{"Entry":{"collection":"func","key":"convert","name":"convert","aliases":[],"metadata":{"changed_in":["7.3","8.3"],"changes":[{"descriptions_changed":false,"doc_overhaul":false,"from":"7.1","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"added","to":"7.2"},{"descriptions_changed":true,"doc_overhaul":false,"from":"7.2","group_changed":null,"signatures":{"added":["convert ( string using conversion_name ) → text"],"removed":[]},"status":"changed","to":"7.3"},{"descriptions_changed":true,"doc_overhaul":false,"from":"7.3","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"changed","to":"7.4"},{"descriptions_changed":true,"doc_overhaul":false,"from":"7.4","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"changed","to":"8.0"},{"descriptions_changed":true,"doc_overhaul":false,"from":"8.2","group_changed":null,"signatures":{"added":["convert ( string bytea, src_encoding name, dest_encoding name ) → bytea"],"removed":["convert ( string using conversion_name ) → text","convert ( string text, [src_encoding name,] dest_encoding name ) → text"]},"status":"changed","to":"8.3"},{"descriptions_changed":true,"doc_overhaul":false,"from":"8.4","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"changed","to":"9.0"},{"descriptions_changed":true,"doc_overhaul":false,"from":"9.5","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"changed","to":"9.6"},{"descriptions_changed":true,"doc_overhaul":false,"from":"9.6","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"changed","to":"10"},{"descriptions_changed":true,"doc_overhaul":false,"from":"11","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"changed","to":"12"},{"descriptions_changed":false,"doc_overhaul":true,"from":"12","group_changed":{"from":"string","to":"binarystring"},"signatures":{"added":[],"removed":[]},"status":"changed","to":"13"},{"descriptions_changed":true,"doc_overhaul":false,"from":"13","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"changed","to":"14"},{"descriptions_changed":true,"doc_overhaul":false,"from":"16","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"changed","to":"17"}],"content_hash":"dcc449b3b0350bc632c573b684656a3ec4f290fdacdaf0dbe2fa997d17fdd4ad","first_version":"7.2","group":"binarystring","group_label":"Binary String Functions And Operators","groups":["string","binarystring"],"imported_at":"2026-09-27T17:57:28.463447+08:00","last_version":"20","name":"convert","name_key":"convert","position":4001,"present_in":["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"],"signature":"convert ( bytes bytea, src_encoding name, dest_encoding name ) → bytea","signature_count":1,"slug":"convert","source_rev":"b7bd9cda","summary":"Converts a binary string representing text in encoding src_encoding to a binary string in encoding dest_encoding (see Section 23.3.4 for available conversions).","summary_zh":""}},"Definition":{"Collection":"func","Key":"convert","SourceDatabase":"center","Version":"18","SourceTable":"func","SourceKey":"convert","SourceRevision":"b7bd9cda","Facts":{"description":"Converts a binary string representing text in encoding src_encoding to a binary string in encoding dest_encoding (see Section 23.3.4 for available conversions).","description_html":"Converts a binary string representing text in encoding \u003cem class=\"parameter\"\u003e\u003ccode\u003esrc_encoding\u003c/code\u003e\u003c/em\u003e to a binary string in encoding \u003cem class=\"parameter\"\u003e\u003ccode\u003edest_encoding\u003c/code\u003e\u003c/em\u003e (see \u003ca href=\"/docs/18/multibyte.html#MULTIBYTE-CONVERSIONS-SUPPORTED\" title=\"23.3.4. Available Character Set Conversions\"\u003eSection 23.3.4\u003c/a\u003e for available conversions).","description_zh":"","description_zh_html":"","doc":{"anchor":"FUNCTIONS-BINARYSTRING-CONVERSIONS","file":"functions-binarystring.html","slug":"18"},"group":"binarystring","group_label":"Binary String Functions And Operators","lang":"en","layout":"table-new","pages":["functions-binarystring.html"],"prose_only":false,"signatures":[{"description":"Converts a binary string representing text in encoding src_encoding to a binary string in encoding dest_encoding (see Section 23.3.4 for available conversions).","description_html":"Converts a binary string representing text in encoding \u003cem class=\"parameter\"\u003e\u003ccode\u003esrc_encoding\u003c/code\u003e\u003c/em\u003e to a binary string in encoding \u003cem class=\"parameter\"\u003e\u003ccode\u003edest_encoding\u003c/code\u003e\u003c/em\u003e (see \u003ca href=\"/docs/18/multibyte.html#MULTIBYTE-CONVERSIONS-SUPPORTED\" title=\"23.3.4. Available Character Set Conversions\"\u003eSection 23.3.4\u003c/a\u003e for available conversions).","description_zh":"","description_zh_html":"","examples":[{"expr":"convert('text_in_utf8', 'UTF8', 'LATIN1')","result":"\\x746578745f696e5f75746638"}],"html":"\u003ccode