{"kind": "operator", "major": "18", "item": {"slug": "op-3c3c-bit-int4", "name": "<<(bit,int4)", "name_zh": "", "category": "\u4f4d\u4e32", "summary": "\u6309\u4f4d\u5de6\u79fb\u3002", "aliases": ["<<", "<<(bit,int4)"], "content_hash": "ef55b873a3b05fe040234662f28ef46611cbdfd329da95aa46cfa21216ac0993", "versions": {"10": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "bit"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int4"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bit"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "bitshiftleft(bit,int4)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [], "aliases": ["<<", "<<(bit,int4)"], "related": [{"url": "/wiki/type/bit/?v=10", "label": "bit \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/int4/?v=10", "label": "int4 \u6570\u636e\u7c7b\u578b"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v10.23/postgresql-10.23.tar.bz2", "label": "10.23", "major": "10", "channel": "historical", "revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9", "source_sha256": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9", "manual_fingerprint": "113b870e3ff4b52320f34750da5e740800f3f6e4ed6f2fc00a0891944d1be7c2", "catalog_fingerprint": "dd2d5fd5e17d29184db5f6625f9f0f9b9d40ae7aa34b6ccf28ddbc8684bd4992"}, "sources": [{"url": "https://ftp.postgresql.org/pub/source/v10.23/postgresql-10.23.tar.bz2", "label": "Matching PostgreSQL source archive", "sha256": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, {"url": "/docs/10/catalog-pg-operator.html", "path": "catalog-pg-operator.html", "label": "PostgreSQL 10 English manual: catalog-pg-operator.html", "sha256": "1264240e312e88b54064702e9716b8d21fec2f06d1e3a9568f88a01f19f722df"}, {"url": "/docs/10/catalog-pg-amop.html", "path": "catalog-pg-amop.html", "label": "PostgreSQL 10 English manual: catalog-pg-amop.html", "sha256": "d5ce5a3be599e5506edbe3ff615674beb013720953f4979a44b6ecfd4cc24090"}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/10/catalog-pg-operator.html", "anchor": "", "locale": "zh-Hans", "version": "10", "build_id": 63, "page_key": "catalog-pg-operator.html", "extraction": "concept-introduction", "source_hash": "870c7f6d7f9191fcadd22f350757fd9479ff58e5275c7ebf8ec96711a855bafe", "fragment_sha256": "b9dad14209496011fd94abd21d7e19af357ab6089c550e36a5196a0683ab0054", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:62997ea80516ad012fbf6359de33f3b016b54c47e2df76e75606116b4baaf8e5", "translated_from_revision": null}, "body_sha256": "305b380838733eaf4927fda46832148fe172a00c630a840cc914f755c3dfea8e", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "bit"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int4"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bit"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "bitshiftleft(bit,int4)"}, {"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": "bitshiftleft(bit,int4)", "hash_join": "f", "left_type": "bit", "commutator": "", "merge_join": "f", "right_type": "int4", "result_type": "bit"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 37.12 \u8282 \u3002", "\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002"]}], "center_zh": {"title": "<<(bit,int4)", "locale": "zh-Hans", "source": {"key": "op-3c3c-bit-int4", "locale": "zh-Hans", "version": "10", "text_hash": "9bbcda089ef11077d40c3c2ad0557bbb302b2df843ebc8db5d04c54d3844d0be", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "bit"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int4"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bit"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "bitshiftleft(bit,int4)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/10/catalog-pg-operator.html", "anchor": "", "locale": "zh-Hans", "version": "10", "build_id": 63, "page_key": "catalog-pg-operator.html", "extraction": "concept-introduction", "source_hash": "870c7f6d7f9191fcadd22f350757fd9479ff58e5275c7ebf8ec96711a855bafe", "fragment_sha256": "b9dad14209496011fd94abd21d7e19af357ab6089c550e36a5196a0683ab0054", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:62997ea80516ad012fbf6359de33f3b016b54c47e2df76e75606116b4baaf8e5", "translated_from_revision": null}, "body_sha256": "305b380838733eaf4927fda46832148fe172a00c630a840cc914f755c3dfea8e", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 37.12 \u8282 \u3002", "\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002"]}], "description_zh": "\u6309\u4f4d\u5de6\u79fb\u3002", "description_zh_html": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>   \u76ee\u5f55 <code class=\"structname\">pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a class=\"xref\" href=\"/zh/docs/10/sql-createoperator.html\"><span class=\"refentrytitle\">CREATE OPERATOR</span></a> \u548c<a class=\"xref\" href=\"/zh/docs/10/xoper.html\">\u7b2c\u00a037.12\u00a0\u8282</a>\u3002\n  </p><p>\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 <code class=\"structfield\">oprleft</code> \u4e3a\u96f6\u3002</p><p><a href=\"/zh/docs/10/catalog-pg-operator.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "summary": "\u6309\u4f4d\u5de6\u79fb\u3002", "version": "10", "link_map": {"/zh/docs/10/xoper.html": "/docs/10/xoper.html", "/zh/docs/10/sql-createoperator.html": "/docs/10/sql-createoperator.html", "/zh/docs/10/catalog-pg-operator.html": "/docs/10/catalog-pg-operator.html"}, "body_html": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/10/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/10/xoper.html\" rel=\"nofollow\">\u7b2c\u00a037.12\u00a0\u8282</a>\u3002\n  </p><p>\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 <code>oprleft</code> \u4e3a\u96f6\u3002</p><p><a href=\"/zh/docs/10/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "body_sha256": "881bbda2c510e607dc0040b6c95ddebc7f440af9eccf0c703f69e70e869d7b2c", "content_hash": "9bbcda089ef11077d40c3c2ad0557bbb302b2df843ebc8db5d04c54d3844d0be", "source_database": "center", "source_revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "signature": "<<(bit,int4) \u2192 bit", "tables_zh": [], "source_oid": "1795", "description": ["\u6309\u4f4d\u5de6\u79fb\u3002"], "memberships": [], "sections_zh": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 37.12 \u8282 \u3002", "\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/10/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "3740bedec8ec7057a4675ce56725731bbf5f224a99576be65691ff91e66c9e5b", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]", "#CATALOG-PG-OPERATOR/p[5]"]}], "language": "zh", "original_text": {"/versions/10/description/0": "bitwise shift left", "/versions/10/facts/0/label": "Left operand", "/versions/10/facts/1/label": "Right operand", "/versions/10/facts/2/label": "Result type", "/versions/10/facts/3/label": "Implementing function", "/versions/10/facts/4/label": "Operator kind", "/versions/10/facts/5/label": "Hash join candidate", "/versions/10/facts/5/value": "no", "/versions/10/facts/6/label": "Merge join candidate", "/versions/10/facts/6/value": "no", "/versions/10/related/0/label": "bit data type", "/versions/10/related/1/label": "int4 data type", "/versions/10/sections/0/title": "Catalog interpretation", "/versions/10/sections/0/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 37.12 for more information.", "/versions/10/sections/0/paragraphs/1": "Unused columns contain zeroes. For example, oprleft is zero for a prefix operator."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "9b0cac7cd7e860d5428d62a6a9191909950ff35a990bb739b18c205b2bc58bc2", "canonical_center_text_hash": "9bbcda089ef11077d40c3c2ad0557bbb302b2df843ebc8db5d04c54d3844d0be"}, "description_zh": "\u6309\u4f4d\u5de6\u79fb\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<<", "negator": "", "function": "bitshiftleft(bit,int4)", "hash_join": "f", "left_type": "bit", "commutator": "", "merge_join": "f", "right_type": "int4", "result_type": "bit"}, "memberships": []}, "comparison_hash": "9d45d577a9037feba31cbcded1a794461418bf7d93c8963ac3c57f4d5a850c56", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/10/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/10/xoper.html\" rel=\"nofollow\">\u7b2c\u00a037.12\u00a0\u8282</a>\u3002\n  </p><p>\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 <code>oprleft</code> \u4e3a\u96f6\u3002</p><p><a href=\"/zh/docs/10/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "11": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "bit"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int4"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bit"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "bitshiftleft(bit,int4)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [], "aliases": ["<<", "<<(bit,int4)"], "related": [{"url": "/wiki/type/bit/?v=11", "label": "bit \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/int4/?v=11", "label": "int4 \u6570\u636e\u7c7b\u578b"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v11.22/postgresql-11.22.tar.bz2", "label": "11.22", "major": "11", "channel": "historical", "revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0", "source_sha256": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0", "manual_fingerprint": "99c9e45d34555f000789cb4e019492e838041c1f2f31d840f3051ff9d7ed9118", "catalog_fingerprint": "4f08eb8c7ac7d09abfbb29a172148a44b8fb72026616bb55a5f8f84db7a38785"}, "sources": [{"url": "https://ftp.postgresql.org/pub/source/v11.22/postgresql-11.22.tar.bz2", "label": "Matching PostgreSQL source archive", "sha256": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, {"url": "/docs/11/catalog-pg-operator.html", "path": "catalog-pg-operator.html", "label": "PostgreSQL 11 English manual: catalog-pg-operator.html", "sha256": "3de94bb7f17052a69cf35056c95cac18bf74de96ea2c7b243165f1eeb6a3d587"}, {"url": "/docs/11/catalog-pg-amop.html", "path": "catalog-pg-amop.html", "label": "PostgreSQL 11 English manual: catalog-pg-amop.html", "sha256": "c17d050a6f2d093de2c343242bcc4d446b936de1d2902727d3fa3b0697b44fd3"}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/11/catalog-pg-operator.html", "anchor": "", "locale": "zh-Hans", "version": "11", "build_id": 