hash": "748e8aedd095517562e79b76ab570944ae89c0a8ce9884d0defdd4089f1f204e", "source_database": "center", "source_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "signature": "<->(polygon,circle) \u2192 float8", "tables_zh": [], "source_oid": "1383", "description": ["\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002"], "memberships": [], "sections_zh": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/17/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "f83afaba592d4bb686da0579943b49e4c821b3df0a02b82c5fab86e1d168a26e", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}], "language": "zh", "original_text": {"/versions/17/description/0": "distance between", "/versions/17/facts/0/label": "Left operand", "/versions/17/facts/1/label": "Right operand", "/versions/17/facts/2/label": "Result type", "/versions/17/facts/3/label": "Implementing function", "/versions/17/facts/4/label": "Operator kind", "/versions/17/facts/5/label": "Hash join candidate", "/versions/17/facts/5/value": "no", "/versions/17/facts/6/label": "Merge join candidate", "/versions/17/facts/6/value": "no", "/versions/17/related/0/label": "polygon data type", "/versions/17/related/1/label": "circle data type", "/versions/17/related/2/label": "float8 data type", "/versions/17/related/3/label": "Commutator: <->(circle,polygon)", "/versions/17/sections/0/title": "Catalog interpretation", "/versions/17/sections/0/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 36.14 for more information."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "006b50748476234c7d3f54473ffa38ab18b3a28df3b27a849b1370f0f1c46ae4", "canonical_center_text_hash": "748e8aedd095517562e79b76ab570944ae89c0a8ce9884d0defdd4089f1f204e"}, "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "dist_polyc(polygon,circle)", "hash_join": "f", "left_type": "polygon", "commutator": "<->(circle,polygon)", "merge_join": "f", "right_type": "circle", "result_type": "float8"}, "memberships": []}, "comparison_hash": "5456c3a1804cbb0475215c756fb98ee3a2f3da421a6b909ca7c25fff1e7eb86c", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>dist_polyc(polygon,circle)</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>polygon</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(circle,polygon)</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>circle</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/17/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/17/xoper.html\" rel=\"nofollow\">\u7b2c\u00a036.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/17/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "18": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "polygon"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "circle"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "dist_polyc(polygon,circle)"}, {"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": [], "aliases": ["<->", "<->(polygon,circle)"], "related": [{"url": "/wiki/type/polygon/?v=18", "label": "polygon \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/circle/?v=18", "label": "circle \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/float8/?v=18", "label": "float8 \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/operator/op-3c2d3e-circle-polygon/?v=18", "label": "\u4ea4\u6362\u64cd\u4f5c\u7b26\uff1a<->(circle,polygon)"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "label": "18.6", "major": "18", "channel": "stable", "revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f", "source_sha256": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f", "manual_fingerprint": "fefce9e478eb2afe5e17e869492bbedc67dce23d317f0a5257240113d6496ebc", "catalog_fingerprint": "deec62e0f0c649d9d0d058ddd0b16bf41afffd569c3fd73949ff0971ce5cabd6"}, "sources": [{"url": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "label": "Matching PostgreSQL source archive", "sha256": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, {"url": "/docs/18/catalog-pg-operator.html", "path": "catalog-pg-operator.html", "label": "PostgreSQL 18 English manual: catalog-pg-operator.html", "sha256": "e0b1817914e5e8f9037955cd41e9a43584e9227fcc115784898ecdd9a6c0ecd6"}, {"url": "/docs/18/catalog-pg-amop.html", "path": "catalog-pg-amop.html", "label": "PostgreSQL 18 English manual: catalog-pg-amop.html", "sha256": "e65b90ee78eaf4b4da97ce5b08b972cee2e2660b882ec107be22eca47201f7d1"}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/18/catalog-pg-operator.html", "anchor": "", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "catalog-pg-operator.html", "extraction": "concept-introduction", "source_hash": "866547c7d8dd1d830de6c28cee33e2e3adb45288d1d47be58b03fbfb346e9d08", "fragment_sha256": "81aed42a595595a07ab55430c00e66eb6d05033809e63b1281b205ed73fb5610", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "38491072c66b90c54caa627840eeea8d7d2fff3bc453ef1885e430a3f09defd5", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "polygon"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "circle"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "dist_polyc(polygon,circle)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "dist_polyc(polygon,circle)", "hash_join": "f", "left_type": "polygon", "commutator": "<->(circle,polygon)", "merge_join": "f", "right_type": "circle", "result_type": "float8"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "center_zh": {"title": "<->(polygon,circle)", "locale": "zh-Hans", "source": {"key": "op-3c2d3e-polygon-circle", "locale": "zh-Hans", "version": "18", "text_hash": "d9db1a5d26576dd015ff1c9e8ab29d4f31e3c11d8b78cc614259128c6a37030b", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "polygon"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "circle"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "dist_polyc(polygon,circle)"}, {"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": [], "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": "38491072c66b90c54caa627840eeea8d7d2fff3bc453ef1885e430a3f09defd5", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>dist_polyc(polygon,circle)</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>polygon</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(circle,polygon)</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>circle</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code