{"kind": "operator", "major": "18", "item": {"slug": "op-5e-numeric-numeric", "name": "^(numeric,numeric)", "name_zh": "", "category": "\u6570\u503c", "summary": "\u4e58\u65b9\u3002", "aliases": ["^", "^(numeric,numeric)"], "content_hash": "2dcadbd1af45f6334224f5eb42217fb292e254fdeb2b09b6e67bdfab1d57bd4a", "versions": {"10": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "numeric"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "numeric_power(numeric,numeric)"}, {"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": ["^", "^(numeric,numeric)"], "related": [{"url": "/wiki/type/numeric/?v=10", "label": "numeric \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": "b331a4564875cc8ffd2e80dcba0c21f6b8be3f2758c759c0cd285ee2aad6f3ef", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "numeric"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "numeric_power(numeric,numeric)"}, {"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": "numeric_power(numeric,numeric)", "hash_join": "f", "left_type": "numeric", "commutator": "", "merge_join": "f", "right_type": "numeric", "result_type": "numeric"}, "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": "^(numeric,numeric)", "locale": "zh-Hans", "source": {"key": "op-5e-numeric-numeric", "locale": "zh-Hans", "version": "10", "text_hash": "3ca9c6910b66c8d11632e51fdf13fe5185f13953d5a62c7961e300bfbdcde94c", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "numeric"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "numeric_power(numeric,numeric)"}, {"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": "b331a4564875cc8ffd2e80dcba0c21f6b8be3f2758c759c0cd285ee2aad6f3ef", "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": "\u4e58\u65b9\u3002", "description_zh_html": "<p>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</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": "\u4e58\u65b9\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>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</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": "9ddd25698672511a83fc7475196aa5e93f7fabfa69d0be5f7f944e07de4f1d9e", "content_hash": "3ca9c6910b66c8d11632e51fdf13fe5185f13953d5a62c7961e300bfbdcde94c", "source_database": "center", "source_revision": "94a4b2528372458e5662c18d406629266667c437198160a18cdfd2c4a4d6eee9"}, "signature": "^(numeric,numeric) \u2192 numeric", "tables_zh": [], "source_oid": "1038", "description": ["\u4e58\u65b9\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": "exponentiation", "/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": "numeric 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": "74d2b871f6de4d64f157744a59d2f130bf754d184603c26315111362a675cee1", "canonical_center_text_hash": "3ca9c6910b66c8d11632e51fdf13fe5185f13953d5a62c7961e300bfbdcde94c"}, "description_zh": "\u4e58\u65b9\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "^", "negator": "", "function": "numeric_power(numeric,numeric)", "hash_join": "f", "left_type": "numeric", "commutator": "", "merge_join": "f", "right_type": "numeric", "result_type": "numeric"}, "memberships": []}, "comparison_hash": "319c80cd50b8dd016a3ff3d5e3bbf98fda164c27e21e262faea8efcda1826155", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "<p>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</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": "numeric"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "numeric"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "numeric_power(numeric,numeric)"}, {"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": ["^", "^(numeric,numeric)"], "related": [{"url": "/wiki/type/numeric/?v=11", "label": "numeric \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": "2a2ddd7f27fa0695f03d2aa184f57cb4235b1db3f0d2452d19328f29e467b45f", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "numeric"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "numeric_power(numeric,numeric)"}, {"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": "numeric_power(numeric,numeric)", "hash_join": "f", "left_type": "numeric", "commutator": "", "merge_join": "f", "right_type": "numeric", "result_type": "numeric"}, "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": "^(numeric,numeric)", "locale": "zh-Hans", "source": {"key": "op-5e-numeric-numeric", "locale": "zh-Hans", "version": "11", "text_hash": "6d21a5f7061ec235de0aee0af73d5e12b64633f65de386f5ede5f51d1daeb2c4", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "numeric"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "numeric_power(numeric,numeric)"}, {"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": "2a2ddd7f27fa0695f03d2aa184f57cb4235b1db3f0d2452d19328f29e467b45f", "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": "\u4e58\u65b9\u3002", "description_zh_html": "<p>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</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": "\u4e58\u65b9\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>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</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": "b57093c3f943bb3be6acbb077010a58a47948de09538041dd99411e0de0b3e5d", "content_hash": "6d21a5f7061ec235de0aee0af73d5e12b64633f65de386f5ede5f51d1daeb2c4", "source_database": "center", "source_revision": "2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0"}, "signature": "^(numeric,numeric) \u2192 numeric", "tables_zh": [], "source_oid": "1038", "description": ["\u4e58\u65b9\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": "exponentiation", "/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": "numeric 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": "90fa979f10e7348f6016230b759735262684bb8aa70e5bbe541c59177f94147d", "canonical_center_text_hash": "6d21a5f7061ec235de0aee0af73d5e12b64633f65de386f5ede5f51d1daeb2c4"}, "description_zh": "\u4e58\u65b9\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "^", "negator": "", "function": "numeric_power(numeric,numeric)", "hash_join": "f", "left_type": "numeric", "commutator": "", "merge_join": "f", "right_type": "numeric", "result_type": "numeric"}, "memberships": []}, "comparison_hash": "319c80cd50b8dd016a3ff3d5e3bbf98fda164c27e21e262faea8efcda1826155", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "<p>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</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": "numeric"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "numeric"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "numeric_power(numeric,numeric)"}, {"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": ["^", "^(numeric,numeric)"], "related": [{"url": "/wiki/type/numeric/?v=12", "label": "numeric \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": "57636c023ffde705b28ba8f2d734669d1b0c3bbb5574245402bbf117e8c14493", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "numeric"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "numeric_power(numeric,numeric)"}, {"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": "numeric_power(numeric,numeric)", "hash_join": "f", "left_type": "numeric", "commutator": "", "merge_join": "f", "right_type": "numeric", "result_type": "numeric"}, "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": "^(numeric,numeric)", "locale": "zh-Hans", "source": {"key": "op-5e-numeric-numeric", "locale": "zh-Hans", "version": "12", "text_hash": "6df774c9acbf111afea4375116d7faa398e23e30d3a27559b8d230cd405b5827", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "numeric"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "numeric_power(numeric,numeric)"}, {"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": "57636c023ffde705b28ba8f2d734669d1b0c3bbb5574245402bbf117e8c14493", "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": "\u4e58\u65b9\u3002", "description_zh_html": "<p>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</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": "\u4e58\u65b9\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>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</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": "785886d969f7a9cccf4ab5ac50d70fd88d4d74976cdc9f8f583c8bfb72ca3446", "content_hash": "6df774c9acbf111afea4375116d7faa398e23e30d3a27559b8d230cd405b5827", "source_database": "center", "source_revision": "8df3c0474782589d3c6f374b5133b1bd14d168086edbc13c6e72e67dd4527a3b"}, "signature": "^(numeric,numeric) \u2192 numeric", "tables_zh": [], "source_oid": "1038", "description": ["\u4e58\u65b9\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": "exponentiation", "/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": "numeric 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": "f43f03e1cb2f295e8fc20626746c76b86994df5e93d5aa7803b8fde8c47d15fc", "canonical_center_text_hash": "6df774c9acbf111afea4375116d7faa398e23e30d3a27559b8d230cd405b5827"}, "description_zh": "\u4e58\u65b9\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "^", "negator": "", "function": "numeric_power(numeric,numeric)", "hash_join": "f", "left_type": "numeric", "commutator": "", "merge_join": "f", "right_type": "numeric", "result_type": "numeric"}, "memberships": []}, "comparison_hash": "319c80cd50b8dd016a3ff3d5e3bbf98fda164c27e21e262faea8efcda1826155", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "<p>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</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": "numeric"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "numeric"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "numeric_power(numeric,numeric)"}, {"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": ["^", "^(numeric,numeric)"], "related": [{"url": "/wiki/type/numeric/?v=13", "label": "numeric \u6570\u636e\u7c7b\u578b"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v13.23/postgresql-13.23.tar.bz2", "label": "13.23", "major": "13", "channel": "historical", "revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6", "source_sha256": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6", "manual_fingerprint": "2bbea71f4723fc9e4e58cfdb28368763f999de2800d45ade748f7c7546dfb9d3", "catalog_fingerprint": "df58d29b226fbb90326087233d7970032abdec1352373270449eeee324f84a35"}, "sources": [{"url": "https://ftp.postgresql.org/pub/source/v13.23/postgresql-13.23.tar.bz2", "label": "Matching PostgreSQL source archive", "sha256": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, {"url": "/docs/13/catalog-pg-operator.html", "path": "catalog-pg-operator.html", "label": "PostgreSQL 13 English manual: catalog-pg-operator.html", "sha256": "1a325d2fa41f711c0a7fa6b57e37e8e98a59f218e01112e0767c455c1b5818a1"}, {"url": "/docs/13/catalog-pg-amop.html", "path": "catalog-pg-amop.html", "label": "PostgreSQL 13 English manual: catalog-pg-amop.html", "sha256": "7a8e67f8dc59c305612c6d029fc8760c092f27203d5338c6db6c6d9b8aabc561"}, {"url": "/docs/13/functions-math.html#FUNCTIONS-MATH-OP-TABLE", "path": "functions-math.html", "label": "PostgreSQL 13 English manual: functions-math.html", "sha256": "0472e4bfe169f5b929cd2faab674459baabb8f8b2eb6959ca45748f52c80aecf"}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/13/functions-math.html#FUNCTIONS-MATH-OP-TABLE", "anchor": "FUNCTIONS-MATH-OP-TABLE", "locale": "zh-Hans", "version": "13", "build_id": 66, "page_key": "functions-math.html", "extraction": "concept-introduction", "source_hash": "86e85545d07e72c5c55b637e3278a6f4543b215f1924bd3bf47e7a36f67fe9b7", "fragment_sha256": "16f674f0d477a38b0709d278b491d740dc4a920c257b6ae4049132fdd373af9d", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:a13a825c39f0268ef1cfe9137e283e38d0da73b2d7894f0733c7b26372a4f6a4", "translated_from_revision": null}, "body_sha256": "4ebbe3d0daf07d45b33bace74641ce61faf0d61215c6fabbff2b3afe67340470", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "numeric"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "numeric_power(numeric,numeric)"}, {"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": "numeric_power(numeric,numeric)", "hash_join": "f", "left_type": "numeric", "commutator": "", "merge_join": "f", "right_type": "numeric", "result_type": "numeric"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6c42\u5e42", "2 ^ 3 \u2192 8", "\u4e0e\u901a\u5e38\u7684\u6570\u5b66\u60ef\u4f8b\u4e0d\u540c\uff0c\u591a\u6b21\u4f7f\u7528 ^ \u65f6\u9ed8\u8ba4\u4ece\u5de6\u5230\u53f3\u7ed3\u5408\uff1a", "2 ^ 3 ^ 3 \u2192 512", "2 ^ (3 ^ 3) \u2192 134217728"]}, {"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": "^(numeric,numeric)", "locale": "zh-Hans", "source": {"key": "op-5e-numeric-numeric", "locale": "zh-Hans", "version": "13", "text_hash": "67e0ded0d48e3effb390c46de94a85072d67b501f7e68e3f2760de975b2ee563", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "numeric"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "numeric_power(numeric,numeric)"}, {"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-math.html#FUNCTIONS-MATH-OP-TABLE", "anchor": "FUNCTIONS-MATH-OP-TABLE", "locale": "zh-Hans", "version": "13", "build_id": 66, "page_key": "functions-math.html", "extraction": "concept-introduction", "source_hash": "86e85545d07e72c5c55b637e3278a6f4543b215f1924bd3bf47e7a36f67fe9b7", "fragment_sha256": "16f674f0d477a38b0709d278b491d740dc4a920c257b6ae4049132fdd373af9d", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "snapshot:sha256:a13a825c39f0268ef1cfe9137e283e38d0da73b2d7894f0733c7b26372a4f6a4", "translated_from_revision": null}, "body_sha256": "4ebbe3d0daf07d45b33bace74641ce61faf0d61215c6fabbff2b3afe67340470", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6c42\u5e42", "2 ^ 3 \u2192 8", "\u4e0e\u901a\u5e38\u7684\u6570\u5b66\u60ef\u4f8b\u4e0d\u540c\uff0c\u591a\u6b21\u4f7f\u7528 ^ \u65f6\u9ed8\u8ba4\u4ece\u5de6\u5230\u53f3\u7ed3\u5408\uff1a", "2 ^ 3 ^ 3 \u2192 512", "2 ^ (3 ^ 3) \u2192 134217728"]}, {"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": "\u4e58\u65b9\u3002", "description_zh_html": "<p>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p class=\"title\"><strong>\u8868\u00a09.4.\u00a0\u6570\u5b66\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/13/functions-math.html#FUNCTIONS-MATH-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": "\u4e58\u65b9\u3002", "version": "13", "link_map": {"/zh/docs/13/functions-math.html#FUNCTIONS-MATH-OP-TABLE": "/docs/13/functions-math.html#FUNCTIONS-MATH-OP-TABLE"}, "body_html": "<p>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.4.\u00a0\u6570\u5b66\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/13/functions-math.html#FUNCTIONS-MATH-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": "3e112781c9a07fb83b67fa61edc0fa80ae3dce2aeb82af634a769d15e0a80fcd", "content_hash": "67e0ded0d48e3effb390c46de94a85072d67b501f7e68e3f2760de975b2ee563", "source_database": "center", "source_revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, "signature": "^(numeric,numeric) \u2192 numeric", "tables_zh": [], "source_oid": "1038", "description": ["\u4e58\u65b9\u3002"], "memberships": [], "sections_zh": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6c42\u5e42", "2 ^ 3 \u2192 8", "\u4e0e\u901a\u5e38\u7684\u6570\u5b66\u60ef\u4f8b\u4e0d\u540c\uff0c\u591a\u6b21\u4f7f\u7528 ^ \u65f6\u9ed8\u8ba4\u4ece\u5de6\u5230\u53f3\u7ed3\u5408\uff1a", "2 ^ 3 ^ 3 \u2192 512", "2 ^ (3 ^ 3) \u2192 134217728"]}, {"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 37.14 \u8282 \u3002", "\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002"]}], "localization": {"status": "complete", "sources": [{"url": "/docs/13/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "46fd38944eeaedaf5977bf7e555facfc61d03f97bee7df978680e2d60921724e", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]", "#CATALOG-PG-OPERATOR/p[5]"]}, {"url": "/docs/13/functions-math.html", "method": "same-major semantic node", "sha256": "eec4ca2d5a130e38af2e1b78f84d1e8d9845b108a9c845480df82c4750d4a563", "language": "zh", "matched_nodes": ["#FUNCTIONS-MATH/div[3]/div[1]/table[0]/tbody[2]/tr[7]/td[0]/p[2]", "#FUNCTIONS-MATH/div[3]/div[1]/table[0]/tbody[2]/tr[7]/td[0]/p[4]"]}], "language": "zh", "original_text": {"/versions/13/description/0": "exponentiation", "/versions/13/facts/0/label": "Left operand", "/versions/13/facts/1/label": "Right operand", "/versions/13/facts/2/label": "Result type", "/versions/13/facts/3/label": "Implementing function", "/versions/13/facts/4/label": "Operator kind", "/versions/13/facts/5/label": "Hash join candidate", "/versions/13/facts/5/value": "no", "/versions/13/facts/6/label": "Merge join candidate", "/versions/13/facts/6/value": "no", "/versions/13/related/0/label": "numeric data type", "/versions/13/sections/0/title": "English manual definition", "/versions/13/sections/1/title": "Catalog interpretation", "/versions/13/sections/0/paragraphs/0": "Exponentiation", "/versions/13/sections/0/paragraphs/2": "Unlike typical mathematical practice, multiple uses of ^ will associate left to right by default:", "/versions/13/sections/1/paragraphs/0": "The catalog pg_operator stores information about operators. 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": "101466cf352bda4754d80f15c0283e17db46b0069a8d338a7bea8aff81ad1509", "canonical_center_text_hash": "67e0ded0d48e3effb390c46de94a85072d67b501f7e68e3f2760de975b2ee563"}, "description_zh": "\u4e58\u65b9\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "^", "negator": "", "function": "numeric_power(numeric,numeric)", "hash_join": "f", "left_type": "numeric", "commutator": "", "merge_join": "f", "right_type": "numeric", "result_type": "numeric"}, "memberships": []}, "comparison_hash": "319c80cd50b8dd016a3ff3d5e3bbf98fda164c27e21e262faea8efcda1826155", "manual_language": "zh", "manual_semantics": "Exact operand/result signature matched", "description_zh_html": "<p>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.4.