{"Entry":{"collection":"func","key":"pg-get-constraintdef","name":"pg_get_constraintdef","aliases":[],"metadata":{"changed_in":["7.4"],"changes":[{"descriptions_changed":false,"doc_overhaul":false,"from":"7.2","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"added","to":"7.3"},{"descriptions_changed":true,"doc_overhaul":false,"from":"7.3","group_changed":null,"signatures":{"added":["pg_get_constraintdef ( constraint_oid ) → text","pg_get_constraintdef ( constraint_oid, pretty_bool ) → text"],"removed":["pg_get_constraintdef ( constraintOID ) → text"]},"status":"changed","to":"7.4"},{"descriptions_changed":false,"doc_overhaul":false,"from":"7.4","group_changed":{"from":"misc","to":"info"},"signatures":{"added":[],"removed":[]},"status":"changed","to":"8.0"},{"descriptions_changed":false,"doc_overhaul":true,"from":"12","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"changed","to":"13"}],"content_hash":"1f52e279bfbececd084c4adadf03e2cf0cb6fac736b7a74d50b92585019196b8","derived_content_hash":"cdc7085d0d7f84b95e0674136a8087f950a0ccea7b72d94c35bd036e333aa30b","documentation_refresh":{"batch":"20261113","original_source_rev":"wiki-repair-20261023:be616a7909bc07db8561b0efb636089068a72dcc6ee7b382d1b81f83fed90d2b","versions":{"14":"14.25","15":"15.20","16":"16.16","17":"17.12","18":"18.7","19":"19rc2"}},"first_version":"7.3","group":"info","group_label":"System Information Functions And Operators","groups":["misc","info"],"imported_at":"2026-09-27T17:57:29.163757+08:00","last_version":"20","name":"pg_get_constraintdef","name_key":"pg_get_constraintdef","position":28054,"present_in":["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:bf13f07042abfa7d95d6cf32ddc8937623b613a710db4876a153a10d262426ea","receipt_sha256":"9fe15c38b9057878d979d4f52de639124563408f5d70e76f401d9b4c67760137","repair":"wiki-repair-20261023"},"signature":"pg_get_constraintdef ( constraint oid [, pretty boolean ] ) → text","signature_count":1,"slug":"pg-get-constraintdef","source_rev":"wiki-repair-20261023:be616a7909bc07db8561b0efb636089068a72dcc6ee7b382d1b81f83fed90d2b","summary":"Reconstructs the creating command for a constraint.","summary_zh":""}},"Definition":{"Collection":"func","Key":"pg-get-constraintdef","SourceDatabase":"center","Version":"18","SourceTable":"func","SourceKey":"pg-get-constraintdef","SourceRevision":"wiki-repair-20261023:be616a7909bc07db8561b0efb636089068a72dcc6ee7b382d1b81f83fed90d2b","Facts":{"description":"Reconstructs the creating command for a constraint. (This is a decompiled reconstruction, not the original text of the command.)","description_html":"Reconstructs the creating command for a constraint. (This is a decompiled reconstruction, not the original text of the command.)","description_zh":"重建约束的创建命令。（这是反编译重建的结果，并非命令的原始文本。）","description_zh_html":"重建约束的创建命令。（这是反编译重建的结果，并非命令的原始文本。）","doc":{"anchor":"FUNCTIONS-INFO-CATALOG-TABLE","file":"functions-info.html","sha256":"64499116227a087138bb14f29ff6652b200a176d5df3ce2a089c3d5c226b19b3","slug":"18"},"documentation_revision":{"inputs":[{"file":"functions-info.html","kind":"same-version-reviewed-manual","locale":"en","sha256":"64499116227a087138bb14f29ff6652b200a176d5df3ce2a089c3d5c226b19b3","version":"18.7"},{"file":"functions-info.html","kind":"same-version-reviewed-manual","locale":"zh-Hans","sha256":"f9684137c0b9fb17a691c4d905529d114472a507a007c15058f2703962b611d2","version":"18.7"}],"release":"18.7","runtime_remeasured":false,"source_revision":"pgdoc:b9f0e7232f60f380d642ac9b99226606c254b552"},"group":"info","group_label":"系统信息函数和操作符","lang":"en","layout":"table-new","pages":["functions-info.html"],"prose_only":false,"signatures":[{"description":"Reconstructs the creating command for a constraint. (This is a decompiled reconstruction, not the original text of the command.)","description_html":"Reconstructs the creating command for a constraint. (This is a decompiled reconstruction, not the original text of the command.)","description_zh":"重建约束的创建命令。（这是反编译重建的结果，并非命令的原始文本。）","description_zh_html":"重建约束的创建命令。