<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<HTML
><HEAD
><TITLE
>ALTER VIEW</TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK
REV="MADE"
HREF="mailto:pgsql-docs@postgresql.org"><LINK
REL="HOME"
TITLE="PostgreSQL 8.4.12 Documentation"
HREF="index.html"><LINK
REL="UP"
TITLE="SQL Commands"
HREF="sql-commands.html"><LINK
REL="PREVIOUS"
TITLE="ALTER USER MAPPING"
HREF="sql-alterusermapping.html"><LINK
REL="NEXT"
TITLE="ANALYZE"
HREF="sql-analyze.html"><LINK
REL="STYLESHEET"
TYPE="text/css"
HREF="stylesheet.css"><META
HTTP-EQUIV="Content-Type"
CONTENT="text/html; charset=ISO-8859-1"><META
NAME="creation"
CONTENT="2012-05-31T23:30:11"></HEAD
><BODY
CLASS="REFENTRY"
><DIV
CLASS="NAVHEADER"
><TABLE
SUMMARY="Header navigation table"
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TH
COLSPAN="5"
ALIGN="center"
VALIGN="bottom"
>PostgreSQL 8.4.12 Documentation</TH
></TR
><TR
><TD
WIDTH="10%"
ALIGN="left"
VALIGN="top"
><A
HREF="sql-alterusermapping.html"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="10%"
ALIGN="left"
VALIGN="top"
><A
HREF="sql-alterusermapping.html"
>Fast Backward</A
></TD
><TD
WIDTH="60%"
ALIGN="center"
VALIGN="bottom"
></TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="top"
><A
HREF="sql-analyze.html"
>Fast Forward</A
></TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="top"
><A
HREF="sql-analyze.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><H1
><A
NAME="SQL-ALTERVIEW"
></A
>ALTER VIEW</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN54897"
></A
><H2
>Name</H2
>ALTER VIEW -- change the definition of a view</DIV
><A
NAME="AEN54900"
></A
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN54902"
></A
><H2
>Synopsis</H2
><PRE
CLASS="SYNOPSIS"
>ALTER VIEW <TT
CLASS="REPLACEABLE"
><I
>name</I
></TT
> ALTER [ COLUMN ] <TT
CLASS="REPLACEABLE"
><I
>column</I
></TT
> SET DEFAULT <TT
CLASS="REPLACEABLE"
><I
>expression</I
></TT
>
ALTER VIEW <TT
CLASS="REPLACEABLE"
><I
>name</I
></TT
> ALTER [ COLUMN ] <TT
CLASS="REPLACEABLE"
><I
>column</I
></TT
> DROP DEFAULT
ALTER VIEW <TT
CLASS="REPLACEABLE"
><I
>name</I
></TT
> OWNER TO <TT
CLASS="REPLACEABLE"
><I
>new_owner</I
></TT
>
ALTER VIEW <TT
CLASS="REPLACEABLE"
><I
>name</I
></TT
> RENAME TO <TT
CLASS="REPLACEABLE"
><I
>new_name</I
></TT
>
ALTER VIEW <TT
CLASS="REPLACEABLE"
><I
>name</I
></TT
> SET SCHEMA <TT
CLASS="REPLACEABLE"
><I
>new_schema</I
></TT
></PRE
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN54915"
></A
><H2
>Description</H2
><P
> <TT
CLASS="COMMAND"
>ALTER VIEW</TT
> changes various auxiliary properties
of a view. (If you want to modify the view's defining query,
use <TT
CLASS="COMMAND"
>CREATE OR REPLACE VIEW</TT
>.)
</P
><P
> You must own the view to use <TT
CLASS="COMMAND"
>ALTER VIEW</TT
>.
To change a view's schema, you must also have <TT
CLASS="LITERAL"
>CREATE</TT
>
privilege on the new schema.
To alter the owner, you must also be a direct or indirect member of the new
owning role, and that role must have <TT
CLASS="LITERAL"
>CREATE</TT
> privilege on
the view's schema. (These restrictions enforce that altering the owner
doesn't do anything you couldn't do by dropping and recreating the view.
However, a superuser can alter ownership of any view anyway.)
</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN54924"
></A
><H2
>Parameters</H2
><P
></P
><DIV
CLASS="VARIABLELIST"
><DL
><DT
><TT
CLASS="REPLACEABLE"
><I
>name</I
></TT
></DT
><DD
><P
> The name (optionally schema-qualified) of an existing view.
</P
></DD
><DT
><TT
CLASS="LITERAL"
>SET</TT
>/<TT
CLASS="LITERAL"
>DROP DEFAULT</TT
></DT
><DD
><P
> These forms set or remove the default value for a column.
A default value associated with a view column is
inserted into <TT
CLASS="COMMAND"
>INSERT</TT
> statements on the view before
the view's <TT
CLASS="LITERAL"
>ON INSERT</TT
> rule is applied, if
the <TT
CLASS="COMMAND"
>INSERT</TT
> does not specify a value for the column.
</P
></DD
><DT
><TT
CLASS="REPLACEABLE"
><I
>new_owner</I
></TT
></DT
><DD
><P
> The user name of the new owner of the view.
</P
></DD
><DT
><TT
CLASS="REPLACEABLE"
><I
>new_name</I
></TT
></DT
><DD
><P
> The new name for the view.
</P
></DD
><DT
><TT
CLASS="REPLACEABLE"
><I
>new_schema</I
></TT
></DT
><DD
><P
> The new schema for the view.
</P
></DD
></DL
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN54956"
></A
><H2
>Notes</H2
><P
> For historical reasons, <TT
CLASS="COMMAND"
>ALTER TABLE</TT
> can be used with
views too; but the only variants of <TT
CLASS="COMMAND"
>ALTER TABLE</TT
>
that are allowed with views are equivalent to the ones shown above.
</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN54961"
></A
><H2
>Examples</H2
><P
> To rename the view <TT
CLASS="LITERAL"
>foo</TT
> to
<TT
CLASS="LITERAL"
>bar</TT
>:
</P><PRE
CLASS="PROGRAMLISTING"
>ALTER VIEW foo RENAME TO bar;</PRE
><P>
</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN54967"
></A
><H2
>Compatibility</H2
><P
> <TT
CLASS="COMMAND"
>ALTER VIEW</TT
> is a <SPAN
CLASS="PRODUCTNAME"
>PostgreSQL</SPAN
>
extension of the SQL standard.
</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN54972"
></A
><H2
>See Also</H2
><A
HREF="sql-createview.html"
><I
>CREATE VIEW</I
></A
>, <A
HREF="sql-dropview.html"
><I
>DROP VIEW</I
></A
></DIV
><DIV
CLASS="NAVFOOTER"
><HR
ALIGN="LEFT"
WIDTH="100%"><TABLE
SUMMARY="Footer navigation table"
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
><A
HREF="sql-alterusermapping.html"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="index.html"
ACCESSKEY="H"
>Home</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
><A
HREF="sql-analyze.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>ALTER USER MAPPING</TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="sql-commands.html"
ACCESSKEY="U"
>Up</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
>ANALYZE</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>
distrib
>
Mandriva
>
current
>
i586
>
media
>
main-updates
>
by-pkgid
>
fc62ce67f262cdcd253dc7f849ce3223
>
files
>
793
