\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002
b^@starts_with(text,text)\u5426text\u5426textbool\n \u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c\u7b2c\u00a038.13\u00a0\u8282\u3002\n
\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
\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
"}, "summary": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002", "version": "11", "link_map": {"/zh/docs/11/xoper.html": "/docs/11/xoper.html", "/zh/docs/11/sql-createoperator.html": "/docs/11/sql-createoperator.html", "/zh/docs/11/catalog-pg-operator.html": "/docs/11/catalog-pg-operator.html"}, "body_html": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002
b^@starts_with(text,text)\u5426text\u5426textbool\n \u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c\u7b2c\u00a038.13\u00a0\u8282\u3002\n
\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
\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
", "body_sha256": "163de92957a121489cdab15ef86ee70c74272aaa6f22990bd2d39cee16b424d9", "content_hash": "9e768af90e9804f739e1812efdf74e4d6010848f20c3560b53e131244fe2a950", "source_database": "center", "source_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "signature": "^@(text,text) \u2192 bool", "tables_zh": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-spgist-text_ops/?v=11", "text": "text_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=11", "text": "SP-GiST"}, "purpose": "\u641c\u7d22", "strategy": "28", "sort_family": ""}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "source_oid": "3877", "description": ["\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002"], "memberships": [{"family": "text_ops", "method": "spgist", "purpose": "search", "operator": "^@(text,text)", "strategy": "28", "left_type": "text", "right_type": "text", "description": "starts with", "family_slug": "family-spgist-text_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-5e40-text-text", "sort_family_slug": ""}], "sections_zh": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 38.13 \u8282 \u3002", "\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/11/catalog-pg-amop.html", "method": "same-major semantic node", "sha256": "d4e01ba05c1f00188e2353ef6816dbe175140ae359defc71e20f92fb0e69299a", "language": "zh", "matched_nodes": ["#CATALOG-PG-AMOP/p[2]/em[1]"]}, {"url": "/docs/11/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "f82a79efdee09289202a35db03a983767f4fc93fe523141f530180cd56c9dd23", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]", "#CATALOG-PG-OPERATOR/p[5]"]}], "language": "zh", "original_text": {"/versions/11/description/0": "starts with", "/versions/11/facts/0/label": "Left operand", "/versions/11/facts/1/label": "Right operand", "/versions/11/facts/2/label": "Result type", "/versions/11/facts/3/label": "Implementing function", "/versions/11/facts/4/label": "Operator kind", "/versions/11/facts/5/label": "Hash join candidate", "/versions/11/facts/5/value": "no", "/versions/11/facts/6/label": "Merge join candidate", "/versions/11/facts/6/value": "no", "/versions/11/tables/0/title": "Declared operator-family membership", "/versions/11/related/0/label": "text data type", "/versions/11/related/1/label": "bool data type", "/versions/11/related/2/label": "spgist/text_ops family", "/versions/11/sections/0/title": "Catalog interpretation", "/versions/11/sections/0/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 38.13 for more information.", "/versions/11/sections/0/paragraphs/1": "Unused columns contain zeroes. For example, oprleft is zero for a prefix operator.", "/versions/11/tables/0/rows/0/purpose": "search", "/versions/11/tables/0/columns/0/label": "Index AM", "/versions/11/tables/0/columns/1/label": "Family", "/versions/11/tables/0/columns/2/label": "Strategy", "/versions/11/tables/0/columns/3/label": "Purpose", "/versions/11/tables/0/columns/4/label": "Ordering family"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "2c934b37ef06a7e6da581705ed02bd74bed8af4ca1d9cb9270fb128417364e79", "canonical_center_text_hash": "9e768af90e9804f739e1812efdf74e4d6010848f20c3560b53e131244fe2a950"}, "description_zh": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "^@", "negator": "", "function": "starts_with(text,text)", "hash_join": "f", "left_type": "text", "commutator": "", "merge_join": "f", "right_type": "text", "result_type": "bool"}, "memberships": [{"family": "text_ops", "method": "spgist", "purpose": "search", "operator": "^@(text,text)", "strategy": "28", "left_type": "text", "right_type": "text", "sort_family": ""}]}, "comparison_hash": "4a2ff52c97c994a5e0b903a45e90f7858630794bb37b04de75dd11b366547593", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002
b^@starts_with(text,text)\u5426text\u5426textbool\n \u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c\u7b2c\u00a038.13\u00a0\u8282\u3002\n
\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
\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
"}, "12": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "starts_with(text,text)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-spgist-text_ops/?v=12", "text": "text_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=12", "text": "SP-GiST"}, "purpose": "\u641c\u7d22", "strategy": "28", "sort_family": ""}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "aliases": ["^@", "^@(text,text)"], "related": [{"url": "/wiki/type/text/?v=12", "label": "text \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/bool/?v=12", "label": "bool \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/opclass/family-spgist-text_ops/?v=12", "label": "spgist/text_ops \u5bb6\u65cf"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v12.22/postgresql-12.22.tar.bz2", "label": "12.22", "major": "12", "channel": "historical", "revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b", "source_sha256": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b", "manual_fingerprint": "535df36baec2140f211303631c0a3f64e02d2673b9d34cb050d247997c94bd1e", "catalog_fingerprint": "1f423fd3c5fb61c039f8814116ce19dedbb2804bc864599818e88cbc4f5f284a"}, "sources": [{"url": "https://ftp.postgresql.org/pub/source/v12.22/postgresql-12.22.tar.bz2", "label": "Matching PostgreSQL source archive", "sha256": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, {"url": "/docs/12/catalog-pg-operator.html", "path": "catalog-pg-operator.html", "label": "PostgreSQL 12 English manual: catalog-pg-operator.html", "sha256": "e3f4410bbe926fcc950323b3358f3be85a42e2552afd5938562f725df6675cdb"}, {"url": "/docs/12/catalog-pg-amop.html", "path": "catalog-pg-amop.html", "label": "PostgreSQL 12 English manual: catalog-pg-amop.html", "sha256": "84b91a9d763b1fb2968cc8be226a0369d31a6acb2468eb56cfd0b8d2030d1b45"}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/12/catalog-pg-operator.html", "anchor": "", "locale": "zh-Hans", "version": "12", "build_id": 65, "page_key": "catalog-pg-operator.html", "extraction": "concept-introduction", "source_hash": "81ee405c6c78bb15e19f04abae13db32e44641d76ab4b54f5a93e2fe5ccf7ff2", "fragment_sha256": "caa51cc02d567e9c4f74ed11c50a00e96c00f3b660a06a90fe345dec73c95524", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:86d2ff781f93e1de17122ebc514d5e64fcb63fed15941f496d7e146c6dcc7a49", "translated_from_revision": null}, "body_sha256": "35b7948ad8ddb64977e5a05e3f9cbdffd0abb5e5d171fb500e85d2281d46e28f", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "starts_with(text,text)"}, {"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": "starts_with(text,text)", "hash_join": "f", "left_type": "text", "commutator": "", "merge_join": "f", "right_type": "text", "result_type": "bool"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 37.14 \u8282 \u3002", "\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002"]}], "center_zh": {"title": "^@(text,text)", "locale": "zh-Hans", "source": {"key": "op-5e40-text-text", "locale": "zh-Hans", "version": "12", "text_hash": "3c2e50a12d2838181d32e3db69b6248ffb2c1ef1586fb64863649cb79e993347", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "starts_with(text,text)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-spgist-text_ops/?v=12", "text": "text_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=12", "text": "SP-GiST"}, "purpose": "\u641c\u7d22", "strategy": "28", "sort_family": ""}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/12/catalog-pg-operator.html", "anchor": "", "locale": "zh-Hans", "version": "12", "build_id": 65, "page_key": "catalog-pg-operator.html", "extraction": "concept-introduction", "source_hash": "81ee405c6c78bb15e19f04abae13db32e44641d76ab4b54f5a93e2fe5ccf7ff2", "fragment_sha256": "caa51cc02d567e9c4f74ed11c50a00e96c00f3b660a06a90fe345dec73c95524", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:86d2ff781f93e1de17122ebc514d5e64fcb63fed15941f496d7e146c6dcc7a49", "translated_from_revision": null}, "body_sha256": "35b7948ad8ddb64977e5a05e3f9cbdffd0abb5e5d171fb500e85d2281d46e28f", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 37.14 \u8282 \u3002", "\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002"]}], "description_zh": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002", "description_zh_html": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002
b^@starts_with(text,text)\u5426text\u5426textbool\n \u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c\u7b2c\u00a037.14\u00a0\u8282\u3002\n
\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
\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
"}, "summary": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002", "version": "12", "link_map": {"/zh/docs/12/xoper.html": "/docs/12/xoper.html", "/zh/docs/12/sql-createoperator.html": "/docs/12/sql-createoperator.html", "/zh/docs/12/catalog-pg-operator.html": "/docs/12/catalog-pg-operator.html"}, "body_html": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002
b^@starts_with(text,text)\u5426text\u5426textbool\n \u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c\u7b2c\u00a037.14\u00a0\u8282\u3002\n
\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
\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
", "body_sha256": "e512660d95bd462a2f46852e0dd59b7194479b6cb917e9f241e05605c4217ce0", "content_hash": "3c2e50a12d2838181d32e3db69b6248ffb2c1ef1586fb64863649cb79e993347", "source_database": "center", "source_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "signature": "^@(text,text) \u2192 bool", "tables_zh": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-spgist-text_ops/?v=12", "text": "text_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=12", "text": "SP-GiST"}, "purpose": "\u641c\u7d22", "strategy": "28", "sort_family": ""}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "source_oid": "3877", "description": ["\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002"], "memberships": [{"family": "text_ops", "method": "spgist", "purpose": "search", "operator": "^@(text,text)", "strategy": "28", "left_type": "text", "right_type": "text", "description": "starts with", "family_slug": "family-spgist-text_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-5e40-text-text", "sort_family_slug": ""}], "sections_zh": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 37.14 \u8282 \u3002", "\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/12/catalog-pg-amop.html", "method": "same-major semantic node", "sha256": "fb1485d72baa6293bbb9db509168fcb9e29aeb84d9eaa463046dffc10c6689ab", "language": "zh", "matched_nodes": ["#CATALOG-PG-AMOP/p[2]/em[1]"]}, {"url": "/docs/12/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "4a79b5202e1196d421bb3e2618f56796ef0b5c8fc2303cae3f9889c405e5236f", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]", "#CATALOG-PG-OPERATOR/p[5]"]}], "language": "zh", "original_text": {"/versions/12/description/0": "starts with", "/versions/12/facts/0/label": "Left operand", "/versions/12/facts/1/label": "Right operand", "/versions/12/facts/2/label": "Result type", "/versions/12/facts/3/label": "Implementing function", "/versions/12/facts/4/label": "Operator kind", "/versions/12/facts/5/label": "Hash join candidate", "/versions/12/facts/5/value": "no", "/versions/12/facts/6/label": "Merge join candidate", "/versions/12/facts/6/value": "no", "/versions/12/tables/0/title": "Declared operator-family membership", "/versions/12/related/0/label": "text data type", "/versions/12/related/1/label": "bool data type", "/versions/12/related/2/label": "spgist/text_ops family", "/versions/12/sections/0/title": "Catalog interpretation", "/versions/12/sections/0/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 37.14 for more information.", "/versions/12/sections/0/paragraphs/1": "Unused columns contain zeroes. For example, oprleft is zero for a prefix operator.", "/versions/12/tables/0/rows/0/purpose": "search", "/versions/12/tables/0/columns/0/label": "Index AM", "/versions/12/tables/0/columns/1/label": "Family", "/versions/12/tables/0/columns/2/label": "Strategy", "/versions/12/tables/0/columns/3/label": "Purpose", "/versions/12/tables/0/columns/4/label": "Ordering family"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "022c612d9b867edf54c7d6d22284378f7de43f5d8ea03269cb51e45c76794bd2", "canonical_center_text_hash": "3c2e50a12d2838181d32e3db69b6248ffb2c1ef1586fb64863649cb79e993347"}, "description_zh": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "^@", "negator": "", "function": "starts_with(text,text)", "hash_join": "f", "left_type": "text", "commutator": "", "merge_join": "f", "right_type": "text", "result_type": "bool"}, "memberships": [{"family": "text_ops", "method": "spgist", "purpose": "search", "operator": "^@(text,text)", "strategy": "28", "left_type": "text", "right_type": "text", "sort_family": ""}]}, "comparison_hash": "4a2ff52c97c994a5e0b903a45e90f7858630794bb37b04de75dd11b366547593", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002
