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📄 ABORT.7(2.2 KB)
📄 ALTER_AGGREGATE.7(3.53 KB)
📄 ALTER_COLLATION.7(2.8 KB)
📄 ALTER_CONVERSION.7(2.9 KB)
📄 ALTER_DATABASE.7(5.28 KB)
📄 ALTER_DEFAULT_PRIVILEGES.7(6.39 KB)
📄 ALTER_DOMAIN.7(6.79 KB)
📄 ALTER_EXTENSION.7(6.54 KB)
📄 ALTER_FOREIGN_DATA_WRAPPER.7(4.37 KB)
📄 ALTER_FOREIGN_TABLE.7(7.6 KB)
📄 ALTER_FUNCTION.7(7.62 KB)
📄 ALTER_GROUP.7(3 KB)
📄 ALTER_INDEX.7(4.51 KB)
📄 ALTER_LANGUAGE.7(2.1 KB)
📄 ALTER_LARGE_OBJECT.7(1.97 KB)
📄 ALTER_OPERATOR.7(3.01 KB)
📄 ALTER_OPERATOR_CLASS.7(2.85 KB)
📄 ALTER_OPERATOR_FAMILY.7(9.09 KB)
📄 ALTER_ROLE.7(8.23 KB)
📄 ALTER_SCHEMA.7(2.31 KB)
📄 ALTER_SEQUENCE.7(7.52 KB)
📄 ALTER_SERVER.7(3.4 KB)
📄 ALTER_TABLE.7(30.51 KB)
📄 ALTER_TABLESPACE.7(3.27 KB)
📄 ALTER_TEXT_SEARCH_CONFIGURATION.7(4.8 KB)
📄 ALTER_TEXT_SEARCH_DICTIONARY.7(4.03 KB)
📄 ALTER_TEXT_SEARCH_PARSER.7(2.27 KB)
📄 ALTER_TEXT_SEARCH_TEMPLATE.7(2.31 KB)
📄 ALTER_TRIGGER.7(2.51 KB)
📄 ALTER_TYPE.7(6.87 KB)
📄 ALTER_USER.7(2.49 KB)
📄 ALTER_USER_MAPPING.7(3.28 KB)
📄 ALTER_VIEW.7(3.89 KB)
📄 ANALYZE.7(7.52 KB)
📄 BEGIN.7(4.08 KB)
📄 CHECKPOINT.7(2.32 KB)
📄 CLOSE.7(2.76 KB)
📄 CLUSTER.7(6.26 KB)
📄 COMMENT.7(9 KB)
📄 COMMIT.7(2.12 KB)
📄 COMMIT_PREPARED.7(2.61 KB)
📄 COPY.7(26.12 KB)
📄 CREATE_AGGREGATE.7(9.44 KB)
📄 CREATE_CAST.7(14.07 KB)
📄 CREATE_COLLATION.7(4.01 KB)
📄 CREATE_CONVERSION.7(3.82 KB)
📄 CREATE_DATABASE.7(7.86 KB)
📄 CREATE_DOMAIN.7(5.37 KB)
📄 CREATE_EXTENSION.7(5.67 KB)
📄 CREATE_FOREIGN_DATA_WRAPPER.7(5.08 KB)
📄 CREATE_FOREIGN_TABLE.7(4.7 KB)
📄 CREATE_FUNCTION.7(21.62 KB)
📄 CREATE_GROUP.7(2.17 KB)
📄 CREATE_INDEX.7(18.72 KB)
📄 CREATE_LANGUAGE.7(9.86 KB)
📄 CREATE_OPERATOR.7(6.92 KB)
📄 CREATE_OPERATOR_CLASS.7(8.54 KB)
📄 CREATE_OPERATOR_FAMILY.7(3.64 KB)
📄 CREATE_ROLE.7(12.18 KB)
📄 CREATE_RULE.7(7.91 KB)
📄 CREATE_SCHEMA.7(5.4 KB)
📄 CREATE_SEQUENCE.7(9.11 KB)
📄 CREATE_SERVER.7(3.68 KB)
📄 CREATE_TABLE.7(39.83 KB)
📄 CREATE_TABLESPACE.7(3.52 KB)
📄 CREATE_TABLE_AS.7(7.94 KB)
📄 CREATE_TEXT_SEARCH_CONFIGURATION.7(3.25 KB)
📄 CREATE_TEXT_SEARCH_DICTIONARY.7(3.39 KB)
📄 CREATE_TEXT_SEARCH_PARSER.7(3.61 KB)
📄 CREATE_TEXT_SEARCH_TEMPLATE.7(3.43 KB)
📄 CREATE_TRIGGER.7(15.11 KB)
📄 CREATE_TYPE.7(28.33 KB)
📄 CREATE_USER.7(2.48 KB)
📄 CREATE_USER_MAPPING.7(3.31 KB)
📄 CREATE_VIEW.7(7.13 KB)
📄 DEALLOCATE.7(2.05 KB)
📄 DECLARE.7(10.26 KB)
📄 DELETE.7(7.39 KB)
📄 DISCARD.7(2.53 KB)
📄 DO.7(3.13 KB)
📄 DROP_AGGREGATE.7(2.58 KB)
📄 DROP_CAST.7(2.29 KB)
📄 DROP_COLLATION.7(2.34 KB)
📄 DROP_CONVERSION.7(2.4 KB)
📄 DROP_DATABASE.7(2.41 KB)
📄 DROP_DOMAIN.7(2.25 KB)
📄 DROP_EXTENSION.7(2.64 KB)
📄 DROP_FOREIGN_DATA_WRAPPER.7(2.52 KB)
📄 DROP_FOREIGN_TABLE.7(2.5 KB)
📄 DROP_FUNCTION.7(3.27 KB)
📄 DROP_GROUP.7(1.6 KB)
📄 DROP_INDEX.7(2.99 KB)
📄 DROP_LANGUAGE.7(2.77 KB)
📄 DROP_OPERATOR.7(2.9 KB)
📄 DROP_OPERATOR_CLASS.7(3.38 KB)
📄 DROP_OPERATOR_FAMILY.7(3.16 KB)
📄 DROP_OWNED.7(3.02 KB)
📄 DROP_ROLE.7(3.08 KB)
📄 DROP_RULE.7(2.2 KB)
📄 DROP_SCHEMA.7(2.55 KB)