64, "page_key": "catalog-pg-operator.html", "extraction": "concept-introduction", "source_hash": "0a1886d791082632a12e7f8727bde5468669f9a29ef4525aa1c89ba15b017a01", "fragment_sha256": "adb97cbf474fdd0e74539c40cd3f68706ea9b84436a3670063f959f620302de8", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:ef5c7bc074acae9795db16e6b7482aea3b222bd4bcce0f76831332b97a21e8a1", "translated_from_revision": null}, "body_sha256": "4cad507e04c8dedc3cf7b43aebe47668a62ff72694438ef8f307685051b76b58", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "bit"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int4"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bit"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "bitshiftleft(bit,int4)"}, {"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": "bitshiftleft(bit,int4)", "hash_join": "f", "left_type": "bit", "commutator": "", "merge_join": "f", "right_type": "int4", "result_type": "bit"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 38.13 \u8282 \u3002", "\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002"]}], "center_zh": {"title": "<<(bit,int4)", "locale": "zh-Hans", "source": {"key": "op-3c3c-bit-int4", "locale": "zh-Hans", "version": "11", "text_hash": "9a3c886a9f6b71a16f2afba1ee1551f91fc41c7e26ac7526c98cf36a9bd46ccd", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "bit"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int4"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bit"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "bitshiftleft(bit,int4)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/11/catalog-pg-operator.html", "anchor": "", "locale": "zh-Hans", "version": "11", "build_id": 64, "page_key": "catalog-pg-operator.html", "extraction": "concept-introduction", "source_hash": "0a1886d791082632a12e7f8727bde5468669f9a29ef4525aa1c89ba15b017a01", "fragment_sha256": "adb97cbf474fdd0e74539c40cd3f68706ea9b84436a3670063f959f620302de8", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:ef5c7bc074acae9795db16e6b7482aea3b222bd4bcce0f76831332b97a21e8a1", "translated_from_revision": null}, "body_sha256": "4cad507e04c8dedc3cf7b43aebe47668a62ff72694438ef8f307685051b76b58", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 38.13 \u8282 \u3002", "\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002"]}], "description_zh": "\u6309\u4f4d\u5de6\u79fb\u3002", "description_zh_html": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code class=\"structname\">pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a class=\"xref\" href=\"/zh/docs/11/sql-createoperator.html\"><span class=\"refentrytitle\">CREATE OPERATOR</span></a> \u548c<a class=\"xref\" href=\"/zh/docs/11/xoper.html\">\u7b2c\u00a038.13\u00a0\u8282</a>\u3002\n  </p><p>\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 <code class=\"structfield\">oprleft</code> \u4e3a\u96f6\u3002</p><p><a href=\"/zh/docs/11/catalog-pg-operator.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "summary": "\u6309\u4f4d\u5de6\u79fb\u3002", "version": "11", "link_map": {"/zh/docs/11/xoper.html": "/docs/11/xoper.html", "/zh/docs/11/sql-createoperator.html": "/docs/11/sql-createoperator.html", "/zh/docs/11/catalog-pg-operator.html": "/docs/11/catalog-pg-operator.html"}, "body_html": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/11/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/11/xoper.html\" rel=\"nofollow\">\u7b2c\u00a038.13\u00a0\u8282</a>\u3002\n  </p><p>\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 <code>oprleft</code> \u4e3a\u96f6\u3002</p><p><a href=\"/zh/docs/11/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "body_sha256": "b59c22e2d20569a42317d5a28a238fbc2bce8120508197ab03e75033f51a24ed", "content_hash": "9a3c886a9f6b71a16f2afba1ee1551f91fc41c7e26ac7526c98cf36a9bd46ccd", "source_database": "center", "source_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "signature": "<<(bit,int4) \u2192 bit", "tables_zh": [], "source_oid": "1795", "description": ["\u6309\u4f4d\u5de6\u79fb\u3002"], "memberships": [], "sections_zh": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 38.13 \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-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": "bitwise shift left", "/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/related/0/label": "bit data type", "/versions/11/related/1/label": "int4 data type", "/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."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "871bda067e1d19509b4ae6cc87b61b5783de74beb33210f6af6d2d02d47ef329", "canonical_center_text_hash": "9a3c886a9f6b71a16f2afba1ee1551f91fc41c7e26ac7526c98cf36a9bd46ccd"}, "description_zh": "\u6309\u4f4d\u5de6\u79fb\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<<", "negator": "", "function": "bitshiftleft(bit,int4)", "hash_join": "f", "left_type": "bit", "commutator": "", "merge_join": "f", "right_type": "int4", "result_type": "bit"}, "memberships": []}, "comparison_hash": "9d45d577a9037feba31cbcded1a794461418bf7d93c8963ac3c57f4d5a850c56", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/11/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/11/xoper.html\" rel=\"nofollow\">\u7b2c\u00a038.13\u00a0\u8282</a>\u3002\n  </p><p>\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 <code>oprleft</code> \u4e3a\u96f6\u3002</p><p><a href=\"/zh/docs/11/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "12": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "bit"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int4"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bit"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "bitshiftleft(bit,int4)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [], "aliases": ["<<", "<<(bit,int4)"], "related": [{"url": "/wiki/type/bit/?v=12", "label": "bit \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/int4/?v=12", "label": "int4 \u6570\u636e\u7c7b\u578b"}], "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": "c7fb912bfde3dd8b4367072044820b8a2109ee8f799bf6d4b1db9e3134ff91b3", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "bit"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int4"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bit"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "bitshiftleft(bit,int4)"}, {"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": "bitshiftleft(bit,int4)", "hash_join": "f", "left_type": "bit", "commutator": "", "merge_join": "f", "right_type": "int4", "result_type": "bit"}, "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": "<<(bit,int4)", "locale": "zh-Hans", "source": {"key": "op-3c3c-bit-int4", "locale": "zh-Hans", "version": "12", "text_hash": "af09e2e4b25e63aa656c29c1ec383b9f299aa5f95df7e1f6eb3f8565155b3384", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "bit"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int4"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bit"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "bitshiftleft(bit,int4)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/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": "c7fb912bfde3dd8b4367072044820b8a2109ee8f799bf6d4b1db9e3134ff91b3", "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": "\u6309\u4f4d\u5de6\u79fb\u3002", "description_zh_html": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code class=\"structname\">pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a class=\"xref\" href=\"/zh/docs/12/sql-createoperator.html\"><span class=\"refentrytitle\">CREATE OPERATOR</span></a> \u548c<a class=\"xref\" href=\"/zh/docs/12/xoper.html\">\u7b2c\u00a037.14\u00a0\u8282</a>\u3002\n  </p><p>\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 <code class=\"structfield\">oprleft</code> \u4e3a\u96f6\u3002</p><p><a href=\"/zh/docs/12/catalog-pg-operator.html\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "summary": "\u6309\u4f4d\u5de6\u79fb\u3002", "version": "12", "link_map": {"/zh/docs/12/xoper.html": "/docs/12/xoper.html", "/zh/docs/12/sql-createoperator.html": "/docs/12/sql-createoperator.html", "/zh/docs/12/catalog-pg-operator.html": "/docs/12/catalog-pg-operator.html"}, "body_html": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/12/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/12/xoper.html\" rel=\"nofollow\">\u7b2c\u00a037.14\u00a0\u8282</a>\u3002\n  </p><p>\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 <code>oprleft</code> \u4e3a\u96f6\u3002</p><p><a href=\"/zh/docs/12/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "body_sha256": "bc2b1fc08badd700220e3ff47f15bc9e71efabae67d2e15656eecc2bf94e8b0b", "content_hash": "af09e2e4b25e63aa656c29c1ec383b9f299aa5f95df7e1f6eb3f8565155b3384", "source_database": "center", "source_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "signature": "<<(bit,int4) \u2192 bit", "tables_zh": [], "source_oid": "1795", "description": ["\u6309\u4f4d\u5de6\u79fb\u3002"], "memberships": [], "sections_zh": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 37.14 \u8282 \u3002", "\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/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": "bitwise shift left", "/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/related/0/label": "bit data type", "/versions/12/related/1/label": "int4 data type", "/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."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "390bd2e32cbf8d5ff79eeb6879949938fdf06dd1999b035b1b4cbb8bca0e90a2", "canonical_center_text_hash": "af09e2e4b25e63aa656c29c1ec383b9f299aa5f95df7e1f6eb3f8565155b3384"}, "description_zh": "\u6309\u4f4d\u5de6\u79fb\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<<", "negator": "", "function": "bitshiftleft(bit,int4)", "hash_join": "f", "left_type": "bit", "commutator": "", "merge_join": "f", "right_type": "int4", "result_type": "bit"}, "memberships": []}, "comparison_hash": "9d45d577a9037feba31cbcded1a794461418bf7d93c8963ac3c57f4d5a850c56", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p>\n   \u76ee\u5f55 <code>pg_operator</code> \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 <a href=\"/zh/docs/12/sql-createoperator.html\" rel=\"nofollow\"><span>CREATE OPERATOR</span></a> \u548c<a href=\"/zh/docs/12/xoper.html\" rel=\"nofollow\">\u7b2c\u00a037.14\u00a0\u8282</a>\u3002\n  </p><p>\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 <code>oprleft</code> \u4e3a\u96f6\u3002</p><p><a href=\"/zh/docs/12/catalog-pg-operator.html\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "13": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "bit"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int4"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bit"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "bitshiftleft(bit,int4)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": 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"FUNCTIONS-BIT-STRING-OP-TABLE", "locale": "zh-Hans", "version": "13", "build_id": 