{"Entry":{"collection":"func","key":"power","name":"power","aliases":[],"metadata":{"changed_in":[],"changes":[{"descriptions_changed":false,"doc_overhaul":false,"from":"7.4","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"added","to":"8.0"},{"descriptions_changed":false,"doc_overhaul":true,"from":"12","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"changed","to":"13"}],"content_hash":"971fedbe135af9cf2b2781428b46add13ce13a8be48760899d6add71551eacc7","derived_content_hash":"75d2d892104f1c905990e4c5db1f6ede996d2b87fab066602e0dd2c49de30124","documentation_refresh":{"batch":"20261113","original_source_rev":"wiki-repair-20261023:15898084b7f915a75e0afa1314e59388e86b04b40b41668130967096d70cc762","versions":{"14":"14.25","15":"15.20","16":"16.16","17":"17.12","18":"18.7","19":"19rc2"}},"first_version":"8.0","group":"math","group_label":"Mathematical Functions And Operators","groups":["math"],"imported_at":"2026-09-27T17:57:28.239285+08:00","last_version":"20","name":"power","name_key":"power","position":2038,"present_in":["8.0","8.1","8.2","8.3","8.4","9.0","9.1","9.2","9.3","9.4","9.5","9.6","10","11","12","13","14","15","16","17","18","19","20"],"repair_provenance":{"original_source_revision":"wiki-repair-20261023:6a053a837047b204a06cacbc3c1c655cf391c541e616205dddfc2c4eb51f5997","receipt_sha256":"287272a854bd2cf451acc9efda5c936add355b1c081ae13ac1b106be61979701","repair":"wiki-repair-20261023"},"signature":"power ( a numeric, b numeric ) → numeric","signature_count":2,"slug":"power","source_rev":"wiki-repair-20261023:15898084b7f915a75e0afa1314e59388e86b04b40b41668130967096d70cc762","summary":"a raised to the power of b","summary_zh":""}},"Definition":{"Collection":"func","Key":"power","SourceDatabase":"center","Version":"18","SourceTable":"func","SourceKey":"power","SourceRevision":"wiki-repair-20261023:15898084b7f915a75e0afa1314e59388e86b04b40b41668130967096d70cc762","Facts":{"description":"a raised to the power of b","description_html":"\u003cem class=\"parameter\"\u003e\u003ccode\u003ea\u003c/code\u003e\u003c/em\u003e raised to the power of \u003cem class=\"parameter\"\u003e\u003ccode\u003eb\u003c/code\u003e\u003c/em\u003e","description_zh":"a 的 b 次幂","description_zh_html":"\u003cem class=\"parameter\"\u003e\u003ccode\u003ea\u003c/code\u003e\u003c/em\u003e 的 \u003cem class=\"parameter\"\u003e\u003ccode\u003eb\u003c/code\u003e\u003c/em\u003e 次幂","doc":{"anchor":"FUNCTIONS-MATH-FUNC-TABLE","file":"functions-math.html","sha256":"80bdcd3a2c7112aadf400e832cc7c8ee55e389d9b3c12e767c3fbb2b3364ef7b","slug":"18"},"documentation_revision":{"inputs":[{"file":"functions-math.html","kind":"same-version-reviewed-manual","locale":"en","sha256":"80bdcd3a2c7112aadf400e832cc7c8ee55e389d9b3c12e767c3fbb2b3364ef7b","version":"18.7"},{"file":"functions-math.html","kind":"same-version-reviewed-manual","locale":"zh-Hans","sha256":"b48c7e1d8abf0f030ad0ef2aa1403db7015a96af265d49a15eaa2f1945a13a5f","version":"18.7"}],"release":"18.7","runtime_remeasured":false,"source_revision":"pgdoc:b9f0e7232f60f380d642ac9b99226606c254b552"},"group":"math","group_label":"数学函数和操作符","lang":"en","layout":"table-new","pages":["functions-math.html"],"prose_only":false,"signatures":[{"description":"a raised to the power of b","description_html":"\u003cem class=\"parameter\"\u003e\u003ccode\u003ea\u003c/code\u003e\u003c/em\u003e raised to the power of \u003cem class=\"parameter\"\u003e\u003ccode\u003eb\u003c/code\u003e\u003c/em\u003e","description_zh":"a 的 b 次幂","description_zh_html":"\u003cem class=\"parameter\"\u003e\u003ccode\u003ea\u003c/code\u003e\u003c/em\u003e 的 \u003cem class=\"parameter\"\u003e\u003ccode\u003eb\u003c/code\u003e\u003c/em\u003e 次幂","examples":[{"expr":"power(9, 3)","result":"729"}],"html":"\u003ccode class=\"function\"\u003epower\u003c/code\u003e ( \u003cem class=\"parameter\"\u003e\u003ccode\u003ea\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003eb\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e ) → \u003ccode class=\"returnvalue\"\u003enumeric\u003c/code\u003e","returns":"numeric","text":"power ( a numeric, b numeric ) → numeric","zh_from":"same-version-manual"},{"description":"a raised to the power of b","description_html":"\u003cem class=\"parameter\"\u003e\u003ccode\u003ea\u003c/code\u003e\u003c/em\u003e raised to the power of \u003cem class=\"parameter\"\u003e\u003ccode\u003eb\u003c/code\u003e\u003c/em\u003e","description_zh":"a 的 b 次幂","description_zh_html":"\u003cem class=\"parameter\"\u003e\u003ccode\u003ea\u003c/code\u003e\u003c/em\u003e 的 \u003cem class=\"parameter\"\u003e\u003ccode\u003eb\u003c/code\u003e\u003c/em\u003e 次幂","examples":[{"expr":"power(9, 3)","result":"729"}],"html":"\u003ccode class=\"function\"\u003epower\u003c/code\u003e ( \u003cem class=\"parameter\"\u003e\u003ccode\u003ea\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003edouble precision\u003c/code\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003eb\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003edouble precision\u003c/code\u003e ) → \u003ccode class=\"returnvalue\"\u003edouble precision\u003c/code\u003e","returns":"double precision","text":"power ( a double precision, b double precision ) → double precision","zh_from":"same-version-manual"}],"translation_provenance":{"inputs":[{"kind":"current-pgdoc-translation","path":"/Users/vonng/pgsty/pgdoc/zh/18/html/functions-math.html","sha256":"b5f393c537ea29401867ea8b97292650ee67b0dd9e8cde535aae77bc594b3736"}],"kind":"same-version-pgdoc","locale":"zh-Hans","source_revision":"b1b500221dbe5437cfca004d6b04d3f6e422765d","version":"18"},"zh_from":"same-version-manual"},"ManualEvidence":{"doc":{"anchor":"FUNCTIONS-MATH-FUNC-TABLE","file":"functions-math.html","sha256":"80bdcd3a2c7112aadf400e832cc7c8ee55e389d9b3c12e767c3fbb2b3364ef7b","slug":"18"}},"MeasuredEvidence":{}},"Text":{"Collection":"func","Key":"power","SourceDatabase":"center","Version":"18","Locale":"en","Title":"power","Summary":"a raised to the power of b","BodyHTML":"\u003cem\u003e\u003ccode\u003ea\u003c/code\u003e\u003c/em\u003e raised to the power of \u003cem\u003e\u003ccode\u003eb\u003c/code\u003e\u003c/em\u003e","SourceRevision":"wiki-repair-20261023:15898084b7f915a75e0afa1314e59388e86b04b40b41668130967096d70cc762","ContentHash":"26c6968c7cf744229009f26ef8987d6ad867242dabf29e9221fd1888b5b8c08e","Payload":{"description":"a raised to the power of b","description_html":"\u003cem class=\"parameter\"\u003e\u003ccode\u003ea\u003c/code\u003e\u003c/em\u003e raised to the power of \u003cem class=\"parameter\"\u003e\u003ccode\u003eb\u003c/code\u003e\u003c/em\u003e","signatures":[{"description":"a raised to the power of b","description_html":"\u003cem class=\"parameter\"\u003e\u003ccode\u003ea\u003c/code\u003e\u003c/em\u003e raised to the power of \u003cem class=\"parameter\"\u003e\u003ccode\u003eb\u003c/code\u003e\u003c/em\u003e","description_zh":"a 的 b 次幂","description_zh_html":"\u003cem class=\"parameter\"\u003e\u003ccode\u003ea\u003c/code\u003e\u003c/em\u003e 的 \u003cem class=\"parameter\"\u003e\u003ccode\u003eb\u003c/code\u003e\u003c/em\u003e 次幂","examples":[{"expr":"power(9, 3)","result":"729"}],"html":"\u003ccode class=\"function\"\u003epower\u003c/code\u003e ( \u003cem class=\"parameter\"\u003e\u003ccode\u003ea\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003eb\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e ) → \u003ccode class=\"returnvalue\"\u003enumeric\u003c/code\u003e","returns":"numeric","text":"power ( a numeric, b numeric ) → numeric","zh_from":"same-version-manual"},{"description":"a raised to the