{"Entry":{"collection":"psql","key":"cmd-64-75","name":"\\du","aliases":["\\du","\\du+","\\duS","\\duS+","\\duSx","\\duSx+","\\dux","\\dux+"],"metadata":{"aliases":["\\du","\\du+","\\duS","\\duS+","\\duSx","\\duSx+","\\dux","\\dux+"],"category":"Describe database objects","content_hash":"07d16f9c2e718e3aab9865b4261656b235fbeb34437c59dac88e81d598e0c0d6","derived_content_hash":"258cd3bb756dd76080eb5fdf03701a0d53aa8b80065dcd3c9c9eb738e6e32e87","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":"2026-09-30T00:40:44.946619+08:00","name":"\\du","name_zh":"","slug":"cmd-64-75","summary":"Lists database roles. (Since the concepts of “ users ” and “ groups ” have been unified into “ roles ” , this command is now equivalent to \\dg .) By default, only user-created roles are shown; supply the S modifier to include system roles. If pattern is specified, only those roles whose names match the pattern are listed. If x is appended to the command name, the results are displayed in expanded mode. If + is appended to the command name, additional information is shown about each role; currently this adds the comment for each role."}},"Definition":{"Collection":"psql","Key":"cmd-64-75","SourceDatabase":"center","Version":"18","SourceTable":"psql_command","SourceKey":"cmd-64-75","SourceRevision":"1b2d62b4845aa46374f2cb680f95d3392322cc8128646992ae4e18d0e7084915","Facts":{"command":"\\du","comparison_data":{"definition":"Lists database roles. (Since the concepts of “ users ” and “ groups ” have been unified into “ roles ” , this command is now equivalent to \\dg .) By default, only user-created roles are shown; supply the S modifier to include system roles. If pattern is specified, only those roles whose names match the pattern are listed. If x is appended to the command name, the results are displayed in expanded mode. 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If + is appended to the command name, additional information is shown about each role; currently this adds the comment for each role."],"description_zh":"列出数据库角色。（由于 “ 用户 ” 和 “ 组 ” 的概念已经统一为 “ 角色 ” ，此命令现在等同于 \\dg 。）默认情况下，只显示用户创建的角色；提供 S 修饰符可包括系统角色。如果指定了 pattern ，则只列出名称与模式匹配的角色。如果在命令名后追加 x ，结果会以扩展模式显示。如果在命令名后追加 + ，则会显示每个角色的附加信息；目前这会增加每个角色的注释。","description_zh_html":"\u003cdd\u003e\u003cp\u003e\n        列出数据库角色。（由于\u003cspan class=\"quote\"\u003e“\u003cspan class=\"quote\"\u003e用户\u003c/span\u003e”\u003c/span\u003e和\u003cspan class=\"quote\"\u003e“\u003cspan class=\"quote\"\u003e组\u003c/span\u003e”\u003c/span\u003e的概念已经统一为\u003cspan class=\"quote\"\u003e“\u003cspan class=\"quote\"\u003e角色\u003c/span\u003e”\u003c/span\u003e，此命令现在等同于\n        \u003ccode class=\"literal\"\u003e\\dg\u003c/code\u003e。）默认情况下，只显示用户创建的角色；提供\n        \u003ccode class=\"literal\"\u003eS\u003c/code\u003e 修饰符可包括系统角色。如果指定了 \u003cem class=\"replaceable\"\u003e\u003ccode\u003epattern\u003c/code\u003e\u003c/em\u003e，则只列出名称与模式匹配的角色。如果在命令名后追加 \u003ccode class=\"literal\"\u003ex\u003c/code\u003e，结果会以扩展模式显示。如果在命令名后追加 \u003ccode class=\"literal\"\u003e+\u003c/code\u003e，则会显示每个角色的附加信息；目前这会增加每个角色的注释。\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":"\\du"}],"facts_zh":[{"label":"客户端","value":"psql 18.7"},{"label":"区分大小写的写法","value":"\\du"}],"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-DU\"\u003e\u003cspan class=\"term\"\u003e\u003ccode class=\"literal\"\u003e\\du[Sx+] [ \u003ca class=\"link\" href=\"/docs/18/app-psql.html#APP-PSQL-PATTERNS\" title=\"Patterns\"\u003e\u003cem class=\"replaceable\"\u003e\u003ccode\u003epattern\u003c/code\u003e\u003c/em\u003e\u003c/a\u003e ]\u003c/code\u003e\u003c/span\u003e \u003c/dt\u003e\u003cdd\u003e\u003cp\u003e\n        Lists database roles.