b^@starts_with(text,text)\u5426text\u5426textbool\n \u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c\u7b2c\u00a037.14\u00a0\u8282\u3002\n
\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
\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
"}, "13": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "starts_with(text,text)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-spgist-text_ops/?v=13", "text": "text_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=13", "text": "SP-GiST"}, "purpose": "\u641c\u7d22", "strategy": "28", "sort_family": ""}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "aliases": ["^@", "^@(text,text)"], "related": [{"url": "/wiki/type/text/?v=13", "label": "text \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/bool/?v=13", "label": "bool \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/opclass/family-spgist-text_ops/?v=13", "label": "spgist/text_ops \u5bb6\u65cf"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v13.23/postgresql-13.23.tar.bz2", "label": "13.23", "major": "13", "channel": "historical", "revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6", "source_sha256": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6", "manual_fingerprint": "2bbea71f4723fc9e4e58cfdb28368763f999de2800d45ade748f7c7546dfb9d3", "catalog_fingerprint": "df58d29b226fbb90326087233d7970032abdec1352373270449eeee324f84a35"}, "sources": [{"url": "https://ftp.postgresql.org/pub/source/v13.23/postgresql-13.23.tar.bz2", "label": "Matching PostgreSQL source archive", "sha256": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, {"url": "/docs/13/catalog-pg-operator.html", "path": "catalog-pg-operator.html", "label": "PostgreSQL 13 English manual: catalog-pg-operator.html", "sha256": "1a325d2fa41f711c0a7fa6b57e37e8e98a59f218e01112e0767c455c1b5818a1"}, {"url": "/docs/13/catalog-pg-amop.html", "path": "catalog-pg-amop.html", "label": "PostgreSQL 13 English manual: catalog-pg-amop.html", "sha256": "7a8e67f8dc59c305612c6d029fc8760c092f27203d5338c6db6c6d9b8aabc561"}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/13/catalog-pg-operator.html", "anchor": "", "locale": "zh-Hans", "version": "13", "build_id": 66, "page_key": "catalog-pg-operator.html", "extraction": "concept-introduction", "source_hash": "a953a87e505ef7011772f0f7fee1d4b3f3aa87988dbd06681afb0d42f04d59c4", "fragment_sha256": "9deaa0c9b4dba942fa5d70e6d150b80f86f25568750984ad78fe484949a8f577", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:a13a825c39f0268ef1cfe9137e283e38d0da73b2d7894f0733c7b26372a4f6a4", "translated_from_revision": null}, "body_sha256": "d663da1a7d762c47c984a1a1935263749c4eac83c74aff6ac4d91f4cd291ddfc", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "starts_with(text,text)"}, {"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": "starts_with(text,text)", "hash_join": "f", "left_type": "text", "commutator": "", "merge_join": "f", "right_type": "text", "result_type": "bool"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 37.14 \u8282 \u3002", "\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002"]}], "center_zh": {"title": "^@(text,text)", "locale": "zh-Hans", "source": {"key": "op-5e40-text-text", "locale": "zh-Hans", "version": "13", "text_hash": "725109e6d4d208491112f7013a6bb0726101d1aae747ee9a5dd8e084a9cf4c5a", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "starts_with(text,text)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-spgist-text_ops/?v=13", "text": "text_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=13", "text": "SP-GiST"}, "purpose": "\u641c\u7d22", "strategy": "28", "sort_family": ""}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/13/catalog-pg-operator.html", "anchor": "", "locale": "zh-Hans", "version": "13", "build_id": 66, "page_key": "catalog-pg-operator.html", "extraction": "concept-introduction", "source_hash": "a953a87e505ef7011772f0f7fee1d4b3f3aa87988dbd06681afb0d42f04d59c4", "fragment_sha256": "9deaa0c9b4dba942fa5d70e6d150b80f86f25568750984ad78fe484949a8f577", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:a13a825c39f0268ef1cfe9137e283e38d0da73b2d7894f0733c7b26372a4f6a4", "translated_from_revision": null}, "body_sha256": "d663da1a7d762c47c984a1a1935263749c4eac83c74aff6ac4d91f4cd291ddfc", "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": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002", "description_zh_html": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002
b^@starts_with(text,text)\u5426text\u5426textbool\n \u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c\u7b2c\u00a037.14\u00a0\u8282\u3002\n
\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
\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
"}, "summary": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\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": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002
b^@starts_with(text,text)\u5426text\u5426textbool\n \u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c\u7b2c\u00a037.14\u00a0\u8282\u3002\n
\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
\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
", "body_sha256": "a4320274b46587412742f99c91d0f193c9c792775b4c863ee51fb72dae2d1a09", "content_hash": "725109e6d4d208491112f7013a6bb0726101d1aae747ee9a5dd8e084a9cf4c5a", "source_database": "center", "source_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "signature": "^@(text,text) \u2192 bool", "tables_zh": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-spgist-text_ops/?v=13", "text": "text_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=13", "text": "SP-GiST"}, "purpose": "\u641c\u7d22", "strategy": "28", "sort_family": ""}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "source_oid": "3877", "description": ["\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002"], "memberships": [{"family": "text_ops", "method": "spgist", "purpose": "search", "operator": "^@(text,text)", "strategy": "28", "left_type": "text", "right_type": "text", "description": "starts with", "family_slug": "family-spgist-text_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-5e40-text-text", "sort_family_slug": ""}], "sections_zh": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 37.14 \u8282 \u3002", "\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/13/catalog-pg-amop.html", "method": "same-major semantic node", "sha256": "344df36a802a949f2a1e178d6708bf07012cd0daff6368987f59cab3023d2853", "language": "zh", "matched_nodes": ["#CATALOG-PG-AMOP/p[2]/em[1]"]}, {"url": "/docs/13/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "46fd38944eeaedaf5977bf7e555facfc61d03f97bee7df978680e2d60921724e", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]", "#CATALOG-PG-OPERATOR/p[5]"]}], "language": "zh", "original_text": {"/versions/13/description/0": "starts with", "/versions/13/facts/0/label": "Left operand", "/versions/13/facts/1/label": "Right operand", "/versions/13/facts/2/label": "Result type", "/versions/13/facts/3/label": "Implementing function", "/versions/13/facts/4/label": "Operator kind", "/versions/13/facts/5/label": "Hash join candidate", "/versions/13/facts/5/value": "no", "/versions/13/facts/6/label": "Merge join candidate", "/versions/13/facts/6/value": "no", "/versions/13/tables/0/title": "Declared operator-family membership", "/versions/13/related/0/label": "text data type", "/versions/13/related/1/label": "bool data type", "/versions/13/related/2/label": "spgist/text_ops family", "/versions/13/sections/0/title": "Catalog interpretation", "/versions/13/sections/0/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 37.14 for more information.", "/versions/13/sections/0/paragraphs/1": "Unused columns contain zeroes. For example, oprleft is zero for a prefix operator.", "/versions/13/tables/0/rows/0/purpose": "search", "/versions/13/tables/0/columns/0/label": "Index AM", "/versions/13/tables/0/columns/1/label": "Family", "/versions/13/tables/0/columns/2/label": "Strategy", "/versions/13/tables/0/columns/3/label": "Purpose", "/versions/13/tables/0/columns/4/label": "Ordering family"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "db33d7338e0b3f1e9f1a150c840aade14fbea92ea010f5d8d8864ecbc16ae8e7", "canonical_center_text_hash": "725109e6d4d208491112f7013a6bb0726101d1aae747ee9a5dd8e084a9cf4c5a"}, "description_zh": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "^@", "negator": "", "function": "starts_with(text,text)", "hash_join": "f", "left_type": "text", "commutator": "", "merge_join": "f", "right_type": "text", "result_type": "bool"}, "memberships": [{"family": "text_ops", "method": "spgist", "purpose": "search", "operator": "^@(text,text)", "strategy": "28", "left_type": "text", "right_type": "text", "sort_family": ""}]}, "comparison_hash": "4a2ff52c97c994a5e0b903a45e90f7858630794bb37b04de75dd11b366547593", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002
b^@starts_with(text,text)\u5426text\u5426textbool\n \u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c\u7b2c\u00a037.14\u00a0\u8282\u3002\n
\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
\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
"}, "14": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "starts_with(text,text)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-spgist-text_ops/?v=14", "text": "text_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=14", "text": "SP-GiST"}, "purpose": "\u641c\u7d22", "strategy": "28", "sort_family": ""}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "aliases": ["^@", "^@(text,text)"], "related": [{"url": "/wiki/type/text/?v=14", "label": "text \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/bool/?v=14", "label": "bool \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/opclass/family-spgist-text_ops/?v=14", "label": "spgist/text_ops \u5bb6\u65cf"}], "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": "37413b7ef4a9fcef9a11c2e0f6abae3833aa0dcc2dfe56a4355dd492fb0f7040", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "starts_with(text,text)"}, {"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": "starts_with(text,text)", "hash_join": "f", "left_type": "text", "commutator": "", "merge_join": "f", "right_type": "text", "result_type": "bool"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 38.14 \u8282 \u3002"]}], "center_zh": {"title": "^@(text,text)", "locale": "zh-Hans", "source": {"key": "op-5e40-text-text", "locale": "zh-Hans", "version": "14", "text_hash": "130b39d00b1ce5332c170f9049d8dd47c2cd87147cefc36b47af31558d893ff8", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "starts_with(text,text)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-spgist-text_ops/?v=14", "text": "text_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=14", "text": "SP-GiST"}, "purpose": "\u641c\u7d22", "strategy": "28", "sort_family": ""}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/14/catalog-pg-operator.html", "anchor": "", "locale": "zh-Hans", "version": "14", "build_id": 99, "page_key": "catalog-pg-operator.html", "extraction": "concept-introduction", "source_hash": "7b43aa001c59590aa12f98efc5a136c1c69f558905b4779d8f4c2359236b9933", "fragment_sha256": "c7c37ee2fc9ea001cbdd3723fd63b2356bc4f97e3dd6f7b8a5e932e002a8e23b", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:87e6aa4fd6e1ec85c5f4a6de4f5647cfd9e5de734ca2c266d32b6d6192c662ef", "translated_from_revision": null}, "body_sha256": "37413b7ef4a9fcef9a11c2e0f6abae3833aa0dcc2dfe56a4355dd492fb0f7040", "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": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002", "description_zh_html": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002
b^@starts_with(text,text)\u5426text\u5426textbool\n \u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c\u7b2c\u00a038.14\u00a0\u8282\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
\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
"}, "summary": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\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": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002
b^@starts_with(text,text)\u5426text\u5426textbool\n \u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c\u7b2c\u00a038.14\u00a0\u8282\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
\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