class=\"function\"\u003econvert\u003c/code\u003e ( \u003cem class=\"parameter\"\u003e\u003ccode\u003ebytes\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003ebytea\u003c/code\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003esrc_encoding\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003ename\u003c/code\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003edest_encoding\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003ename\u003c/code\u003e ) → \u003ccode class=\"returnvalue\"\u003ebytea\u003c/code\u003e","returns":"bytea","text":"convert ( bytes bytea, src_encoding name, dest_encoding name ) → bytea","zh_from":""}],"zh_from":""},"ManualEvidence":{"doc":{"anchor":"FUNCTIONS-BINARYSTRING-CONVERSIONS","file":"functions-binarystring.html","slug":"18"}},"MeasuredEvidence":{}},"Text":{"Collection":"func","Key":"convert","SourceDatabase":"pgweb","Version":"18","Locale":"zh-Hans","Title":"convert","Summary":"将表示编码src_encoding的文本的二进制字符串转换为编码dest_encoding的二进制字符串（适用的转换请参阅第 23.3.4 节）。","BodyHTML":"将表示编码\u003cem\u003e\u003ccode\u003esrc_encoding\u003c/code\u003e\u003c/em\u003e的文本的二进制字符串转换为编码\u003cem\u003e\u003ccode\u003edest_encoding\u003c/code\u003e\u003c/em\u003e的二进制字符串（适用的转换请参阅\u003ca href=\"/docs/18/multibyte.html#MULTIBYTE-CONVERSIONS-SUPPORTED\" rel=\"nofollow\"\u003e第 23.3.4 节\u003c/a\u003e）。\u003cpre\u003econvert ( bytes bytea, src_encoding name, dest_encoding name ) → bytea\u003c/pre\u003e将表示编码\u003cem\u003e\u003ccode\u003esrc_encoding\u003c/code\u003e\u003c/em\u003e的文本的二进制字符串转换为编码\u003cem\u003e\u003ccode\u003edest_encoding\u003c/code\u003e\u003c/em\u003e的二进制字符串（适用的转换请参阅\u003ca href=\"/docs/18/multibyte.html#MULTIBYTE-CONVERSIONS-SUPPORTED\" rel=\"nofollow\"\u003e第 23.3.4 节\u003c/a\u003e）。","SourceRevision":"ca936764","ContentHash":"28b7c3e4e392b4e3bbf5720b1636a1f0fdef39471c931c5607f6a496e079951c","Payload":{"description_zh":"将表示编码src_encoding的文本的二进制字符串转换为编码dest_encoding的二进制字符串（适用的转换请参阅第 23.3.4 节）。","description_zh_html":"将表示编码\u003cem class=\"parameter\"\u003e\u003ccode\u003esrc_encoding\u003c/code\u003e\u003c/em\u003e的文本的二进制字符串转换为编码\u003cem class=\"parameter\"\u003e\u003ccode\u003edest_encoding\u003c/code\u003e\u003c/em\u003e的二进制字符串（适用的转换请参阅\u003ca href=\"/docs/18/multibyte.html#MULTIBYTE-CONVERSIONS-SUPPORTED\" title=\"23.3.4. 可用的字符集转换\"\u003e第 23.3.4 节\u003c/a\u003e）。","signatures":[{"description_zh":"将表示编码src_encoding的文本的二进制字符串转换为编码dest_encoding的二进制字符串（适用的转换请参阅第 23.3.4 节）。","description_zh_html":"将表示编码\u003cem class=\"parameter\"\u003e\u003ccode\u003esrc_encoding\u003c/code\u003e\u003c/em\u003e的文本的二进制字符串转换为编码\u003cem class=\"parameter\"\u003e\u003ccode\u003edest_encoding\u003c/code\u003e\u003c/em\u003e的二进制字符串（适用的转换请参阅\u003ca href=\"/docs/18/multibyte.html#MULTIBYTE-CONVERSIONS-SUPPORTED\" title=\"23.3.4. 可用的字符集转换\"\u003e第 23.3.4 节\u003c/a\u003e）。","returns":"bytea","text":"convert ( bytes bytea, src_encoding name, dest_encoding name ) → bytea","zh_from":"doc"}],"zh_from":"doc"}},"RequestedLocale":"zh-Hans","Fallback":false,"Versions":["10","11","12","13","14","15","16","17","18","19","20","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":"c2d74120bab460b4e37b250d93ffb38cdab4f68bd59c185fa13049724edd72fc","Text":"convert ( bytes bytea, src_encoding name, dest_encoding name ) → bytea","Returns":"bytea","Payload":{"description":"Converts a binary string representing text in encoding src_encoding to a binary string in encoding dest_encoding (see Section 23.3.4 for available conversions).","description_html":"Converts a binary string representing text in encoding \u003cem class=\"parameter\"\u003e\u003ccode\u003esrc_encoding\u003c/code\u003e\u003c/em\u003e to a binary string in encoding \u003cem class=\"parameter\"\u003e\u003ccode\u003edest_encoding\u003c/code\u003e\u003c/em\u003e (see \u003ca href=\"/docs/18/multibyte.html#MULTIBYTE-CONVERSIONS-SUPPORTED\" title=\"23.3.4. Available Character Set Conversions\"\u003eSection 23.3.4\u003c/a\u003e for available conversions).","description_zh":"","description_zh_html":"","examples":[{"expr":"convert('text_in_utf8', 'UTF8', 'LATIN1')","result":"\\x746578745f696e5f75746638"}],"html":"\u003ccode class=\"function\"\u003econvert\u003c/code\u003e ( \u003cem class=\"parameter\"\u003e\u003ccode\u003ebytes\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003ebytea\u003c/code\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003esrc_encoding\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003ename\u003c/code\u003e, \u003cem class=\"parameter\"\u003e\u003ccode\u003edest_encoding\u003c/code\u003e\u003c/em\u003e \u003ccode class=\"type\"\u003ename\u003c/code\u003e ) → \u003ccode class=\"returnvalue\"\u003ebytea\u003c/code\u003e","returns":"bytea","text":"convert ( bytes bytea, src_encoding name, dest_encoding name ) → bytea","zh_from":""}}],"Spellings":null,"SQLState":null,"Evidence":null}