\u00a0\u6570\u5b66\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/13/functions-math.html#FUNCTIONS-MATH-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": "numeric"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "numeric"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "numeric_power(numeric,numeric)"}, {"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": ["^", "^(numeric,numeric)"], "related": [{"url": "/wiki/type/numeric/?v=14", "label": "numeric \u6570\u636e\u7c7b\u578b"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v14.24/postgresql-14.24.tar.bz2", "label": "14.24", "major": "14", "channel": "stable", "revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897", "source_sha256": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897", "manual_fingerprint": "1d055c6dc55d4defe2b6e9d0f842a47005487b21025b67e51d06721d3c122f71", "catalog_fingerprint": "9e0116f26e5ce870719efb77ef7b73e30c7928f8af27cbe87fdea32efe3811ef"}, "sources": [{"url": "https://ftp.postgresql.org/pub/source/v14.24/postgresql-14.24.tar.bz2", "label": "Matching PostgreSQL source archive", "sha256": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, {"url": "/docs/14/catalog-pg-operator.html", "path": "catalog-pg-operator.html", "label": "PostgreSQL 14 English manual: catalog-pg-operator.html", "sha256": "5e69fa82a7f0b49efb4ba5fc669e5bd35aeeede75682493bfc87e6035b23dd4d"}, {"url": "/docs/14/catalog-pg-amop.html", "path": "catalog-pg-amop.html", "label": "PostgreSQL 14 English manual: catalog-pg-amop.html", "sha256": "402b87d7fb1a313b096ba5349a676ae38d507e2eb98739d6ed7f0681e0b9a9a4"}, {"url": "/docs/14/functions-math.html#FUNCTIONS-MATH-OP-TABLE", "path": "functions-math.html", "label": "PostgreSQL 14 English manual: functions-math.html", "sha256": "4bc7197f2597b8028a4891f641c711a564751514aae46abf6691182fa615bb3d"}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/14/functions-math.html#FUNCTIONS-MATH-OP-TABLE", "anchor": "FUNCTIONS-MATH-OP-TABLE", "locale": "zh-Hans", "version": "14", "build_id": 99, "page_key": "functions-math.html", "extraction": "concept-introduction", "source_hash": "8d097cb74821b1bc13629a9a69af7e9e479e92466158f5193f69e3e0d0089908", "fragment_sha256": "16f674f0d477a38b0709d278b491d740dc4a920c257b6ae4049132fdd373af9d", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:87e6aa4fd6e1ec85c5f4a6de4f5647cfd9e5de734ca2c266d32b6d6192c662ef", "translated_from_revision": null}, "body_sha256": "8f2398bf39ff897ae97b54eace1ab121467972ef721532fc2416111f32ba3b33", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "numeric"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "numeric_power(numeric,numeric)"}, {"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": "numeric_power(numeric,numeric)", "hash_join": "f", "left_type": "numeric", "commutator": "", "merge_join": "f", "right_type": "numeric", "result_type": "numeric"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6c42\u5e42", "2 ^ 3 \u2192 8", "\u4e0e\u901a\u5e38\u7684\u6570\u5b66\u60ef\u4f8b\u4e0d\u540c\uff0c\u591a\u6b21\u4f7f\u7528 ^ \u65f6\u9ed8\u8ba4\u4ece\u5de6\u5230\u53f3\u7ed3\u5408\uff1a", "2 ^ 3 ^ 3 \u2192 512", "2 ^ (3 ^ 3) \u2192 134217728"]}, {"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": "^(numeric,numeric)", "locale": "zh-Hans", "source": {"key": "op-5e-numeric-numeric", "locale": "zh-Hans", "version": "14", "text_hash": "02eff7da8822e608e1a714d3686c5d212a9ba1dd7c6d2fd292db4f0081cd1ac0", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "numeric"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "numeric_power(numeric,numeric)"}, {"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-math.html#FUNCTIONS-MATH-OP-TABLE", "anchor": "FUNCTIONS-MATH-OP-TABLE", "locale": "zh-Hans", "version": "14", "build_id": 99, "page_key": "functions-math.html", "extraction": "concept-introduction", "source_hash": "8d097cb74821b1bc13629a9a69af7e9e479e92466158f5193f69e3e0d0089908", "fragment_sha256": "16f674f0d477a38b0709d278b491d740dc4a920c257b6ae4049132fdd373af9d", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:87e6aa4fd6e1ec85c5f4a6de4f5647cfd9e5de734ca2c266d32b6d6192c662ef", "translated_from_revision": null}, "body_sha256": "8f2398bf39ff897ae97b54eace1ab121467972ef721532fc2416111f32ba3b33", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6c42\u5e42", "2 ^ 3 \u2192 8", "\u4e0e\u901a\u5e38\u7684\u6570\u5b66\u60ef\u4f8b\u4e0d\u540c\uff0c\u591a\u6b21\u4f7f\u7528 ^ \u65f6\u9ed8\u8ba4\u4ece\u5de6\u5230\u53f3\u7ed3\u5408\uff1a", "2 ^ 3 ^ 3 \u2192 512", "2 ^ (3 ^ 3) \u2192 134217728"]}, {"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": "\u4e58\u65b9\u3002", "description_zh_html": "<p>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p class=\"title\"><strong>\u8868\u00a09.4.\u00a0\u6570\u5b66\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/14/functions-math.html#FUNCTIONS-MATH-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": "\u4e58\u65b9\u3002", "version": "14", "link_map": {"/zh/docs/14/functions-math.html#FUNCTIONS-MATH-OP-TABLE": "/docs/14/functions-math.html#FUNCTIONS-MATH-OP-TABLE"}, "body_html": "<p>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.4.\u00a0\u6570\u5b66\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/14/functions-math.html#FUNCTIONS-MATH-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": "3574104a5d4f11ec9458dfb5dce15f2bce36d07d6ca9cef5c18df5ea6e6b2a84", "content_hash": "02eff7da8822e608e1a714d3686c5d212a9ba1dd7c6d2fd292db4f0081cd1ac0", "source_database": "center", "source_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "signature": "^(numeric,numeric) \u2192 numeric", "tables_zh": [], "source_oid": "1038", "description": ["\u4e58\u65b9\u3002"], "memberships": [], "sections_zh": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6c42\u5e42", "2 ^ 3 \u2192 8", "\u4e0e\u901a\u5e38\u7684\u6570\u5b66\u60ef\u4f8b\u4e0d\u540c\uff0c\u591a\u6b21\u4f7f\u7528 ^ \u65f6\u9ed8\u8ba4\u4ece\u5de6\u5230\u53f3\u7ed3\u5408\uff1a", "2 ^ 3 ^ 3 \u2192 512", "2 ^ (3 ^ 3) \u2192 134217728"]}, {"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-math.html", "method": "same-major semantic node", "sha256": "6422cdc484bea63d6b99bf7bef79fb4c475e385391ca3fa04bac4f01fb129f01", "language": "zh", "matched_nodes": ["#FUNCTIONS-MATH/div[3]/div[1]/table[0]/tbody[2]/tr[7]/td[0]/p[2]", "#FUNCTIONS-MATH/div[3]/div[1]/table[0]/tbody[2]/tr[7]/td[0]/p[4]"]}], "language": "zh", "original_text": {"/versions/14/description/0": "exponentiation", "/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": "numeric data type", "/versions/14/sections/0/title": "English manual definition", "/versions/14/sections/1/title": "Catalog interpretation", "/versions/14/sections/0/paragraphs/0": "Exponentiation", "/versions/14/sections/0/paragraphs/2": "Unlike typical mathematical practice, multiple uses of ^ will associate left to right by default:", "/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": "34a4e90730733229486542bea41a9cb726b1de1fee8c7578a03e7f7fe6cd0ac9", "canonical_center_text_hash": "02eff7da8822e608e1a714d3686c5d212a9ba1dd7c6d2fd292db4f0081cd1ac0"}, "description_zh": "\u4e58\u65b9\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "^", "negator": "", "function": "numeric_power(numeric,numeric)", "hash_join": "f", "left_type": "numeric", "commutator": "", "merge_join": "f", "right_type": "numeric", "result_type": "numeric"}, "memberships": []}, "comparison_hash": "319c80cd50b8dd016a3ff3d5e3bbf98fda164c27e21e262faea8efcda1826155", "manual_language": "zh", "manual_semantics": "Exact operand/result signature matched", "description_zh_html": "<p>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.4.\u00a0\u6570\u5b66\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/14/functions-math.html#FUNCTIONS-MATH-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": "numeric"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "numeric"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "numeric_power(numeric,numeric)"}, {"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": ["^", "^(numeric,numeric)"], "related": [{"url": "/wiki/type/numeric/?v=15", "label": "numeric \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-math.html#FUNCTIONS-MATH-OP-TABLE", "path": "functions-math.html", "label": "PostgreSQL 15 English manual: functions-math.html", "sha256": "bd04d1cf56c92d4d7c294a5eb3a37e426af5aff47b4d00770e0bbafb1aa0f2f9"}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/15/functions-math.html#FUNCTIONS-MATH-OP-TABLE", "anchor": "FUNCTIONS-MATH-OP-TABLE", "locale": "zh-Hans", "version": "15", "build_id": 101, "page_key": "functions-math.html", "extraction": "concept-introduction", "source_hash": "a9430aeb425daa5338822d286c7f0b175191bc5eef337aded5f3448b5a06d4b5", "fragment_sha256": "16f674f0d477a38b0709d278b491d740dc4a920c257b6ae4049132fdd373af9d", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:6bce1a2df9170cb1146a1411c5547190856638221a6539e618ee1016c9f493ad", "translated_from_revision": null}, "body_sha256": "c1d1e997b4f67a328f810b2f501aed6563f41d720d4a5dcf381fa92225ffb3b2", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "numeric"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "numeric_power(numeric,numeric)"}, {"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": "numeric_power(numeric,numeric)", "hash_join": "f", "left_type": "numeric", "commutator": "", "merge_join": "f", "right_type": "numeric", "result_type": "numeric"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6c42\u5e42", "2 ^ 3 \u2192 8", "\u4e0e\u901a\u5e38\u7684\u6570\u5b66\u60ef\u4f8b\u4e0d\u540c\uff0c\u591a\u6b21\u4f7f\u7528 ^ \u65f6\u9ed8\u8ba4\u4ece\u5de6\u5230\u53f3\u7ed3\u5408\uff1a", "2 ^ 3 ^ 3 \u2192 512", "2 ^ (3 ^ 3) \u2192 134217728"]}, {"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": "^(numeric,numeric)", "locale": "zh-Hans", "source": {"key": "op-5e-numeric-numeric", "locale": "zh-Hans", "version": "15", "text_hash": "5e8b62bf847819a6573c5df4143c36ff42953ff004ba7cd01b9fa32de8e721f7", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "numeric"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "numeric_power(numeric,numeric)"}, {"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-math.html#FUNCTIONS-MATH-OP-TABLE", "anchor": "FUNCTIONS-MATH-OP-TABLE", "locale": "zh-Hans", "version": "15", "build_id": 101, "page_key": "functions-math.html", "extraction": "concept-introduction", "source_hash": "a9430aeb425daa5338822d286c7f0b175191bc5eef337aded5f3448b5a06d4b5", "fragment_sha256": "16f674f0d477a38b0709d278b491d740dc4a920c257b6ae4049132fdd373af9d", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:6bce1a2df9170cb1146a1411c5547190856638221a6539e618ee1016c9f493ad", "translated_from_revision": null}, "body_sha256": "c1d1e997b4f67a328f810b2f501aed6563f41d720d4a5dcf381fa92225ffb3b2", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6c42\u5e42", "2 ^ 3 \u2192 8", "\u4e0e\u901a\u5e38\u7684\u6570\u5b66\u60ef\u4f8b\u4e0d\u540c\uff0c\u591a\u6b21\u4f7f\u7528 ^ \u65f6\u9ed8\u8ba4\u4ece\u5de6\u5230\u53f3\u7ed3\u5408\uff1a", "2 ^ 3 ^ 3 \u2192 512", "2 ^ (3 ^ 3) \u2192 134217728"]}, {"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": "\u4e58\u65b9\u3002", "description_zh_html": "<p>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p class=\"title\"><strong>\u8868\u00a09.4.