66, "page_key": "functions-bitstring.html", "extraction": "concept-introduction", "source_hash": "07df081a99af7b4eb8ab32d4f9be1ea49055f461344f9d38ec063e748ab5e4a9", "fragment_sha256": "d068abc7b70f2b77c785468d91f7cc1ce2674bb5b9fbf26d610feb3d00b86e29", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:a13a825c39f0268ef1cfe9137e283e38d0da73b2d7894f0733c7b26372a4f6a4", "translated_from_revision": null}, "body_sha256": "3b4478b95a9ea939f713d2e79030a2be717b005ab86a720bd4d92aaa2eba5dd6", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "bit"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int4"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bit"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "bitshiftleft(bit,int4)"}, {"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": "bitshiftleft(bit,int4)", "hash_join": "f", "left_type": "bit", "commutator": "", "merge_join": "f", "right_type": "int4", "result_type": "bit"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6309\u4f4d\u5de6\u79fb\uff08\u5b57\u7b26\u4e32\u957f\u5ea6\u88ab\u4fdd\u7559\uff09", "B'10001' << 3 \u2192 01000"]}, {"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": "<<(bit,int4)", "locale": "zh-Hans", "source": {"key": "op-3c3c-bit-int4", "locale": "zh-Hans", "version": "13", "text_hash": "11782b0300fb80bb8d98d887426302667001ed1b69a0712aedeef23a7447ba30", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "bit"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int4"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bit"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "bitshiftleft(bit,int4)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/13/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE", "anchor": "FUNCTIONS-BIT-STRING-OP-TABLE", "locale": "zh-Hans", "version": "13", "build_id": 66, "page_key": "functions-bitstring.html", "extraction": "concept-introduction", "source_hash": "07df081a99af7b4eb8ab32d4f9be1ea49055f461344f9d38ec063e748ab5e4a9", "fragment_sha256": "d068abc7b70f2b77c785468d91f7cc1ce2674bb5b9fbf26d610feb3d00b86e29", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:a13a825c39f0268ef1cfe9137e283e38d0da73b2d7894f0733c7b26372a4f6a4", "translated_from_revision": null}, "body_sha256": "3b4478b95a9ea939f713d2e79030a2be717b005ab86a720bd4d92aaa2eba5dd6", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6309\u4f4d\u5de6\u79fb\uff08\u5b57\u7b26\u4e32\u957f\u5ea6\u88ab\u4fdd\u7559\uff09", "B'10001' << 3 \u2192 01000"]}, {"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": "\u6309\u4f4d\u5de6\u79fb\u3002", "description_zh_html": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p class=\"title\"><strong>\u8868\u00a09.14.\u00a0\u4f4d\u4e32\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/13/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "summary": "\u6309\u4f4d\u5de6\u79fb\u3002", "version": "13", "link_map": {"/zh/docs/13/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE": "/docs/13/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE"}, "body_html": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.14.\u00a0\u4f4d\u4e32\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/13/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "body_sha256": "c988c3378e586e6bd4de604b87095dde08e1ca5f642e80318216a27e71fe5bd0", "content_hash": "11782b0300fb80bb8d98d887426302667001ed1b69a0712aedeef23a7447ba30", "source_database": "center", "source_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "signature": "<<(bit,int4) \u2192 bit", "tables_zh": [], "source_oid": "1795", "description": ["\u6309\u4f4d\u5de6\u79fb\u3002"], "memberships": [], "sections_zh": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6309\u4f4d\u5de6\u79fb\uff08\u5b57\u7b26\u4e32\u957f\u5ea6\u88ab\u4fdd\u7559\uff09", "B'10001' << 3 \u2192 01000"]}, {"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": 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See CREATE OPERATOR and Section 37.14 for more information.", "/versions/13/sections/1/paragraphs/1": "Unused columns contain zeroes. For example, oprleft is zero for a prefix operator."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "238a64710c571a32caa9dc2a6d3fe7d5797c1112b418e0e3faf28ce6f0b9f45f", "canonical_center_text_hash": "11782b0300fb80bb8d98d887426302667001ed1b69a0712aedeef23a7447ba30"}, "description_zh": "\u6309\u4f4d\u5de6\u79fb\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<<", "negator": "", "function": "bitshiftleft(bit,int4)", "hash_join": "f", "left_type": "bit", "commutator": "", "merge_join": "f", "right_type": "int4", "result_type": "bit"}, "memberships": []}, "comparison_hash": "9d45d577a9037feba31cbcded1a794461418bf7d93c8963ac3c57f4d5a850c56", "manual_language": "zh", "manual_semantics": "Exact operand/result signature matched", "description_zh_html": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.14.\u00a0\u4f4d\u4e32\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/13/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "14": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "bit"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int4"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bit"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "bitshiftleft(bit,int4)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [], "aliases": ["<<", "<<(bit,int4)"], "related": [{"url": "/wiki/type/bit/?v=14", "label": "bit \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/int4/?v=14", "label": "int4 \u6570\u636e\u7c7b\u578b"}], "release": {"ref": 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"label": "PostgreSQL 14 English manual: catalog-pg-amop.html", "sha256": "402b87d7fb1a313b096ba5349a676ae38d507e2eb98739d6ed7f0681e0b9a9a4"}, {"url": "/docs/14/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE", "path": "functions-bitstring.html", "label": "PostgreSQL 14 English manual: functions-bitstring.html", "sha256": "34ec9038cf8e36a37c1cdbe3481b18aa2ce4b720f4d288107f2247418e0a85cb"}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/14/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE", "anchor": "FUNCTIONS-BIT-STRING-OP-TABLE", "locale": "zh-Hans", "version": "14", "build_id": 99, "page_key": "functions-bitstring.html", "extraction": "concept-introduction", "source_hash": "14c17a9954533d4787ad68b15eb15a48df4f56b21ce23dbf76236e790691883c", "fragment_sha256": "d068abc7b70f2b77c785468d91f7cc1ce2674bb5b9fbf26d610feb3d00b86e29", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:87e6aa4fd6e1ec85c5f4a6de4f5647cfd9e5de734ca2c266d32b6d6192c662ef", "translated_from_revision": null}, "body_sha256": "880bfc3692221ce1b1830a93eb7d17087ed3bc60eb632bb88c5a4cb006f3e93a", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "bit"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int4"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bit"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "bitshiftleft(bit,int4)"}, {"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": "bitshiftleft(bit,int4)", "hash_join": "f", "left_type": "bit", "commutator": "", "merge_join": "f", "right_type": "int4", "result_type": "bit"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6309\u4f4d\u5de6\u79fb\uff08\u5b57\u7b26\u4e32\u957f\u5ea6\u88ab\u4fdd\u7559\uff09", "B'10001' << 3 \u2192 01000"]}, {"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": "<<(bit,int4)", "locale": "zh-Hans", "source": {"key": "op-3c3c-bit-int4", "locale": "zh-Hans", "version": "14", "text_hash": "4f1f04be386e7e5ab8e17bba16edd83902ff2d3ef1151436a1f8174d6705c67b", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "bit"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int4"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bit"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "bitshiftleft(bit,int4)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/14/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE", "anchor": "FUNCTIONS-BIT-STRING-OP-TABLE", "locale": "zh-Hans", "version": "14", "build_id": 99, "page_key": "functions-bitstring.html", "extraction": "concept-introduction", "source_hash": "14c17a9954533d4787ad68b15eb15a48df4f56b21ce23dbf76236e790691883c", "fragment_sha256": "d068abc7b70f2b77c785468d91f7cc1ce2674bb5b9fbf26d610feb3d00b86e29", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:87e6aa4fd6e1ec85c5f4a6de4f5647cfd9e5de734ca2c266d32b6d6192c662ef", "translated_from_revision": null}, "body_sha256": "880bfc3692221ce1b1830a93eb7d17087ed3bc60eb632bb88c5a4cb006f3e93a", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6309\u4f4d\u5de6\u79fb\uff08\u5b57\u7b26\u4e32\u957f\u5ea6\u88ab\u4fdd\u7559\uff09", "B'10001' << 3 \u2192 01000"]}, {"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": "\u6309\u4f4d\u5de6\u79fb\u3002", "description_zh_html": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p class=\"title\"><strong>\u8868\u00a09.14.\u00a0\u4f4d\u4e32\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/14/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "summary": "\u6309\u4f4d\u5de6\u79fb\u3002", "version": "14", "link_map": {"/zh/docs/14/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE": "/docs/14/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE"}, "body_html": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.14.\u00a0\u4f4d\u4e32\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/14/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "body_sha256": "74333cbf95ede37c84e5da436ab8fe429e8380ea3352a57b726ba2b9f325128f", "content_hash": "4f1f04be386e7e5ab8e17bba16edd83902ff2d3ef1151436a1f8174d6705c67b", "source_database": "center", "source_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "signature": "<<(bit,int4) \u2192 bit", "tables_zh": [], "source_oid": "1795", "description": ["\u6309\u4f4d\u5de6\u79fb\u3002"], "memberships": [], "sections_zh": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6309\u4f4d\u5de6\u79fb\uff08\u5b57\u7b26\u4e32\u957f\u5ea6\u88ab\u4fdd\u7559\uff09", "B'10001' << 3 \u2192 01000"]}, {"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 38.14 \u8282 \u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/14/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "77531e62ed30180fca3990f31ecee43d1a140f3a459c18583e5158aa4b41435a", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}, {"url": "/docs/14/functions-bitstring.html", "method": "same-major semantic node", "sha256": "48ff7c2b438ef317776e3e39296fd59ca9df33ad462d17c458761b45d26d79b3", "language": "zh", "matched_nodes": ["#FUNCTIONS-BITSTRING/div[3]/div[1]/table[0]/tbody[2]/tr[5]/td[0]/p[1]"]}], "language": "zh", "original_text": {"/versions/14/description/0": "bitwise shift left", "/versions/14/facts/0/label": "Left operand", "/versions/14/facts/1/label": "Right operand", "/versions/14/facts/2/label": "Result type", "/versions/14/facts/3/label": "Implementing function", "/versions/14/facts/4/label": "Operator kind", "/versions/14/facts/5/label": "Hash join candidate", "/versions/14/facts/5/value": "no", "/versions/14/facts/6/label": "Merge join candidate", "/versions/14/facts/6/value": "no", "/versions/14/related/0/label": "bit data type", "/versions/14/related/1/label": "int4 data type", "/versions/14/sections/0/title": "English manual definition", "/versions/14/sections/1/title": "Catalog interpretation", "/versions/14/sections/0/paragraphs/0": "Bitwise shift left (string length is preserved)", "/versions/14/sections/1/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 38.14 for more information."