{"Entry":{"collection":"func","key":"random","name":"random","aliases":[],"metadata":{"changed_in":["17","19"],"changes":[{"descriptions_changed":true,"doc_overhaul":false,"from":"7.2","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"changed","to":"7.3"},{"descriptions_changed":true,"doc_overhaul":false,"from":"8.1","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"changed","to":"8.2"},{"descriptions_changed":false,"doc_overhaul":true,"from":"12","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"changed","to":"13"},{"descriptions_changed":false,"doc_overhaul":false,"from":"16","group_changed":null,"signatures":{"added":["random ( min integer, max integer ) → integer","random ( min bigint, max bigint ) → bigint","random ( min numeric, max numeric ) → numeric"],"removed":[]},"status":"changed","to":"17"},{"descriptions_changed":false,"doc_overhaul":false,"from":"18","group_changed":null,"signatures":{"added":["random ( min date, max date ) → date","random ( min timestamp, max timestamp ) → timestamp","random ( min timestamptz, max timestamptz ) → timestamptz"],"removed":[]},"status":"changed","to":"19"}],"content_hash":"366274b02ce1a3cff4cc96a3e420c179537629feabaa31f71fc8490b0ba3d559","derived_content_hash":"e7656a08bf9e74c4d334a3f68aeed4b5e7eb27d7f63c6b61c3a476d4ca0e6e6d","documentation_refresh":{"batch":"20261113","original_source_rev":"wiki-repair-20261023:59f3b3cc24dde80f0a270f080583796b866c6b835076aae56f3a3034506246e8","versions":{"14":"14.25","15":"15.20","16":"16.16","17":"17.12","18":"18.7","19":"19rc2"}},"first_version":"7.1","group":"math","group_label":"Mathematical Functions And Operators","groups":["math","datetime"],"imported_at":"2026-09-27T17:57:28.246006+08:00","last_version":"20","name":"random","name_key":"random","position":2040,"present_in":["7.1","7.2","7.3","7.4","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-20261023:812239f5d63d1eef557d7eca467c9a65f5d4230a0544aca560f39e12c2658f5e","receipt_sha256":"82517f6500163896d8633b8611397ceebc2dff96cc4bff0c28e804e26d307969","repair":"wiki-repair-20261023"},"signature":"random ( ) → double precision","signature_count":7,"slug":"random","source_rev":"wiki-repair-20261023:59f3b3cc24dde80f0a270f080583796b866c6b835076aae56f3a3034506246e8","summary":"Returns a random value in the range 0.0 \u003c= x \u003c 1.0","summary_zh":""}},"Definition":{"Collection":"func","Key":"random","SourceDatabase":"center","Version":"18","SourceTable":"func","SourceKey":"random","SourceRevision":"wiki-repair-20261023:59f3b3cc24dde80f0a270f080583796b866c6b835076aae56f3a3034506246e8","Facts":{"description":"Returns a random value in the range 0.0 \u003c= x \u003c 1.0","description_html":"Returns a random value in the range 0.0 \u0026lt;= x \u0026lt; 1.0","description_zh":"返回范围 0.0 \u003c= x \u003c 1.0 内的随机值","description_zh_html":"返回范围 0.0 \u0026lt;= x \u0026lt; 1.0 内的随机值","doc":{"anchor":"FUNCTIONS-MATH-RANDOM-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":"Returns a random value in the range 0.0 \u003c= x \u003c 1.0","description_html":"Returns a random value in the range 0.0 \u0026lt;= x \u0026lt; 1.0","description_zh":"返回范围 0.0 \u003c= x \u003c 1.0 内的随机值","description_zh_html":"返回范围 0.0 \u0026lt;= x \u0026lt; 1.0 内的随机值","examples":[{"expr":"random()","result":"0.897124072839091"}],"html":"\u003ccode class=\"function\"\u003erandom\u003c/code\u003e ( ) → \u003ccode class=\"returnvalue\"\u003edouble precision\u003c/code\u003e","returns":"double precision","text":"random ( ) → double precision","zh_from":"same-version-manual"},{"description":"Returns a random value in the range min \u003c= x \u003c= max. For type numeric, the result will have the same number of fractional decimal digits as min or max, whichever has more.","description_html":"Returns a random value in the range \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e \u0026lt;= x \u0026lt;= \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e. For type \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e, the result will have the same number of fractional decimal digits as \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e or \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e, whichever has more.","description_zh":"返回范围 min \u003c= x \u003c= max 内的随机值。对于 numeric 类型，结果的小数位数与 min 和 max 中小数位数较多者相同。","description_zh_html":"返回范围 \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e \u0026lt;= x \u0026lt;= \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e 内的随机值。对于 \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e 类型，结果的小数位数与 \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e 和 \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e 中小数位数较多者相同。","examples":[{"expr":"random(1, 10)","result":"7"},{"expr":"random(-0.499, 0.499)","result":"0.347"}],"html":"\u003ccode class=\"function\"\u003erandom\u003c/code\u003e ( \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003einteger\u003c/code\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003einteger\u003c/code\u003e ) → \u003ccode class=\"returnvalue\"\u003einteger\u003c/code\u003e","returns":"integer","text":"random ( min integer, max integer ) → integer","zh_from":"same-version-manual"},{"description":"Returns a random value in the range min \u003c= x \u003c= max. For type numeric, the result will have the same number of fractional decimal digits as min or max, whichever has more.","description_html":"Returns a random value in the range \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e \u0026lt;= x \u0026lt;= \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e. For type \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e, the result will have the same number of fractional decimal digits as \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e or \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e, whichever has more.","description_zh":"返回范围 min \u003c= x \u003c= max 内的随机值。