", "body_sha256": "fcd3a5385bcb00ff4da50da25d3e14516dca186450066adaac3378eb2f163487", "content_hash": "130b39d00b1ce5332c170f9049d8dd47c2cd87147cefc36b47af31558d893ff8", "source_database": "center", "source_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "signature": "^@(text,text) \u2192 bool", "tables_zh": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-spgist-text_ops/?v=14", "text": "text_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=14", "text": "SP-GiST"}, "purpose": "\u641c\u7d22", "strategy": "28", "sort_family": ""}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "source_oid": "3877", "description": ["\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002"], "memberships": [{"family": "text_ops", "method": "spgist", "purpose": "search", "operator": "^@(text,text)", "strategy": "28", "left_type": "text", "right_type": "text", "description": "starts with", "family_slug": "family-spgist-text_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-5e40-text-text", "sort_family_slug": ""}], "sections_zh": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 38.14 \u8282 \u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/14/catalog-pg-amop.html", "method": "same-major semantic node", "sha256": "2b8fdc15654f6701ab77bdf068a2c3b50cadd8da3bce8f385811b4193b4952b4", "language": "zh", "matched_nodes": ["#CATALOG-PG-AMOP/p[2]/em[1]"]}, {"url": "/docs/14/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "77531e62ed30180fca3990f31ecee43d1a140f3a459c18583e5158aa4b41435a", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}], "language": "zh", "original_text": {"/versions/14/description/0": "starts with", "/versions/14/facts/0/label": "Left operand", "/versions/14/facts/1/label": "Right operand", "/versions/14/facts/2/label": "Result type", "/versions/14/facts/3/label": "Implementing function", "/versions/14/facts/4/label": "Operator kind", "/versions/14/facts/5/label": "Hash join candidate", "/versions/14/facts/5/value": "no", "/versions/14/facts/6/label": "Merge join candidate", "/versions/14/facts/6/value": "no", "/versions/14/tables/0/title": "Declared operator-family membership", "/versions/14/related/0/label": "text data type", "/versions/14/related/1/label": "bool data type", "/versions/14/related/2/label": "spgist/text_ops family", "/versions/14/sections/0/title": "Catalog interpretation", "/versions/14/sections/0/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 38.14 for more information.", "/versions/14/tables/0/rows/0/purpose": "search", "/versions/14/tables/0/columns/0/label": "Index AM", "/versions/14/tables/0/columns/1/label": "Family", "/versions/14/tables/0/columns/2/label": "Strategy", "/versions/14/tables/0/columns/3/label": "Purpose", "/versions/14/tables/0/columns/4/label": "Ordering family"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "84ea03d50e0516e06d52918c7441cc5d0127dae1536ce58db2a9f4a5a2ac9bcb", "canonical_center_text_hash": "130b39d00b1ce5332c170f9049d8dd47c2cd87147cefc36b47af31558d893ff8"}, "description_zh": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "^@", "negator": "", "function": "starts_with(text,text)", "hash_join": "f", "left_type": "text", "commutator": "", "merge_join": "f", "right_type": "text", "result_type": "bool"}, "memberships": [{"family": "text_ops", "method": "spgist", "purpose": "search", "operator": "^@(text,text)", "strategy": "28", "left_type": "text", "right_type": "text", "sort_family": ""}]}, "comparison_hash": "4a2ff52c97c994a5e0b903a45e90f7858630794bb37b04de75dd11b366547593", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002
b^@starts_with(text,text)\u5426text\u5426textbool\n \u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c\u7b2c\u00a038.14\u00a0\u8282\u3002\n
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
\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
"}, "15": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "starts_with(text,text)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-spgist-text_ops/?v=15", "text": "text_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=15", "text": "SP-GiST"}, "purpose": "\u641c\u7d22", "strategy": "28", "sort_family": ""}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "aliases": ["^@", "^@(text,text)"], "related": [{"url": "/wiki/type/text/?v=15", "label": "text \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/bool/?v=15", "label": "bool \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/opclass/family-spgist-text_ops/?v=15", "label": "spgist/text_ops \u5bb6\u65cf"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v15.19/postgresql-15.19.tar.bz2", "label": "15.19", "major": "15", "channel": "stable", "revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89", "source_sha256": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89", "manual_fingerprint": "f39c61e9facb5b9404c7d6d1cf494d83af0cc46146554a7fc40724eb882d24a9", "catalog_fingerprint": "1c332a5ccec7bfdd8ca19b55a0279b5bd6cb1dd5dcc6c5587a98a491a9b566a5"}, "sources": [{"url": "https://ftp.postgresql.org/pub/source/v15.19/postgresql-15.19.tar.bz2", "label": "Matching PostgreSQL source archive", "sha256": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, {"url": "/docs/15/catalog-pg-operator.html", "path": "catalog-pg-operator.html", "label": "PostgreSQL 15 English manual: catalog-pg-operator.html", "sha256": "3719563ca7bb28791116cb206b9998cd336d09fb4d4cc4a236b6447bcfd5cbb2"}, {"url": "/docs/15/catalog-pg-amop.html", "path": "catalog-pg-amop.html", "label": "PostgreSQL 15 English manual: catalog-pg-amop.html", "sha256": "53ced8770f19710869151ab02a9a6f0d97380981ca4bfe83752092bfb74a9e0c"}, {"url": "/docs/15/functions-string.html#FUNCTIONS-STRING-OTHER", "path": "functions-string.html", "label": "PostgreSQL 15 English manual: functions-string.html", "sha256": "57422f70e7c4bd55d862b6cb439ecb8cbffc7b9aea02cfc2e5ef61bdaf7a4c03"}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/15/functions-string.html#FUNCTIONS-STRING-OTHER", "anchor": "FUNCTIONS-STRING-OTHER", "locale": "zh-Hans", "version": "15", "build_id": 101, "page_key": "functions-string.html", "extraction": "concept-introduction", "source_hash": "552326bca599f61e08f43fc944fc5c8a2f34d095026cda26067ddf0209fd05a1", "fragment_sha256": "4b514670e26e68d728243ab9ac3c30448532aeab3dbc798b471633d5ba0e91dd", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:6bce1a2df9170cb1146a1411c5547190856638221a6539e618ee1016c9f493ad", "translated_from_revision": null}, "body_sha256": "2130dd7c767e4a02edf138e2da6736abb6ac23dc01db1c1a686a60139b69361e", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "starts_with(text,text)"}, {"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": "starts_with(text,text)", "hash_join": "f", "left_type": "text", "commutator": "", "merge_join": "f", "right_type": "text", "result_type": "bool"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u5982\u679c\u7b2c\u4e00\u4e2a\u5b57\u7b26\u4e32\u4ee5\u7b2c\u4e8c\u4e2a\u5b57\u7b26\u4e32\u5f00\u5934\uff0c\u5219\u8fd4\u56detrue\uff08\u7b49\u540c\u4e8e starts_with() \u51fd\u6570\uff09\u3002", "'alphabet' ^@ 'alph' \u2192 t"]}, {"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": "^@(text,text)", "locale": "zh-Hans", "source": {"key": "op-5e40-text-text", "locale": "zh-Hans", "version": "15", "text_hash": "97231bca53d9892c2d13b3f1e35e953602a13fd1a9fa8461a08ba180e59ecbb5", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "starts_with(text,text)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-spgist-text_ops/?v=15", "text": "text_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=15", "text": "SP-GiST"}, "purpose": "\u641c\u7d22", "strategy": "28", "sort_family": ""}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/15/functions-string.html#FUNCTIONS-STRING-OTHER", "anchor": "FUNCTIONS-STRING-OTHER", "locale": "zh-Hans", "version": "15", "build_id": 101, "page_key": "functions-string.html", "extraction": "concept-introduction", "source_hash": "552326bca599f61e08f43fc944fc5c8a2f34d095026cda26067ddf0209fd05a1", "fragment_sha256": "4b514670e26e68d728243ab9ac3c30448532aeab3dbc798b471633d5ba0e91dd", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:6bce1a2df9170cb1146a1411c5547190856638221a6539e618ee1016c9f493ad", "translated_from_revision": null}, "body_sha256": "2130dd7c767e4a02edf138e2da6736abb6ac23dc01db1c1a686a60139b69361e", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u5982\u679c\u7b2c\u4e00\u4e2a\u5b57\u7b26\u4e32\u4ee5\u7b2c\u4e8c\u4e2a\u5b57\u7b26\u4e32\u5f00\u5934\uff0c\u5219\u8fd4\u56detrue\uff08\u7b49\u540c\u4e8e starts_with() \u51fd\u6570\uff09\u3002", "'alphabet' ^@ 'alph' \u2192 t"]}, {"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": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002", "description_zh_html": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002
b^@starts_with(text,text)\u5426text\u5426textbool\u8868\u00a09.10.\u00a0\u5176\u4ed6\u5b57\u7b26\u4e32\u51fd\u6570\u548c\u64cd\u4f5c\u7b26
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
\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
"}, "summary": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002", "version": "15", "link_map": {"/zh/docs/15/functions-string.html#FUNCTIONS-STRING-OTHER": "/docs/15/functions-string.html#FUNCTIONS-STRING-OTHER"}, "body_html": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002
b^@starts_with(text,text)\u5426text\u5426textbool\u8868\u00a09.10.\u00a0\u5176\u4ed6\u5b57\u7b26\u4e32\u51fd\u6570\u548c\u64cd\u4f5c\u7b26
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
\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
", "body_sha256": "93cde5156478322eb16ef169902ac9b7265ff898c9282fbb4a130b825b982904", "content_hash": "97231bca53d9892c2d13b3f1e35e953602a13fd1a9fa8461a08ba180e59ecbb5", "source_database": "center", "source_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "signature": "^@(text,text) \u2192 bool", "tables_zh": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-spgist-text_ops/?v=15", "text": "text_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=15", "text": "SP-GiST"}, "purpose": "\u641c\u7d22", "strategy": "28", "sort_family": ""}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "source_oid": "3877", "description": ["\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002"], "memberships": [{"family": "text_ops", "method": "spgist", "purpose": "search", "operator": "^@(text,text)", "strategy": "28", "left_type": "text", "right_type": "text", "description": "starts with", "family_slug": "family-spgist-text_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-5e40-text-text", "sort_family_slug": ""}], "sections_zh": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u5982\u679c\u7b2c\u4e00\u4e2a\u5b57\u7b26\u4e32\u4ee5\u7b2c\u4e8c\u4e2a\u5b57\u7b26\u4e32\u5f00\u5934\uff0c\u5219\u8fd4\u56detrue\uff08\u7b49\u540c\u4e8e starts_with() \u51fd\u6570\uff09\u3002", "'alphabet' ^@ 'alph' \u2192 t"]}, {"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 38.14 \u8282 \u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/15/catalog-pg-amop.html", "method": "same-major semantic node", "sha256": "722b907f43f8178f67214192f7587c04c86bbab3759c44150d611dead287836f", "language": "zh", "matched_nodes": ["#CATALOG-PG-AMOP/p[2]/em[1]"]}, {"url": "/docs/15/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "4865734bda46f48a054c1c554b2ff262358a48b562081c1f01a178a6df15e38b", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}, {"url": "/docs/15/functions-string.html", "method": "same-major semantic node", "sha256": "fc3946851e4a83299977da4f82b67cd1020a7feff303c0d9d1aa429a86b9a6f7", "language": "zh", "matched_nodes": ["#FUNCTIONS-STRING/div[8]/div[1]/table[0]/tbody[2]/tr[0]/td[0]/p[1]"]}], "language": "zh", "original_text": {"/versions/15/description/0": "starts with", "/versions/15/facts/0/label": "Left operand", "/versions/15/facts/1/label": "Right operand", "/versions/15/facts/2/label": "Result type", "/versions/15/facts/3/label": "Implementing function", "/versions/15/facts/4/label": "Operator kind", "/versions/15/facts/5/label": "Hash join candidate", "/versions/15/facts/5/value": "no", "/versions/15/facts/6/label": "Merge join candidate", "/versions/15/facts/6/value": "no", "/versions/15/tables/0/title": "Declared operator-family membership", "/versions/15/related/0/label": "text data type", "/versions/15/related/1/label": "bool data type", "/versions/15/related/2/label": "spgist/text_ops family", "/versions/15/sections/0/title": "English manual definition", "/versions/15/sections/1/title": "Catalog interpretation", "/versions/15/sections/0/paragraphs/0": "Returns true if the first string starts with the second string (equivalent to the starts_with() function).", "/versions/15/sections/1/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 38.14 for more information.", "/versions/15/tables/0/rows/0/purpose": "search", "/versions/15/tables/0/columns/0/label": "Index AM", "/versions/15/tables/0/columns/1/label": "Family", "/versions/15/tables/0/columns/2/label": "Strategy", "/versions/15/tables/0/columns/3/label": "Purpose", "/versions/15/tables/0/columns/4/label": "Ordering family"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "cd3887fff607e4eeaa3ff5c866747aa0b2b3b08437cf521ed25e8ec948e3ad81", "canonical_center_text_hash": "97231bca53d9892c2d13b3f1e35e953602a13fd1a9fa8461a08ba180e59ecbb5"}, "description_zh": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "^@", "negator": "", "function": "starts_with(text,text)", "hash_join": "f", "left_type": "text", "commutator": "", "merge_join": "f", "right_type": "text", "result_type": "bool"}, "memberships": [{"family": "text_ops", "method": "spgist", "purpose": "search", "operator": "^@(text,text)", "strategy": "28", "left_type": "text", "right_type": "text", "sort_family": ""}]}, "comparison_hash": "4a2ff52c97c994a5e0b903a45e90f7858630794bb37b04de75dd11b366547593", "manual_language": "zh", "manual_semantics": "Exact operand/result signature matched", "description_zh_html": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002