class=\"structname\">pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a class=\"xref\" href=\"/zh/docs/18/sql-createoperator.html\"><span class=\"refentrytitle\">CREATE OPERATOR</span></a> \u548c<a class=\"xref\" href=\"/zh/docs/18/xoper.html\">\u7b2c\u00a036.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/18/catalog-pg-operator.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "summary": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "version": "18", "link_map": {"/zh/docs/18/xoper.html": "/docs/18/xoper.html", "/zh/docs/18/sql-createoperator.html": "/docs/18/sql-createoperator.html", "/zh/docs/18/catalog-pg-operator.html": "/docs/18/catalog-pg-operator.html"}, "body_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>dist_polyc(polygon,circle)</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>polygon</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(circle,polygon)</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>circle</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/18/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/18/xoper.html\" rel=\"nofollow\">\u7b2c\u00a036.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/18/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "body_sha256": "980bb4c8d35c2400fc96473551bfb94963fcf741e7612f9310ae066de5013973", "content_hash": "d9db1a5d26576dd015ff1c9e8ab29d4f31e3c11d8b78cc614259128c6a37030b", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "signature": "<->(polygon,circle) \u2192 float8", "tables_zh": [], "source_oid": "1383", "description": ["\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002"], "memberships": [], "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-operator.html", "method": "same-major semantic node", "sha256": "7cfcd945bbbd55377dea8d4bd57380014caceb4e83c5db3be16c23eb5991d68f", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "distance between", "/versions/18/facts/0/label": "Left operand", "/versions/18/facts/1/label": "Right operand", "/versions/18/facts/2/label": "Result type", "/versions/18/facts/3/label": "Implementing function", "/versions/18/facts/4/label": "Operator kind", "/versions/18/facts/5/label": "Hash join candidate", "/versions/18/facts/5/value": "no", "/versions/18/facts/6/label": "Merge join candidate", "/versions/18/facts/6/value": "no", "/versions/18/related/0/label": "polygon data type", "/versions/18/related/1/label": "circle data type", "/versions/18/related/2/label": "float8 data type", "/versions/18/related/3/label": "Commutator: <->(circle,polygon)", "/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."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "b44ec3ab1b53d1445b4217418e004d1b4486d1a04f3266a17b1b8b5d69889ee2", "canonical_center_text_hash": "d9db1a5d26576dd015ff1c9e8ab29d4f31e3c11d8b78cc614259128c6a37030b"}, "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "dist_polyc(polygon,circle)", "hash_join": "f", "left_type": "polygon", "commutator": "<->(circle,polygon)", "merge_join": "f", "right_type": "circle", "result_type": "float8"}, "memberships": []}, "comparison_hash": "5456c3a1804cbb0475215c756fb98ee3a2f3da421a6b909ca7c25fff1e7eb86c", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>dist_polyc(polygon,circle)</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>polygon</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(circle,polygon)</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>circle</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/18/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/18/xoper.html\" rel=\"nofollow\">\u7b2c\u00a036.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/18/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "center_zh_rendered": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>dist_polyc(polygon,circle)</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>polygon</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(circle,polygon)</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>circle</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/docs/18/sql-createoperator.html\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/docs/18/xoper.html\">\u7b2c\u00a036.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/docs/18/catalog-pg-operator.