对于 numeric 类型，结果的小数位数与 min 和 max 中小数位数较多者相同。","description_zh_html":"返回范围 \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e \u0026lt;= x \u0026lt;= \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e 内的随机值。对于 \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e 类型，结果的小数位数与 \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e 和 \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e 中小数位数较多者相同。","examples":[{"expr":"random(1, 10)","result":"7"},{"expr":"random(-0.499, 0.499)","result":"0.347"}],"html":"\u003ccode class=\"function\"\u003erandom\u003c/code\u003e ( \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003ebigint\u003c/code\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003ebigint\u003c/code\u003e ) → \u003ccode class=\"returnvalue\"\u003ebigint\u003c/code\u003e","returns":"bigint","text":"random ( min bigint, max bigint ) → bigint","zh_from":"same-version-manual"},{"description":"Returns a random value in the range min \u003c= x \u003c= max. For type numeric, the result will have the same number of fractional decimal digits as min or max, whichever has more.","description_html":"Returns a random value in the range \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e \u0026lt;= x \u0026lt;= \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e. For type \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e, the result will have the same number of fractional decimal digits as \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e or \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e, whichever has more.","description_zh":"返回范围 min \u003c= x \u003c= max 内的随机值。对于 numeric 类型，结果的小数位数与 min 和 max 中小数位数较多者相同。","description_zh_html":"返回范围 \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e \u0026lt;= x \u0026lt;= \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e 内的随机值。对于 \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e 类型，结果的小数位数与 \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e 和 \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e 中小数位数较多者相同。","examples":[{"expr":"random(1, 10)","result":"7"},{"expr":"random(-0.499, 0.499)","result":"0.347"}],"html":"\u003ccode class=\"function\"\u003erandom\u003c/code\u003e ( \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e ) → \u003ccode class=\"returnvalue\"\u003enumeric\u003c/code\u003e","returns":"numeric","text":"random ( min numeric, max numeric ) → numeric","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-RANDOM-TABLE","file":"functions-math.html","sha256":"80bdcd3a2c7112aadf400e832cc7c8ee55e389d9b3c12e767c3fbb2b3364ef7b","slug":"18"}},"MeasuredEvidence":{}},"Text":{"Collection":"func","Key":"random","SourceDatabase":"center","Version":"18","Locale":"en","Title":"random","Summary":"Returns a random value in the range 0.0 \u003c= x \u003c 1.0","BodyHTML":"Returns a random value in the range 0.0 \u0026lt;= x \u0026lt; 1.0","SourceRevision":"wiki-repair-20261023:59f3b3cc24dde80f0a270f080583796b866c6b835076aae56f3a3034506246e8","ContentHash":"cb03f32103e0815cee34f2f45386d51c349a98c03bb0ce9c0c4a2f8f3f8e90d5","Payload":{"description":"Returns a random value in the range 0.0 \u003c= x \u003c 1.0","description_html":"Returns a random value in the range 0.0 \u0026lt;= x \u0026lt; 1.0","signatures":[{"description":"Returns a random value in the range 0.0 \u003c= x \u003c 1.0","description_html":"Returns a random value in the range 0.0 \u0026lt;= x \u0026lt; 1.0","description_zh":"返回范围 0.0 \u003c= x \u003c 1.0 内的随机值","description_zh_html":"返回范围 0.0 \u0026lt;= x \u0026lt; 1.0 内的随机值","examples":[{"expr":"random()","result":"0.897124072839091"}],"html":"\u003ccode class=\"function\"\u003erandom\u003c/code\u003e ( ) → \u003ccode class=\"returnvalue\"\u003edouble precision\u003c/code\u003e","returns":"double precision","text":"random ( ) → double precision","zh_from":"same-version-manual"},{"description":"Returns a random value in the range min \u003c= x \u003c= max. For type numeric, the result will have the same number of fractional decimal digits as min or max, whichever has more.","description_html":"Returns a random value in the range \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e \u0026lt;= x \u0026lt;= \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e. For type \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e, the result will have the same number of fractional decimal digits as \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e or \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e, whichever has more.","description_zh":"返回范围 min \u003c= x \u003c= max 内的随机值。