b^@starts_with(text,text)\u5426text\u5426textbool\u8868\u00a09.10.\u00a0\u5176\u4ed6\u5b57\u7b26\u4e32\u51fd\u6570\u548c\u64cd\u4f5c\u7b26
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
\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
"}, "16": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "starts_with(text,text)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-spgist-text_ops/?v=16", "text": "text_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=16", "text": "SP-GiST"}, "purpose": "\u641c\u7d22", "strategy": "28", "sort_family": ""}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "aliases": ["^@", "^@(text,text)"], "related": [{"url": "/wiki/type/text/?v=16", "label": "text \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/bool/?v=16", "label": "bool \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/opclass/family-spgist-text_ops/?v=16", "label": "spgist/text_ops \u5bb6\u65cf"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v16.15/postgresql-16.15.tar.bz2", "label": "16.15", "major": "16", "channel": "stable", "revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed", "source_sha256": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed", "manual_fingerprint": "846fb006e9d590387203c1c65f671240bc5c30604c4e3084cf572817aacc19d0", "catalog_fingerprint": "70797d889dd8aeed77ae81092f99ab380e1109b54b0b7ca6fbf400e0a2111a70"}, "sources": [{"url": "https://ftp.postgresql.org/pub/source/v16.15/postgresql-16.15.tar.bz2", "label": "Matching PostgreSQL source archive", "sha256": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, {"url": "/docs/16/catalog-pg-operator.html", "path": "catalog-pg-operator.html", "label": "PostgreSQL 16 English manual: catalog-pg-operator.html", "sha256": "dc789ccf76b6bcbb9b1793858fe700431720a1e70f3261de2b3362ed78040476"}, {"url": "/docs/16/catalog-pg-amop.html", "path": "catalog-pg-amop.html", "label": "PostgreSQL 16 English manual: catalog-pg-amop.html", "sha256": "f580ac4a34d5f9d567834684e0c41b7df32a952e20a2fc11a9ce0964c2df7e9a"}, {"url": "/docs/16/functions-string.html#FUNCTIONS-STRING-OTHER", "path": "functions-string.html", "label": "PostgreSQL 16 English manual: functions-string.html", "sha256": "607e43a5941ccd914de1f59fe3e986786192d669eede87f39d11c6bb608831a6"}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/16/functions-string.html#FUNCTIONS-STRING-OTHER", "anchor": "FUNCTIONS-STRING-OTHER", "locale": "zh-Hans", "version": "16", "build_id": 103, "page_key": "functions-string.html", "extraction": "concept-introduction", "source_hash": "7e666173383b36049be193c5393ec3f9c1e94b559c526cd5636cc025489f2e4c", "fragment_sha256": "4b514670e26e68d728243ab9ac3c30448532aeab3dbc798b471633d5ba0e91dd", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:80579a071736780f9c4022bb5148e1fb1256f1a33591306af67816e9e9bf3a9b", "translated_from_revision": null}, "body_sha256": "8d4ca6ae8f0272ed29ae321e78e8e7ac75ee155779e0ba9cc978d55cf8359d15", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "starts_with(text,text)"}, {"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": "starts_with(text,text)", "hash_join": "f", "left_type": "text", "commutator": "", "merge_join": "f", "right_type": "text", "result_type": "bool"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u5982\u679c\u7b2c\u4e00\u4e2a\u5b57\u7b26\u4e32\u4ee5\u7b2c\u4e8c\u4e2a\u5b57\u7b26\u4e32\u5f00\u5934\uff0c\u5219\u8fd4\u56detrue\uff08\u7b49\u540c\u4e8e starts_with() \u51fd\u6570\uff09\u3002", "'alphabet' ^@ 'alph' \u2192 t"]}, {"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": "^@(text,text)", "locale": "zh-Hans", "source": {"key": "op-5e40-text-text", "locale": "zh-Hans", "version": "16", "text_hash": "655182d92c5d230a1c0785f28e61be51cc477b8080382eab8d1dc0f288a87488", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "starts_with(text,text)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-spgist-text_ops/?v=16", "text": "text_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=16", "text": "SP-GiST"}, "purpose": "\u641c\u7d22", "strategy": "28", "sort_family": ""}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/16/functions-string.html#FUNCTIONS-STRING-OTHER", "anchor": "FUNCTIONS-STRING-OTHER", "locale": "zh-Hans", "version": "16", "build_id": 103, "page_key": "functions-string.html", "extraction": "concept-introduction", "source_hash": "7e666173383b36049be193c5393ec3f9c1e94b559c526cd5636cc025489f2e4c", "fragment_sha256": "4b514670e26e68d728243ab9ac3c30448532aeab3dbc798b471633d5ba0e91dd", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:80579a071736780f9c4022bb5148e1fb1256f1a33591306af67816e9e9bf3a9b", "translated_from_revision": null}, "body_sha256": "8d4ca6ae8f0272ed29ae321e78e8e7ac75ee155779e0ba9cc978d55cf8359d15", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u5982\u679c\u7b2c\u4e00\u4e2a\u5b57\u7b26\u4e32\u4ee5\u7b2c\u4e8c\u4e2a\u5b57\u7b26\u4e32\u5f00\u5934\uff0c\u5219\u8fd4\u56detrue\uff08\u7b49\u540c\u4e8e starts_with() \u51fd\u6570\uff09\u3002", "'alphabet' ^@ 'alph' \u2192 t"]}, {"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": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002", "description_zh_html": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002
b^@starts_with(text,text)\u5426text\u5426textbool\u8868\u00a09.10.\u00a0\u5176\u4ed6\u5b57\u7b26\u4e32\u51fd\u6570\u548c\u64cd\u4f5c\u7b26
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
\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
"}, "summary": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002", "version": "16", "link_map": {"/zh/docs/16/functions-string.html#FUNCTIONS-STRING-OTHER": "/docs/16/functions-string.html#FUNCTIONS-STRING-OTHER"}, "body_html": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002
b^@starts_with(text,text)\u5426text\u5426textbool\u8868\u00a09.10.\u00a0\u5176\u4ed6\u5b57\u7b26\u4e32\u51fd\u6570\u548c\u64cd\u4f5c\u7b26
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
\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
", "body_sha256": "9210cd6d224378370fe367916cb83eb4a182279a6945ebd99ee000dec51c08bb", "content_hash": "655182d92c5d230a1c0785f28e61be51cc477b8080382eab8d1dc0f288a87488", "source_database": "center", "source_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "signature": "^@(text,text) \u2192 bool", "tables_zh": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-spgist-text_ops/?v=16", "text": "text_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=16", "text": "SP-GiST"}, "purpose": "\u641c\u7d22", "strategy": "28", "sort_family": ""}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "source_oid": "3877", "description": ["\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002"], "memberships": [{"family": "text_ops", "method": "spgist", "purpose": "search", "operator": "^@(text,text)", "strategy": "28", "left_type": "text", "right_type": "text", "description": "starts with", "family_slug": "family-spgist-text_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-5e40-text-text", "sort_family_slug": ""}], "sections_zh": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u5982\u679c\u7b2c\u4e00\u4e2a\u5b57\u7b26\u4e32\u4ee5\u7b2c\u4e8c\u4e2a\u5b57\u7b26\u4e32\u5f00\u5934\uff0c\u5219\u8fd4\u56detrue\uff08\u7b49\u540c\u4e8e starts_with() \u51fd\u6570\uff09\u3002", "'alphabet' ^@ 'alph' \u2192 t"]}, {"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 38.14 \u8282 \u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/16/catalog-pg-amop.html", "method": "same-major semantic node", "sha256": "704b1a6817cd451566b69b08f4210b2fb192934810322e22cb9a2980f7d93af4", "language": "zh", "matched_nodes": ["#CATALOG-PG-AMOP/p[2]/em[1]"]}, {"url": "/docs/16/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "ff2395afae4eb19cedbcb0acbd87a844078e82ba0722c2dbe9e7fa0c4c6503d4", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}, {"url": "/docs/16/functions-string.html", "method": "same-major semantic node", "sha256": "04f15c20c2de29eca142a8c8137351154942eb383ac7ec289111a52eba9ee9d3", "language": "zh", "matched_nodes": ["#FUNCTIONS-STRING/div[8]/div[1]/table[0]/tbody[2]/tr[0]/td[0]/p[1]"]}, {"url": "/docs/16/protocol-overview.html", "method": "same-major semantic node", "sha256": "44bc52e9e7ea6a128300584836e839d6a6b6b161cadff330571034de65b26ac1", "language": "zh", "matched_nodes": ["#PROTOCOL-OVERVIEW/div[9]/p[1]/span[2]/span[0]"]}], "language": "zh", "original_text": {"/versions/16/description/0": "starts with", "/versions/16/facts/0/label": "Left operand", "/versions/16/facts/0/value": "text", "/versions/16/facts/1/label": "Right operand", "/versions/16/facts/1/value": "text", "/versions/16/facts/2/label": "Result type", "/versions/16/facts/3/label": "Implementing function", "/versions/16/facts/4/label": "Operator kind", "/versions/16/facts/5/label": "Hash join candidate", "/versions/16/facts/5/value": "no", "/versions/16/facts/6/label": "Merge join candidate", "/versions/16/facts/6/value": "no", "/versions/16/tables/0/title": "Declared operator-family membership", "/versions/16/related/0/label": "text data type", "/versions/16/related/1/label": "bool data type", "/versions/16/related/2/label": "spgist/text_ops family", "/versions/16/sections/0/title": "English manual definition", "/versions/16/sections/1/title": "Catalog interpretation", "/versions/16/sections/0/paragraphs/0": "Returns true if the first string starts with the second string (equivalent to the starts_with() function).", "/versions/16/sections/1/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 38.14 for more information.", "/versions/16/tables/0/rows/0/purpose": "search", "/versions/16/tables/0/columns/0/label": "Index AM", "/versions/16/tables/0/columns/1/label": "Family", "/versions/16/tables/0/columns/2/label": "Strategy", "/versions/16/tables/0/columns/3/label": "Purpose", "/versions/16/tables/0/columns/4/label": "Ordering family"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "af0e19953b93bcadf7df9ffabb48e90bb229c8ceec70f1cc32b942c9d7835f03", "canonical_center_text_hash": "655182d92c5d230a1c0785f28e61be51cc477b8080382eab8d1dc0f288a87488"}, "description_zh": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "^@", "negator": "", "function": "starts_with(text,text)", "hash_join": "f", "left_type": "text", "commutator": "", "merge_join": "f", "right_type": "text", "result_type": "bool"}, "memberships": [{"family": "text_ops", "method": "spgist", "purpose": "search", "operator": "^@(text,text)", "strategy": "28", "left_type": "text", "right_type": "text", "sort_family": ""}]}, "comparison_hash": "4a2ff52c97c994a5e0b903a45e90f7858630794bb37b04de75dd11b366547593", "manual_language": "zh", "manual_semantics": "Exact operand/result signature matched", "description_zh_html": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002
b^@starts_with(text,text)\u5426text\u5426textbool\u8868\u00a09.10.\u00a0\u5176\u4ed6\u5b57\u7b26\u4e32\u51fd\u6570\u548c\u64cd\u4f5c\u7b26
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
\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