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "19": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "polygon"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "circle"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "dist_polyc(polygon,circle)"}, {"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": [], "aliases": ["<->", "<->(polygon,circle)"], "related": [{"url": "/wiki/type/polygon/?v=19", "label": "polygon \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/circle/?v=19", "label": "circle \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/float8/?v=19", "label": "float8 \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/operator/op-3c2d3e-circle-polygon/?v=19", "label": "\u4ea4\u6362\u64cd\u4f5c\u7b26\uff1a<->(circle,polygon)"}], "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": "399c5c7c46a1ac049bd8b878b173ad20f76d31448979afd675fd28dc478d6c84", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "polygon"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "circle"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "dist_polyc(polygon,circle)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "dist_polyc(polygon,circle)", "hash_join": "f", "left_type": "polygon", "commutator": "<->(circle,polygon)", "merge_join": "f", "right_type": "circle", "result_type": "float8"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "center_zh": {"title": "<->(polygon,circle)", "locale": "zh-Hans", "source": {"key": "op-3c2d3e-polygon-circle", "locale": "zh-Hans", "version": "19", "text_hash": "660ae46d7085d80626db1f536be31e9578760fa00c2be23b1f342274037e9cb2", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "polygon"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "circle"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "dist_polyc(polygon,circle)"}, {"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": [], "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": "399c5c7c46a1ac049bd8b878b173ad20f76d31448979afd675fd28dc478d6c84", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>dist_polyc(polygon,circle)</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>polygon</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(circle,polygon)</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>circle</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code class=\"structname\">pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a class=\"xref\" href=\"/zh/docs/19/sql-createoperator.html\"><span class=\"refentrytitle\">CREATE OPERATOR</span></a> \u548c<a class=\"xref\" href=\"/zh/docs/19/xoper.html\">\u7b2c\u00a036.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/19/catalog-pg-operator.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "summary": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "version": "19", "link_map": {"/zh/docs/19/xoper.html": "/docs/19/xoper.html", "/zh/docs/19/sql-createoperator.html": "/docs/19/sql-createoperator.html", "/zh/docs/19/catalog-pg-operator.html": "/docs/19/catalog-pg-operator.html"}, "body_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>dist_polyc(polygon,circle)</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>polygon</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(circle,polygon)</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>circle</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/19/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/19/xoper.html\" rel=\"nofollow\">\u7b2c\u00a036.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/19/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "body_sha256": "1ce8097400df2e0914155787b44408e15f133ba0bb1575ab58814d358ea620af", "content_hash": "660ae46d7085d80626db1f536be31e9578760fa00c2be23b1f342274037e9cb2", "source_database": "center", "source_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "signature": "<->(polygon,circle) \u2192 float8", "tables_zh": [], "source_oid": "1383", "description": ["\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002"], "memberships": [], "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-operator.html", "method": "same-major semantic node", "sha256": "9debafecc544409918e14c4ab4498c5b52d41808968dccb8a5874794ef8e4ac1", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}], "language": "zh", "original_text": {"/versions/19/description/0": "distance between", "/versions/19/facts/0/label": "Left operand", "/versions/19/facts/1/label": "Right operand", "/versions/19/facts/2/label": "Result type", "/versions/19/facts/3/label": "Implementing function", "/versions/19/facts/4/label": "Operator kind", "/versions/19/facts/5/label": "Hash join candidate", "/versions/19/facts/5/value": "no", "/versions/19/facts/6/label": "Merge join candidate", "/versions/19/facts/6/value": "no", "/versions/19/related/0/label": "polygon data type", "/versions/19/related/1/label": "circle data type", "/versions/19/related/2/label": "float8 data type", "/versions/19/related/3/label": "Commutator: <->(circle,polygon)", "/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."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "c9eab833b04529c809dcfb94632ca73953a81f821bf303b0401969d75bbdb03a", "canonical_center_text_hash": "660ae46d7085d80626db1f536be31e9578760fa00c2be23b1f342274037e9cb2"}, "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "dist_polyc(polygon,circle)", "hash_join": "f", "left_type": "polygon", "commutator": "<->(circle,polygon)", "merge_join": "f", "right_type": "circle", "result_type": "float8"}, "memberships": []}, "comparison_hash": "5456c3a1804cbb0475215c756fb98ee3a2f3da421a6b909ca7c25fff1e7eb86c", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>dist_polyc(polygon,circle)</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>polygon</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(circle,polygon)</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>circle</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/19/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/19/xoper.html\" rel=\"nofollow\">\u7b2c\u00a036.