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "eb1eb2989692ecaf828058ce2ed169e1f3c7f6294fbdb2fb738e31373221f79c", "canonical_center_text_hash": "4f1f04be386e7e5ab8e17bba16edd83902ff2d3ef1151436a1f8174d6705c67b"}, "description_zh": "\u6309\u4f4d\u5de6\u79fb\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<<", "negator": "", "function": "bitshiftleft(bit,int4)", "hash_join": "f", "left_type": "bit", "commutator": "", "merge_join": "f", "right_type": "int4", "result_type": "bit"}, "memberships": []}, "comparison_hash": "9d45d577a9037feba31cbcded1a794461418bf7d93c8963ac3c57f4d5a850c56", "manual_language": "zh", "manual_semantics": "Exact operand/result signature matched", "description_zh_html": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.14.\u00a0\u4f4d\u4e32\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/14/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "15": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "bit"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int4"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bit"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "bitshiftleft(bit,int4)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [], "aliases": ["<<", "<<(bit,int4)"], "related": [{"url": "/wiki/type/bit/?v=15", "label": "bit \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/int4/?v=15", "label": "int4 \u6570\u636e\u7c7b\u578b"}], "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-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE", "path": "functions-bitstring.html", "label": "PostgreSQL 15 English manual: functions-bitstring.html", "sha256": "ef850358446966c9d7e00f45a4a7ac8341aa77099d6882584823d6360169057f"}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/15/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE", "anchor": "FUNCTIONS-BIT-STRING-OP-TABLE", "locale": "zh-Hans", "version": "15", "build_id": 101, "page_key": "functions-bitstring.html", "extraction": "concept-introduction", "source_hash": "95edd223313cfb9a149ef44a9e9beafae8a4161bb769c4f528ff9832883c1789", "fragment_sha256": "d068abc7b70f2b77c785468d91f7cc1ce2674bb5b9fbf26d610feb3d00b86e29", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:6bce1a2df9170cb1146a1411c5547190856638221a6539e618ee1016c9f493ad", "translated_from_revision": null}, "body_sha256": "8a60bb720eba4b7ce92c8b5e37dcc8aa41814e889b09e95558c0b1ffb0fc3c18", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "bit"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int4"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bit"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "bitshiftleft(bit,int4)"}, {"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": "bitshiftleft(bit,int4)", "hash_join": "f", "left_type": "bit", "commutator": "", "merge_join": "f", "right_type": "int4", "result_type": "bit"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6309\u4f4d\u5de6\u79fb\uff08\u5b57\u7b26\u4e32\u957f\u5ea6\u88ab\u4fdd\u7559\uff09", "B'10001' << 3 \u2192 01000"]}, {"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": "<<(bit,int4)", "locale": "zh-Hans", "source": {"key": "op-3c3c-bit-int4", "locale": "zh-Hans", "version": "15", "text_hash": "c5ca8d3f6fe6001bad198f671b304b68362c099fa225c09707947dde9689d83f", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "bit"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int4"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bit"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "bitshiftleft(bit,int4)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/15/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE", "anchor": "FUNCTIONS-BIT-STRING-OP-TABLE", "locale": "zh-Hans", "version": "15", "build_id": 101, "page_key": "functions-bitstring.html", "extraction": "concept-introduction", "source_hash": "95edd223313cfb9a149ef44a9e9beafae8a4161bb769c4f528ff9832883c1789", "fragment_sha256": "d068abc7b70f2b77c785468d91f7cc1ce2674bb5b9fbf26d610feb3d00b86e29", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:6bce1a2df9170cb1146a1411c5547190856638221a6539e618ee1016c9f493ad", "translated_from_revision": null}, "body_sha256": "8a60bb720eba4b7ce92c8b5e37dcc8aa41814e889b09e95558c0b1ffb0fc3c18", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6309\u4f4d\u5de6\u79fb\uff08\u5b57\u7b26\u4e32\u957f\u5ea6\u88ab\u4fdd\u7559\uff09", "B'10001' << 3 \u2192 01000"]}, {"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": "\u6309\u4f4d\u5de6\u79fb\u3002", "description_zh_html": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p class=\"title\"><strong>\u8868\u00a09.14.\u00a0\u4f4d\u4e32\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/15/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "summary": "\u6309\u4f4d\u5de6\u79fb\u3002", "version": "15", "link_map": {"/zh/docs/15/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE": "/docs/15/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE"}, "body_html": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.14.\u00a0\u4f4d\u4e32\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/15/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "body_sha256": "9902a8050954b021e026fc2848054122912b5df9312dc70aceea9cf855a42101", "content_hash": "c5ca8d3f6fe6001bad198f671b304b68362c099fa225c09707947dde9689d83f", "source_database": "center", "source_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "signature": "<<(bit,int4) \u2192 bit", "tables_zh": [], "source_oid": "1795", "description": ["\u6309\u4f4d\u5de6\u79fb\u3002"], "memberships": [], "sections_zh": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6309\u4f4d\u5de6\u79fb\uff08\u5b57\u7b26\u4e32\u957f\u5ea6\u88ab\u4fdd\u7559\uff09", "B'10001' << 3 \u2192 01000"]}, {"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 38.14 \u8282 \u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/15/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "4865734bda46f48a054c1c554b2ff262358a48b562081c1f01a178a6df15e38b", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}, {"url": "/docs/15/functions-bitstring.html", "method": "same-major semantic node", "sha256": "bd5141928538bd62e2e587afdbc29d0ec6587a4471a6950abdf72ac6ca3f006d", "language": "zh", "matched_nodes": ["#FUNCTIONS-BITSTRING/div[3]/div[1]/table[0]/tbody[2]/tr[5]/td[0]/p[1]"]}], "language": "zh", "original_text": {"/versions/15/description/0": "bitwise shift left", "/versions/15/facts/0/label": "Left operand", "/versions/15/facts/1/label": "Right operand", "/versions/15/facts/2/label": "Result type", "/versions/15/facts/3/label": "Implementing function", "/versions/15/facts/4/label": "Operator kind", "/versions/15/facts/5/label": "Hash join candidate", "/versions/15/facts/5/value": "no", "/versions/15/facts/6/label": "Merge join candidate", "/versions/15/facts/6/value": "no", "/versions/15/related/0/label": "bit data type", "/versions/15/related/1/label": "int4 data type", "/versions/15/sections/0/title": "English manual definition", "/versions/15/sections/1/title": "Catalog interpretation", "/versions/15/sections/0/paragraphs/0": "Bitwise shift left (string length is preserved)", "/versions/15/sections/1/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 38.14 for more information."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "94d5b51d896ac7a7d57ee46a7ddbd22da28f611264ef8c0653f64eb59de48f85", "canonical_center_text_hash": "c5ca8d3f6fe6001bad198f671b304b68362c099fa225c09707947dde9689d83f"}, "description_zh": "\u6309\u4f4d\u5de6\u79fb\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<<", "negator": "", "function": "bitshiftleft(bit,int4)", "hash_join": "f", "left_type": "bit", "commutator": "", "merge_join": "f", "right_type": "int4", "result_type": "bit"}, "memberships": []}, "comparison_hash": "9d45d577a9037feba31cbcded1a794461418bf7d93c8963ac3c57f4d5a850c56", "manual_language": "zh", "manual_semantics": "Exact operand/result signature matched", "description_zh_html": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.14.\u00a0\u4f4d\u4e32\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/15/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "16": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "bit"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int4"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bit"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "bitshiftleft(bit,int4)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [], "aliases": ["<<", "<<(bit,int4)"], "related": [{"url": "/wiki/type/bit/?v=16", "label": "bit \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/int4/?v=16", "label": "int4 \u6570\u636e\u7c7b\u578b"}], "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-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE", "path": "functions-bitstring.html", "label": "PostgreSQL 16 English manual: functions-bitstring.html", "sha256": "22a21b289a8f252ba41929386d4ea56f2da6bc88caf77d8faa87e3be15c29f36"}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/16/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE", "anchor": "FUNCTIONS-BIT-STRING-OP-TABLE", "locale": "zh-Hans", "version": "16", "build_id": 