\u00a0\u6570\u5b66\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/15/functions-math.html#FUNCTIONS-MATH-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": "\u4e58\u65b9\u3002", "version": "15", "link_map": {"/zh/docs/15/functions-math.html#FUNCTIONS-MATH-OP-TABLE": "/docs/15/functions-math.html#FUNCTIONS-MATH-OP-TABLE"}, "body_html": "<p>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.4.\u00a0\u6570\u5b66\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/15/functions-math.html#FUNCTIONS-MATH-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": "1c78f6dfd57c21c7dd0f8b270548d8779744d2fee21039efb238e8c473023f19", "content_hash": "5e8b62bf847819a6573c5df4143c36ff42953ff004ba7cd01b9fa32de8e721f7", "source_database": "center", "source_revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, "signature": "^(numeric,numeric) \u2192 numeric", "tables_zh": [], "source_oid": "1038", "description": ["\u4e58\u65b9\u3002"], "memberships": [], "sections_zh": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6c42\u5e42", "2 ^ 3 \u2192 8", "\u4e0e\u901a\u5e38\u7684\u6570\u5b66\u60ef\u4f8b\u4e0d\u540c\uff0c\u591a\u6b21\u4f7f\u7528 ^ \u65f6\u9ed8\u8ba4\u4ece\u5de6\u5230\u53f3\u7ed3\u5408\uff1a", "2 ^ 3 ^ 3 \u2192 512", "2 ^ (3 ^ 3) \u2192 134217728"]}, {"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-math.html", "method": "same-major semantic node", "sha256": "e67f43f9f06f976b69476ea062efc191c1417ca2ce100e08e18d0afe6c2220d0", "language": "zh", "matched_nodes": ["#FUNCTIONS-MATH/div[3]/div[1]/table[0]/tbody[2]/tr[7]/td[0]/p[2]", "#FUNCTIONS-MATH/div[3]/div[1]/table[0]/tbody[2]/tr[7]/td[0]/p[4]"]}], "language": "zh", "original_text": {"/versions/15/description/0": "exponentiation", "/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": "numeric data type", "/versions/15/sections/0/title": "English manual definition", "/versions/15/sections/1/title": "Catalog interpretation", "/versions/15/sections/0/paragraphs/0": "Exponentiation", "/versions/15/sections/0/paragraphs/2": "Unlike typical mathematical practice, multiple uses of ^ will associate left to right by default:", "/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": "dccaa8620a5c83e753140fce710e60afe57609e295dfd09c68000bf86b48b124", "canonical_center_text_hash": "5e8b62bf847819a6573c5df4143c36ff42953ff004ba7cd01b9fa32de8e721f7"}, "description_zh": "\u4e58\u65b9\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "^", "negator": "", "function": "numeric_power(numeric,numeric)", "hash_join": "f", "left_type": "numeric", "commutator": "", "merge_join": "f", "right_type": "numeric", "result_type": "numeric"}, "memberships": []}, "comparison_hash": "319c80cd50b8dd016a3ff3d5e3bbf98fda164c27e21e262faea8efcda1826155", "manual_language": "zh", "manual_semantics": "Exact operand/result signature matched", "description_zh_html": "<p>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.4.\u00a0\u6570\u5b66\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/15/functions-math.html#FUNCTIONS-MATH-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": "numeric"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "numeric"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "numeric_power(numeric,numeric)"}, {"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": ["^", "^(numeric,numeric)"], "related": [{"url": "/wiki/type/numeric/?v=16", "label": "numeric \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-math.html#FUNCTIONS-MATH-OP-TABLE", "path": "functions-math.html", "label": "PostgreSQL 16 English manual: functions-math.html", "sha256": "c704c5fe421a7ccfdcba49775187d62f4949f50d3e5ad56776610a560c614f53"}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/16/functions-math.html#FUNCTIONS-MATH-OP-TABLE", "anchor": "FUNCTIONS-MATH-OP-TABLE", "locale": "zh-Hans", "version": "16", "build_id": 103, "page_key": "functions-math.html", "extraction": "concept-introduction", "source_hash": "61928f9c99b49bce9169b96973a5c3ba09b76ccb9d63b23d94ff1d803275a6e8", "fragment_sha256": "16f674f0d477a38b0709d278b491d740dc4a920c257b6ae4049132fdd373af9d", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:80579a071736780f9c4022bb5148e1fb1256f1a33591306af67816e9e9bf3a9b", "translated_from_revision": null}, "body_sha256": "587523e08b883ee6785843f37376ad44f7174844f1cab66cd92966230169ec3c", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "numeric"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "numeric_power(numeric,numeric)"}, {"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": "numeric_power(numeric,numeric)", "hash_join": "f", "left_type": "numeric", "commutator": "", "merge_join": "f", "right_type": "numeric", "result_type": "numeric"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6c42\u5e42", "2 ^ 3 \u2192 8", "\u4e0e\u901a\u5e38\u7684\u6570\u5b66\u60ef\u4f8b\u4e0d\u540c\uff0c\u591a\u6b21\u4f7f\u7528 ^ \u65f6\u9ed8\u8ba4\u4ece\u5de6\u5230\u53f3\u7ed3\u5408\uff1a", "2 ^ 3 ^ 3 \u2192 512", "2 ^ (3 ^ 3) \u2192 134217728"]}, {"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": "^(numeric,numeric)", "locale": "zh-Hans", "source": {"key": "op-5e-numeric-numeric", "locale": "zh-Hans", "version": "16", "text_hash": "772289c05bde09d6e2ca1959f7e16d268169e0f82531fea3d95d0ba36d803fa4", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "numeric"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "numeric_power(numeric,numeric)"}, {"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-math.html#FUNCTIONS-MATH-OP-TABLE", "anchor": "FUNCTIONS-MATH-OP-TABLE", "locale": "zh-Hans", "version": "16", "build_id": 103, "page_key": "functions-math.html", "extraction": "concept-introduction", "source_hash": "61928f9c99b49bce9169b96973a5c3ba09b76ccb9d63b23d94ff1d803275a6e8", "fragment_sha256": "16f674f0d477a38b0709d278b491d740dc4a920c257b6ae4049132fdd373af9d", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:80579a071736780f9c4022bb5148e1fb1256f1a33591306af67816e9e9bf3a9b", "translated_from_revision": null}, "body_sha256": "587523e08b883ee6785843f37376ad44f7174844f1cab66cd92966230169ec3c", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6c42\u5e42", "2 ^ 3 \u2192 8", "\u4e0e\u901a\u5e38\u7684\u6570\u5b66\u60ef\u4f8b\u4e0d\u540c\uff0c\u591a\u6b21\u4f7f\u7528 ^ \u65f6\u9ed8\u8ba4\u4ece\u5de6\u5230\u53f3\u7ed3\u5408\uff1a", "2 ^ 3 ^ 3 \u2192 512", "2 ^ (3 ^ 3) \u2192 134217728"]}, {"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": "\u4e58\u65b9\u3002", "description_zh_html": "<p>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p class=\"title\"><strong>\u8868\u00a09.4.\u00a0\u6570\u5b66\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/16/functions-math.html#FUNCTIONS-MATH-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": "\u4e58\u65b9\u3002", "version": "16", "link_map": {"/zh/docs/16/functions-math.html#FUNCTIONS-MATH-OP-TABLE": "/docs/16/functions-math.html#FUNCTIONS-MATH-OP-TABLE"}, "body_html": "<p>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.4.\u00a0\u6570\u5b66\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/16/functions-math.html#FUNCTIONS-MATH-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": "f73981716ae33cf478dd63bb624ca9fa9edb25842b4bfa99064b23865bc1b2ef", "content_hash": "772289c05bde09d6e2ca1959f7e16d268169e0f82531fea3d95d0ba36d803fa4", "source_database": "center", "source_revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, "signature": "^(numeric,numeric) \u2192 numeric", "tables_zh": [], "source_oid": "1038", "description": ["\u4e58\u65b9\u3002"], "memberships": [], "sections_zh": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6c42\u5e42", "2 ^ 3 \u2192 8", "\u4e0e\u901a\u5e38\u7684\u6570\u5b66\u60ef\u4f8b\u4e0d\u540c\uff0c\u591a\u6b21\u4f7f\u7528 ^ \u65f6\u9ed8\u8ba4\u4ece\u5de6\u5230\u53f3\u7ed3\u5408\uff1a", "2 ^ 3 ^ 3 \u2192 512", "2 ^ (3 ^ 3) \u2192 134217728"]}, {"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-math.html", "method": "same-major semantic node", "sha256": "3262c3e45ac38d3912cfa097bef2360990d126a1e59a6dcaabff6fc4684dd148", "language": "zh", "matched_nodes": ["#FUNCTIONS-MATH/div[3]/div[1]/table[0]/tbody[2]/tr[7]/td[0]/p[2]", "#FUNCTIONS-MATH/div[3]/div[1]/table[0]/tbody[2]/tr[7]/td[0]/p[4]"]}], "language": "zh", "original_text": {"/versions/16/description/0": "exponentiation", "/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": "numeric data type", "/versions/16/sections/0/title": "English manual definition", "/versions/16/sections/1/title": "Catalog interpretation", "/versions/16/sections/0/paragraphs/0": "Exponentiation", "/versions/16/sections/0/paragraphs/2": "Unlike typical mathematical practice, multiple uses of ^ will associate left to right by default:", "/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": "00d8c1671f7963ae24a9d3bd213128a16ace55ccbff2a16bc11dfb1737f8d504", "canonical_center_text_hash": "772289c05bde09d6e2ca1959f7e16d268169e0f82531fea3d95d0ba36d803fa4"}, "description_zh": "\u4e58\u65b9\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "^", "negator": "", "function": "numeric_power(numeric,numeric)", "hash_join": "f", "left_type": "numeric", "commutator": "", "merge_join": "f", "right_type": "numeric", "result_type": "numeric"}, "memberships": []}, "comparison_hash": "319c80cd50b8dd016a3ff3d5e3bbf98fda164c27e21e262faea8efcda1826155", "manual_language": "zh", "manual_semantics": "Exact operand/result signature matched", "description_zh_html": "<p>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.4.