\n        (Since the concepts of \u003cspan class=\"quote\"\u003e“\u003cspan class=\"quote\"\u003eusers\u003c/span\u003e”\u003c/span\u003e and \u003cspan class=\"quote\"\u003e“\u003cspan class=\"quote\"\u003egroups\u003c/span\u003e”\u003c/span\u003e have been\n        unified into \u003cspan class=\"quote\"\u003e“\u003cspan class=\"quote\"\u003eroles\u003c/span\u003e”\u003c/span\u003e, this command is now equivalent to\n        \u003ccode class=\"literal\"\u003e\\dg\u003c/code\u003e.)\n        By default, only user-created roles are shown; supply the\n        \u003ccode class=\"literal\"\u003eS\u003c/code\u003e modifier to include system roles.\n        If \u003cem class=\"replaceable\"\u003e\u003ccode\u003epattern\u003c/code\u003e\u003c/em\u003e is specified,\n        only those roles whose names match the pattern are listed.\n        If \u003ccode class=\"literal\"\u003ex\u003c/code\u003e is appended to the command name, the results\n        are displayed in expanded mode.\n        If \u003ccode class=\"literal\"\u003e+\u003c/code\u003e is appended to the command name, additional information\n        is shown about each role; currently this adds the comment for each\n        role.\n        \u003c/p\u003e\u003c/dd\u003e\u003c/dl\u003e\u003c/div\u003e","manual_path":"app-psql.html#APP-PSQL-META-COMMAND-DU","modifiers":[{"command":"\\du","modifiers":"Sx+"}],"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":"\\du[Sx+] [ pattern ]","sources":[{"anchor":"APP-PSQL-META-COMMAND-DU","file":"app-psql.html","label":"18.7 English manual · app-psql.html","sha256":"af50448485df02bdef2b72b8347192ba029c7082b8d0392ecb17db44ad533aaf","url":"/docs/18/app-psql.html#APP-PSQL-META-COMMAND-DU"}],"spellings":["\\du"],"tables":[{"columns":[{"key":"command","label":"Command"},{"key":"modifiers","label":"Documented suffix modifiers"}],"key":"spellings","rows":[{"command":{"text":"\\du","url":"/wiki/psql/cmd-64-75/?v=18"},"modifiers":"Sx+"}],"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":"\\du","url":"/wiki/psql/cmd-64-75/?v=18"},"modifiers":"Sx+"}],"title":"本版手册中的写法"}],"zh_from":"same-version-manual"},"ManualEvidence":{"manual_path":"app-psql.html#APP-PSQL-META-COMMAND-DU","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-DU","file":"app-psql.html","label":"18.7 English manual · app-psql.html","sha256":"af50448485df02bdef2b72b8347192ba029c7082b8d0392ecb17db44ad533aaf","url":"/docs/18/app-psql.html#APP-PSQL-META-COMMAND-DU"}]},"MeasuredEvidence":{}},"Text":{"Collection":"psql","Key":"cmd-64-75","SourceDatabase":"center","Version":"18","Locale":"en","Title":"\\du","Summary":"Lists database roles. (Since the concepts of “ users ” and “ groups ” have been unified into “ roles ” , this command is now equivalent to \\dg .) By default, only user-created roles are shown; supply the S modifier to include system roles. If pattern is specified, only those roles whose names match the pattern are listed. If x is appended to the command name, the results are displayed in expanded mode. If + is appended to the command name, additional information is shown about each role; currently this adds the comment for each role.","BodyHTML":"\u003cdiv\u003e\u003cdl\u003e\u003cdt id=\"APP-PSQL-META-COMMAND-DU\"\u003e\u003cspan\u003e\u003ccode\u003e\\du[Sx+] [ \u003ca href=\"/docs/18/app-psql.html#APP-PSQL-PATTERNS\" title=\"Patterns\" rel=\"nofollow\"\u003e\u003cem\u003e\u003ccode\u003epattern\u003c/code\u003e\u003c/em\u003e\u003c/a\u003e ]\u003c/code\u003e\u003c/span\u003e \u003c/dt\u003e\u003cdd\u003e\u003cp\u003e\n        Lists database roles.\n        (Since the concepts of \u003cspan\u003e“\u003cspan\u003eusers\u003c/span\u003e”\u003c/span\u003e and \u003cspan\u003e“\u003cspan\u003egroups\u003c/span\u003e”\u003c/span\u003e have been\n        unified into \u003cspan\u003e“\u003cspan\u003eroles\u003c/span\u003e”\u003c/span\u003e, this command is now equivalent to\n        \u003ccode\u003e\\dg\u003c/code\u003e.)