"}, "17": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "starts_with(text,text)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-spgist-text_ops/?v=17", "text": "text_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=17", "text": "SP-GiST"}, "purpose": "\u641c\u7d22", "strategy": "28", "sort_family": ""}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "aliases": ["^@", "^@(text,text)"], "related": [{"url": "/wiki/type/text/?v=17", "label": "text \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/bool/?v=17", "label": "bool \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/opclass/family-spgist-text_ops/?v=17", "label": "spgist/text_ops \u5bb6\u65cf"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v17.11/postgresql-17.11.tar.bz2", "label": "17.11", "major": "17", "channel": "stable", "revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979", "source_sha256": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979", "manual_fingerprint": "b55870f8e80e1114a92ac7bfc97f4a6fa0dee8e75935895252bb6e5b866cf187", "catalog_fingerprint": "e888e3474202df1c60a8e7b6bf9f2d83b3866a52d119521659b7a82787d3829d"}, "sources": [{"url": "https://ftp.postgresql.org/pub/source/v17.11/postgresql-17.11.tar.bz2", "label": "Matching PostgreSQL source archive", "sha256": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, {"url": "/docs/17/catalog-pg-operator.html", "path": "catalog-pg-operator.html", "label": "PostgreSQL 17 English manual: catalog-pg-operator.html", "sha256": "a66984c4fde91649a9677d33a2e002381cb07e99d72ad0971fa3251741030a69"}, {"url": "/docs/17/catalog-pg-amop.html", "path": "catalog-pg-amop.html", "label": "PostgreSQL 17 English manual: catalog-pg-amop.html", "sha256": "19b2fb110b348860f7fbcb6e0e0544e341f5645113c23f50920a54434d432359"}, {"url": "/docs/17/functions-string.html#FUNCTIONS-STRING-OTHER", "path": "functions-string.html", "label": "PostgreSQL 17 English manual: functions-string.html", "sha256": "c6770a5ede702cc2c80fbe2ac6a265f725e26d6706d32ba70a13868f0914bbfd"}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/17/functions-string.html#FUNCTIONS-STRING-OTHER", "anchor": "FUNCTIONS-STRING-OTHER", "locale": "zh-Hans", "version": "17", "build_id": 105, "page_key": "functions-string.html", "extraction": "concept-introduction", "source_hash": "d9ad22d323b4f9b43611bff8fa351d7c0f0dfda763c81816b00ab0b7ebf8a8c9", "fragment_sha256": "4b514670e26e68d728243ab9ac3c30448532aeab3dbc798b471633d5ba0e91dd", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:7340767258d21c21b36f373f1fff6bab2be18e0daca13a865129db6105c09efd", "translated_from_revision": null}, "body_sha256": "8e346a747a9c084bea6682552034211557418cc792b669e0635d3c02052021b5", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "starts_with(text,text)"}, {"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": "starts_with(text,text)", "hash_join": "f", "left_type": "text", "commutator": "", "merge_join": "f", "right_type": "text", "result_type": "bool"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u5982\u679c\u7b2c\u4e00\u4e2a\u5b57\u7b26\u4e32\u4ee5\u7b2c\u4e8c\u4e2a\u5b57\u7b26\u4e32\u5f00\u5934\uff0c\u5219\u8fd4\u56detrue\uff08\u7b49\u540c\u4e8e starts_with() \u51fd\u6570\uff09\u3002", "'alphabet' ^@ 'alph' \u2192 t"]}, {"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": "^@(text,text)", "locale": "zh-Hans", "source": {"key": "op-5e40-text-text", "locale": "zh-Hans", "version": "17", "text_hash": "a98370bb3b58f382d0eee24e3f1de97013853088b51d3afcefc3538e65a1dd6a", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "starts_with(text,text)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-spgist-text_ops/?v=17", "text": "text_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=17", "text": "SP-GiST"}, "purpose": "\u641c\u7d22", "strategy": "28", "sort_family": ""}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/17/functions-string.html#FUNCTIONS-STRING-OTHER", "anchor": "FUNCTIONS-STRING-OTHER", "locale": "zh-Hans", "version": "17", "build_id": 105, "page_key": "functions-string.html", "extraction": "concept-introduction", "source_hash": "d9ad22d323b4f9b43611bff8fa351d7c0f0dfda763c81816b00ab0b7ebf8a8c9", "fragment_sha256": "4b514670e26e68d728243ab9ac3c30448532aeab3dbc798b471633d5ba0e91dd", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:7340767258d21c21b36f373f1fff6bab2be18e0daca13a865129db6105c09efd", "translated_from_revision": null}, "body_sha256": "8e346a747a9c084bea6682552034211557418cc792b669e0635d3c02052021b5", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u5982\u679c\u7b2c\u4e00\u4e2a\u5b57\u7b26\u4e32\u4ee5\u7b2c\u4e8c\u4e2a\u5b57\u7b26\u4e32\u5f00\u5934\uff0c\u5219\u8fd4\u56detrue\uff08\u7b49\u540c\u4e8e starts_with() \u51fd\u6570\uff09\u3002", "'alphabet' ^@ 'alph' \u2192 t"]}, {"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": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002", "description_zh_html": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002
b^@starts_with(text,text)\u5426text\u5426textbool\u8868\u00a09.10.\u00a0\u5176\u4ed6\u5b57\u7b26\u4e32\u51fd\u6570\u548c\u64cd\u4f5c\u7b26
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
\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
"}, "summary": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002", "version": "17", "link_map": {"/zh/docs/17/functions-string.html#FUNCTIONS-STRING-OTHER": "/docs/17/functions-string.html#FUNCTIONS-STRING-OTHER"}, "body_html": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002
b^@starts_with(text,text)\u5426text\u5426textbool\u8868\u00a09.10.\u00a0\u5176\u4ed6\u5b57\u7b26\u4e32\u51fd\u6570\u548c\u64cd\u4f5c\u7b26
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
\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
", "body_sha256": "556c1033fdc19d11e65f5aa25f343d84c382fe2b2a37b686c6dfe0d11b22b6c9", "content_hash": "a98370bb3b58f382d0eee24e3f1de97013853088b51d3afcefc3538e65a1dd6a", "source_database": "center", "source_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "signature": "^@(text,text) \u2192 bool", "tables_zh": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-spgist-text_ops/?v=17", "text": "text_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=17", "text": "SP-GiST"}, "purpose": "\u641c\u7d22", "strategy": "28", "sort_family": ""}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "source_oid": "3877", "description": ["\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002"], "memberships": [{"family": "text_ops", "method": "spgist", "purpose": "search", "operator": "^@(text,text)", "strategy": "28", "left_type": "text", "right_type": "text", "description": "starts with", "family_slug": "family-spgist-text_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-5e40-text-text", "sort_family_slug": ""}], "sections_zh": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u5982\u679c\u7b2c\u4e00\u4e2a\u5b57\u7b26\u4e32\u4ee5\u7b2c\u4e8c\u4e2a\u5b57\u7b26\u4e32\u5f00\u5934\uff0c\u5219\u8fd4\u56detrue\uff08\u7b49\u540c\u4e8e starts_with() \u51fd\u6570\uff09\u3002", "'alphabet' ^@ 'alph' \u2192 t"]}, {"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/17/catalog-pg-amop.html", "method": "same-major semantic node", "sha256": "79658772dd07ff10c4a4a472853e5a9bcba832796f5f9d2c0c77a87da769e5f6", "language": "zh", "matched_nodes": ["#CATALOG-PG-AMOP/p[2]/em[1]"]}, {"url": "/docs/17/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "f83afaba592d4bb686da0579943b49e4c821b3df0a02b82c5fab86e1d168a26e", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}, {"url": "/docs/17/functions-string.html", "method": "same-major semantic node", "sha256": "54780ce605c8e0bc75064e24216c43e2c465fe476c6c24a71fb64e85cf9cf47d", "language": "zh", "matched_nodes": ["#FUNCTIONS-STRING/div[8]/div[1]/table[0]/tbody[2]/tr[0]/td[0]/p[1]"]}, {"url": "/docs/17/protocol-overview.html", "method": "same-major semantic node", "sha256": "de94711d992bef74aad52fe8a723d81aa9b37a606d96b711bf9faa999a7bb3f5", "language": "zh", "matched_nodes": ["#PROTOCOL-OVERVIEW/div[9]/p[1]/span[2]/span[0]"]}], "language": "zh", "original_text": {"/versions/17/description/0": "starts with", "/versions/17/facts/0/label": "Left operand", "/versions/17/facts/0/value": "text", "/versions/17/facts/1/label": "Right operand", "/versions/17/facts/1/value": "text", "/versions/17/facts/2/label": "Result type", "/versions/17/facts/3/label": "Implementing function", "/versions/17/facts/4/label": "Operator kind", "/versions/17/facts/5/label": "Hash join candidate", "/versions/17/facts/5/value": "no", "/versions/17/facts/6/label": "Merge join candidate", "/versions/17/facts/6/value": "no", "/versions/17/tables/0/title": "Declared operator-family membership", "/versions/17/related/0/label": "text data type", "/versions/17/related/1/label": "bool data type", "/versions/17/related/2/label": "spgist/text_ops family", "/versions/17/sections/0/title": "English manual definition", "/versions/17/sections/1/title": "Catalog interpretation", "/versions/17/sections/0/paragraphs/0": "Returns true if the first string starts with the second string (equivalent to the starts_with() function).", "/versions/17/sections/1/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 36.14 for more information.", "/versions/17/tables/0/rows/0/purpose": "search", "/versions/17/tables/0/columns/0/label": "Index AM", "/versions/17/tables/0/columns/1/label": "Family", "/versions/17/tables/0/columns/2/label": "Strategy", "/versions/17/tables/0/columns/3/label": "Purpose", "/versions/17/tables/0/columns/4/label": "Ordering family"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "5ee7b32d2a746aeb2ae1e7078fcb5a28d7a6158fd1d043fe5c00c033599aef13", "canonical_center_text_hash": "a98370bb3b58f382d0eee24e3f1de97013853088b51d3afcefc3538e65a1dd6a"}, "description_zh": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "^@", "negator": "", "function": "starts_with(text,text)", "hash_join": "f", "left_type": "text", "commutator": "", "merge_join": "f", "right_type": "text", "result_type": "bool"}, "memberships": [{"family": "text_ops", "method": "spgist", "purpose": "search", "operator": "^@(text,text)", "strategy": "28", "left_type": "text", "right_type": "text", "sort_family": ""}]}, "comparison_hash": "4a2ff52c97c994a5e0b903a45e90f7858630794bb37b04de75dd11b366547593", "manual_language": "zh", "manual_semantics": "Exact operand/result signature matched", "description_zh_html": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002
b^@starts_with(text,text)\u5426text\u5426textbool\u8868\u00a09.10.\u00a0\u5176\u4ed6\u5b57\u7b26\u4e32\u51fd\u6570\u548c\u64cd\u4f5c\u7b26
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
\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
"}, "18": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "starts_with(text,text)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-spgist-text_ops/?v=18", "text": "text_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=18", "text": "SP-GiST"}, "purpose": "\u641c\u7d22", "strategy": "28", "sort_family": ""}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "aliases": ["^@", "^@(text,text)"], "related": [{"url": "/wiki/type/text/?v=18", "label": "text \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/bool/?v=18", "label": "bool \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/opclass/family-spgist-text_ops/?v=18", "label": "spgist/text_ops \u5bb6\u65cf"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "label": "18.6", "major": "18", "channel": "stable", "revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f", "source_sha256": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f", "manual_fingerprint": "fefce9e478eb2afe5e17e869492bbedc67dce23d317f0a5257240113d6496ebc", "catalog_fingerprint": "deec62e0f0c649d9d0d058ddd0b16bf41afffd569c3fd73949ff0971ce5cabd6"}, "sources": [{"url": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "label": "Matching PostgreSQL source archive", "sha256": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, {"url": "/docs/18/catalog-pg-operator.html", "path": "catalog-pg-operator.html", "label": "PostgreSQL 18 English manual: catalog-pg-operator.html", "sha256": "e0b1817914e5e8f9037955cd41e9a43584e9227fcc115784898ecdd9a6c0ecd6"}, {"url": "/docs/18/catalog-pg-amop.html", "path": "catalog-pg-amop.html", "label": "PostgreSQL 18 English manual: catalog-pg-amop.html", "sha256": "e65b90ee78eaf4b4da97ce5b08b972cee2e2660b882ec107be22eca47201f7d1"}, {"url": "/docs/18/functions-string.html#FUNCTIONS-STRING-OTHER", "path": "functions-string.html", "label": "PostgreSQL 18 English manual: functions-string.html", "sha256": "eb74cd80615135c0426a0b994588d43c65ebbce7f7753b7fe94ffe36381d7138"}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/18/functions-string.html#FUNCTIONS-STRING-OTHER", "anchor": "FUNCTIONS-STRING-OTHER", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "functions-string.html", "extraction": "concept-introduction", "source_hash": "0446377e0eccc9299099dc4b4b293204c337e3abefcdc396e9698bc54dd1080b", "fragment_sha256": "4b514670e26e68d728243ab9ac3c30448532aeab3dbc798b471633d5ba0e91dd", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "1104612fc89b51a362c55ed0b1b697640ba3b5359888729ac7adfe7034412ef1", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "starts_with(text,text)"}, {"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": "starts_with(text,text)", "hash_join": "f", "left_type": "text", "commutator": "", "merge_join": "f", "right_type": "text", "result_type": "bool"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u5982\u679c\u7b2c\u4e00\u4e2a\u5b57\u7b26\u4e32\u4ee5\u7b2c\u4e8c\u4e2a\u5b57\u7b26\u4e32\u5f00\u5934\uff0c\u5219\u8fd4\u56detrue\uff08\u7b49\u540c\u4e8e starts_with() \u51fd\u6570\uff09\u3002", "'alphabet' ^@ 'alph' \u2192 t"]}, {"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": "^@(text,text)", "locale": "zh-Hans", "source": {"key": "op-5e40-text-text", "locale": "zh-Hans", "version": "18", "text_hash": "3dd1cdb64f33c043550ed5597146e3d0f97da4768c768978856c7ecf56c8940d", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "starts_with(text,text)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-spgist-text_ops/?v=18", "text": "text_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=18", "text": "SP-GiST"}, "purpose": "\u641c\u7d22", "strategy": "28", "sort_family": ""}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/18/functions-string.html#FUNCTIONS-STRING-OTHER", "anchor": "FUNCTIONS-STRING-OTHER", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "functions-string.html", "extraction": "concept-introduction", "source_hash": "0446377e0eccc9299099dc4b4b293204c337e3abefcdc396e9698bc54dd1080b", "fragment_sha256": "4b514670e26e68d728243ab9ac3c30448532aeab3dbc798b471633d5ba0e91dd", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "1104612fc89b51a362c55ed0b1b697640ba3b5359888729ac7adfe7034412ef1", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u5982\u679c\u7b2c\u4e00\u4e2a\u5b57\u7b26\u4e32\u4ee5\u7b2c\u4e8c\u4e2a\u5b57\u7b26\u4e32\u5f00\u5934\uff0c\u5219\u8fd4\u56detrue\uff08\u7b49\u540c\u4e8e starts_with() \u51fd\u6570\uff09\u3002", "'alphabet' ^@ 'alph' \u2192 t"]}, {"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": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002", "description_zh_html": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002
