{"Entry":{"collection":"psql","key":"cmd-77-61-72-6e","name":"\\warn","aliases":["\\warn"],"metadata":{"aliases":["\\warn"],"category":"Scripting and assistance","content_hash":"80d6006f54d29cda751004e984e284520e2fba477667dd2fe926fde0b7d08571","derived_content_hash":"357b9949a4bc3f2a1ef32a69559abb33e9eb0d26d245cbfaf67b40dd174a2e0a","documentation_refresh":{"batch":"20261113","original_source_rev":"","versions":{"14":"14.25","15":"15.20","16":"16.16","17":"17.12","18":"18.7","19":"19rc2"}},"imported_at":"2026-09-30T00:40:45.228077+08:00","name":"\\warn","name_zh":"","slug":"cmd-77-61-72-6e","summary":"This command is identical to \\echo except that the output will be written to psql 's standard error channel, rather than standard output."}},"Definition":{"Collection":"psql","Key":"cmd-77-61-72-6e","SourceDatabase":"center","Version":"18","SourceTable":"psql_command","SourceKey":"cmd-77-61-72-6e","SourceRevision":"1b2d62b4845aa46374f2cb680f95d3392322cc8128646992ae4e18d0e7084915","Facts":{"command":"\\warn","comparison_data":{"definition":"This command is identical to \\echo except that the output will be written to psql 's standard error channel, rather than standard output.","modifiers":[],"signature":"\\warn text [ ... ]","spellings":["\\warn"]},"comparison_hash":"6273bb83ff4d008a86814e0e0901c8fbebbee8bd60179875041d6bf51e3f458b","description":["This command is identical to \\echo except that the output will be written to psql 's standard error channel, rather than standard output."],"description_zh":"这个命令与 \\echo 命令相同，只是输出将被写入 psql 的标准错误通道，而不是标准输出。","description_zh_html":"\u003cdd\u003e\u003cp\u003e\n        这个命令与\u003ccode class=\"command\"\u003e\\echo\u003c/code\u003e 命令相同，只是输出将被写入 \u003cspan class=\"application\"\u003epsql\u003c/span\u003e 的标准错误通道，而不是标准输出。\n        \u003c/p\u003e\u003c/dd\u003e","documentation_revision":{"inputs":[{"file":"app-psql.html","kind":"same-version-reviewed-manual","locale":"en","sha256":"af50448485df02bdef2b72b8347192ba029c7082b8d0392ecb17db44ad533aaf","version":"18.7"},{"file":"app-psql.html","kind":"same-version-reviewed-manual","locale":"zh-Hans","sha256":"cb475c53a16d9e06358f5e6c9c5649645db92568cfd319f230c62c9f57ae090b","version":"18.7"}],"release":"18.7","runtime_remeasured":false,"source_revision":"pgdoc:b9f0e7232f60f380d642ac9b99226606c254b552"},"facts":[{"label":"Client","value":"psql 18.7"},{"label":"Case-sensitive spelling","value":"\\warn"}],"facts_zh":[{"label":"客户端","value":"psql 18.7"},{"label":"区分大小写的写法","value":"\\warn"}],"localization":{"documentation_release":"18.7","language":"en","source_language":"en","source_revision":"pgdoc:b9f0e7232f60f380d642ac9b99226606c254b552","status":"same-version-reviewed-manual"},"manual_html":"\u003cdiv\u003e\u003cdl class=\"variablelist\"\u003e\u003cdt id=\"APP-PSQL-META-COMMAND-WARN\"\u003e\u003cspan class=\"term\"\u003e\u003ccode class=\"literal\"\u003e\\warn \u003cem class=\"replaceable\"\u003e\u003ccode\u003etext\u003c/code\u003e\u003c/em\u003e [ ... ]\u003c/code\u003e\u003c/span\u003e \u003c/dt\u003e\u003cdd\u003e\u003cp\u003e\n        This command is identical to \u003ccode class=\"command\"\u003e\\echo\u003c/code\u003e except\n        that the output will be written to \u003cspan class=\"application\"\u003epsql\u003c/span\u003e's\n        standard error channel, rather than standard output.\n        \u003c/p\u003e\u003c/dd\u003e\u003c/dl\u003e\u003c/div\u003e","manual_path":"app-psql.html#APP-PSQL-META-COMMAND-WARN","modifiers":[],"related":[{"label":"psql command-line options and complete manual","url":"/wiki/tool/psql/?v=18"}],"related_zh":[{"label":"psql 命令行选项及完整手册","url":"/wiki/tool/psql/?v=18"}],"release":{"channel":"stable","evidence_kind":"English manual and source declarations","label":"18.7","major":"18","manifest":{"major":"18","release":"18.7","source_sha256":"441dfae4280cae3e0425e5f876f80559fb0731c140f1aae22b3e5a54d0411bfd","source_url":"https://ftp.postgresql.org/pub/source/v18.7/postgresql-18.7.tar.bz2"},"ref":"https://ftp.postgresql.org/pub/source/v18.7/postgresql-18.7.tar.bz2","revision":"1b2d62b4845aa46374f2cb680f95d3392322cc8128646992ae4e18d0e7084915","source_sha256":"441dfae4280cae3e0425e5f876f80559fb0731c140f1aae22b3e5a54d0411bfd"},"sections":[],"sections_zh":[],"signature":"\\warn text [ ... ]","sources":[{"anchor":"APP-PSQL-META-COMMAND-WARN","file":"app-psql.html","label":"18.7 