\n        By default, only user-created roles are shown; supply the\n        \u003ccode\u003eS\u003c/code\u003e modifier to include system roles.\n        If \u003cem\u003e\u003ccode\u003epattern\u003c/code\u003e\u003c/em\u003e is specified,\n        only those roles whose names match the pattern are listed.\n        If \u003ccode\u003ex\u003c/code\u003e is appended to the command name, the results\n        are displayed in expanded mode.\n        If \u003ccode\u003e+\u003c/code\u003e is appended to the command name, additional information\n        is shown about each role; currently this adds the comment for each\n        role.\n        \u003c/p\u003e\u003c/dd\u003e\u003c/dl\u003e\u003c/div\u003e","SourceRevision":"1b2d62b4845aa46374f2cb680f95d3392322cc8128646992ae4e18d0e7084915","ContentHash":"1ec1198fe4c5c27e77248d68ba442331a5bb1e993622b41b2b1aa27158d38c5a","Payload":{"description":["Lists database roles. (Since the concepts of “ users ” and “ groups ” have been unified into “ roles ” , this command is now equivalent to \\dg .) By default, only user-created roles are shown; supply the S modifier to include system roles. If pattern is specified, only those roles whose names match the pattern are listed. If x is appended to the command name, the results are displayed in expanded mode. If + is appended to the command name, additional information is shown about each role; currently this adds the comment for each role."],"manual_html":"\u003cdiv\u003e\u003cdl class=\"variablelist\"\u003e\u003cdt id=\"APP-PSQL-META-COMMAND-DU\"\u003e\u003cspan class=\"term\"\u003e\u003ccode class=\"literal\"\u003e\\du[Sx+] [ \u003ca class=\"link\" href=\"/docs/18/app-psql.html#APP-PSQL-PATTERNS\" title=\"Patterns\"\u003e\u003cem class=\"replaceable\"\u003e\u003ccode\u003epattern\u003c/code\u003e\u003c/em\u003e\u003c/a\u003e ]\u003c/code\u003e\u003c/span\u003e \u003c/dt\u003e\u003cdd\u003e\u003cp\u003e\n        Lists database roles.\n        (Since the concepts of \u003cspan class=\"quote\"\u003e“\u003cspan class=\"quote\"\u003eusers\u003c/span\u003e”\u003c/span\u003e and \u003cspan class=\"quote\"\u003e“\u003cspan class=\"quote\"\u003egroups\u003c/span\u003e”\u003c/span\u003e have been\n        unified into \u003cspan class=\"quote\"\u003e“\u003cspan class=\"quote\"\u003eroles\u003c/span\u003e”\u003c/span\u003e, this command is now equivalent to\n        \u003ccode class=\"literal\"\u003e\\dg\u003c/code\u003e.)\n        By default, only user-created roles are shown; supply the\n        \u003ccode class=\"literal\"\u003eS\u003c/code\u003e modifier to include system roles.\n        If \u003cem class=\"replaceable\"\u003e\u003ccode\u003epattern\u003c/code\u003e\u003c/em\u003e is specified,\n        only those roles whose names match the pattern are listed.\n        If \u003ccode class=\"literal\"\u003ex\u003c/code\u003e is appended to the command name, the results\n        are displayed in expanded mode.\n        If \u003ccode class=\"literal\"\u003e+\u003c/code\u003e is appended to the command name, additional information\n        is shown about each role; currently this adds the comment for each\n        role.\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":"\\du","url":"/wiki/psql/cmd-64-75/?v=18"},"modifiers":"Sx+"}],"title":"Spellings in this manual definition"}]}},"RequestedLocale":"en","Fallback":false,"Versions":["10","11","12","13","14","15","16","17","18","19","20"],"Locales":["en","zh-Hans"],"Signatures":null,"Spellings":[{"Version":"18","Ordinal":0,"Command":"\\du","Signature":"\\du[Sx+] [ pattern ]","Modifiers":[{"command":"\\du","modifiers":"Sx+"}]}],"SQLState":null,"Evidence":null}