b^@starts_with(text,text)\u5426text\u5426textbool\u8868\u00a09.10.\u00a0\u5176\u4ed6\u5b57\u7b26\u4e32\u51fd\u6570\u548c\u64cd\u4f5c\u7b26
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
\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
"}, "summary": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002", "version": "18", "link_map": {"/zh/docs/18/functions-string.html#FUNCTIONS-STRING-OTHER": "/docs/18/functions-string.html#FUNCTIONS-STRING-OTHER"}, "body_html": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002
b^@starts_with(text,text)\u5426text\u5426textbool\u8868\u00a09.10.\u00a0\u5176\u4ed6\u5b57\u7b26\u4e32\u51fd\u6570\u548c\u64cd\u4f5c\u7b26
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
\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
", "body_sha256": "b459df24e46bf069788477cee98b929364e403794d12290b753e42e0e54e0cff", "content_hash": "3dd1cdb64f33c043550ed5597146e3d0f97da4768c768978856c7ecf56c8940d", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "signature": "^@(text,text) \u2192 bool", "tables_zh": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-spgist-text_ops/?v=18", "text": "text_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=18", "text": "SP-GiST"}, "purpose": "\u641c\u7d22", "strategy": "28", "sort_family": ""}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "source_oid": "3877", "description": ["\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002"], "memberships": [{"family": "text_ops", "method": "spgist", "purpose": "search", "operator": "^@(text,text)", "strategy": "28", "left_type": "text", "right_type": "text", "description": "starts with", "family_slug": "family-spgist-text_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-5e40-text-text", "sort_family_slug": ""}], "sections_zh": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u5982\u679c\u7b2c\u4e00\u4e2a\u5b57\u7b26\u4e32\u4ee5\u7b2c\u4e8c\u4e2a\u5b57\u7b26\u4e32\u5f00\u5934\uff0c\u5219\u8fd4\u56detrue\uff08\u7b49\u540c\u4e8e starts_with() \u51fd\u6570\uff09\u3002", "'alphabet' ^@ 'alph' \u2192 t"]}, {"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/18/catalog-pg-amop.html", "method": "same-major semantic node", "sha256": "c46185aa5f574dacd289a0b3876023793406b4cf58dee7eeebb86436d0577bdc", "language": "zh", "matched_nodes": ["#CATALOG-PG-AMOP/p[2]/em[1]"]}, {"url": "/docs/18/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "7cfcd945bbbd55377dea8d4bd57380014caceb4e83c5db3be16c23eb5991d68f", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}, {"url": "/docs/18/functions-string.html", "method": "same-major semantic node", "sha256": "8faed022380737e5789158e4ef616d5438a6064cc05c9514919c5f1416b100af", "language": "zh", "matched_nodes": ["#FUNCTIONS-STRING/div[8]/div[1]/table[0]/tbody[2]/tr[0]/td[0]/p[1]"]}, {"url": "/docs/18/protocol-overview.html", "method": "same-major semantic node", "sha256": "3f1aa8bd4dbef58e9a82e8cf4c82829a4df7416cfa83dd61c18e9e25060f22da", "language": "zh", "matched_nodes": ["#PROTOCOL-OVERVIEW/div[9]/p[1]/span[2]/span[0]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "starts with", "/versions/18/facts/0/label": "Left operand", "/versions/18/facts/0/value": "text", "/versions/18/facts/1/label": "Right operand", "/versions/18/facts/1/value": "text", "/versions/18/facts/2/label": "Result type", "/versions/18/facts/3/label": "Implementing function", "/versions/18/facts/4/label": "Operator kind", "/versions/18/facts/5/label": "Hash join candidate", "/versions/18/facts/5/value": "no", "/versions/18/facts/6/label": "Merge join candidate", "/versions/18/facts/6/value": "no", "/versions/18/tables/0/title": "Declared operator-family membership", "/versions/18/related/0/label": "text data type", "/versions/18/related/1/label": "bool data type", "/versions/18/related/2/label": "spgist/text_ops family", "/versions/18/sections/0/title": "English manual definition", "/versions/18/sections/1/title": "Catalog interpretation", "/versions/18/sections/0/paragraphs/0": "Returns true if the first string starts with the second string (equivalent to the starts_with() function).", "/versions/18/sections/1/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 36.14 for more information.", "/versions/18/tables/0/rows/0/purpose": "search", "/versions/18/tables/0/columns/0/label": "Index AM", "/versions/18/tables/0/columns/1/label": "Family", "/versions/18/tables/0/columns/2/label": "Strategy", "/versions/18/tables/0/columns/3/label": "Purpose", "/versions/18/tables/0/columns/4/label": "Ordering family"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "35210b1233a1c5260ca728293a95376d0cf060d0c61853aa2c3ed11bbda4ca12", "canonical_center_text_hash": "3dd1cdb64f33c043550ed5597146e3d0f97da4768c768978856c7ecf56c8940d"}, "description_zh": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "^@", "negator": "", "function": "starts_with(text,text)", "hash_join": "f", "left_type": "text", "commutator": "", "merge_join": "f", "right_type": "text", "result_type": "bool"}, "memberships": [{"family": "text_ops", "method": "spgist", "purpose": "search", "operator": "^@(text,text)", "strategy": "28", "left_type": "text", "right_type": "text", "sort_family": ""}]}, "comparison_hash": "4a2ff52c97c994a5e0b903a45e90f7858630794bb37b04de75dd11b366547593", "manual_language": "zh", "manual_semantics": "Exact operand/result signature matched", "description_zh_html": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002
b^@starts_with(text,text)\u5426text\u5426textbool\u8868\u00a09.10.\u00a0\u5176\u4ed6\u5b57\u7b26\u4e32\u51fd\u6570\u548c\u64cd\u4f5c\u7b26
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
\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
", "center_zh_rendered": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002
b^@starts_with(text,text)\u5426text\u5426textbool\u8868\u00a09.10.\u00a0\u5176\u4ed6\u5b57\u7b26\u4e32\u51fd\u6570\u548c\u64cd\u4f5c\u7b26
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
\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
"}, "19": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "starts_with(text,text)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-spgist-text_ops/?v=19", "text": "text_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=19", "text": "SP-GiST"}, "purpose": "\u641c\u7d22", "strategy": "28", "sort_family": ""}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "aliases": ["^@", "^@(text,text)"], "related": [{"url": "/wiki/type/text/?v=19", "label": "text \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/bool/?v=19", "label": "bool \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/opclass/family-spgist-text_ops/?v=19", "label": "spgist/text_ops \u5bb6\u65cf"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v19rc1/postgresql-19rc1.tar.bz2", "label": "19rc1", "major": "19", "channel": "preview", "revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701", "source_sha256": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701", "manual_fingerprint": "63afc6091780ed5e52920ff9ef5adb6aa7dfcc82f8f413ed36ad46095788488d", "catalog_fingerprint": "da7a8a4e03b72cd120b91ffdff4265e065ccad9eab9964fc3eb1279a58464eb8"}, "sources": [{"url": "https://ftp.postgresql.org/pub/source/v19rc1/postgresql-19rc1.tar.bz2", "label": "Matching PostgreSQL source archive", "sha256": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, {"url": "/docs/19/catalog-pg-operator.html", "path": "catalog-pg-operator.html", "label": "PostgreSQL 19 English manual: catalog-pg-operator.html", "sha256": "d72adfa2e7a4b73f626c90a03915426b5843f7b75a31fac47c12448b822dbe3b"}, {"url": "/docs/19/catalog-pg-amop.html", "path": "catalog-pg-amop.html", "label": "PostgreSQL 19 English manual: catalog-pg-amop.html", "sha256": "ff953e362a227387990b27226aff52dfd10f5f25b408d1bac8fa3e50bb45d00f"}, {"url": "/docs/19/functions-string.html#FUNCTIONS-STRING-OTHER", "path": "functions-string.html", "label": "PostgreSQL 19 English manual: functions-string.html", "sha256": "a12f20768817b01bcc63d3e3c5237b3db35ab81ef710a320e886a7d1597a7590"}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/19/functions-string.html#FUNCTIONS-STRING-OTHER", "anchor": "FUNCTIONS-STRING-OTHER", "locale": "zh-Hans", "version": "19", "build_id": 109, "page_key": "functions-string.html", "extraction": "concept-introduction", "source_hash": "099c07cac8d1794c87a6eebecce9e4055806d6af461dd9f70c727e9ae531ef82", "fragment_sha256": "4b514670e26e68d728243ab9ac3c30448532aeab3dbc798b471633d5ba0e91dd", "source_revision": "sha256:af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:65fda1f1b62a89992b84014c9157e61b67dbe8190e93945826efec668fad038c", "translated_from_revision": "sha256:af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "body_sha256": "eb40caeab065e8bac8faf4f2a4e8c516c2693863a8be46a8f8f1abc87494564d", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "starts_with(text,text)"}, {"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": "starts_with(text,text)", "hash_join": "f", "left_type": "text", "commutator": "", "merge_join": "f", "right_type": "text", "result_type": "bool"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u5982\u679c\u7b2c\u4e00\u4e2a\u5b57\u7b26\u4e32\u4ee5\u7b2c\u4e8c\u4e2a\u5b57\u7b26\u4e32\u5f00\u5934\uff0c\u5219\u8fd4\u56detrue\uff08\u7b49\u540c\u4e8e starts_with() \u51fd\u6570\uff09\u3002", "'alphabet' ^@ 'alph' \u2192 t"]}, {"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": "^@(text,text)", "locale": "zh-Hans", "source": {"key": "op-5e40-text-text", "locale": "zh-Hans", "version": "19", "text_hash": "605a149099cab42c5b37b3fc346702c981b06aa27c076d61c94eb5745664face", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "starts_with(text,text)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-spgist-text_ops/?v=19", "text": "text_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=19", "text": "SP-GiST"}, "purpose": "\u641c\u7d22", "strategy": "28", "sort_family": ""}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/19/functions-string.html#FUNCTIONS-STRING-OTHER", "anchor": "FUNCTIONS-STRING-OTHER", "locale": "zh-Hans", "version": "19", "build_id": 109, "page_key": "functions-string.html", "extraction": "concept-introduction", "source_hash": "099c07cac8d1794c87a6eebecce9e4055806d6af461dd9f70c727e9ae531ef82", "fragment_sha256": "4b514670e26e68d728243ab9ac3c30448532aeab3dbc798b471633d5ba0e91dd", "source_revision": "sha256:af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:65fda1f1b62a89992b84014c9157e61b67dbe8190e93945826efec668fad038c", "translated_from_revision": "sha256:af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "body_sha256": "eb40caeab065e8bac8faf4f2a4e8c516c2693863a8be46a8f8f1abc87494564d", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u5982\u679c\u7b2c\u4e00\u4e2a\u5b57\u7b26\u4e32\u4ee5\u7b2c\u4e8c\u4e2a\u5b57\u7b26\u4e32\u5f00\u5934\uff0c\u5219\u8fd4\u56detrue\uff08\u7b49\u540c\u4e8e starts_with() \u51fd\u6570\uff09\u3002", "'alphabet' ^@ 'alph' \u2192 t"]}, {"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": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002", "description_zh_html": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002
b^@starts_with(text,text)\u5426text\u5426textbool\u8868\u00a09.10.\u00a0\u5176\u4ed6\u5b57\u7b26\u4e32\u51fd\u6570\u548c\u64cd\u4f5c\u7b26
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
\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
"}, "summary": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002", "version": "19", "link_map": {"/zh/docs/19/functions-string.html#FUNCTIONS-STRING-OTHER": "/docs/19/functions-string.html#FUNCTIONS-STRING-OTHER"}, "body_html": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002
b^@starts_with(text,text)\u5426text\u5426textbool\u8868\u00a09.10.\u00a0\u5176\u4ed6\u5b57\u7b26\u4e32\u51fd\u6570\u548c\u64cd\u4f5c\u7b26
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
\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