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/19/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "source_revalidation": {"kind": "static-same-version-source-and-manual-replay", "audit": "wiki-audit-20261023", "runtime_rerun": false, "compared_fields": "entity membership and source-derived facts; presentation markup normalized", "source_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701", "previous_source_revision": "83157ee9c599d03b2f7a3d73ef3a56ec24e0e79cc2b3501a64d1364f56398c86"}}, "20": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "polygon"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "circle"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "dist_polyc(polygon,circle)"}, {"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": [], "aliases": ["<->", "<->(polygon,circle)"], "related": [{"url": "/wiki/type/polygon/?v=20", "label": "polygon \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/circle/?v=20", "label": "circle \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/float8/?v=20", "label": "float8 \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/operator/op-3c2d3e-circle-polygon/?v=20", "label": "\u4ea4\u6362\u64cd\u4f5c\u7b26\uff1a<->(circle,polygon)"}], "release": {"ref": "https://ftp.postgresql.org/pub/snapshot/dev/postgresql-snapshot.tar.bz2", "label": "20devel", "major": "20", "channel": "devel", "revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "source_sha256": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "manual_fingerprint": "4afd3a8e29953000e176877e161458a2febaeaac5a5e16986595d3acc2418c7d", "catalog_fingerprint": "e519e6916a731ce8fb9bca3edb12410227f73e01ccd43fb6f5fb98276f08985f"}, "sources": [{"url": "https://ftp.postgresql.org/pub/snapshot/dev/postgresql-snapshot.tar.bz2", "label": "Matching PostgreSQL source archive", "sha256": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, {"url": "/docs/devel/catalog-pg-operator.html", "path": "catalog-pg-operator.html", "label": "PostgreSQL 20 English manual: catalog-pg-operator.html", "sha256": "117e39bcb71e0d3fb201bdaf5071df520f8f8bc661ecefd758dc661956e2059a"}, {"url": "/docs/devel/catalog-pg-amop.html", "path": "catalog-pg-amop.html", "label": "PostgreSQL 20 English manual: catalog-pg-amop.html", "sha256": "21308426099a60febe495b5e6edd040a5b0f7cb87269121a33549a930433d19f"}], "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": "7123f01f9d346910e2ae1c335d057ca14a8d7c2c1a1c575809aa7b55963039a6", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "polygon"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "circle"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "dist_polyc(polygon,circle)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "dist_polyc(polygon,circle)", "hash_join": "f", "left_type": "polygon", "commutator": "<->(circle,polygon)", "merge_join": "f", "right_type": "circle", "result_type": "float8"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "center_zh": {"title": "<->(polygon,circle)", "locale": "zh-Hans", "source": {"key": "op-3c2d3e-polygon-circle", "locale": "zh-Hans", "version": "20", "text_hash": "38e63ed657c5d6e0c772fd8251f712c083be8a61f6c4340298e5035d2753e53c", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "polygon"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "circle"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "dist_polyc(polygon,circle)"}, {"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": [], "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": "7123f01f9d346910e2ae1c335d057ca14a8d7c2c1a1c575809aa7b55963039a6", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>dist_polyc(polygon,circle)</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>polygon</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(circle,polygon)</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>circle</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code class=\"structname\">pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a class=\"xref\" href=\"/zh/docs/devel/sql-createoperator.html\"><span class=\"refentrytitle\">CREATE OPERATOR</span></a> \u548c<a class=\"xref\" href=\"/zh/docs/devel/xoper.html\">\u7b2c\u00a036.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/devel/catalog-pg-operator.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "summary": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "version": "20", "link_map": {"/zh/docs/devel/xoper.html": "/docs/devel/xoper.html", "/zh/docs/devel/sql-createoperator.html": "/docs/devel/sql-createoperator.html", "/zh/docs/devel/catalog-pg-operator.html": "/docs/devel/catalog-pg-operator.html"}, "body_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>dist_polyc(polygon,circle)</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>polygon</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(circle,polygon)</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>circle</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/devel/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/devel/xoper.html\" rel=\"nofollow\">\u7b2c\u00a036.