103, "page_key": "functions-bitstring.html", "extraction": "concept-introduction", "source_hash": "f9b39d73de4441ab916b663e58eceef68336e4b929a99596e1b69387389818bd", "fragment_sha256": "d068abc7b70f2b77c785468d91f7cc1ce2674bb5b9fbf26d610feb3d00b86e29", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:80579a071736780f9c4022bb5148e1fb1256f1a33591306af67816e9e9bf3a9b", "translated_from_revision": null}, "body_sha256": "1065b10a0ef5019ecdf82ec3c38357aa991df626405ffd4c0463e7517addb8ab", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "bit"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int4"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bit"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "bitshiftleft(bit,int4)"}, {"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": "bitshiftleft(bit,int4)", "hash_join": "f", "left_type": "bit", "commutator": "", "merge_join": "f", "right_type": "int4", "result_type": "bit"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6309\u4f4d\u5de6\u79fb\uff08\u5b57\u7b26\u4e32\u957f\u5ea6\u88ab\u4fdd\u7559\uff09", "B'10001' << 3 \u2192 01000"]}, {"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": "<<(bit,int4)", "locale": "zh-Hans", "source": {"key": "op-3c3c-bit-int4", "locale": "zh-Hans", "version": "16", "text_hash": "6d7662e475b37c21873e335ef0360efcaa64fd15437a3e57b502735c1a72d014", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "bit"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int4"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bit"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "bitshiftleft(bit,int4)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/16/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE", "anchor": "FUNCTIONS-BIT-STRING-OP-TABLE", "locale": "zh-Hans", "version": "16", "build_id": 103, "page_key": "functions-bitstring.html", "extraction": "concept-introduction", "source_hash": "f9b39d73de4441ab916b663e58eceef68336e4b929a99596e1b69387389818bd", "fragment_sha256": "d068abc7b70f2b77c785468d91f7cc1ce2674bb5b9fbf26d610feb3d00b86e29", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:80579a071736780f9c4022bb5148e1fb1256f1a33591306af67816e9e9bf3a9b", "translated_from_revision": null}, "body_sha256": "1065b10a0ef5019ecdf82ec3c38357aa991df626405ffd4c0463e7517addb8ab", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6309\u4f4d\u5de6\u79fb\uff08\u5b57\u7b26\u4e32\u957f\u5ea6\u88ab\u4fdd\u7559\uff09", "B'10001' << 3 \u2192 01000"]}, {"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": "\u6309\u4f4d\u5de6\u79fb\u3002", "description_zh_html": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p class=\"title\"><strong>\u8868\u00a09.14.\u00a0\u4f4d\u4e32\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/16/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "summary": "\u6309\u4f4d\u5de6\u79fb\u3002", "version": "16", "link_map": {"/zh/docs/16/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE": "/docs/16/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE"}, "body_html": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.14.\u00a0\u4f4d\u4e32\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/16/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "body_sha256": "39dfd893c57caef38e0971095dd70dc19660c1623c5c060261a3b1b46cc094a5", "content_hash": "6d7662e475b37c21873e335ef0360efcaa64fd15437a3e57b502735c1a72d014", "source_database": "center", "source_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "signature": "<<(bit,int4) \u2192 bit", "tables_zh": [], "source_oid": "1795", "description": ["\u6309\u4f4d\u5de6\u79fb\u3002"], "memberships": [], "sections_zh": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6309\u4f4d\u5de6\u79fb\uff08\u5b57\u7b26\u4e32\u957f\u5ea6\u88ab\u4fdd\u7559\uff09", "B'10001' << 3 \u2192 01000"]}, {"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 38.14 \u8282 \u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/16/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "ff2395afae4eb19cedbcb0acbd87a844078e82ba0722c2dbe9e7fa0c4c6503d4", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}, {"url": "/docs/16/functions-bitstring.html", "method": "same-major semantic node", "sha256": "4aa1e2b748ba9f54c0b052f6f778305509269ddbf71bb25843b530c2065259d2", "language": "zh", "matched_nodes": ["#FUNCTIONS-BITSTRING/div[3]/div[1]/table[0]/tbody[2]/tr[5]/td[0]/p[1]"]}], "language": "zh", "original_text": {"/versions/16/description/0": "bitwise shift left", "/versions/16/facts/0/label": "Left operand", "/versions/16/facts/1/label": "Right operand", "/versions/16/facts/2/label": "Result type", "/versions/16/facts/3/label": "Implementing function", "/versions/16/facts/4/label": "Operator kind", "/versions/16/facts/5/label": "Hash join candidate", "/versions/16/facts/5/value": "no", "/versions/16/facts/6/label": "Merge join candidate", "/versions/16/facts/6/value": "no", "/versions/16/related/0/label": "bit data type", "/versions/16/related/1/label": "int4 data type", "/versions/16/sections/0/title": "English manual definition", "/versions/16/sections/1/title": "Catalog interpretation", "/versions/16/sections/0/paragraphs/0": "Bitwise shift left (string length is preserved)", "/versions/16/sections/1/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 38.14 for more information."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "8b5ef65d0a641cbb0483d444be9413a408f4ba0ccb124c5f4f805b961bd9b67b", "canonical_center_text_hash": "6d7662e475b37c21873e335ef0360efcaa64fd15437a3e57b502735c1a72d014"}, "description_zh": "\u6309\u4f4d\u5de6\u79fb\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<<", "negator": "", "function": "bitshiftleft(bit,int4)", "hash_join": "f", "left_type": "bit", "commutator": "", "merge_join": "f", "right_type": "int4", "result_type": "bit"}, "memberships": []}, "comparison_hash": "9d45d577a9037feba31cbcded1a794461418bf7d93c8963ac3c57f4d5a850c56", "manual_language": "zh", "manual_semantics": "Exact operand/result signature matched", "description_zh_html": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.14.\u00a0\u4f4d\u4e32\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/16/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "17": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "bit"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int4"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bit"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "bitshiftleft(bit,int4)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [], "aliases": ["<<", "<<(bit,int4)"], "related": [{"url": "/wiki/type/bit/?v=17", "label": "bit \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/int4/?v=17", "label": "int4 \u6570\u636e\u7c7b\u578b"}], "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-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE", "path": "functions-bitstring.html", "label": "PostgreSQL 17 English manual: functions-bitstring.html", "sha256": "28b1b31826a540e8309a54d6026f349e6403ef79201bde293945f4bcaf6b9f60"}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/17/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE", "anchor": "FUNCTIONS-BIT-STRING-OP-TABLE", "locale": "zh-Hans", "version": "17", "build_id": 105, "page_key": "functions-bitstring.html", "extraction": "concept-introduction", "source_hash": "795d840a785df541c4160423701379d3fccf6578a0087ab39062e8b523bbd1c3", "fragment_sha256": "d068abc7b70f2b77c785468d91f7cc1ce2674bb5b9fbf26d610feb3d00b86e29", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:7340767258d21c21b36f373f1fff6bab2be18e0daca13a865129db6105c09efd", "translated_from_revision": null}, "body_sha256": "d0605492e37886a3cc431021612462c8bcc9798d5ecd37748d9e980e1b75794a", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "bit"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int4"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bit"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "bitshiftleft(bit,int4)"}, {"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": "bitshiftleft(bit,int4)", "hash_join": "f", "left_type": "bit", "commutator": "", "merge_join": "f", "right_type": "int4", "result_type": "bit"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6309\u4f4d\u5de6\u79fb\uff08\u5b57\u7b26\u4e32\u957f\u5ea6\u88ab\u4fdd\u7559\uff09", "B'10001' << 3 \u2192 01000"]}, {"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": "<<(bit,int4)", "locale": "zh-Hans", "source": {"key": "op-3c3c-bit-int4", "locale": "zh-Hans", "version": "17", "text_hash": "abb694c64036dc417978d7bc9c7866c6868a8c5275586d94718f4d7e62fd8d3b", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "bit"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int4"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bit"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "bitshiftleft(bit,int4)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/17/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE", "anchor": "FUNCTIONS-BIT-STRING-OP-TABLE", "locale": "zh-Hans", "version": "17", "build_id": 105, "page_key": "functions-bitstring.html", "extraction": "concept-introduction", "source_hash": "795d840a785df541c4160423701379d3fccf6578a0087ab39062e8b523bbd1c3", "fragment_sha256": "d068abc7b70f2b77c785468d91f7cc1ce2674bb5b9fbf26d610feb3d00b86e29", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:7340767258d21c21b36f373f1fff6bab2be18e0daca13a865129db6105c09efd", "translated_from_revision": null}, "body_sha256": "d0605492e37886a3cc431021612462c8bcc9798d5ecd37748d9e980e1b75794a", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6309\u4f4d\u5de6\u79fb\uff08\u5b57\u7b26\u4e32\u957f\u5ea6\u88ab\u4fdd\u7559\uff09", "B'10001' << 3 \u2192 01000"]}, {"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": "\u6309\u4f4d\u5de6\u79fb\u3002", "description_zh_html": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p class=\"title\"><strong>\u8868\u00a09.14.\u00a0\u4f4d\u4e32\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/17/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "summary": "\u6309\u4f4d\u5de6\u79fb\u3002", "version": "17", "link_map": {"/zh/docs/17/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE": "/docs/17/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE"}, "body_html": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.14.