\u00a0\u6570\u5b66\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/16/functions-math.html#FUNCTIONS-MATH-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": "numeric"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "numeric"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "numeric_power(numeric,numeric)"}, {"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": ["^", "^(numeric,numeric)"], "related": [{"url": "/wiki/type/numeric/?v=17", "label": "numeric \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-math.html#FUNCTIONS-MATH-OP-TABLE", "path": "functions-math.html", "label": "PostgreSQL 17 English manual: functions-math.html", "sha256": "b58b47abc79ef81fca670f8a195d853b302797285982afbe37fe4d70df8d6f09"}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/17/functions-math.html#FUNCTIONS-MATH-OP-TABLE", "anchor": "FUNCTIONS-MATH-OP-TABLE", "locale": "zh-Hans", "version": "17", "build_id": 105, "page_key": "functions-math.html", "extraction": "concept-introduction", "source_hash": "94ff9754186b49996200cde2ce74983b771d5ba98f07156a885893f6779f43ec", "fragment_sha256": "16f674f0d477a38b0709d278b491d740dc4a920c257b6ae4049132fdd373af9d", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:7340767258d21c21b36f373f1fff6bab2be18e0daca13a865129db6105c09efd", "translated_from_revision": null}, "body_sha256": "844767bb85f2cdc38e9369b781a1a5048eead8123269e4fe84f6c5b94c86e75c", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "numeric"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "numeric_power(numeric,numeric)"}, {"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": "numeric_power(numeric,numeric)", "hash_join": "f", "left_type": "numeric", "commutator": "", "merge_join": "f", "right_type": "numeric", "result_type": "numeric"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6c42\u5e42", "2 ^ 3 \u2192 8", "\u4e0e\u901a\u5e38\u7684\u6570\u5b66\u60ef\u4f8b\u4e0d\u540c\uff0c\u591a\u6b21\u4f7f\u7528 ^ \u65f6\u9ed8\u8ba4\u4ece\u5de6\u5230\u53f3\u7ed3\u5408\uff1a", "2 ^ 3 ^ 3 \u2192 512", "2 ^ (3 ^ 3) \u2192 134217728"]}, {"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": "^(numeric,numeric)", "locale": "zh-Hans", "source": {"key": "op-5e-numeric-numeric", "locale": "zh-Hans", "version": "17", "text_hash": "a21bb4800d87900c621d88c2e1aace061e691e535aea959a3f2a148f343ae444", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "numeric"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "numeric_power(numeric,numeric)"}, {"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-math.html#FUNCTIONS-MATH-OP-TABLE", "anchor": "FUNCTIONS-MATH-OP-TABLE", "locale": "zh-Hans", "version": "17", "build_id": 105, "page_key": "functions-math.html", "extraction": "concept-introduction", "source_hash": "94ff9754186b49996200cde2ce74983b771d5ba98f07156a885893f6779f43ec", "fragment_sha256": "16f674f0d477a38b0709d278b491d740dc4a920c257b6ae4049132fdd373af9d", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:7340767258d21c21b36f373f1fff6bab2be18e0daca13a865129db6105c09efd", "translated_from_revision": null}, "body_sha256": "844767bb85f2cdc38e9369b781a1a5048eead8123269e4fe84f6c5b94c86e75c", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6c42\u5e42", "2 ^ 3 \u2192 8", "\u4e0e\u901a\u5e38\u7684\u6570\u5b66\u60ef\u4f8b\u4e0d\u540c\uff0c\u591a\u6b21\u4f7f\u7528 ^ \u65f6\u9ed8\u8ba4\u4ece\u5de6\u5230\u53f3\u7ed3\u5408\uff1a", "2 ^ 3 ^ 3 \u2192 512", "2 ^ (3 ^ 3) \u2192 134217728"]}, {"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": "\u4e58\u65b9\u3002", "description_zh_html": "<p>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p class=\"title\"><strong>\u8868\u00a09.4.\u00a0\u6570\u5b66\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/17/functions-math.html#FUNCTIONS-MATH-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": "\u4e58\u65b9\u3002", "version": "17", "link_map": {"/zh/docs/17/functions-math.html#FUNCTIONS-MATH-OP-TABLE": "/docs/17/functions-math.html#FUNCTIONS-MATH-OP-TABLE"}, "body_html": "<p>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.4.\u00a0\u6570\u5b66\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/17/functions-math.html#FUNCTIONS-MATH-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": "ce839e8d58c72c946123b4b250897fe94b5f1bccbafeb8ea89b4a9876a9e97ea", "content_hash": "a21bb4800d87900c621d88c2e1aace061e691e535aea959a3f2a148f343ae444", "source_database": "center", "source_revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, "signature": "^(numeric,numeric) \u2192 numeric", "tables_zh": [], "source_oid": "1038", "description": ["\u4e58\u65b9\u3002"], "memberships": [], "sections_zh": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6c42\u5e42", "2 ^ 3 \u2192 8", "\u4e0e\u901a\u5e38\u7684\u6570\u5b66\u60ef\u4f8b\u4e0d\u540c\uff0c\u591a\u6b21\u4f7f\u7528 ^ \u65f6\u9ed8\u8ba4\u4ece\u5de6\u5230\u53f3\u7ed3\u5408\uff1a", "2 ^ 3 ^ 3 \u2192 512", "2 ^ (3 ^ 3) \u2192 134217728"]}, {"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-math.html", "method": "same-major semantic node", "sha256": "41fec8939c2ba1ff8b63be5fb9fda18e011dd7634c3a642b06ac82741ec74149", "language": "zh", "matched_nodes": ["#FUNCTIONS-MATH/div[3]/div[1]/table[0]/tbody[2]/tr[7]/td[0]/p[2]", "#FUNCTIONS-MATH/div[3]/div[1]/table[0]/tbody[2]/tr[7]/td[0]/p[4]"]}], "language": "zh", "original_text": {"/versions/17/description/0": "exponentiation", "/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": "numeric data type", "/versions/17/sections/0/title": "English manual definition", "/versions/17/sections/1/title": "Catalog interpretation", "/versions/17/sections/0/paragraphs/0": "Exponentiation", "/versions/17/sections/0/paragraphs/2": "Unlike typical mathematical practice, multiple uses of ^ will associate left to right by default:", "/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": "89b620307c5397e634c44c954dce8aac3dc45d8e3c83d739254d917d9c78e38c", "canonical_center_text_hash": "a21bb4800d87900c621d88c2e1aace061e691e535aea959a3f2a148f343ae444"}, "description_zh": "\u4e58\u65b9\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "^", "negator": "", "function": "numeric_power(numeric,numeric)", "hash_join": "f", "left_type": "numeric", "commutator": "", "merge_join": "f", "right_type": "numeric", "result_type": "numeric"}, "memberships": []}, "comparison_hash": "319c80cd50b8dd016a3ff3d5e3bbf98fda164c27e21e262faea8efcda1826155", "manual_language": "zh", "manual_semantics": "Exact operand/result signature matched", "description_zh_html": "<p>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.4.\u00a0\u6570\u5b66\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/17/functions-math.html#FUNCTIONS-MATH-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": "numeric"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "numeric"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "numeric_power(numeric,numeric)"}, {"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": ["^", "^(numeric,numeric)"], "related": [{"url": "/wiki/type/numeric/?v=18", "label": "numeric \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-math.html#FUNCTIONS-MATH-OP-TABLE", "path": "functions-math.html", "label": "PostgreSQL 18 English manual: functions-math.html", "sha256": "834fbd7c4026191e138e0a8af0f7d6735c4732a254d8ef8b4ec4506abe7a1bc7"}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/18/functions-math.html#FUNCTIONS-MATH-OP-TABLE", "anchor": "FUNCTIONS-MATH-OP-TABLE", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "functions-math.html", "extraction": "concept-introduction", "source_hash": "b5f393c537ea29401867ea8b97292650ee67b0dd9e8cde535aae77bc594b3736", "fragment_sha256": "16f674f0d477a38b0709d278b491d740dc4a920c257b6ae4049132fdd373af9d", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "792ffd5f6419f7b8b36c4eec8b66249f4513145cc5ee40aeca75ea5653a14d42", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "numeric"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "numeric_power(numeric,numeric)"}, {"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": "numeric_power(numeric,numeric)", "hash_join": "f", "left_type": "numeric", "commutator": "", "merge_join": "f", "right_type": "numeric", "result_type": "numeric"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6c42\u5e42", "2 ^ 3 \u2192 8", "\u4e0e\u901a\u5e38\u7684\u6570\u5b66\u60ef\u4f8b\u4e0d\u540c\uff0c\u591a\u6b21\u4f7f\u7528 ^ \u65f6\u9ed8\u8ba4\u4ece\u5de6\u5230\u53f3\u7ed3\u5408\uff1a", "2 ^ 3 ^ 3 \u2192 512", "2 ^ (3 ^ 3) \u2192 134217728"]}, {"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": "^(numeric,numeric)", "locale": "zh-Hans", "source": {"key": "op-5e-numeric-numeric", "locale": "zh-Hans", "version": "18", "text_hash": "cc60de0227b29c2f6bfcd52cafce029acea9ee5bbc74fc7055ff285ccc90d8cf", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "numeric"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "numeric_power(numeric,numeric)"}, {"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-math.html#FUNCTIONS-MATH-OP-TABLE", "anchor": "FUNCTIONS-MATH-OP-TABLE", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "functions-math.html", "extraction": "concept-introduction", "source_hash": "b5f393c537ea29401867ea8b97292650ee67b0dd9e8cde535aae77bc594b3736", "fragment_sha256": "16f674f0d477a38b0709d278b491d740dc4a920c257b6ae4049132fdd373af9d", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "792ffd5f6419f7b8b36c4eec8b66249f4513145cc5ee40aeca75ea5653a14d42", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6c42\u5e42", "2 ^ 3 \u2192 8", "\u4e0e\u901a\u5e38\u7684\u6570\u5b66\u60ef\u4f8b\u4e0d\u540c\uff0c\u591a\u6b21\u4f7f\u7528 ^ \u65f6\u9ed8\u8ba4\u4ece\u5de6\u5230\u53f3\u7ed3\u5408\uff1a", "2 ^ 3 ^ 3 \u2192 512", "2 ^ (3 ^ 3) \u2192 134217728"]}, {"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": "\u4e58\u65b9\u3002", "description_zh_html": "<p>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p class=\"title\"><strong>\u8868\u00a09.4.\u00a0\u6570\u5b66\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/18/functions-math.html#FUNCTIONS-MATH-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": "\u4e58\u65b9\u3002", "version": "18", "link_map": {"/zh/docs/18/functions-math.html#FUNCTIONS-MATH-OP-TABLE": "/docs/18/functions-math.html#FUNCTIONS-MATH-OP-TABLE"}, "body_html": "<p>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.4.\u00a0\u6570\u5b66\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/18/functions-math.html#FUNCTIONS-MATH-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": "45a29b25b16725a7c1fbc8263ab0605a45244498f7a81954c1305ff387bda162", "content_hash": "cc60de0227b29c2f6bfcd52cafce029acea9ee5bbc74fc7055ff285ccc90d8cf", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "signature": "^(numeric,numeric) \u2192 numeric", "tables_zh": [], "source_oid": "1038", "description": ["\u4e58\u65b9\u3002"], "memberships": [], "sections_zh": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6c42\u5e42", "2 ^ 3 \u2192 8", "\u4e0e\u901a\u5e38\u7684\u6570\u5b66\u60ef\u4f8b\u4e0d\u540c\uff0c\u591a\u6b21\u4f7f\u7528 ^ \u65f6\u9ed8\u8ba4\u4ece\u5de6\u5230\u53f3\u7ed3\u5408\uff1a", "2 ^ 3 ^ 3 \u2192 512", "2 ^ (3 ^ 3) \u2192 134217728"]}, {"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-math.html", "method": "same-major semantic node", "sha256": "7f9c785b2beeffba8bbf47053283ddd285e478a3597a8af383586e9e22198242", "language": "zh", "matched_nodes": ["#FUNCTIONS-MATH/div[3]/div[1]/table[0]/tbody[2]/tr[7]/td[0]/p[2]", "#FUNCTIONS-MATH/div[3]/div[1]/table[0]/tbody[2]/tr[7]/td[0]/p[4]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "exponentiation", "/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": "numeric data type", "/versions/18/sections/0/title": "English manual definition", "/versions/18/sections/1/title": "Catalog interpretation", "/versions/18/sections/0/paragraphs/0": "Exponentiation", "/versions/18/sections/0/paragraphs/2": "Unlike typical mathematical practice, multiple uses of ^ will associate left to right by default:", "/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": "3b1c84ea95c10f5559401043286e310d78a32c9d7e43fcf01f88ff2180531669", "canonical_center_text_hash": "cc60de0227b29c2f6bfcd52cafce029acea9ee5bbc74fc7055ff285ccc90d8cf"}, "description_zh": "\u4e58\u65b9\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "^", "negator": "", "function": "numeric_power(numeric,numeric)", "hash_join": "f", "left_type": "numeric", "commutator": "", "merge_join": "f", "right_type": "numeric", "result_type": "numeric"}, "memberships": []}, "comparison_hash": "319c80cd50b8dd016a3ff3d5e3bbf98fda164c27e21e262faea8efcda1826155", "manual_language": "zh", "manual_semantics": "Exact operand/result signature matched", "description_zh_html": "<p>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.4.\u00a0\u6570\u5b66\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/18/functions-math.html#FUNCTIONS-MATH-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>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.4.\u00a0\u6570\u5b66\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/docs/18/functions-math.html#FUNCTIONS-MATH-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": "numeric"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "numeric"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "numeric_power(numeric,numeric)"}, {"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": ["^", "^(numeric,numeric)"], "related": [{"url": "/wiki/type/numeric/?v=19", "label": "numeric \u6570\u636e\u7c7b\u578b"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v19rc1/postgresql-19rc1.tar.bz2", "label": "19rc1", "major": "19", "channel": "preview", "revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701", "source_sha256": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701", "manual_fingerprint": "63afc6091780ed5e52920ff9ef5adb6aa7dfcc82f8f413ed36ad46095788488d", "catalog_fingerprint": "da7a8a4e03b72cd120b91ffdff4265e065ccad9eab9964fc3eb1279a58464eb8"}, "sources": [{"url": "https://ftp.postgresql.org/pub/source/v19rc1/postgresql-19rc1.tar.bz2", "label": "Matching PostgreSQL source archive", "sha256": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, {"url": "/docs/19/catalog-pg-operator.html", "path": "catalog-pg-operator.html", "label": "PostgreSQL 19 English manual: catalog-pg-operator.html", "sha256": "d72adfa2e7a4b73f626c90a03915426b5843f7b75a31fac47c12448b822dbe3b"}, {"url": "/docs/19/catalog-pg-amop.html", "path": "catalog-pg-amop.html", "label": "PostgreSQL 19 English manual: catalog-pg-amop.html", "sha256": "ff953e362a227387990b27226aff52dfd10f5f25b408d1bac8fa3e50bb45d00f"}, {"url": "/docs/19/functions-math.html#FUNCTIONS-MATH-OP-TABLE", "path": "functions-math.html", "label": "PostgreSQL 19 English manual: functions-math.html", "sha256": "c986e0f5964c901c5e6e4543f56ecb9afa14fb05e274fc336f9b4c9f00b7144c"}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/19/functions-math.html#FUNCTIONS-MATH-OP-TABLE", "anchor": "FUNCTIONS-MATH-OP-TABLE", "locale": "zh-Hans", "version": "19", "build_id": 109, "page_key": "functions-math.html", "extraction": "concept-introduction", "source_hash": "367892ab3ee88bc7a3eb541eead43f14713d4abc50c6df0b97bc3479c514d9eb", "fragment_sha256": "16f674f0d477a38b0709d278b491d740dc4a920c257b6ae4049132fdd373af9d", "source_revision": "sha256:af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:65fda1f1b62a89992b84014c9157e61b67dbe8190e93945826efec668fad038c", "translated_from_revision": "sha256:af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "body_sha256": "1a9ef11d28b651286ca99121fdbddc3f39babbfd5af8755455fe9812006b1e7f", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "numeric"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "numeric_power(numeric,numeric)"}, {"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": "numeric_power(numeric,numeric)", "hash_join": "f", "left_type": "numeric", "commutator": "", "merge_join": "f", "right_type": "numeric", "result_type": "numeric"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6c42\u5e42", "2 ^ 3 \u2192 8", "\u4e0e\u901a\u5e38\u7684\u6570\u5b66\u60ef\u4f8b\u4e0d\u540c\uff0c\u591a\u6b21\u4f7f\u7528 ^ \u65f6\u9ed8\u8ba4\u4ece\u5de6\u5230\u53f3\u7ed3\u5408\uff1a", "2 ^ 3 ^ 3 \u2192 512", "2 ^ (3 ^ 3) \u2192 134217728"]}, {"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": "^(numeric,numeric)", "locale": "zh-Hans", "source": {"key": "op-5e-numeric-numeric", "locale": "zh-Hans", "version": "19", "text_hash": "dcb2c531911efba92c9d230af4e4146279ad28509f148bf66f26444f1e6d83fe", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "numeric"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "numeric_power(numeric,numeric)"}, {"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-math.html#FUNCTIONS-MATH-OP-TABLE", "anchor": "FUNCTIONS-MATH-OP-TABLE", "locale": "zh-Hans", "version": "19", "build_id": 109, "page_key": "functions-math.html", "extraction": "concept-introduction", "source_hash": "367892ab3ee88bc7a3eb541eead43f14713d4abc50c6df0b97bc3479c514d9eb", "fragment_sha256": "16f674f0d477a38b0709d278b491d740dc4a920c257b6ae4049132fdd373af9d", "source_revision": "sha256:af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:65fda1f1b62a89992b84014c9157e61b67dbe8190e93945826efec668fad038c", "translated_from_revision": "sha256:af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "body_sha256": "1a9ef11d28b651286ca99121fdbddc3f39babbfd5af8755455fe9812006b1e7f", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6c42\u5e42", "2 ^ 3 \u2192 8", "\u4e0e\u901a\u5e38\u7684\u6570\u5b66\u60ef\u4f8b\u4e0d\u540c\uff0c\u591a\u6b21\u4f7f\u7528 ^ \u65f6\u9ed8\u8ba4\u4ece\u5de6\u5230\u53f3\u7ed3\u5408\uff1a", "2 ^ 3 ^ 3 \u2192 512", "2 ^ (3 ^ 3) \u2192 134217728"]}, {"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": "\u4e58\u65b9\u3002", "description_zh_html": "<p>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p class=\"title\"><strong>\u8868\u00a09.4.