（这是反编译重建的结果，并非命令的原始文本。）","examples":[],"html":"\u003ccode class=\"function\"\u003epg_get_constraintdef\u003c/code\u003e ( \u003cem class=\"parameter\"\u003e\u003ccode\u003econstraint\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003eoid\u003c/code\u003e [\u003cspan class=\"optional\"\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003epretty\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003eboolean\u003c/code\u003e\u003c/span\u003e] ) → \u003ccode class=\"returnvalue\"\u003etext\u003c/code\u003e","returns":"text","text":"pg_get_constraintdef ( constraint oid [, pretty boolean] ) → text","zh_from":"same-version-manual"}],"translation_provenance":{"inputs":[{"kind":"current-pgdoc-translation","path":"/Users/vonng/pgsty/pgdoc/zh/18/html/functions-info.html","sha256":"7c33185e79430cfbda432dc4db277115c7ac846afccadfcf904ceb1bf2aa1ba5"}],"kind":"same-version-pgdoc","locale":"zh-Hans","source_revision":"b1b500221dbe5437cfca004d6b04d3f6e422765d","version":"18"},"zh_from":"same-version-manual"},"ManualEvidence":{"doc":{"anchor":"FUNCTIONS-INFO-CATALOG-TABLE","file":"functions-info.html","sha256":"64499116227a087138bb14f29ff6652b200a176d5df3ce2a089c3d5c226b19b3","slug":"18"}},"MeasuredEvidence":{}},"Text":{"Collection":"func","Key":"pg-get-constraintdef","SourceDatabase":"center","Version":"18","Locale":"en","Title":"pg_get_constraintdef","Summary":"Reconstructs the creating command for a constraint. (This is a decompiled reconstruction, not the original text of the command.)","BodyHTML":"Reconstructs the creating command for a constraint. (This is a decompiled reconstruction, not the original text of the command.)","SourceRevision":"wiki-repair-20261023:be616a7909bc07db8561b0efb636089068a72dcc6ee7b382d1b81f83fed90d2b","ContentHash":"454a527429383732782b27cb8f463ae1eaa84071f5fc5b4fac75c94971f84691","Payload":{"description":"Reconstructs the creating command for a constraint. (This is a decompiled reconstruction, not the original text of the command.)","description_html":"Reconstructs the creating command for a constraint. (This is a decompiled reconstruction, not the original text of the command.)","signatures":[{"description":"Reconstructs the creating command for a constraint. (This is a decompiled reconstruction, not the original text of the command.)","description_html":"Reconstructs the creating command for a constraint. (This is a decompiled reconstruction, not the original text of the command.)","description_zh":"重建约束的创建命令。（这是反编译重建的结果，并非命令的原始文本。）","description_zh_html":"重建约束的创建命令。（这是反编译重建的结果，并非命令的原始文本。）","examples":[],"html":"\u003ccode class=\"function\"\u003epg_get_constraintdef\u003c/code\u003e ( \u003cem class=\"parameter\"\u003e\u003ccode\u003econstraint\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003eoid\u003c/code\u003e [\u003cspan class=\"optional\"\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003epretty\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003eboolean\u003c/code\u003e\u003c/span\u003e] ) → \u003ccode class=\"returnvalue\"\u003etext\u003c/code\u003e","returns":"text","text":"pg_get_constraintdef ( constraint oid [, pretty boolean] ) → text","zh_from":"same-version-manual"}]}},"RequestedLocale":"en","Fallback":false,"Versions":["10","11","12","13","14","15","16","17","18","19","20","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":"91f546feaf1a5f92d14d309980ca51d64ea38513e1dbebe6c5fbe2dca1b38913","Text":"pg_get_constraintdef ( constraint oid [, pretty boolean] ) → text","Returns":"text","Payload":{"description":"Reconstructs the creating command for a constraint. (This is a decompiled reconstruction, not the original text of the command.)","description_html":"Reconstructs the creating command for a constraint. (This is a decompiled reconstruction, not the original text of the command.)","description_zh":"重建约束的创建命令。（这是反编译重建的结果，并非命令的原始文本。）","description_zh_html":"重建约束的创建命令。（这是反编译重建的结果，并非命令的原始文本。）","examples":[],"html":"\u003ccode class=\"function\"\u003epg_get_constraintdef\u003c/code\u003e ( \u003cem class=\"parameter\"\u003e\u003ccode\u003econstraint\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003eoid\u003c/code\u003e [\u003cspan class=\"optional\"\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003epretty\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003eboolean\u003c/code\u003e\u003c/span\u003e] ) → \u003ccode class=\"returnvalue\"\u003etext\u003c/code\u003e","returns":"text","text":"pg_get_constraintdef ( constraint oid [, pretty boolean] ) → text","zh_from":"same-version-manual"}}],"Spellings":null,"SQLState":null,"Evidence":null}