", "body_sha256": "198c12c01d8408704d0827e468cefd761e9633aede04e8c6ece0a8f835d1485a", "content_hash": "605a149099cab42c5b37b3fc346702c981b06aa27c076d61c94eb5745664face", "source_database": "center", "source_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "signature": "^@(text,text) \u2192 bool", "tables_zh": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-spgist-text_ops/?v=19", "text": "text_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=19", "text": "SP-GiST"}, "purpose": "\u641c\u7d22", "strategy": "28", "sort_family": ""}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "source_oid": "3877", "description": ["\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002"], "memberships": [{"family": "text_ops", "method": "spgist", "purpose": "search", "operator": "^@(text,text)", "strategy": "28", "left_type": "text", "right_type": "text", "description": "starts with", "family_slug": "family-spgist-text_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-5e40-text-text", "sort_family_slug": ""}], "sections_zh": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u5982\u679c\u7b2c\u4e00\u4e2a\u5b57\u7b26\u4e32\u4ee5\u7b2c\u4e8c\u4e2a\u5b57\u7b26\u4e32\u5f00\u5934\uff0c\u5219\u8fd4\u56detrue\uff08\u7b49\u540c\u4e8e starts_with() \u51fd\u6570\uff09\u3002", "'alphabet' ^@ 'alph' \u2192 t"]}, {"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/19/catalog-pg-amop.html", "method": "same-major semantic node", "sha256": "8685135a1f22b71dfcd182e77ed97d14ceb21f011d1b58b2b168130423c68d5c", "language": "zh", "matched_nodes": ["#CATALOG-PG-AMOP/p[2]/em[1]"]}, {"url": "/docs/19/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "9debafecc544409918e14c4ab4498c5b52d41808968dccb8a5874794ef8e4ac1", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}, {"url": "/docs/19/functions-string.html", "method": "same-major semantic node", "sha256": "871642925137f6d61d8be32c936c15a518fb7fa4fb69b4861469231f8a32b742", "language": "zh", "matched_nodes": ["#FUNCTIONS-STRING/div[8]/div[1]/table[0]/tbody[2]/tr[0]/td[0]/p[1]"]}, {"url": "/docs/19/protocol-overview.html", "method": "same-major semantic node", "sha256": "4650a5af6514ccd289c59f90ba62490b00e797ee04c02359ef9e2174c1f276ed", "language": "zh", "matched_nodes": ["#PROTOCOL-OVERVIEW/div[9]/p[1]/span[2]/span[0]"]}], "language": "zh", "original_text": {"/versions/19/description/0": "starts with", "/versions/19/facts/0/label": "Left operand", "/versions/19/facts/0/value": "text", "/versions/19/facts/1/label": "Right operand", "/versions/19/facts/1/value": "text", "/versions/19/facts/2/label": "Result type", "/versions/19/facts/3/label": "Implementing function", "/versions/19/facts/4/label": "Operator kind", "/versions/19/facts/5/label": "Hash join candidate", "/versions/19/facts/5/value": "no", "/versions/19/facts/6/label": "Merge join candidate", "/versions/19/facts/6/value": "no", "/versions/19/tables/0/title": "Declared operator-family membership", "/versions/19/related/0/label": "text data type", "/versions/19/related/1/label": "bool data type", "/versions/19/related/2/label": "spgist/text_ops family", "/versions/19/sections/0/title": "English manual definition", "/versions/19/sections/1/title": "Catalog interpretation", "/versions/19/sections/0/paragraphs/0": "Returns true if the first string starts with the second string (equivalent to the starts_with() function).", "/versions/19/sections/1/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 36.14 for more information.", "/versions/19/tables/0/rows/0/purpose": "search", "/versions/19/tables/0/columns/0/label": "Index AM", "/versions/19/tables/0/columns/1/label": "Family", "/versions/19/tables/0/columns/2/label": "Strategy", "/versions/19/tables/0/columns/3/label": "Purpose", "/versions/19/tables/0/columns/4/label": "Ordering family"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "3e3b75fca3ea20b0588ba08bbe0724d30a734392a48cd67c7068d629fe8d5fda", "canonical_center_text_hash": "605a149099cab42c5b37b3fc346702c981b06aa27c076d61c94eb5745664face"}, "description_zh": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "^@", "negator": "", "function": "starts_with(text,text)", "hash_join": "f", "left_type": "text", "commutator": "", "merge_join": "f", "right_type": "text", "result_type": "bool"}, "memberships": [{"family": "text_ops", "method": "spgist", "purpose": "search", "operator": "^@(text,text)", "strategy": "28", "left_type": "text", "right_type": "text", "sort_family": ""}]}, "comparison_hash": "4a2ff52c97c994a5e0b903a45e90f7858630794bb37b04de75dd11b366547593", "manual_language": "zh", "manual_semantics": "Exact operand/result signature matched", "description_zh_html": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002
b^@starts_with(text,text)\u5426text\u5426textbool\u8868\u00a09.10.\u00a0\u5176\u4ed6\u5b57\u7b26\u4e32\u51fd\u6570\u548c\u64cd\u4f5c\u7b26
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
\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
", "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": "text"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "starts_with(text,text)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-spgist-text_ops/?v=20", "text": "text_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=20", "text": "SP-GiST"}, "purpose": "\u641c\u7d22", "strategy": "28", "sort_family": ""}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "aliases": ["^@", "^@(text,text)"], "related": [{"url": "/wiki/type/text/?v=20", "label": "text \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/bool/?v=20", "label": "bool \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/opclass/family-spgist-text_ops/?v=20", "label": "spgist/text_ops \u5bb6\u65cf"}], "release": {"ref": "https://ftp.postgresql.org/pub/snapshot/dev/postgresql-snapshot.tar.bz2", "label": "20devel", "major": "20", "channel": "devel", "revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "source_sha256": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "manual_fingerprint": "4afd3a8e29953000e176877e161458a2febaeaac5a5e16986595d3acc2418c7d", "catalog_fingerprint": "e519e6916a731ce8fb9bca3edb12410227f73e01ccd43fb6f5fb98276f08985f"}, "sources": [{"url": "https://ftp.postgresql.org/pub/snapshot/dev/postgresql-snapshot.tar.bz2", "label": "Matching PostgreSQL source 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"}, {"url": "/docs/devel/functions-string.html#FUNCTIONS-STRING-OTHER", "path": "functions-string.html", "label": "PostgreSQL 20 English manual: functions-string.html", "sha256": "83e4e8345a1a2808675093a132cd3611aea407ba254ed20c3a434aadea5e3bb3"}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/devel/functions-string.html#FUNCTIONS-STRING-OTHER", "anchor": "FUNCTIONS-STRING-OTHER", "locale": "zh-Hans", "version": "20", "build_id": 111, "page_key": "functions-string.html", "extraction": "concept-introduction", "source_hash": "3850816b17d7b55c1be2e1a9208b44572915b6d05bc4925f9f9554d443adb1b3", "fragment_sha256": "4b514670e26e68d728243ab9ac3c30448532aeab3dbc798b471633d5ba0e91dd", "source_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:98c980963b401d40bd50df72b909e7523e3148b8fdb48edd897de2efb67e5235", "translated_from_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "body_sha256": "50d314f7882d5961bfb2299c7fa2ff1a3c473d3452ba987fa48735fe17f974ea", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "starts_with(text,text)"}, {"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": "starts_with(text,text)", "hash_join": "f", "left_type": "text", "commutator": "", "merge_join": "f", "right_type": "text", "result_type": "bool"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u5982\u679c\u7b2c\u4e00\u4e2a\u5b57\u7b26\u4e32\u4ee5\u7b2c\u4e8c\u4e2a\u5b57\u7b26\u4e32\u5f00\u5934\uff0c\u5219\u8fd4\u56detrue\uff08\u7b49\u540c\u4e8e starts_with() \u51fd\u6570\uff09\u3002", "'alphabet' ^@ 'alph' \u2192 t"]}, {"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": "^@(text,text)", "locale": "zh-Hans", "source": {"key": "op-5e40-text-text", "locale": "zh-Hans", "version": "20", "text_hash": "4921bf634b02de4e9ebb0edf997f28b9baf3e0672c676a0a3ae9318151c8dd14", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "starts_with(text,text)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-spgist-text_ops/?v=20", "text": "text_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=20", "text": "SP-GiST"}, "purpose": "\u641c\u7d22", "strategy": "28", "sort_family": ""}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/devel/functions-string.html#FUNCTIONS-STRING-OTHER", "anchor": "FUNCTIONS-STRING-OTHER", "locale": "zh-Hans", "version": "20", "build_id": 111, "page_key": "functions-string.html", "extraction": "concept-introduction", "source_hash": "3850816b17d7b55c1be2e1a9208b44572915b6d05bc4925f9f9554d443adb1b3", "fragment_sha256": "4b514670e26e68d728243ab9ac3c30448532aeab3dbc798b471633d5ba0e91dd", "source_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:98c980963b401d40bd50df72b909e7523e3148b8fdb48edd897de2efb67e5235", "translated_from_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "body_sha256": "50d314f7882d5961bfb2299c7fa2ff1a3c473d3452ba987fa48735fe17f974ea", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u5982\u679c\u7b2c\u4e00\u4e2a\u5b57\u7b26\u4e32\u4ee5\u7b2c\u4e8c\u4e2a\u5b57\u7b26\u4e32\u5f00\u5934\uff0c\u5219\u8fd4\u56detrue\uff08\u7b49\u540c\u4e8e starts_with() \u51fd\u6570\uff09\u3002", "'alphabet' ^@ 'alph' \u2192 t"]}, {"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": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002", "description_zh_html": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002
b^@starts_with(text,text)\u5426text\u5426textbool\u8868\u00a09.10.\u00a0\u5176\u4ed6\u5b57\u7b26\u4e32\u51fd\u6570\u548c\u64cd\u4f5c\u7b26
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
\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
"}, "summary": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002", "version": "20", "link_map": {"/zh/docs/devel/functions-string.html#FUNCTIONS-STRING-OTHER": "/docs/devel/functions-string.html#FUNCTIONS-STRING-OTHER"}, "body_html": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002
b^@starts_with(text,text)\u5426text\u5426textbool\u8868\u00a09.10.\u00a0\u5176\u4ed6\u5b57\u7b26\u4e32\u51fd\u6570\u548c\u64cd\u4f5c\u7b26
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
\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
", "body_sha256": "cd21042f9b92b6a46e905f8cbe67bd58ba9b98efdea2503085ec9253bbe36ecc", "content_hash": "4921bf634b02de4e9ebb0edf997f28b9baf3e0672c676a0a3ae9318151c8dd14", "source_database": "center", "source_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "signature": "^@(text,text) \u2192 bool", "tables_zh": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-spgist-text_ops/?v=20", "text": "text_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=20", "text": "SP-GiST"}, "purpose": "\u641c\u7d22", "strategy": "28", "sort_family": ""}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "source_oid": "3877", "description": ["\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002"], "memberships": [{"family": "text_ops", "method": "spgist", "purpose": "search", "operator": "^@(text,text)", "strategy": "28", "left_type": "text", "right_type": "text", "description": "starts with", "family_slug": "family-spgist-text_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-5e40-text-text", "sort_family_slug": ""}], "sections_zh": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u5982\u679c\u7b2c\u4e00\u4e2a\u5b57\u7b26\u4e32\u4ee5\u7b2c\u4e8c\u4e2a\u5b57\u7b26\u4e32\u5f00\u5934\uff0c\u5219\u8fd4\u56detrue\uff08\u7b49\u540c\u4e8e starts_with() \u51fd\u6570\uff09\u3002", "'alphabet' ^@ 'alph' \u2192 t"]}, {"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/devel/catalog-pg-amop.html", "method": "same-major semantic node", "sha256": "e899b3d8b206f52e8dc0ac4b6019e55022abcf901a9d6cf93edf588bc4354664", "language": "zh", "matched_nodes": ["#CATALOG-PG-AMOP/p[2]/em[1]"]}, {"url": "/docs/devel/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "573e7b9d66caef244b2c03df37b3c4b39b92c1b0e7f32fa8bd3e09d17d5591be", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}, {"url": "/docs/devel/functions-string.html", "method": "same-major semantic node", "sha256": "fd0032816a9098e77e8ed61988c56459af3def6da26033bf756d6a9622ace1aa", "language": "zh", "matched_nodes": ["#FUNCTIONS-STRING/div[8]/div[1]/table[0]/tbody[2]/tr[0]/td[0]/p[1]"]}, {"url": "/docs/devel/protocol-overview.html", "method": "same-major semantic node", "sha256": "fe7aff6a941aef6be4870c7704bca095984a81fd5019f420b67c9917f3831028", "language": "zh", "matched_nodes": ["#PROTOCOL-OVERVIEW/div[9]/p[1]/span[2]/span[0]"]}], "language": "zh", "original_text": {"/summary": "starts with", "/category": "Character strings", "/versions/20/description/0": "starts with", "/versions/20/facts/0/label": "Left operand", "/versions/20/facts/0/value": "text", "/versions/20/facts/1/label": "Right operand", "/versions/20/facts/1/value": "text", "/versions/20/facts/2/label": "Result type", "/versions/20/facts/3/label": "Implementing function", "/versions/20/facts/4/label": "Operator kind", "/versions/20/facts/5/label": "Hash join candidate", "/versions/20/facts/5/value": "no", "/versions/20/facts/6/label": "Merge join candidate", "/versions/20/facts/6/value": "no", "/versions/20/tables/0/title": "Declared operator-family membership", "/versions/20/related/0/label": "text data type", "/versions/20/related/1/label": "bool data type", "/versions/20/related/2/label": "spgist/text_ops family", "/versions/20/sections/0/title": "English manual definition", "/versions/20/sections/1/title": "Catalog interpretation", "/versions/20/sections/0/paragraphs/0": "Returns true if the first string starts with the second string (equivalent to the starts_with() function).", "/versions/20/sections/1/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 36.14 for more information.", "/versions/20/tables/0/rows/0/purpose": "search", "/versions/20/tables/0/columns/0/label": "Index AM", "/versions/20/tables/0/columns/1/label": "Family", "/versions/20/tables/0/columns/2/label": "Strategy", "/versions/20/tables/0/columns/3/label": "Purpose", "/versions/20/tables/0/columns/4/label": "Ordering family"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "321a8e81e8d28a7518c1dc96521f6178e4747e2689e70bf298469c98380916a2", "canonical_center_text_hash": "4921bf634b02de4e9ebb0edf997f28b9baf3e0672c676a0a3ae9318151c8dd14"}, "description_zh": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "^@", "negator": "", "function": "starts_with(text,text)", "hash_join": "f", "left_type": "text", "commutator": "", "merge_join": "f", "right_type": "text", "result_type": "bool"}, "memberships": [{"family": "text_ops", "method": "spgist", "purpose": "search", "operator": "^@(text,text)", "strategy": "28", "left_type": "text", "right_type": "text", "sort_family": ""}]}, "comparison_hash": "4a2ff52c97c994a5e0b903a45e90f7858630794bb37b04de75dd11b366547593", "manual_language": "zh", "manual_semantics": "Exact operand/result signature matched", "description_zh_html": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002