\u00a0\u4f4d\u4e32\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/17/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "body_sha256": "9f96ccdf7ca1f1653d4cd12cbb3a1477f036cd99afda004c0f4ca271565f0c30", "content_hash": "abb694c64036dc417978d7bc9c7866c6868a8c5275586d94718f4d7e62fd8d3b", "source_database": "center", "source_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "signature": "<<(bit,int4) \u2192 bit", "tables_zh": [], "source_oid": "1795", "description": ["\u6309\u4f4d\u5de6\u79fb\u3002"], "memberships": [], "sections_zh": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6309\u4f4d\u5de6\u79fb\uff08\u5b57\u7b26\u4e32\u957f\u5ea6\u88ab\u4fdd\u7559\uff09", "B'10001' << 3 \u2192 01000"]}, {"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/17/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "f83afaba592d4bb686da0579943b49e4c821b3df0a02b82c5fab86e1d168a26e", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}, {"url": "/docs/17/functions-bitstring.html", "method": "same-major semantic node", "sha256": "f3ea0fd38b98db9d03daef782371c676dff6d9031cb458546bf62f9943f90fb5", "language": "zh", "matched_nodes": ["#FUNCTIONS-BITSTRING/div[3]/div[1]/table[0]/tbody[2]/tr[5]/td[0]/p[1]"]}], "language": "zh", "original_text": {"/versions/17/description/0": "bitwise shift left", "/versions/17/facts/0/label": "Left operand", "/versions/17/facts/1/label": "Right operand", "/versions/17/facts/2/label": "Result type", "/versions/17/facts/3/label": "Implementing function", "/versions/17/facts/4/label": "Operator kind", "/versions/17/facts/5/label": "Hash join candidate", "/versions/17/facts/5/value": "no", "/versions/17/facts/6/label": "Merge join candidate", "/versions/17/facts/6/value": "no", "/versions/17/related/0/label": "bit data type", "/versions/17/related/1/label": "int4 data type", "/versions/17/sections/0/title": "English manual definition", "/versions/17/sections/1/title": "Catalog interpretation", "/versions/17/sections/0/paragraphs/0": "Bitwise shift left (string length is preserved)", "/versions/17/sections/1/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 36.14 for more information."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "b61313b607f3f5422ac0936d7f679d8f89d143349ff4f4e6942879d1c7313f13", "canonical_center_text_hash": "abb694c64036dc417978d7bc9c7866c6868a8c5275586d94718f4d7e62fd8d3b"}, "description_zh": "\u6309\u4f4d\u5de6\u79fb\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<<", "negator": "", "function": "bitshiftleft(bit,int4)", "hash_join": "f", "left_type": "bit", "commutator": "", "merge_join": "f", "right_type": "int4", "result_type": "bit"}, "memberships": []}, "comparison_hash": "9d45d577a9037feba31cbcded1a794461418bf7d93c8963ac3c57f4d5a850c56", "manual_language": "zh", "manual_semantics": "Exact operand/result signature matched", "description_zh_html": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.14.\u00a0\u4f4d\u4e32\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/17/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "18": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "bit"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int4"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bit"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "bitshiftleft(bit,int4)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [], "aliases": ["<<", "<<(bit,int4)"], "related": [{"url": "/wiki/type/bit/?v=18", "label": "bit \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/int4/?v=18", "label": "int4 \u6570\u636e\u7c7b\u578b"}], "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-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE", "path": "functions-bitstring.html", "label": "PostgreSQL 18 English manual: functions-bitstring.html", "sha256": "e710b5de82fd3f8d085943ebb37c543709251f3ddf25038612cd096b61cbd913"}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/18/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE", "anchor": "FUNCTIONS-BIT-STRING-OP-TABLE", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "functions-bitstring.html", "extraction": "concept-introduction", "source_hash": "ae2ebebebe8b993afa5b42f84508e1c93fb9461e00e4253e09eb23254801980c", "fragment_sha256": "d068abc7b70f2b77c785468d91f7cc1ce2674bb5b9fbf26d610feb3d00b86e29", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "e7b03c83015453c6789a465ded2486ac7f2605c455a79c4e4ea392b4e42ebb56", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "bit"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int4"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bit"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "bitshiftleft(bit,int4)"}, {"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": "bitshiftleft(bit,int4)", "hash_join": "f", "left_type": "bit", "commutator": "", "merge_join": "f", "right_type": "int4", "result_type": "bit"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6309\u4f4d\u5de6\u79fb\uff08\u5b57\u7b26\u4e32\u957f\u5ea6\u88ab\u4fdd\u7559\uff09", "B'10001' << 3 \u2192 01000"]}, {"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": "<<(bit,int4)", "locale": "zh-Hans", "source": {"key": "op-3c3c-bit-int4", "locale": "zh-Hans", "version": "18", "text_hash": "6f98773eaa0e87bb7bc325d8cdf943698e446b7e83e90a6e30e1e047be85b894", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "bit"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int4"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bit"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "bitshiftleft(bit,int4)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/18/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE", "anchor": "FUNCTIONS-BIT-STRING-OP-TABLE", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "functions-bitstring.html", "extraction": "concept-introduction", "source_hash": "ae2ebebebe8b993afa5b42f84508e1c93fb9461e00e4253e09eb23254801980c", "fragment_sha256": "d068abc7b70f2b77c785468d91f7cc1ce2674bb5b9fbf26d610feb3d00b86e29", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "e7b03c83015453c6789a465ded2486ac7f2605c455a79c4e4ea392b4e42ebb56", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6309\u4f4d\u5de6\u79fb\uff08\u5b57\u7b26\u4e32\u957f\u5ea6\u88ab\u4fdd\u7559\uff09", "B'10001' << 3 \u2192 01000"]}, {"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": "\u6309\u4f4d\u5de6\u79fb\u3002", "description_zh_html": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p class=\"title\"><strong>\u8868\u00a09.14.\u00a0\u4f4d\u4e32\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/18/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "summary": "\u6309\u4f4d\u5de6\u79fb\u3002", "version": "18", "link_map": {"/zh/docs/18/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE": "/docs/18/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE"}, "body_html": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.14.\u00a0\u4f4d\u4e32\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/18/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "body_sha256": "ae97a28149ebcbb9860daff2eca7f096d91ec27f2e8523be24e73f7ece876769", "content_hash": "6f98773eaa0e87bb7bc325d8cdf943698e446b7e83e90a6e30e1e047be85b894", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "signature": "<<(bit,int4) \u2192 bit", "tables_zh": [], "source_oid": "1795", "description": ["\u6309\u4f4d\u5de6\u79fb\u3002"], "memberships": [], "sections_zh": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6309\u4f4d\u5de6\u79fb\uff08\u5b57\u7b26\u4e32\u957f\u5ea6\u88ab\u4fdd\u7559\uff09", "B'10001' << 3 \u2192 01000"]}, {"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/18/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "7cfcd945bbbd55377dea8d4bd57380014caceb4e83c5db3be16c23eb5991d68f", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}, {"url": "/docs/18/functions-bitstring.html", "method": "same-major semantic node", "sha256": "f69b54dda4ee97fd2d89917e573470b448c5adbabe7e6aa6f450ae7c45eea1f6", "language": "zh", "matched_nodes": ["#FUNCTIONS-BITSTRING/div[3]/div[1]/table[0]/tbody[2]/tr[5]/td[0]/p[1]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "bitwise shift left", "/versions/18/facts/0/label": "Left operand", "/versions/18/facts/1/label": "Right operand", "/versions/18/facts/2/label": "Result type", "/versions/18/facts/3/label": "Implementing function", "/versions/18/facts/4/label": "Operator kind", "/versions/18/facts/5/label": "Hash join candidate", "/versions/18/facts/5/value": "no", "/versions/18/facts/6/label": "Merge join candidate", "/versions/18/facts/6/value": "no", "/versions/18/related/0/label": "bit data type", "/versions/18/related/1/label": "int4 data type", "/versions/18/sections/0/title": "English manual definition", "/versions/18/sections/1/title": "Catalog interpretation", "/versions/18/sections/0/paragraphs/0": "Bitwise shift left (string length is preserved)", "/versions/18/sections/1/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 36.14 for more information."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "32ad75541ee090854a10e752d310b6be4d8afae1fb2ac2e4f99c7c6548c31299", "canonical_center_text_hash": "6f98773eaa0e87bb7bc325d8cdf943698e446b7e83e90a6e30e1e047be85b894"}, "description_zh": "\u6309\u4f4d\u5de6\u79fb\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<<", "negator": "", "function": "bitshiftleft(bit,int4)", "hash_join": "f", "left_type": "bit", "commutator": "", "merge_join": "f", "right_type": "int4", "result_type": "bit"}, "memberships": []}, "comparison_hash": "9d45d577a9037feba31cbcded1a794461418bf7d93c8963ac3c57f4d5a850c56", "manual_language": "zh", "manual_semantics": "Exact operand/result signature matched", "description_zh_html": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.14.\u00a0\u4f4d\u4e32\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/18/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "center_zh_rendered": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.14.