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/devel/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "body_sha256": "7dbad8679fb4f51c51f0c74644f4babfc0029bde72af5eb84126ec863ba99f6f", "content_hash": "38e63ed657c5d6e0c772fd8251f712c083be8a61f6c4340298e5035d2753e53c", "source_database": "center", "source_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "signature": "<->(polygon,circle) \u2192 float8", "tables_zh": [], "source_oid": "1383", "description": ["\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002"], "memberships": [], "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-operator.html", "method": "same-major semantic node", "sha256": "573e7b9d66caef244b2c03df37b3c4b39b92c1b0e7f32fa8bd3e09d17d5591be", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}], "language": "zh", "original_text": {"/summary": "distance between", "/category": "Geometric", "/versions/20/description/0": "distance between", "/versions/20/facts/0/label": "Left operand", "/versions/20/facts/1/label": "Right operand", "/versions/20/facts/2/label": "Result type", "/versions/20/facts/3/label": "Implementing function", "/versions/20/facts/4/label": "Operator kind", "/versions/20/facts/5/label": "Hash join candidate", "/versions/20/facts/5/value": "no", "/versions/20/facts/6/label": "Merge join candidate", "/versions/20/facts/6/value": "no", "/versions/20/related/0/label": "polygon data type", "/versions/20/related/1/label": "circle data type", "/versions/20/related/2/label": "float8 data type", "/versions/20/related/3/label": "Commutator: <->(circle,polygon)", "/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."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "e31743e27cd1ca5217bac9232f8e7bb4e15c1d322ee1844b0445080df384b6dc", "canonical_center_text_hash": "38e63ed657c5d6e0c772fd8251f712c083be8a61f6c4340298e5035d2753e53c"}, "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "dist_polyc(polygon,circle)", "hash_join": "f", "left_type": "polygon", "commutator": "<->(circle,polygon)", "merge_join": "f", "right_type": "circle", "result_type": "float8"}, "memberships": []}, "comparison_hash": "5456c3a1804cbb0475215c756fb98ee3a2f3da421a6b909ca7c25fff1e7eb86c", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>dist_polyc(polygon,circle)</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>polygon</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(circle,polygon)</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>circle</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/devel/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/devel/xoper.html\" rel=\"nofollow\">\u7b2c\u00a036.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/devel/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "source_revalidation": {"kind": "static-same-version-source-and-manual-replay", "audit": "wiki-audit-20261023", "runtime_rerun": false, "compared_fields": "entity membership and source-derived facts; presentation markup normalized", "source_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "previous_source_revision": "4d3346909b201ac1648232cf290462a7070c119326f56196f1f0253ed80fae41"}}}}, "snapshot": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "polygon"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "circle"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "dist_polyc(polygon,circle)"}, {"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": [], "aliases": ["<->", "<->(polygon,circle)"], "related": [{"url": "/wiki/type/polygon/?v=18", "label": "polygon \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/circle/?v=18", "label": "circle \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/float8/?v=18", "label": "float8 \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/operator/op-3c2d3e-circle-polygon/?v=18", "label": "\u4ea4\u6362\u64cd\u4f5c\u7b26\uff1a<->(circle,polygon)"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "label": "18.6", "major": "18", "channel": "stable", "revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f", "source_sha256": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f", "manual_fingerprint": "fefce9e478eb2afe5e17e869492bbedc67dce23d317f0a5257240113d6496ebc", "catalog_fingerprint": "deec62e0f0c649d9d0d058ddd0b16bf41afffd569c3fd73949ff0971ce5cabd6"}, "sources": [{"url": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "label": "Matching PostgreSQL source archive", "sha256": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, {"url": "/docs/18/catalog-pg-operator.html", "path": "catalog-pg-operator.html", "label": "PostgreSQL 18 English manual: catalog-pg-operator.html", "sha256": "e0b1817914e5e8f9037955cd41e9a43584e9227fcc115784898ecdd9a6c0ecd6"}, {"url": "/docs/18/catalog-pg-amop.html", "path": "catalog-pg-amop.html", "label": "PostgreSQL 18 English manual: catalog-pg-amop.html", "sha256": "e65b90ee78eaf4b4da97ce5b08b972cee2e2660b882ec107be22eca47201f7d1"}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/18/catalog-pg-operator.html", "anchor": "", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "catalog-pg-operator.html", "extraction": "concept-introduction", "source_hash": "866547c7d8dd1d830de6c28cee33e2e3adb45288d1d47be58b03fbfb346e9d08", "fragment_sha256": "81aed42a595595a07ab55430c00e66eb6d05033809e63b1281b205ed73fb5610", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "38491072c66b90c54caa627840eeea8d7d2fff3bc453ef1885e430a3f09defd5", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "polygon"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "circle"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "dist_polyc(polygon,circle)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "dist_polyc(polygon,circle)", "hash_join": "f", "left_type": "polygon", "commutator": "<->(circle,polygon)", "merge_join": "f", "right_type": "circle", "result_type": "float8"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "center_zh": {"title": "<->(polygon,circle)", "locale": "zh-Hans", "source": {"key": "op-3c2d3e-polygon-circle", "locale": "zh-Hans", "version": "18", "text_hash": "d9db1a5d26576dd015ff1c9e8ab29d4f31e3c11d8b78cc614259128c6a37030b", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "polygon"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "circle"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "dist_polyc(polygon,circle)"}, {"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": [], "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": "38491072c66b90c54caa627840eeea8d7d2fff3bc453ef1885e430a3f09defd5", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>dist_polyc(polygon,circle)</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>polygon</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(circle,polygon)</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>circle</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code class=\"structname\">pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a class=\"xref\" href=\"/zh/docs/18/sql-createoperator.html\"><span class=\"refentrytitle\">CREATE OPERATOR</span></a> \u548c<a class=\"xref\" href=\"/zh/docs/18/xoper.html\">\u7b2c\u00a036.