power of b","description_html":"\u003cem class=\"parameter\"\u003e\u003ccode\u003ea\u003c/code\u003e\u003c/em\u003e raised to the power of \u003cem class=\"parameter\"\u003e\u003ccode\u003eb\u003c/code\u003e\u003c/em\u003e","description_zh":"a 的 b 次幂","description_zh_html":"\u003cem class=\"parameter\"\u003e\u003ccode\u003ea\u003c/code\u003e\u003c/em\u003e 的 \u003cem class=\"parameter\"\u003e\u003ccode\u003eb\u003c/code\u003e\u003c/em\u003e 次幂","examples":[{"expr":"power(9, 3)","result":"729"}],"html":"\u003ccode class=\"function\"\u003epower\u003c/code\u003e ( \u003cem class=\"parameter\"\u003e\u003ccode\u003ea\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003edouble precision\u003c/code\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003eb\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003edouble precision\u003c/code\u003e ) → \u003ccode class=\"returnvalue\"\u003edouble precision\u003c/code\u003e","returns":"double precision","text":"power ( a double precision, b double precision ) → double precision","zh_from":"same-version-manual"}]}},"RequestedLocale":"en","Fallback":false,"Versions":["10","11","12","13","14","15","16","17","18","19","20","8.0","8.1","8.2","8.3","8.4","9.0","9.1","9.2","9.3","9.4","9.5","9.6"],"Locales":["en","zh-Hans"],"Signatures":[{"Version":"18","Ordinal":0,"Hash":"004028c41723244c69408a02125fe16fa03e2347e053061c5059b4aa3f7c8d0e","Text":"power ( a numeric, b numeric ) → numeric","Returns":"numeric","Payload":{"description":"a raised to the power of b","description_html":"\u003cem class=\"parameter\"\u003e\u003ccode\u003ea\u003c/code\u003e\u003c/em\u003e raised to the power of \u003cem class=\"parameter\"\u003e\u003ccode\u003eb\u003c/code\u003e\u003c/em\u003e","description_zh":"a 的 b 次幂","description_zh_html":"\u003cem class=\"parameter\"\u003e\u003ccode\u003ea\u003c/code\u003e\u003c/em\u003e 的 \u003cem class=\"parameter\"\u003e\u003ccode\u003eb\u003c/code\u003e\u003c/em\u003e 次幂","examples":[{"expr":"power(9, 3)","result":"729"}],"html":"\u003ccode class=\"function\"\u003epower\u003c/code\u003e ( \u003cem class=\"parameter\"\u003e\u003ccode\u003ea\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003eb\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e ) → \u003ccode class=\"returnvalue\"\u003enumeric\u003c/code\u003e","returns":"numeric","text":"power ( a numeric, b numeric ) → numeric","zh_from":"same-version-manual"}},{"Version":"18","Ordinal":1,"Hash":"e3342742ffaa68d1c9858a4680fa64322540cb7bfbad082ac7787276bac090ca","Text":"power ( a double precision, b double precision ) → double precision","Returns":"double precision","Payload":{"description":"a raised to the power of b","description_html":"\u003cem class=\"parameter\"\u003e\u003ccode\u003ea\u003c/code\u003e\u003c/em\u003e raised to the power of \u003cem class=\"parameter\"\u003e\u003ccode\u003eb\u003c/code\u003e\u003c/em\u003e","description_zh":"a 的 b 次幂","description_zh_html":"\u003cem class=\"parameter\"\u003e\u003ccode\u003ea\u003c/code\u003e\u003c/em\u003e 的 \u003cem class=\"parameter\"\u003e\u003ccode\u003eb\u003c/code\u003e\u003c/em\u003e 次幂","examples":[{"expr":"power(9, 3)","result":"729"}],"html":"\u003ccode class=\"function\"\u003epower\u003c/code\u003e ( \u003cem class=\"parameter\"\u003e\u003ccode\u003ea\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003edouble precision\u003c/code\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003eb\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003edouble precision\u003c/code\u003e ) → \u003ccode class=\"returnvalue\"\u003edouble precision\u003c/code\u003e","returns":"double precision","text":"power ( a double precision, b double precision ) → double precision","zh_from":"same-version-manual"}}],"Spellings":null,"SQLState":null,"Evidence":null}