b^@starts_with(text,text)\u5426text\u5426textbool\u8868\u00a09.10.\u00a0\u5176\u4ed6\u5b57\u7b26\u4e32\u51fd\u6570\u548c\u64cd\u4f5c\u7b26
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
\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
", "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": "text"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "starts_with(text,text)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-spgist-text_ops/?v=18", "text": "text_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=18", "text": "SP-GiST"}, "purpose": "\u641c\u7d22", "strategy": "28", "sort_family": ""}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "aliases": ["^@", "^@(text,text)"], "related": [{"url": "/wiki/type/text/?v=18", "label": "text \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/bool/?v=18", "label": "bool \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/opclass/family-spgist-text_ops/?v=18", "label": "spgist/text_ops \u5bb6\u65cf"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "label": "18.6", "major": "18", "channel": "stable", "revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f", "source_sha256": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f", "manual_fingerprint": "fefce9e478eb2afe5e17e869492bbedc67dce23d317f0a5257240113d6496ebc", "catalog_fingerprint": "deec62e0f0c649d9d0d058ddd0b16bf41afffd569c3fd73949ff0971ce5cabd6"}, "sources": [{"url": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "label": "Matching PostgreSQL source archive", "sha256": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, {"url": "/docs/18/catalog-pg-operator.html", "path": "catalog-pg-operator.html", "label": "PostgreSQL 18 English manual: catalog-pg-operator.html", "sha256": "e0b1817914e5e8f9037955cd41e9a43584e9227fcc115784898ecdd9a6c0ecd6"}, {"url": "/docs/18/catalog-pg-amop.html", "path": "catalog-pg-amop.html", "label": "PostgreSQL 18 English manual: catalog-pg-amop.html", "sha256": "e65b90ee78eaf4b4da97ce5b08b972cee2e2660b882ec107be22eca47201f7d1"}, {"url": "/docs/18/functions-string.html#FUNCTIONS-STRING-OTHER", "path": "functions-string.html", "label": "PostgreSQL 18 English manual: functions-string.html", "sha256": "eb74cd80615135c0426a0b994588d43c65ebbce7f7753b7fe94ffe36381d7138"}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/18/functions-string.html#FUNCTIONS-STRING-OTHER", "anchor": "FUNCTIONS-STRING-OTHER", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "functions-string.html", "extraction": "concept-introduction", "source_hash": "0446377e0eccc9299099dc4b4b293204c337e3abefcdc396e9698bc54dd1080b", "fragment_sha256": "4b514670e26e68d728243ab9ac3c30448532aeab3dbc798b471633d5ba0e91dd", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "1104612fc89b51a362c55ed0b1b697640ba3b5359888729ac7adfe7034412ef1", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "starts_with(text,text)"}, {"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": "starts_with(text,text)", "hash_join": "f", "left_type": "text", "commutator": "", "merge_join": "f", "right_type": "text", "result_type": "bool"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u5982\u679c\u7b2c\u4e00\u4e2a\u5b57\u7b26\u4e32\u4ee5\u7b2c\u4e8c\u4e2a\u5b57\u7b26\u4e32\u5f00\u5934\uff0c\u5219\u8fd4\u56detrue\uff08\u7b49\u540c\u4e8e starts_with() \u51fd\u6570\uff09\u3002", "'alphabet' ^@ 'alph' \u2192 t"]}, {"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": "^@(text,text)", "locale": "zh-Hans", "source": {"key": "op-5e40-text-text", "locale": "zh-Hans", "version": "18", "text_hash": "3dd1cdb64f33c043550ed5597146e3d0f97da4768c768978856c7ecf56c8940d", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "text"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bool"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "starts_with(text,text)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-spgist-text_ops/?v=18", "text": "text_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=18", "text": "SP-GiST"}, "purpose": "\u641c\u7d22", "strategy": "28", "sort_family": ""}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/18/functions-string.html#FUNCTIONS-STRING-OTHER", "anchor": "FUNCTIONS-STRING-OTHER", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "functions-string.html", "extraction": "concept-introduction", "source_hash": "0446377e0eccc9299099dc4b4b293204c337e3abefcdc396e9698bc54dd1080b", "fragment_sha256": "4b514670e26e68d728243ab9ac3c30448532aeab3dbc798b471633d5ba0e91dd", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "1104612fc89b51a362c55ed0b1b697640ba3b5359888729ac7adfe7034412ef1", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u5982\u679c\u7b2c\u4e00\u4e2a\u5b57\u7b26\u4e32\u4ee5\u7b2c\u4e8c\u4e2a\u5b57\u7b26\u4e32\u5f00\u5934\uff0c\u5219\u8fd4\u56detrue\uff08\u7b49\u540c\u4e8e starts_with() \u51fd\u6570\uff09\u3002", "'alphabet' ^@ 'alph' \u2192 t"]}, {"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": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002", "description_zh_html": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002
b^@starts_with(text,text)\u5426text\u5426textbool\u8868\u00a09.10.\u00a0\u5176\u4ed6\u5b57\u7b26\u4e32\u51fd\u6570\u548c\u64cd\u4f5c\u7b26
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
\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
"}, "summary": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002", "version": "18", "link_map": {"/zh/docs/18/functions-string.html#FUNCTIONS-STRING-OTHER": "/docs/18/functions-string.html#FUNCTIONS-STRING-OTHER"}, "body_html": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002
b^@starts_with(text,text)\u5426text\u5426textbool\u8868\u00a09.10.\u00a0\u5176\u4ed6\u5b57\u7b26\u4e32\u51fd\u6570\u548c\u64cd\u4f5c\u7b26
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
\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
", "body_sha256": "b459df24e46bf069788477cee98b929364e403794d12290b753e42e0e54e0cff", "content_hash": "3dd1cdb64f33c043550ed5597146e3d0f97da4768c768978856c7ecf56c8940d", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "signature": "^@(text,text) \u2192 bool", "tables_zh": [{"key": "memberships", "rows": [{"family": {"url": "/wiki/opclass/family-spgist-text_ops/?v=18", "text": "text_ops"}, "method": {"url": "/wiki/indexam/spgist/?v=18", "text": "SP-GiST"}, "purpose": "\u641c\u7d22", "strategy": "28", "sort_family": ""}], "title": "\u58f0\u660e\u7684\u64cd\u4f5c\u7b26\u5bb6\u65cf\u6210\u5458\u5173\u7cfb", "columns": [{"key": "method", "label": "\u7d22\u5f15\u8bbf\u95ee\u65b9\u6cd5"}, {"key": "family", "label": "\u64cd\u4f5c\u7b26\u5bb6\u65cf"}, {"key": "strategy", "label": "\u7b56\u7565"}, {"key": "purpose", "label": "\u7528\u9014"}, {"key": "sort_family", "label": "\u6392\u5e8f\u5bb6\u65cf"}]}], "source_oid": "3877", "description": ["\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002"], "memberships": [{"family": "text_ops", "method": "spgist", "purpose": "search", "operator": "^@(text,text)", "strategy": "28", "left_type": "text", "right_type": "text", "description": "starts with", "family_slug": "family-spgist-text_ops", "result_type": "bool", "sort_family": "", "operator_slug": "op-5e40-text-text", "sort_family_slug": ""}], "sections_zh": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u5982\u679c\u7b2c\u4e00\u4e2a\u5b57\u7b26\u4e32\u4ee5\u7b2c\u4e8c\u4e2a\u5b57\u7b26\u4e32\u5f00\u5934\uff0c\u5219\u8fd4\u56detrue\uff08\u7b49\u540c\u4e8e starts_with() \u51fd\u6570\uff09\u3002", "'alphabet' ^@ 'alph' \u2192 t"]}, {"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/18/catalog-pg-amop.html", "method": "same-major semantic node", "sha256": "c46185aa5f574dacd289a0b3876023793406b4cf58dee7eeebb86436d0577bdc", "language": "zh", "matched_nodes": ["#CATALOG-PG-AMOP/p[2]/em[1]"]}, {"url": "/docs/18/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "7cfcd945bbbd55377dea8d4bd57380014caceb4e83c5db3be16c23eb5991d68f", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}, {"url": "/docs/18/functions-string.html", "method": "same-major semantic node", "sha256": "8faed022380737e5789158e4ef616d5438a6064cc05c9514919c5f1416b100af", "language": "zh", "matched_nodes": ["#FUNCTIONS-STRING/div[8]/div[1]/table[0]/tbody[2]/tr[0]/td[0]/p[1]"]}, {"url": "/docs/18/protocol-overview.html", "method": "same-major semantic node", "sha256": "3f1aa8bd4dbef58e9a82e8cf4c82829a4df7416cfa83dd61c18e9e25060f22da", "language": "zh", "matched_nodes": ["#PROTOCOL-OVERVIEW/div[9]/p[1]/span[2]/span[0]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "starts with", "/versions/18/facts/0/label": "Left operand", "/versions/18/facts/0/value": "text", "/versions/18/facts/1/label": "Right operand", "/versions/18/facts/1/value": "text", "/versions/18/facts/2/label": "Result type", "/versions/18/facts/3/label": "Implementing function", "/versions/18/facts/4/label": "Operator kind", "/versions/18/facts/5/label": "Hash join candidate", "/versions/18/facts/5/value": "no", "/versions/18/facts/6/label": "Merge join candidate", "/versions/18/facts/6/value": "no", "/versions/18/tables/0/title": "Declared operator-family membership", "/versions/18/related/0/label": "text data type", "/versions/18/related/1/label": "bool data type", "/versions/18/related/2/label": "spgist/text_ops family", "/versions/18/sections/0/title": "English manual definition", "/versions/18/sections/1/title": "Catalog interpretation", "/versions/18/sections/0/paragraphs/0": "Returns true if the first string starts with the second string (equivalent to the starts_with() function).", "/versions/18/sections/1/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 36.14 for more information.", "/versions/18/tables/0/rows/0/purpose": "search", "/versions/18/tables/0/columns/0/label": "Index AM", "/versions/18/tables/0/columns/1/label": "Family", "/versions/18/tables/0/columns/2/label": "Strategy", "/versions/18/tables/0/columns/3/label": "Purpose", "/versions/18/tables/0/columns/4/label": "Ordering family"}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "35210b1233a1c5260ca728293a95376d0cf060d0c61853aa2c3ed11bbda4ca12", "canonical_center_text_hash": "3dd1cdb64f33c043550ed5597146e3d0f97da4768c768978856c7ecf56c8940d"}, "description_zh": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "^@", "negator": "", "function": "starts_with(text,text)", "hash_join": "f", "left_type": "text", "commutator": "", "merge_join": "f", "right_type": "text", "result_type": "bool"}, "memberships": [{"family": "text_ops", "method": "spgist", "purpose": "search", "operator": "^@(text,text)", "strategy": "28", "left_type": "text", "right_type": "text", "sort_family": ""}]}, "comparison_hash": "4a2ff52c97c994a5e0b903a45e90f7858630794bb37b04de75dd11b366547593", "manual_language": "zh", "manual_semantics": "Exact operand/result signature matched", "description_zh_html": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002
b^@starts_with(text,text)\u5426text\u5426textbool\u8868\u00a09.10.\u00a0\u5176\u4ed6\u5b57\u7b26\u4e32\u51fd\u6570\u548c\u64cd\u4f5c\u7b26
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
\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
", "center_zh_rendered": "\u4ee5\u6307\u5b9a\u524d\u7f00\u5f00\u5934\u3002
b^@starts_with(text,text)\u5426text\u5426textbool\u8868\u00a09.10.\u00a0\u5176\u4ed6\u5b57\u7b26\u4e32\u51fd\u6570\u548c\u64cd\u4f5c\u7b26
\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002
\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
"}, "comparison": {"left": "17", "right": "18", "status": "unchanged", "diff": ""}}