📄 DROP_SEQUENCE.7(2.38 KB)
📄 DROP_SERVER.7(2.3 KB)
📄 DROP_TABLE.7(2.88 KB)
📄 DROP_TABLESPACE.7(2.51 KB)
📄 DROP_TEXT_SEARCH_CONFIGURATION.7(2.76 KB)
📄 DROP_TEXT_SEARCH_DICTIONARY.7(2.67 KB)
📄 DROP_TEXT_SEARCH_PARSER.7(2.58 KB)
📄 DROP_TEXT_SEARCH_TEMPLATE.7(2.61 KB)
📄 DROP_TRIGGER.7(2.52 KB)
📄 DROP_TYPE.7(2.43 KB)
📄 DROP_USER.7(1.68 KB)
📄 DROP_USER_MAPPING.7(2.59 KB)
📄 DROP_VIEW.7(2.34 KB)
📄 END.7(2.21 KB)
📄 EXECUTE.7(2.96 KB)
📄 EXPLAIN.7(12.89 KB)
📄 FETCH.7(8.52 KB)
📄 GRANT.7(21.41 KB)
📄 INSERT.7(8.74 KB)
📄 LISTEN.7(3.53 KB)
📄 LOAD.7(2.58 KB)
📄 LOCK.7(7.92 KB)
📄 MOVE.7(2.96 KB)
📄 NOTIFY.7(7.96 KB)
📄 PREPARE.7(6.2 KB)
📄 PREPARE_TRANSACTION.7(5.77 KB)
📄 REASSIGN_OWNED.7(3.08 KB)
📄 REINDEX.7(7.85 KB)
📄 RELEASE_SAVEPOINT.7(3.06 KB)
📄 RESET.7(2.96 KB)
📄 REVOKE.7(10.46 KB)
📄 ROLLBACK.7(2.12 KB)
📄 ROLLBACK_PREPARED.7(2.64 KB)
📄 ROLLBACK_TO_SAVEPOINT.7(4.01 KB)
📄 SAVEPOINT.7(3.55 KB)
📄 SECURITY_LABEL.7(5.29 KB)
📄 SELECT.7(52.77 KB)
📄 SELECT_INTO.7(4.53 KB)
📄 SET.7(7.46 KB)
📄 SET_CONSTRAINTS.7(4.56 KB)
📄 SET_ROLE.7(4.38 KB)
📄 SET_SESSION_AUTHORIZATION.7(3.92 KB)
📄 SET_TRANSACTION.7(8.44 KB)
📄 SHOW.7(4.25 KB)
📄 START_TRANSACTION.7(2.93 KB)
📄 TABLE.7(18 B)
📄 TRUNCATE.7(6.24 KB)
📄 UNLISTEN.7(2.77 KB)
📄 UPDATE.7(10.63 KB)
📄 VACUUM.7(7.09 KB)
📄 VALUES.7(6.97 KB)
📄 WITH.7(18 B)

Editing: ALTER_ROLE.7

'\" t
.\"     Title: ALTER ROLE
.\"    Author: The PostgreSQL Global Development Group
.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
.\"      Date: 2017-11-06
.\"    Manual: PostgreSQL 9.2.24 Documentation
.\"    Source: PostgreSQL 9.2.24
.\"  Language: English
.\"
.TH "ALTER ROLE" "7" "2017-11-06" "PostgreSQL 9.2.24" "PostgreSQL 9.2.24 Documentation"
.\" -----------------------------------------------------------------
.\" * Define some portability stuff
.\" -----------------------------------------------------------------
.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.\" http://bugs.debian.org/507673
.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.ie \n(.g .ds Aq \(aq
.el       .ds Aq '
.\" -----------------------------------------------------------------
.\" * set default formatting
.\" -----------------------------------------------------------------
.\" disable hyphenation
.nh
.\" disable justification (adjust text to left margin only)
.ad l
.\" -----------------------------------------------------------------
.\" * MAIN CONTENT STARTS HERE *
.\" -----------------------------------------------------------------
.SH "NAME"
ALTER_ROLE \- change a database role
.\" ALTER ROLE
.SH "SYNOPSIS"
.sp
.nf
ALTER ROLE \fIname\fR [ [ WITH ] \fIoption\fR [ \&.\&.\&. ] ]

where \fIoption\fR can be:

ALTER ROLE \fIname\fR RENAME TO \fInew_name\fR

ALTER ROLE \fIname\fR [ IN DATABASE \fIdatabase_name\fR ] SET \fIconfiguration_parameter\fR { TO | = } { \fIvalue\fR | DEFAULT }
ALTER ROLE \fIname\fR [ IN DATABASE \fIdatabase_name\fR ] SET \fIconfiguration_parameter\fR FROM CURRENT