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/18/catalog-pg-operator.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "summary": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "version": "18", "link_map": {"/zh/docs/18/xoper.html": "/docs/18/xoper.html", "/zh/docs/18/sql-createoperator.html": "/docs/18/sql-createoperator.html", "/zh/docs/18/catalog-pg-operator.html": "/docs/18/catalog-pg-operator.html"}, "body_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>dist_polyc(polygon,circle)</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>polygon</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(circle,polygon)</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>circle</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/18/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/18/xoper.html\" rel=\"nofollow\">\u7b2c\u00a036.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/18/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "body_sha256": "980bb4c8d35c2400fc96473551bfb94963fcf741e7612f9310ae066de5013973", "content_hash": "d9db1a5d26576dd015ff1c9e8ab29d4f31e3c11d8b78cc614259128c6a37030b", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "signature": "<->(polygon,circle) \u2192 float8", "tables_zh": [], "source_oid": "1383", "description": ["\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002"], "memberships": [], "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-operator.html", "method": "same-major semantic node", "sha256": "7cfcd945bbbd55377dea8d4bd57380014caceb4e83c5db3be16c23eb5991d68f", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "distance between", "/versions/18/facts/0/label": "Left operand", "/versions/18/facts/1/label": "Right operand", "/versions/18/facts/2/label": "Result type", "/versions/18/facts/3/label": "Implementing function", "/versions/18/facts/4/label": "Operator kind", "/versions/18/facts/5/label": "Hash join candidate", "/versions/18/facts/5/value": "no", "/versions/18/facts/6/label": "Merge join candidate", "/versions/18/facts/6/value": "no", "/versions/18/related/0/label": "polygon data type", "/versions/18/related/1/label": "circle data type", "/versions/18/related/2/label": "float8 data type", "/versions/18/related/3/label": "Commutator: <->(circle,polygon)", "/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."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "b44ec3ab1b53d1445b4217418e004d1b4486d1a04f3266a17b1b8b5d69889ee2", "canonical_center_text_hash": "d9db1a5d26576dd015ff1c9e8ab29d4f31e3c11d8b78cc614259128c6a37030b"}, "description_zh": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "dist_polyc(polygon,circle)", "hash_join": "f", "left_type": "polygon", "commutator": "<->(circle,polygon)", "merge_join": "f", "right_type": "circle", "result_type": "float8"}, "memberships": []}, "comparison_hash": "5456c3a1804cbb0475215c756fb98ee3a2f3da421a6b909ca7c25fff1e7eb86c", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>dist_polyc(polygon,circle)</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>polygon</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(circle,polygon)</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>circle</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/18/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/18/xoper.html\" rel=\"nofollow\">\u7b2c\u00a036.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/zh/docs/18/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "center_zh_rendered": "<p>\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;-&gt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>dist_polyc(polygon,circle)</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>polygon</code></dd><dt>\u4ea4\u6362\u8fd0\u7b97\u7b26</dt><dd><code>&lt;-&gt;(circle,polygon)</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>circle</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>float8</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/docs/18/sql-createoperator.html\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/docs/18/xoper.html\">\u7b2c\u00a036.14\u00a0\u8282</a>\u3002\n  </p><p><a href=\"/docs/18/catalog-pg-operator.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "comparison": {"left": "12", "right": "13", "status": "added", "diff": "--- PostgreSQL 12\n+++ PostgreSQL 13\n@@ -1 +1,15 @@\n-\u8be5\u7248\u672a\u6536\u5f55\n+{\n+  \"memberships\": [],\n+  \"operator\": {\n+    \"commutator\": \"<->(circle,polygon)\",\n+    \"function\": \"dist_polyc(polygon,circle)\",\n+    \"hash_join\": \"f\",\n+    \"kind\": \"b\",\n+    \"left_type\": \"polygon\",\n+    \"merge_join\": \"f\",\n+    \"negator\": \"\",\n+    \"result_type\": \"float8\",\n+    \"right_type\": \"circle\",\n+    \"symbol\": \"<->\"\n+  }\n+}"}}