\u00a0\u4f4d\u4e32\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/docs/18/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "19": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "bit"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int4"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bit"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "bitshiftleft(bit,int4)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [], "aliases": ["<<", "<<(bit,int4)"], "related": [{"url": "/wiki/type/bit/?v=19", "label": "bit \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/int4/?v=19", "label": "int4 \u6570\u636e\u7c7b\u578b"}], "release": {"ref": 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"sha256:af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:65fda1f1b62a89992b84014c9157e61b67dbe8190e93945826efec668fad038c", "translated_from_revision": "sha256:af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "body_sha256": "352e7018d18cf1134010f3bade7fbefc9b652e10bfb1cb72fb1cb78960b86009", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "bit"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int4"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bit"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "bitshiftleft(bit,int4)"}, {"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": "bitshiftleft(bit,int4)", "hash_join": "f", "left_type": "bit", "commutator": "", "merge_join": "f", "right_type": "int4", "result_type": "bit"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6309\u4f4d\u5de6\u79fb\uff08\u5b57\u7b26\u4e32\u957f\u5ea6\u88ab\u4fdd\u7559\uff09", "B'10001' << 3 \u2192 01000"]}, {"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": "<<(bit,int4)", "locale": "zh-Hans", "source": {"key": "op-3c3c-bit-int4", "locale": "zh-Hans", "version": "19", "text_hash": "ea47a562cc221fb6c37a3ba399b62b455f1e647849ed656c79900e548f421e77", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "bit"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int4"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bit"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "bitshiftleft(bit,int4)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/19/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE", "anchor": "FUNCTIONS-BIT-STRING-OP-TABLE", "locale": "zh-Hans", "version": "19", "build_id": 109, "page_key": "functions-bitstring.html", "extraction": "concept-introduction", "source_hash": "c12c3290f4011d8715399e0d7540d0c035da87b1f549a613f4c608929d922e6b", "fragment_sha256": "d068abc7b70f2b77c785468d91f7cc1ce2674bb5b9fbf26d610feb3d00b86e29", "source_revision": "sha256:af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:65fda1f1b62a89992b84014c9157e61b67dbe8190e93945826efec668fad038c", "translated_from_revision": "sha256:af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "body_sha256": "352e7018d18cf1134010f3bade7fbefc9b652e10bfb1cb72fb1cb78960b86009", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6309\u4f4d\u5de6\u79fb\uff08\u5b57\u7b26\u4e32\u957f\u5ea6\u88ab\u4fdd\u7559\uff09", "B'10001' << 3 \u2192 01000"]}, {"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": "\u6309\u4f4d\u5de6\u79fb\u3002", "description_zh_html": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p class=\"title\"><strong>\u8868\u00a09.14.\u00a0\u4f4d\u4e32\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/19/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "summary": "\u6309\u4f4d\u5de6\u79fb\u3002", "version": "19", "link_map": {"/zh/docs/19/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE": "/docs/19/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE"}, "body_html": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.14.\u00a0\u4f4d\u4e32\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/19/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "body_sha256": "1369c75e0f625d0f461209173e6c5627f5ae7b5ef81cdc8270d42cd4a10a2f5b", "content_hash": "ea47a562cc221fb6c37a3ba399b62b455f1e647849ed656c79900e548f421e77", "source_database": "center", "source_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "signature": "<<(bit,int4) \u2192 bit", "tables_zh": [], "source_oid": "1795", "description": ["\u6309\u4f4d\u5de6\u79fb\u3002"], "memberships": [], "sections_zh": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6309\u4f4d\u5de6\u79fb\uff08\u5b57\u7b26\u4e32\u957f\u5ea6\u88ab\u4fdd\u7559\uff09", "B'10001' << 3 \u2192 01000"]}, {"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/19/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "9debafecc544409918e14c4ab4498c5b52d41808968dccb8a5874794ef8e4ac1", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}, {"url": "/docs/19/functions-bitstring.html", "method": "same-major semantic node", "sha256": "018f78a38bd4b160db0dbfb51bd625ffff970ff176b5a42b8b42bd05476319e9", "language": "zh", "matched_nodes": ["#FUNCTIONS-BITSTRING/div[3]/div[1]/table[0]/tbody[2]/tr[5]/td[0]/p[1]"]}], "language": "zh", "original_text": {"/versions/19/description/0": "bitwise shift left", "/versions/19/facts/0/label": "Left operand", "/versions/19/facts/1/label": "Right operand", "/versions/19/facts/2/label": "Result type", "/versions/19/facts/3/label": "Implementing function", "/versions/19/facts/4/label": "Operator kind", "/versions/19/facts/5/label": "Hash join candidate", "/versions/19/facts/5/value": "no", "/versions/19/facts/6/label": "Merge join candidate", "/versions/19/facts/6/value": "no", "/versions/19/related/0/label": "bit data type", "/versions/19/related/1/label": "int4 data type", "/versions/19/sections/0/title": "English manual definition", "/versions/19/sections/1/title": "Catalog interpretation", "/versions/19/sections/0/paragraphs/0": "Bitwise shift left (string length is preserved)", "/versions/19/sections/1/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 36.14 for more information."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "4a290d91bd59152f092c1d7127a7bf22ef0d02f3da1753a42889e6d8284efc88", "canonical_center_text_hash": "ea47a562cc221fb6c37a3ba399b62b455f1e647849ed656c79900e548f421e77"}, "description_zh": "\u6309\u4f4d\u5de6\u79fb\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<<", "negator": "", "function": "bitshiftleft(bit,int4)", "hash_join": "f", "left_type": "bit", "commutator": "", "merge_join": "f", "right_type": "int4", "result_type": "bit"}, "memberships": []}, "comparison_hash": "9d45d577a9037feba31cbcded1a794461418bf7d93c8963ac3c57f4d5a850c56", "manual_language": "zh", "manual_semantics": "Exact operand/result signature matched", "description_zh_html": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.14.\u00a0\u4f4d\u4e32\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/19/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "source_revalidation": {"kind": "static-same-version-source-and-manual-replay", "audit": "wiki-audit-20261023", "runtime_rerun": false, "compared_fields": "entity membership and source-derived facts; presentation markup normalized", "source_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701", "previous_source_revision": "83157ee9c599d03b2f7a3d73ef3a56ec24e0e79cc2b3501a64d1364f56398c86"}}, "20": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "bit"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int4"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bit"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "bitshiftleft(bit,int4)"}, {"label": 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"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-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE", "path": "functions-bitstring.html", "label": "PostgreSQL 20 English manual: functions-bitstring.html", "sha256": "bb1271902222baf5112c040bd48c76fc9d4ba523cfdde7968942a6d3e416b109"}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/devel/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE", "anchor": "FUNCTIONS-BIT-STRING-OP-TABLE", "locale": "zh-Hans", "version": "20", "build_id": 111, "page_key": "functions-bitstring.html", "extraction": "concept-introduction", "source_hash": "f22387fd3796ce51ee157df5a6fb53275db338eda98bbe172d51458e016b41dd", "fragment_sha256": "d068abc7b70f2b77c785468d91f7cc1ce2674bb5b9fbf26d610feb3d00b86e29", "source_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:98c980963b401d40bd50df72b909e7523e3148b8fdb48edd897de2efb67e5235", "translated_from_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "body_sha256": "af8b9435423910d4d5c052350efe588ede84aa37464caeb7b69778835e39dc49", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "bit"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int4"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bit"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "bitshiftleft(bit,int4)"}, {"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": "bitshiftleft(bit,int4)", "hash_join": "f", "left_type": "bit", "commutator": "", "merge_join": "f", "right_type": "int4", "result_type": "bit"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6309\u4f4d\u5de6\u79fb\uff08\u5b57\u7b26\u4e32\u957f\u5ea6\u88ab\u4fdd\u7559\uff09", "B'10001' << 3 \u2192 01000"]}, {"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": "<<(bit,int4)", "locale": "zh-Hans", "source": {"key": "op-3c3c-bit-int4", "locale": "zh-Hans", "version": "20", "text_hash": "22a3b0c2658754e19e8d93678accad823ec0f20c7f76f51beb1b79b41e8e5107", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "bit"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int4"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bit"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "bitshiftleft(bit,int4)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/devel/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE", "anchor": "FUNCTIONS-BIT-STRING-OP-TABLE", "locale": "zh-Hans", "version": "20", "build_id": 111, "page_key": "functions-bitstring.html", "extraction": "concept-introduction", "source_hash": "f22387fd3796ce51ee157df5a6fb53275db338eda98bbe172d51458e016b41dd", "fragment_sha256": "d068abc7b70f2b77c785468d91f7cc1ce2674bb5b9fbf26d610feb3d00b86e29", "source_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:98c980963b401d40bd50df72b909e7523e3148b8fdb48edd897de2efb67e5235", "translated_from_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "body_sha256": "af8b9435423910d4d5c052350efe588ede84aa37464caeb7b69778835e39dc49", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6309\u4f4d\u5de6\u79fb\uff08\u5b57\u7b26\u4e32\u957f\u5ea6\u88ab\u4fdd\u7559\uff09", "B'10001' << 3 \u2192 01000"]}, {"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": "\u6309\u4f4d\u5de6\u79fb\u3002", "description_zh_html": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p class=\"title\"><strong>\u8868\u00a09.14.\u00a0\u4f4d\u4e32\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/devel/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "summary": "\u6309\u4f4d\u5de6\u79fb\u3002", "version": "20", "link_map": {"/zh/docs/devel/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE": "/docs/devel/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE"}, "body_html": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.14.