ALTER ROLE \fIname\fR [ IN DATABASE \fIdatabase_name\fR ] RESET \fIconfiguration_parameter\fR
ALTER ROLE \fIname\fR [ IN DATABASE \fIdatabase_name\fR ] RESET ALL
.fi
.SH "DESCRIPTION"
.PP
\fBALTER ROLE\fR
changes the attributes of a
PostgreSQL
role\&.
.PP
The first variant of this command listed in the synopsis can change many of the role attributes that can be specified in
CREATE ROLE (\fBCREATE_ROLE\fR(7))\&. (All the possible attributes are covered, except that there are no options for adding or removing memberships; use
\fBGRANT\fR(7)
and
\fBREVOKE\fR(7)
for that\&.) Attributes not mentioned in the command retain their previous settings\&. Database superusers can change any of these settings for any role\&. Roles having
CREATEROLE
privilege can change any of these settings, but only for non\-superuser and non\-replication roles\&. Ordinary roles can only change their own password\&.
.PP
The second variant changes the name of the role\&. Database superusers can rename any role\&. Roles having
CREATEROLE
privilege can rename non\-superuser roles\&. The current session user cannot be renamed\&. (Connect as a different user if you need to do that\&.) Because
MD5\-encrypted passwords use the role name as cryptographic salt, renaming a role clears its password if the password is
MD5\-encrypted\&.
.PP
The remaining variants change a role\*(Aqs session default for a configuration variable, either for all databases or, when the
IN DATABASE
clause is specified, only for sessions in the named database\&. Whenever the role subsequently starts a new session, the specified value becomes the session default, overriding whatever setting is present in
postgresql\&.conf
or has been received from the
\fBpostgres\fR
command line\&. This only happens at login time; executing
SET ROLE (\fBSET_ROLE\fR(7))
or
SET SESSION AUTHORIZATION (\fBSET_SESSION_AUTHORIZATION\fR(7))
does not cause new configuration values to be set\&. Settings set for all databases are overridden by database\-specific settings attached to a role\&. Superusers can change anyone\*(Aqs session defaults\&. Roles having
CREATEROLE
privilege can change defaults for non\-superuser roles\&. Ordinary roles can only set defaults for themselves\&. Certain configuration variables cannot be set this way, or can only be set if a superuser issues the command\&.
.SH "PARAMETERS"
.PP
\fIname\fR
.RS 4
The name of the role whose attributes are to be altered\&.
.RE
.PP
SUPERUSER, NOSUPERUSER, CREATEDB, NOCREATEDB, CREATEROLE, NOCREATEROLE, CREATEUSER, NOCREATEUSER, INHERIT, NOINHERIT, LOGIN, NOLOGIN, REPLICATION, NOREPLICATION, CONNECTION LIMIT \fIconnlimit\fR, PASSWORD \fIpassword\fR, ENCRYPTED, UNENCRYPTED, VALID UNTIL \*(Aq\fItimestamp\fR\*(Aq
.RS 4
These clauses alter attributes originally set by
CREATE ROLE (\fBCREATE_ROLE\fR(7))\&. For more information, see the
\fBCREATE ROLE\fR
reference page\&.
