'\" t
.\"     Title: ALTER SERVER
.\"    Author: The PostgreSQL Global Development Group
.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/>
.\"      Date: 2021
.\"    Manual: PostgreSQL 13.4 Documentation
.\"    Source: PostgreSQL 13.4
.\"  Language: English
.\"
.TH "ALTER SERVER" "7" "2021" "PostgreSQL 13.4" "PostgreSQL 13.4 Documentation"
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.SH "NAME"
ALTER_SERVER \- change the definition of a foreign server
.SH "SYNOPSIS"
.sp
.nf
ALTER SERVER \fIname\fR [ VERSION \*(Aq\fInew_version\fR\*(Aq ]
    [ OPTIONS ( [ ADD | SET | DROP ] \fIoption\fR [\*(Aq\fIvalue\fR\*(Aq] [, \&.\&.\&. ] ) ]
ALTER SERVER \fIname\fR OWNER TO { \fInew_owner\fR | CURRENT_USER | SESSION_USER }
ALTER SERVER \fIname\fR RENAME TO \fInew_name\fR
.fi
.SH "DESCRIPTION"
.PP
\fBALTER SERVER\fR
changes the definition of a foreign server\&. The first form changes the server version string or the generic options of the server (at least one clause is required)\&. The second form changes the owner of the server\&.
.PP
To alter the server you must be the owner of the server\&. Additionally to alter the owner, you must own the server and also be a direct or indirect member of the new owning role, and you must have
USAGE
privilege on the server\*(Aqs foreign\-data wrapper\&. (Note that superusers satisfy all these criteria automatically\&.)
.SH "PARAMETERS"
.PP
\fIname\fR
.RS 4
The name of an existing server\&.
.RE
.PP
\fInew_version\fR
.RS 4
New server version\&.
.RE
.PP
OPTIONS ( [ ADD | SET | DROP ] \fIoption\fR [\*(Aq\fIvalue\fR\*(Aq] [, \&.\&.\&. ] )
.RS 4
Change options for the server\&.
ADD,
SET, and
DROP
specify the action to be performed\&.
ADD
is assumed if no operation is explicitly specified\&. Option names must be unique; names and values are also validated using the server\*(Aqs foreign\-data wrapper library\&.
.RE
.PP
\fInew_owner\fR
.RS 4
The user name of the new owner of the foreign server\&.
.RE
.PP
\fInew_name\fR
.RS 4
The new name for the foreign server\&.
.RE
.SH "EXAMPLES"
.PP
Alter server
foo, add connection options:
.sp
.if n \{\
.RS 4
.\}
.nf
ALTER SERVER foo OPTIONS (host \*(Aqfoo\*(Aq, dbname \*(Aqfoodb\*(Aq);
.fi
.if n \{\
.RE
.\}
.PP
Alter server
foo, change version, change
host
option:
.sp
.if n \{\
.RS 4
.\}
.nf
ALTER SERVER foo VERSION \*(Aq8\&.4\*(Aq OPTIONS (SET host \*(Aqbaz\*(Aq);
.fi
.if n \{\
.RE
.\}
.SH "COMPATIBILITY"
.PP
\fBALTER SERVER\fR
conforms to ISO/IEC 9075\-9 (SQL/MED)\&. The
OWNER TO
and
RENAME
forms are PostgreSQL extensions\&.
.SH "SEE ALSO"
CREATE SERVER (\fBCREATE_SERVER\fR(7)), DROP SERVER (\fBDROP_SERVER\fR(7))