对于 numeric 类型，结果的小数位数与 min 和 max 中小数位数较多者相同。","description_zh_html":"返回范围 \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e \u0026lt;= x \u0026lt;= \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e 内的随机值。对于 \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e 类型，结果的小数位数与 \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e 和 \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e 中小数位数较多者相同。","examples":[{"expr":"random(1, 10)","result":"7"},{"expr":"random(-0.499, 0.499)","result":"0.347"}],"html":"\u003ccode class=\"function\"\u003erandom\u003c/code\u003e ( \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003einteger\u003c/code\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003einteger\u003c/code\u003e ) → \u003ccode class=\"returnvalue\"\u003einteger\u003c/code\u003e","returns":"integer","text":"random ( min integer, max integer ) → integer","zh_from":"same-version-manual"},{"description":"Returns a random value in the range min \u003c= x \u003c= max. For type numeric, the result will have the same number of fractional decimal digits as min or max, whichever has more.","description_html":"Returns a random value in the range \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e \u0026lt;= x \u0026lt;= \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e. For type \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e, the result will have the same number of fractional decimal digits as \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e or \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e, whichever has more.","description_zh":"返回范围 min \u003c= x \u003c= max 内的随机值。对于 numeric 类型，结果的小数位数与 min 和 max 中小数位数较多者相同。","description_zh_html":"返回范围 \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e \u0026lt;= x \u0026lt;= \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e 内的随机值。对于 \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e 类型，结果的小数位数与 \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e 和 \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e 中小数位数较多者相同。","examples":[{"expr":"random(1, 10)","result":"7"},{"expr":"random(-0.499, 0.499)","result":"0.347"}],"html":"\u003ccode class=\"function\"\u003erandom\u003c/code\u003e ( \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003ebigint\u003c/code\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003ebigint\u003c/code\u003e ) → \u003ccode class=\"returnvalue\"\u003ebigint\u003c/code\u003e","returns":"bigint","text":"random ( min bigint, max bigint ) → bigint","zh_from":"same-version-manual"},{"description":"Returns a random value in the range min \u003c= x \u003c= max. For type numeric, the result will have the same number of fractional decimal digits as min or max, whichever has more.","description_html":"Returns a random value in the range \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e \u0026lt;= x \u0026lt;= \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e. For type \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e, the result will have the same number of fractional decimal digits as \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e or \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e, whichever has more.","description_zh":"返回范围 min \u003c= x \u003c= max 内的随机值。对于 numeric 类型，结果的小数位数与 min 和 max 中小数位数较多者相同。","description_zh_html":"返回范围 \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e \u0026lt;= x \u0026lt;= \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e 内的随机值。对于 \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e 类型，结果的小数位数与 \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e 和 \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e 中小数位数较多者相同。","examples":[{"expr":"random(1, 10)","result":"7"},{"expr":"random(-0.499, 0.499)","result":"0.347"}],"html":"\u003ccode class=\"function\"\u003erandom\u003c/code\u003e ( \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e ) → \u003ccode class=\"returnvalue\"\u003enumeric\u003c/code\u003e","returns":"numeric","text":"random ( min numeric, max numeric ) → numeric","zh_from":"same-version-manual"}]}},"RequestedLocale":"en","Fallback":false,"Versions":["10","11","12","13","14","15","16","17","18","19","20","7.1","7.2","7.3","7.4","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":"89f6fd519b4ec980339641dffa5f1eb952bb636160ff9f6cf287a8607e754e54","Text":"random ( ) → double precision","Returns":"double precision","Payload":{"description":"Returns a random value in the range 0.0 \u003c= x \u003c 1.0","description_html":"Returns a random value in the range 0.0 \u0026lt;= x \u0026lt; 1.0","description_zh":"返回范围 0.0 \u003c= x \u003c 1.0 内的随机值","description_zh_html":"返回范围 0.0 \u0026lt;= x \u0026lt; 1.0 内的随机值","examples":[{"expr":"random()","result":"0.897124072839091"}],"html":"\u003ccode class=\"function\"\u003erandom\u003c/code\u003e ( ) → \u003ccode class=\"returnvalue\"\u003edouble precision\u003c/code\u003e","returns":"double precision","text":"random ( ) → double precision","zh_from":"same-version-manual"}},{"Version":"18","Ordinal":1,"Hash":"b2dcf8fb2f9824965df4022e2ab4cce05dce0fddbcd76670e9dd6d78c021eac7","Text":"random ( min integer, max integer ) → integer","Returns":"integer","Payload":{"description":"Returns a random value in the range min \u003c= x \u003c= max. For type numeric, the result will have the same number of fractional decimal digits as min or max, whichever has more.","description_html":"Returns a random value in the range \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e \u0026lt;= x \u0026lt;= \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e. For type \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e, the result will have the same number of fractional decimal digits as \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e or \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e, whichever has more.","description_zh":"返回范围 min \u003c= x \u003c= max 内的随机值。