English manual · app-psql.html","sha256":"af50448485df02bdef2b72b8347192ba029c7082b8d0392ecb17db44ad533aaf","url":"/docs/18/app-psql.html#APP-PSQL-META-COMMAND-WARN"}],"spellings":["\\warn"],"tables":[{"columns":[{"key":"command","label":"Command"},{"key":"modifiers","label":"Documented suffix modifiers"}],"key":"spellings","rows":[{"command":{"text":"\\warn","url":"/wiki/psql/cmd-77-61-72-6e/?v=18"},"modifiers":"None listed in this signature"}],"title":"Spellings in this manual definition"}],"tables_zh":[{"columns":[{"key":"command","label":"命令"},{"key":"modifiers","label":"手册中的后缀修饰符"}],"key":"spellings","rows":[{"command":{"text":"\\warn","url":"/wiki/psql/cmd-77-61-72-6e/?v=18"},"modifiers":"此语法签名未列出"}],"title":"本版手册中的写法"}],"zh_from":"same-version-manual"},"ManualEvidence":{"manual_path":"app-psql.html#APP-PSQL-META-COMMAND-WARN","release":{"channel":"stable","evidence_kind":"English manual and source declarations","label":"18.7","major":"18","manifest":{"major":"18","release":"18.7","source_sha256":"441dfae4280cae3e0425e5f876f80559fb0731c140f1aae22b3e5a54d0411bfd","source_url":"https://ftp.postgresql.org/pub/source/v18.7/postgresql-18.7.tar.bz2"},"ref":"https://ftp.postgresql.org/pub/source/v18.7/postgresql-18.7.tar.bz2","revision":"1b2d62b4845aa46374f2cb680f95d3392322cc8128646992ae4e18d0e7084915","source_sha256":"441dfae4280cae3e0425e5f876f80559fb0731c140f1aae22b3e5a54d0411bfd"},"sources":[{"anchor":"APP-PSQL-META-COMMAND-WARN","file":"app-psql.html","label":"18.7 English manual · app-psql.html","sha256":"af50448485df02bdef2b72b8347192ba029c7082b8d0392ecb17db44ad533aaf","url":"/docs/18/app-psql.html#APP-PSQL-META-COMMAND-WARN"}]},"MeasuredEvidence":{}},"Text":{"Collection":"psql","Key":"cmd-77-61-72-6e","SourceDatabase":"center","Version":"18","Locale":"en","Title":"\\warn","Summary":"This command is identical to \\echo except that the output will be written to psql 's standard error channel, rather than standard output.","BodyHTML":"\u003cdiv\u003e\u003cdl\u003e\u003cdt id=\"APP-PSQL-META-COMMAND-WARN\"\u003e\u003cspan\u003e\u003ccode\u003e\\warn \u003cem\u003e\u003ccode\u003etext\u003c/code\u003e\u003c/em\u003e [ ... ]\u003c/code\u003e\u003c/span\u003e \u003c/dt\u003e\u003cdd\u003e\u003cp\u003e\n        This command is identical to \u003ccode\u003e\\echo\u003c/code\u003e except\n        that the output will be written to \u003cspan\u003epsql\u003c/span\u003e\u0026#39;s\n        standard error channel, rather than standard output.\n        \u003c/p\u003e\u003c/dd\u003e\u003c/dl\u003e\u003c/div\u003e","SourceRevision":"1b2d62b4845aa46374f2cb680f95d3392322cc8128646992ae4e18d0e7084915","ContentHash":"a11272689209a7dd58c0751249beb37419c2e970431c269d4b34e9adc9f993d2","Payload":{"description":["This command is identical to \\echo except that the output will be written to psql 's standard error channel, rather than standard output."],"manual_html":"\u003cdiv\u003e\u003cdl class=\"variablelist\"\u003e\u003cdt id=\"APP-PSQL-META-COMMAND-WARN\"\u003e\u003cspan class=\"term\"\u003e\u003ccode class=\"literal\"\u003e\\warn \u003cem class=\"replaceable\"\u003e\u003ccode\u003etext\u003c/code\u003e\u003c/em\u003e [ ... ]\u003c/code\u003e\u003c/span\u003e \u003c/dt\u003e\u003cdd\u003e\u003cp\u003e\n        This command is identical to \u003ccode class=\"command\"\u003e\\echo\u003c/code\u003e except\n        that the output will be written to \u003cspan class=\"application\"\u003epsql\u003c/span\u003e's\n        standard error channel, rather than standard output.\n        \u003c/p\u003e\u003c/dd\u003e\u003c/dl\u003e\u003c/div\u003e","related":[{"label":"psql command-line options and complete manual","url":"/wiki/tool/psql/?v=18"}],"sections":[],"tables":[{"columns":[{"key":"command","label":"Command"},{"key":"modifiers","label":"Documented suffix modifiers"}],"key":"spellings","rows":[{"command":{"text":"\\warn","url":"/wiki/psql/cmd-77-61-72-6e/?v=18"},"modifiers":"None listed in this signature"}],"title":"Spellings in this manual definition"}]}},"RequestedLocale":"en","Fallback":false,"Versions":["13","14","15","16","17","18","19","20"],"Locales":["en","zh-Hans"],"Signatures":null,"Spellings":[{"Version":"18","Ordinal":0,"Command":"\\warn","Signature":"\\warn text [ ... ]","Modifiers":[]}],"SQLState":null,"Evidence":null}