\u00a0\u6570\u5b66\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/19/functions-math.html#FUNCTIONS-MATH-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": "\u4e58\u65b9\u3002", "version": "19", "link_map": {"/zh/docs/19/functions-math.html#FUNCTIONS-MATH-OP-TABLE": "/docs/19/functions-math.html#FUNCTIONS-MATH-OP-TABLE"}, "body_html": "<p>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.4.\u00a0\u6570\u5b66\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/19/functions-math.html#FUNCTIONS-MATH-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": "b791bf5d230e82b0e5f5d28b221b11a1433b6de4c77ec4e86d8b6507e4405f01", "content_hash": "dcb2c531911efba92c9d230af4e4146279ad28509f148bf66f26444f1e6d83fe", "source_database": "center", "source_revision": "af105fc8e960fc836a09fc2cd7f582b49fd17675d9d36631abe3a565bfd7d701"}, "signature": "^(numeric,numeric) \u2192 numeric", "tables_zh": [], "source_oid": "1038", "description": ["\u4e58\u65b9\u3002"], "memberships": [], "sections_zh": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6c42\u5e42", "2 ^ 3 \u2192 8", "\u4e0e\u901a\u5e38\u7684\u6570\u5b66\u60ef\u4f8b\u4e0d\u540c\uff0c\u591a\u6b21\u4f7f\u7528 ^ \u65f6\u9ed8\u8ba4\u4ece\u5de6\u5230\u53f3\u7ed3\u5408\uff1a", "2 ^ 3 ^ 3 \u2192 512", "2 ^ (3 ^ 3) \u2192 134217728"]}, {"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-math.html", "method": "same-major semantic node", "sha256": "e93ed9142775123923f663fcafbff41b8198ed3fc8b18557bbe9ca83a629f56a", "language": "zh", "matched_nodes": ["#FUNCTIONS-MATH/div[3]/div[1]/table[0]/tbody[2]/tr[7]/td[0]/p[2]", "#FUNCTIONS-MATH/div[3]/div[1]/table[0]/tbody[2]/tr[7]/td[0]/p[4]"]}], "language": "zh", "original_text": {"/versions/19/description/0": "exponentiation", "/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": "numeric data type", "/versions/19/sections/0/title": "English manual definition", "/versions/19/sections/1/title": "Catalog interpretation", "/versions/19/sections/0/paragraphs/0": "Exponentiation", "/versions/19/sections/0/paragraphs/2": "Unlike typical mathematical practice, multiple uses of ^ will associate left to right by default:", "/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": "930a0bd294ad7c550aea654798a8a5aa8e588aac41d667a3f5b4840c1d4206f9", "canonical_center_text_hash": "dcb2c531911efba92c9d230af4e4146279ad28509f148bf66f26444f1e6d83fe"}, "description_zh": "\u4e58\u65b9\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "^", "negator": "", "function": "numeric_power(numeric,numeric)", "hash_join": "f", "left_type": "numeric", "commutator": "", "merge_join": "f", "right_type": "numeric", "result_type": "numeric"}, "memberships": []}, "comparison_hash": "319c80cd50b8dd016a3ff3d5e3bbf98fda164c27e21e262faea8efcda1826155", "manual_language": "zh", "manual_semantics": "Exact operand/result signature matched", "description_zh_html": "<p>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.4.\u00a0\u6570\u5b66\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/19/functions-math.html#FUNCTIONS-MATH-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": "numeric"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "numeric"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "numeric_power(numeric,numeric)"}, {"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": ["^", "^(numeric,numeric)"], "related": [{"url": "/wiki/type/numeric/?v=20", "label": "numeric \u6570\u636e\u7c7b\u578b"}], "release": {"ref": "https://ftp.postgresql.org/pub/snapshot/dev/postgresql-snapshot.tar.bz2", "label": "20devel", "major": "20", "channel": "devel", "revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "source_sha256": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "manual_fingerprint": "4afd3a8e29953000e176877e161458a2febaeaac5a5e16986595d3acc2418c7d", "catalog_fingerprint": "e519e6916a731ce8fb9bca3edb12410227f73e01ccd43fb6f5fb98276f08985f"}, "sources": [{"url": "https://ftp.postgresql.org/pub/snapshot/dev/postgresql-snapshot.tar.bz2", "label": "Matching PostgreSQL source archive", "sha256": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, {"url": "/docs/devel/catalog-pg-operator.html", "path": "catalog-pg-operator.html", "label": "PostgreSQL 20 English manual: catalog-pg-operator.html", "sha256": "117e39bcb71e0d3fb201bdaf5071df520f8f8bc661ecefd758dc661956e2059a"}, {"url": "/docs/devel/catalog-pg-amop.html", "path": "catalog-pg-amop.html", "label": "PostgreSQL 20 English manual: catalog-pg-amop.html", "sha256": "21308426099a60febe495b5e6edd040a5b0f7cb87269121a33549a930433d19f"}, {"url": "/docs/devel/functions-math.html#FUNCTIONS-MATH-OP-TABLE", "path": "functions-math.html", "label": "PostgreSQL 20 English manual: functions-math.html", "sha256": "7f1d91c09e416a7336801f276107bf336705ab00e2b62f7a7f473a41bba8e7fe"}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/devel/functions-math.html#FUNCTIONS-MATH-OP-TABLE", "anchor": "FUNCTIONS-MATH-OP-TABLE", "locale": "zh-Hans", "version": "20", "build_id": 111, "page_key": "functions-math.html", "extraction": "concept-introduction", "source_hash": "89299a44ade91221de625a311d8dc0a514ffdf2e1f47b8e52a9bbd0ebee16498", "fragment_sha256": "16f674f0d477a38b0709d278b491d740dc4a920c257b6ae4049132fdd373af9d", "source_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:98c980963b401d40bd50df72b909e7523e3148b8fdb48edd897de2efb67e5235", "translated_from_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "body_sha256": "9a5988f7d8e5b581f2c37feba2018300cf49a8153ea22f39a8397dc82781fdeb", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "numeric"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "numeric_power(numeric,numeric)"}, {"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": "numeric_power(numeric,numeric)", "hash_join": "f", "left_type": "numeric", "commutator": "", "merge_join": "f", "right_type": "numeric", "result_type": "numeric"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6c42\u5e42", "2 ^ 3 \u2192 8", "\u4e0e\u901a\u5e38\u7684\u6570\u5b66\u60ef\u4f8b\u4e0d\u540c\uff0c\u591a\u6b21\u4f7f\u7528 ^ \u65f6\u9ed8\u8ba4\u4ece\u5de6\u5230\u53f3\u7ed3\u5408\uff1a", "2 ^ 3 ^ 3 \u2192 512", "2 ^ (3 ^ 3) \u2192 134217728"]}, {"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": "^(numeric,numeric)", "locale": "zh-Hans", "source": {"key": "op-5e-numeric-numeric", "locale": "zh-Hans", "version": "20", "text_hash": "f5b1775cb5630ad826ba8fe65234e6ec4e98d842e0b04a52a8545768a117a36c", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "numeric"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "numeric_power(numeric,numeric)"}, {"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-math.html#FUNCTIONS-MATH-OP-TABLE", "anchor": "FUNCTIONS-MATH-OP-TABLE", "locale": "zh-Hans", "version": "20", "build_id": 111, "page_key": "functions-math.html", "extraction": "concept-introduction", "source_hash": "89299a44ade91221de625a311d8dc0a514ffdf2e1f47b8e52a9bbd0ebee16498", "fragment_sha256": "16f674f0d477a38b0709d278b491d740dc4a920c257b6ae4049132fdd373af9d", "source_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:98c980963b401d40bd50df72b909e7523e3148b8fdb48edd897de2efb67e5235", "translated_from_revision": "sha256:49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "body_sha256": "9a5988f7d8e5b581f2c37feba2018300cf49a8153ea22f39a8397dc82781fdeb", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6c42\u5e42", "2 ^ 3 \u2192 8", "\u4e0e\u901a\u5e38\u7684\u6570\u5b66\u60ef\u4f8b\u4e0d\u540c\uff0c\u591a\u6b21\u4f7f\u7528 ^ \u65f6\u9ed8\u8ba4\u4ece\u5de6\u5230\u53f3\u7ed3\u5408\uff1a", "2 ^ 3 ^ 3 \u2192 512", "2 ^ (3 ^ 3) \u2192 134217728"]}, {"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": "\u4e58\u65b9\u3002", "description_zh_html": "<p>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p class=\"title\"><strong>\u8868\u00a09.4.\u00a0\u6570\u5b66\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/devel/functions-math.html#FUNCTIONS-MATH-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": "\u4e58\u65b9\u3002", "version": "20", "link_map": {"/zh/docs/devel/functions-math.html#FUNCTIONS-MATH-OP-TABLE": "/docs/devel/functions-math.html#FUNCTIONS-MATH-OP-TABLE"}, "body_html": "<p>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.4.