\u00a0\u4f4d\u4e32\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/devel/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "body_sha256": "1b58d1efe36c987716171d0bbccd959cfdd7ac9cc44b6367007592d3e3f5e983", "content_hash": "22a3b0c2658754e19e8d93678accad823ec0f20c7f76f51beb1b79b41e8e5107", "source_database": "center", "source_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "signature": "<<(bit,int4) \u2192 bit", "tables_zh": [], "source_oid": "1795", "description": ["\u6309\u4f4d\u5de6\u79fb\u3002"], "memberships": [], "sections_zh": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6309\u4f4d\u5de6\u79fb\uff08\u5b57\u7b26\u4e32\u957f\u5ea6\u88ab\u4fdd\u7559\uff09", "B'10001' << 3 \u2192 01000"]}, {"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/devel/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "573e7b9d66caef244b2c03df37b3c4b39b92c1b0e7f32fa8bd3e09d17d5591be", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}, {"url": "/docs/devel/functions-bitstring.html", "method": "same-major semantic node", "sha256": "62e22ba225ff928d5b56db7fd564827ce1654a4d870608c0e29aca3eac1365ab", "language": "zh", "matched_nodes": ["#FUNCTIONS-BITSTRING/div[3]/div[1]/table[0]/tbody[2]/tr[5]/td[0]/p[1]"]}], "language": "zh", "original_text": {"/summary": "bitwise shift left", "/category": "Bit strings", "/versions/20/description/0": "bitwise shift left", "/versions/20/facts/0/label": "Left operand", "/versions/20/facts/1/label": "Right operand", "/versions/20/facts/2/label": "Result type", "/versions/20/facts/3/label": "Implementing function", "/versions/20/facts/4/label": "Operator kind", "/versions/20/facts/5/label": "Hash join candidate", "/versions/20/facts/5/value": "no", "/versions/20/facts/6/label": "Merge join candidate", "/versions/20/facts/6/value": "no", "/versions/20/related/0/label": "bit data type", "/versions/20/related/1/label": "int4 data type", "/versions/20/sections/0/title": "English manual definition", "/versions/20/sections/1/title": "Catalog interpretation", "/versions/20/sections/0/paragraphs/0": "Bitwise shift left (string length is preserved)", "/versions/20/sections/1/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 36.14 for more information."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "f201f1c9ca50a8fc7442c9fc62a4b8affcebf7dba44f3e8c38120777a30ede7f", "canonical_center_text_hash": "22a3b0c2658754e19e8d93678accad823ec0f20c7f76f51beb1b79b41e8e5107"}, "description_zh": "\u6309\u4f4d\u5de6\u79fb\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<<", "negator": "", "function": "bitshiftleft(bit,int4)", "hash_join": "f", "left_type": "bit", "commutator": "", "merge_join": "f", "right_type": "int4", "result_type": "bit"}, "memberships": []}, "comparison_hash": "9d45d577a9037feba31cbcded1a794461418bf7d93c8963ac3c57f4d5a850c56", "manual_language": "zh", "manual_semantics": "Exact operand/result signature matched", "description_zh_html": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.14.\u00a0\u4f4d\u4e32\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/devel/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "source_revalidation": {"kind": "static-same-version-source-and-manual-replay", "audit": "wiki-audit-20261023", "runtime_rerun": false, "compared_fields": "entity membership and source-derived facts; presentation markup normalized", "source_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "previous_source_revision": "4d3346909b201ac1648232cf290462a7070c119326f56196f1f0253ed80fae41"}}}}, "snapshot": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "bit"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int4"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bit"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "bitshiftleft(bit,int4)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [], "aliases": ["<<", "<<(bit,int4)"], "related": [{"url": "/wiki/type/bit/?v=18", "label": "bit \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/int4/?v=18", "label": "int4 \u6570\u636e\u7c7b\u578b"}], "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-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE", "path": "functions-bitstring.html", "label": "PostgreSQL 18 English manual: functions-bitstring.html", "sha256": "e710b5de82fd3f8d085943ebb37c543709251f3ddf25038612cd096b61cbd913"}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/18/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE", "anchor": "FUNCTIONS-BIT-STRING-OP-TABLE", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "functions-bitstring.html", "extraction": "concept-introduction", "source_hash": "ae2ebebebe8b993afa5b42f84508e1c93fb9461e00e4253e09eb23254801980c", "fragment_sha256": "d068abc7b70f2b77c785468d91f7cc1ce2674bb5b9fbf26d610feb3d00b86e29", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "e7b03c83015453c6789a465ded2486ac7f2605c455a79c4e4ea392b4e42ebb56", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "bit"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int4"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bit"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "bitshiftleft(bit,int4)"}, {"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": "bitshiftleft(bit,int4)", "hash_join": "f", "left_type": "bit", "commutator": "", "merge_join": "f", "right_type": "int4", "result_type": "bit"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6309\u4f4d\u5de6\u79fb\uff08\u5b57\u7b26\u4e32\u957f\u5ea6\u88ab\u4fdd\u7559\uff09", "B'10001' << 3 \u2192 01000"]}, {"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": "<<(bit,int4)", "locale": "zh-Hans", "source": {"key": "op-3c3c-bit-int4", "locale": "zh-Hans", "version": "18", "text_hash": "6f98773eaa0e87bb7bc325d8cdf943698e446b7e83e90a6e30e1e047be85b894", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "bit"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "int4"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "bit"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "bitshiftleft(bit,int4)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/18/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE", "anchor": "FUNCTIONS-BIT-STRING-OP-TABLE", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "functions-bitstring.html", "extraction": "concept-introduction", "source_hash": "ae2ebebebe8b993afa5b42f84508e1c93fb9461e00e4253e09eb23254801980c", "fragment_sha256": "d068abc7b70f2b77c785468d91f7cc1ce2674bb5b9fbf26d610feb3d00b86e29", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "e7b03c83015453c6789a465ded2486ac7f2605c455a79c4e4ea392b4e42ebb56", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6309\u4f4d\u5de6\u79fb\uff08\u5b57\u7b26\u4e32\u957f\u5ea6\u88ab\u4fdd\u7559\uff09", "B'10001' << 3 \u2192 01000"]}, {"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": "\u6309\u4f4d\u5de6\u79fb\u3002", "description_zh_html": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p class=\"title\"><strong>\u8868\u00a09.14.\u00a0\u4f4d\u4e32\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/18/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "summary": "\u6309\u4f4d\u5de6\u79fb\u3002", "version": "18", "link_map": {"/zh/docs/18/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE": "/docs/18/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE"}, "body_html": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.14.\u00a0\u4f4d\u4e32\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/18/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "body_sha256": "ae97a28149ebcbb9860daff2eca7f096d91ec27f2e8523be24e73f7ece876769", "content_hash": "6f98773eaa0e87bb7bc325d8cdf943698e446b7e83e90a6e30e1e047be85b894", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "signature": "<<(bit,int4) \u2192 bit", "tables_zh": [], "source_oid": "1795", "description": ["\u6309\u4f4d\u5de6\u79fb\u3002"], "memberships": [], "sections_zh": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6309\u4f4d\u5de6\u79fb\uff08\u5b57\u7b26\u4e32\u957f\u5ea6\u88ab\u4fdd\u7559\uff09", "B'10001' << 3 \u2192 01000"]}, {"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/18/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "7cfcd945bbbd55377dea8d4bd57380014caceb4e83c5db3be16c23eb5991d68f", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}, {"url": "/docs/18/functions-bitstring.html", "method": "same-major semantic node", "sha256": "f69b54dda4ee97fd2d89917e573470b448c5adbabe7e6aa6f450ae7c45eea1f6", "language": "zh", "matched_nodes": ["#FUNCTIONS-BITSTRING/div[3]/div[1]/table[0]/tbody[2]/tr[5]/td[0]/p[1]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "bitwise shift left", "/versions/18/facts/0/label": "Left operand", "/versions/18/facts/1/label": "Right operand", "/versions/18/facts/2/label": "Result type", "/versions/18/facts/3/label": "Implementing function", "/versions/18/facts/4/label": "Operator kind", "/versions/18/facts/5/label": "Hash join candidate", "/versions/18/facts/5/value": "no", "/versions/18/facts/6/label": "Merge join candidate", "/versions/18/facts/6/value": "no", "/versions/18/related/0/label": "bit data type", "/versions/18/related/1/label": "int4 data type", "/versions/18/sections/0/title": "English manual definition", "/versions/18/sections/1/title": "Catalog interpretation", "/versions/18/sections/0/paragraphs/0": "Bitwise shift left (string length is preserved)", "/versions/18/sections/1/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 36.14 for more information."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "32ad75541ee090854a10e752d310b6be4d8afae1fb2ac2e4f99c7c6548c31299", "canonical_center_text_hash": "6f98773eaa0e87bb7bc325d8cdf943698e446b7e83e90a6e30e1e047be85b894"}, "description_zh": "\u6309\u4f4d\u5de6\u79fb\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "<<", "negator": "", "function": "bitshiftleft(bit,int4)", "hash_join": "f", "left_type": "bit", "commutator": "", "merge_join": "f", "right_type": "int4", "result_type": "bit"}, "memberships": []}, "comparison_hash": "9d45d577a9037feba31cbcded1a794461418bf7d93c8963ac3c57f4d5a850c56", "manual_language": "zh", "manual_semantics": "Exact operand/result signature matched", "description_zh_html": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.14.\u00a0\u4f4d\u4e32\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/18/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE\" rel=\"nofollow\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>", "center_zh_rendered": "<p>\u6309\u4f4d\u5de6\u79fb\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>&lt;&lt;</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>bitshiftleft(bit,int4)</code></dd><dt>\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>bit</code></dd><dt>\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5</dt><dd><code>\u5426</code></dd><dt>\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b</dt><dd><code>int4</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>bit</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.14.\u00a0\u4f4d\u4e32\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/docs/18/functions-bitstring.html#FUNCTIONS-BIT-STRING-OP-TABLE\">\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587</a>\u3002</p><p>\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002</p>"}, "comparison": {"left": "17", "right": "18", "status": "unchanged", "diff": ""}}