对于 numeric 类型，结果的小数位数与 min 和 max 中小数位数较多者相同。","description_zh_html":"返回范围 \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e \u0026lt;= x \u0026lt;= \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e 内的随机值。对于 \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e 类型，结果的小数位数与 \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e 和 \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e 中小数位数较多者相同。","examples":[{"expr":"random(1, 10)","result":"7"},{"expr":"random(-0.499, 0.499)","result":"0.347"}],"html":"\u003ccode class=\"function\"\u003erandom\u003c/code\u003e ( \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003einteger\u003c/code\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003einteger\u003c/code\u003e ) → \u003ccode class=\"returnvalue\"\u003einteger\u003c/code\u003e","returns":"integer","text":"random ( min integer, max integer ) → integer","zh_from":"same-version-manual"}},{"Version":"18","Ordinal":2,"Hash":"4ee91e49490444266193565aa97be6f546d499f2eb8fc7afc392914b5e5b6245","Text":"random ( min bigint, max bigint ) → bigint","Returns":"bigint","Payload":{"description":"Returns a random value in the range min \u003c= x \u003c= max. For type numeric, the result will have the same number of fractional decimal digits as min or max, whichever has more.","description_html":"Returns a random value in the range \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e \u0026lt;= x \u0026lt;= \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e. For type \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e, the result will have the same number of fractional decimal digits as \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e or \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e, whichever has more.","description_zh":"返回范围 min \u003c= x \u003c= max 内的随机值。对于 numeric 类型，结果的小数位数与 min 和 max 中小数位数较多者相同。","description_zh_html":"返回范围 \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e \u0026lt;= x \u0026lt;= \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e 内的随机值。对于 \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e 类型，结果的小数位数与 \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e 和 \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e 中小数位数较多者相同。","examples":[{"expr":"random(1, 10)","result":"7"},{"expr":"random(-0.499, 0.499)","result":"0.347"}],"html":"\u003ccode class=\"function\"\u003erandom\u003c/code\u003e ( \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003ebigint\u003c/code\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003ebigint\u003c/code\u003e ) → \u003ccode class=\"returnvalue\"\u003ebigint\u003c/code\u003e","returns":"bigint","text":"random ( min bigint, max bigint ) → bigint","zh_from":"same-version-manual"}},{"Version":"18","Ordinal":3,"Hash":"4b86f759bdb4e7d9df94227b743d1d81b085ea72af2eb9e8f2a4f6bd19c63330","Text":"random ( min numeric, max numeric ) → numeric","Returns":"numeric","Payload":{"description":"Returns a random value in the range min \u003c= x \u003c= max. For type numeric, the result will have the same number of fractional decimal digits as min or max, whichever has more.","description_html":"Returns a random value in the range \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e \u0026lt;= x \u0026lt;= \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e. For type \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e, the result will have the same number of fractional decimal digits as \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e or \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e, whichever has more.","description_zh":"返回范围 min \u003c= x \u003c= max 内的随机值。对于 numeric 类型，结果的小数位数与 min 和 max 中小数位数较多者相同。","description_zh_html":"返回范围 \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e \u0026lt;= x \u0026lt;= \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e 内的随机值。对于 \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e 类型，结果的小数位数与 \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e 和 \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e 中小数位数较多者相同。","examples":[{"expr":"random(1, 10)","result":"7"},{"expr":"random(-0.499, 0.499)","result":"0.347"}],"html":"\u003ccode class=\"function\"\u003erandom\u003c/code\u003e ( \u003cem class=\"parameter\"\u003e\u003ccode\u003emin\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003emax\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003enumeric\u003c/code\u003e ) → \u003ccode class=\"returnvalue\"\u003enumeric\u003c/code\u003e","returns":"numeric","text":"random ( min numeric, max numeric ) → numeric","zh_from":"same-version-manual"}}],"Spellings":null,"SQLState":null,"Evidence":null}