\u00a0\u6570\u5b66\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/devel/functions-math.html#FUNCTIONS-MATH-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": "0dcbca3bfe54aa50503471f2f9129a5d4d0751ec4b0de2a274be9e1c73235b79", "content_hash": "f5b1775cb5630ad826ba8fe65234e6ec4e98d842e0b04a52a8545768a117a36c", "source_database": "center", "source_revision": "49c73aa4c9cacef8ca979276a28ac416c08e9e54c9baee4ae5fd116a35fa13ac"}, "signature": "^(numeric,numeric) \u2192 numeric", "tables_zh": [], "source_oid": "1038", "description": ["\u4e58\u65b9\u3002"], "memberships": [], "sections_zh": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6c42\u5e42", "2 ^ 3 \u2192 8", "\u4e0e\u901a\u5e38\u7684\u6570\u5b66\u60ef\u4f8b\u4e0d\u540c\uff0c\u591a\u6b21\u4f7f\u7528 ^ \u65f6\u9ed8\u8ba4\u4ece\u5de6\u5230\u53f3\u7ed3\u5408\uff1a", "2 ^ 3 ^ 3 \u2192 512", "2 ^ (3 ^ 3) \u2192 134217728"]}, {"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-math.html", "method": "same-major semantic node", "sha256": "1c4b60b39a1d9e6934df67bfca0bc0a62050d51f63af91cd289d7e355e8746f3", "language": "zh", "matched_nodes": ["#FUNCTIONS-MATH/div[3]/div[1]/table[0]/tbody[2]/tr[7]/td[0]/p[2]", "#FUNCTIONS-MATH/div[3]/div[1]/table[0]/tbody[2]/tr[7]/td[0]/p[4]"]}], "language": "zh", "original_text": {"/summary": "exponentiation", "/category": "Numeric", "/versions/20/description/0": "exponentiation", "/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": "numeric data type", "/versions/20/sections/0/title": "English manual definition", "/versions/20/sections/1/title": "Catalog interpretation", "/versions/20/sections/0/paragraphs/0": "Exponentiation", "/versions/20/sections/0/paragraphs/2": "Unlike typical mathematical practice, multiple uses of ^ will associate left to right by default:", "/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": "ede1304712ed5473c2b17622006cc65a3603c946af252bcac12a8141c31e9fce", "canonical_center_text_hash": "f5b1775cb5630ad826ba8fe65234e6ec4e98d842e0b04a52a8545768a117a36c"}, "description_zh": "\u4e58\u65b9\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "^", "negator": "", "function": "numeric_power(numeric,numeric)", "hash_join": "f", "left_type": "numeric", "commutator": "", "merge_join": "f", "right_type": "numeric", "result_type": "numeric"}, "memberships": []}, "comparison_hash": "319c80cd50b8dd016a3ff3d5e3bbf98fda164c27e21e262faea8efcda1826155", "manual_language": "zh", "manual_semantics": "Exact operand/result signature matched", "description_zh_html": "<p>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.4.\u00a0\u6570\u5b66\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/devel/functions-math.html#FUNCTIONS-MATH-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": "numeric"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "numeric"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "numeric_power(numeric,numeric)"}, {"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": ["^", "^(numeric,numeric)"], "related": [{"url": "/wiki/type/numeric/?v=18", "label": "numeric \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-math.html#FUNCTIONS-MATH-OP-TABLE", "path": "functions-math.html", "label": "PostgreSQL 18 English manual: functions-math.html", "sha256": "834fbd7c4026191e138e0a8af0f7d6735c4732a254d8ef8b4ec4506abe7a1bc7"}], "zh_from": {"kind": "same-version-chinese-manual-with-authored-translation-of-source-description", "manual": {"url": "/zh/docs/18/functions-math.html#FUNCTIONS-MATH-OP-TABLE", "anchor": "FUNCTIONS-MATH-OP-TABLE", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "functions-math.html", "extraction": "concept-introduction", "source_hash": "b5f393c537ea29401867ea8b97292650ee67b0dd9e8cde535aae77bc594b3736", "fragment_sha256": "16f674f0d477a38b0709d278b491d740dc4a920c257b6ae4049132fdd373af9d", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "792ffd5f6419f7b8b36c4eec8b66249f4513145cc5ee40aeca75ea5653a14d42", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "facts_zh": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "numeric"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "numeric_power(numeric,numeric)"}, {"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": "numeric_power(numeric,numeric)", "hash_join": "f", "left_type": "numeric", "commutator": "", "merge_join": "f", "right_type": "numeric", "result_type": "numeric"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6c42\u5e42", "2 ^ 3 \u2192 8", "\u4e0e\u901a\u5e38\u7684\u6570\u5b66\u60ef\u4f8b\u4e0d\u540c\uff0c\u591a\u6b21\u4f7f\u7528 ^ \u65f6\u9ed8\u8ba4\u4ece\u5de6\u5230\u53f3\u7ed3\u5408\uff1a", "2 ^ 3 ^ 3 \u2192 512", "2 ^ (3 ^ 3) \u2192 134217728"]}, {"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": "^(numeric,numeric)", "locale": "zh-Hans", "source": {"key": "op-5e-numeric-numeric", "locale": "zh-Hans", "version": "18", "text_hash": "cc60de0227b29c2f6bfcd52cafce029acea9ee5bbc74fc7055ff285ccc90d8cf", "collection": "operator", "dataset_hash": "7c31b524dfe136022d39a6ae8dcfac6b3bbd5f8fdaf422536599981252aff0c9", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "payload": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "numeric"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "numeric"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "numeric_power(numeric,numeric)"}, {"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-math.html#FUNCTIONS-MATH-OP-TABLE", "anchor": "FUNCTIONS-MATH-OP-TABLE", "locale": "zh-Hans", "version": "18", "build_id": 107, "page_key": "functions-math.html", "extraction": "concept-introduction", "source_hash": "b5f393c537ea29401867ea8b97292650ee67b0dd9e8cde535aae77bc594b3736", "fragment_sha256": "16f674f0d477a38b0709d278b491d740dc4a920c257b6ae4049132fdd373af9d", "source_revision": "unknown:rendered-translation-baseline", "translation_revision": "git:b1b500221dbe5437cfca004d6b04d3f6e422765d;html-sha256:08e987a66af27b98444a8057c256314eafa13611a3fb9e888214fc436824244b", "translated_from_revision": null}, "body_sha256": "792ffd5f6419f7b8b36c4eec8b66249f4513145cc5ee40aeca75ea5653a14d42", "runtime_rerun": false, "authored_translation": "authored-translation-of-source-description", "source_facts_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "sections": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6c42\u5e42", "2 ^ 3 \u2192 8", "\u4e0e\u901a\u5e38\u7684\u6570\u5b66\u60ef\u4f8b\u4e0d\u540c\uff0c\u591a\u6b21\u4f7f\u7528 ^ \u65f6\u9ed8\u8ba4\u4ece\u5de6\u5230\u53f3\u7ed3\u5408\uff1a", "2 ^ 3 ^ 3 \u2192 512", "2 ^ (3 ^ 3) \u2192 134217728"]}, {"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": "\u4e58\u65b9\u3002", "description_zh_html": "<p>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p class=\"title\"><strong>\u8868\u00a09.4.\u00a0\u6570\u5b66\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/18/functions-math.html#FUNCTIONS-MATH-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": "\u4e58\u65b9\u3002", "version": "18", "link_map": {"/zh/docs/18/functions-math.html#FUNCTIONS-MATH-OP-TABLE": "/docs/18/functions-math.html#FUNCTIONS-MATH-OP-TABLE"}, "body_html": "<p>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.4.\u00a0\u6570\u5b66\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/18/functions-math.html#FUNCTIONS-MATH-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": "45a29b25b16725a7c1fbc8263ab0605a45244498f7a81954c1305ff387bda162", "content_hash": "cc60de0227b29c2f6bfcd52cafce029acea9ee5bbc74fc7055ff285ccc90d8cf", "source_database": "center", "source_revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, "signature": "^(numeric,numeric) \u2192 numeric", "tables_zh": [], "source_oid": "1038", "description": ["\u4e58\u65b9\u3002"], "memberships": [], "sections_zh": [{"title": "\u82f1\u6587\u624b\u518c\u5b9a\u4e49", "paragraphs": ["\u6c42\u5e42", "2 ^ 3 \u2192 8", "\u4e0e\u901a\u5e38\u7684\u6570\u5b66\u60ef\u4f8b\u4e0d\u540c\uff0c\u591a\u6b21\u4f7f\u7528 ^ \u65f6\u9ed8\u8ba4\u4ece\u5de6\u5230\u53f3\u7ed3\u5408\uff1a", "2 ^ 3 ^ 3 \u2192 512", "2 ^ (3 ^ 3) \u2192 134217728"]}, {"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-math.html", "method": "same-major semantic node", "sha256": "7f9c785b2beeffba8bbf47053283ddd285e478a3597a8af383586e9e22198242", "language": "zh", "matched_nodes": ["#FUNCTIONS-MATH/div[3]/div[1]/table[0]/tbody[2]/tr[7]/td[0]/p[2]", "#FUNCTIONS-MATH/div[3]/div[1]/table[0]/tbody[2]/tr[7]/td[0]/p[4]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "exponentiation", "/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": "numeric data type", "/versions/18/sections/0/title": "English manual definition", "/versions/18/sections/1/title": "Catalog interpretation", "/versions/18/sections/0/paragraphs/0": "Exponentiation", "/versions/18/sections/0/paragraphs/2": "Unlike typical mathematical practice, multiple uses of ^ will associate left to right by default:", "/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": "3b1c84ea95c10f5559401043286e310d78a32c9d7e43fcf01f88ff2180531669", "canonical_center_text_hash": "cc60de0227b29c2f6bfcd52cafce029acea9ee5bbc74fc7055ff285ccc90d8cf"}, "description_zh": "\u4e58\u65b9\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "^", "negator": "", "function": "numeric_power(numeric,numeric)", "hash_join": "f", "left_type": "numeric", "commutator": "", "merge_join": "f", "right_type": "numeric", "result_type": "numeric"}, "memberships": []}, "comparison_hash": "319c80cd50b8dd016a3ff3d5e3bbf98fda164c27e21e262faea8efcda1826155", "manual_language": "zh", "manual_semantics": "Exact operand/result signature matched", "description_zh_html": "<p>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.4.\u00a0\u6570\u5b66\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/zh/docs/18/functions-math.html#FUNCTIONS-MATH-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>\u4e58\u65b9\u3002</p><dl><dt>\u79cd\u7c7b</dt><dd><code>b</code></dd><dt>\u7b26\u53f7</dt><dd><code>^</code></dd><dt>\u5b9e\u73b0\u51fd\u6570</dt><dd><code>numeric_power(numeric,numeric)</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>numeric</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>numeric</code></dd><dt>\u7ed3\u679c\u7c7b\u578b</dt><dd><code>numeric</code></dd></dl><h3>\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009</h3><p><strong>\u8868\u00a09.4.\u00a0\u6570\u5b66\u64cd\u4f5c\u7b26</strong></p><p><a href=\"/docs/18/functions-math.html#FUNCTIONS-MATH-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": ""}}