.RE
.PP
\fInew_name\fR
.RS 4
The new name of the role\&.
.RE
.PP
\fIdatabase_name\fR
.RS 4
The name of the database the configuration variable should be set in\&.
.RE
.PP
\fIconfiguration_parameter\fR, \fIvalue\fR
.RS 4
Set this role\*(Aqs session default for the specified configuration parameter to the given value\&. If
\fIvalue\fR
is
DEFAULT
or, equivalently,
RESET
is used, the role\-specific variable setting is removed, so the role will inherit the system\-wide default setting in new sessions\&. Use
RESET ALL
to clear all role\-specific settings\&.
SET FROM CURRENT
saves the session\*(Aqs current value of the parameter as the role\-specific value\&. If
IN DATABASE
is specified, the configuration parameter is set or removed for the given role and database only\&.
.sp
Role\-specific variable settings take effect only at login;
SET ROLE (\fBSET_ROLE\fR(7))
and
SET SESSION AUTHORIZATION (\fBSET_SESSION_AUTHORIZATION\fR(7))
do not process role\-specific variable settings\&.
.sp
See
\fBSET\fR(7)
and
Chapter 18, Server Configuration, in the documentation
for more information about allowed parameter names and values\&.
.RE
.SH "NOTES"
.PP
Use
CREATE ROLE (\fBCREATE_ROLE\fR(7))
to add new roles, and
DROP ROLE (\fBDROP_ROLE\fR(7))
to remove a role\&.
.PP
\fBALTER ROLE\fR
cannot change a role\*(Aqs memberships\&. Use
\fBGRANT\fR(7)
and
\fBREVOKE\fR(7)
to do that\&.
.PP
Caution must be exercised when specifying an unencrypted password with this command\&. The password will be transmitted to the server in cleartext, and it might also be logged in the client\*(Aqs command history or the server log\&.
\fBpsql\fR(1)
contains a command
\fB\epassword\fR
that can be used to change a role\*(Aqs password without exposing the cleartext password\&.
.PP
It is also possible to tie a session default to a specific database rather than to a role; see
ALTER DATABASE (\fBALTER_DATABASE\fR(7))\&. If there is a conflict, database\-role\-specific settings override role\-specific ones, which in turn override database\-specific ones\&.
.SH "EXAMPLES"
.PP
Change a role\*(Aqs password:
.sp
.if n \{\
.RS 4
.\}
.nf
ALTER ROLE davide WITH PASSWORD \*(Aqhu8jmn3\*(Aq;
.fi
.if n \{\
.RE
.\}
.PP
Remove a role\*(Aqs password:
.sp
.if n \{\
.RS 4
.\}
.nf
ALTER ROLE davide WITH PASSWORD NULL;
.fi
.if n \{\
.RE
.\}
.PP
Change a password expiration date, specifying that the password should expire at midday on 4th May 2015 using the time zone which is one hour ahead of
UTC:
.sp
.if n \{\
.RS 4
.\}
.nf
ALTER ROLE chris VALID UNTIL \*(AqMay 4 12:00:00 2015 +1\*(Aq;
.fi
.if n \{\
.RE
.\}
.PP
Make a password valid forever:
.sp
.if n \{\
.RS 4
.\}
.nf
ALTER ROLE fred VALID UNTIL \*(Aqinfinity\*(Aq;
.fi
.if n \{\
.RE
.\}
.PP
Give a role the ability to create other roles and new databases:
.sp
.if n \{\
.RS 4
.\}
.nf
ALTER ROLE miriam CREATEROLE CREATEDB;
.fi
.if n \{\
.RE
.\}
.PP
Give a role a non\-default setting of the
maintenance_work_mem
parameter:
.sp
.if n \{\
.RS 4
.\}
.nf
ALTER ROLE worker_bee SET maintenance_work_mem = 100000;
.fi
.if n \{\
.RE
.\}
.PP
Give a role a non\-default, database\-specific setting of the
client_min_messages
parameter:
.sp
.if n \{\
.RS 4
.\}
.nf
ALTER ROLE fred IN DATABASE devel SET client_min_messages = DEBUG;
.fi
.if n \{\
.RE
.\}
.SH "COMPATIBILITY"
.PP
The
\fBALTER ROLE\fR
statement is a
PostgreSQL
extension\&.
.SH "SEE ALSO"
CREATE ROLE (\fBCREATE_ROLE\fR(7)), DROP ROLE (\fBDROP_ROLE\fR(7)), \fBSET\fR(7)

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