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postgresql9.6-docs-9.6.22-1.mga7.noarch.rpm

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><H1
><A
NAME="SQL-ALTERMATERIALIZEDVIEW"
></A
>ALTER MATERIALIZED VIEW</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN74778"
></A
><H2
>Name</H2
>ALTER MATERIALIZED VIEW&nbsp;--&nbsp;change the definition of a materialized view</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN74781"
></A
><H2
>Synopsis</H2
><PRE
CLASS="SYNOPSIS"
>ALTER MATERIALIZED VIEW [ IF EXISTS ] <TT
CLASS="REPLACEABLE"
><I
>name</I
></TT
>
    <TT
CLASS="REPLACEABLE"
><I
>action</I
></TT
> [, ... ]
ALTER MATERIALIZED VIEW <TT
CLASS="REPLACEABLE"
><I
>name</I
></TT
>
    DEPENDS ON EXTENSION <TT
CLASS="REPLACEABLE"
><I
>extension_name</I
></TT
>
ALTER MATERIALIZED VIEW [ IF EXISTS ] <TT
CLASS="REPLACEABLE"
><I
>name</I
></TT
>
    RENAME [ COLUMN ] <TT
CLASS="REPLACEABLE"
><I
>column_name</I
></TT
> TO <TT
CLASS="REPLACEABLE"
><I
>new_column_name</I
></TT
>
ALTER MATERIALIZED VIEW [ IF EXISTS ] <TT
CLASS="REPLACEABLE"
><I
>name</I
></TT
>
    RENAME TO <TT
CLASS="REPLACEABLE"
><I
>new_name</I
></TT
>
ALTER MATERIALIZED VIEW [ IF EXISTS ] <TT
CLASS="REPLACEABLE"
><I
>name</I
></TT
>
    SET SCHEMA <TT
CLASS="REPLACEABLE"
><I
>new_schema</I
></TT
>
ALTER MATERIALIZED VIEW ALL IN TABLESPACE <TT
CLASS="REPLACEABLE"
><I
>name</I
></TT
> [ OWNED BY <TT
CLASS="REPLACEABLE"
><I
>role_name</I
></TT
> [, ... ] ]
    SET TABLESPACE <TT
CLASS="REPLACEABLE"
><I
>new_tablespace</I
></TT
> [ NOWAIT ]

<SPAN
CLASS="phrase"
><SPAN
CLASS="PHRASE"
>where <TT
CLASS="REPLACEABLE"
><I
>action</I
></TT
> is one of:</SPAN
></SPAN
>

    ALTER [ COLUMN ] <TT
CLASS="REPLACEABLE"
><I
>column_name</I
></TT
> SET STATISTICS <TT
CLASS="REPLACEABLE"
><I
>integer</I
></TT
>
    ALTER [ COLUMN ] <TT
CLASS="REPLACEABLE"
><I
>column_name</I
></TT
> SET ( <TT
CLASS="REPLACEABLE"
><I
>attribute_option</I
></TT
> = <TT
CLASS="REPLACEABLE"
><I
>value</I
></TT
> [, ... ] )
    ALTER [ COLUMN ] <TT
CLASS="REPLACEABLE"
><I
>column_name</I
></TT
> RESET ( <TT
CLASS="REPLACEABLE"
><I
>attribute_option</I
></TT
> [, ... ] )
    ALTER [ COLUMN ] <TT
CLASS="REPLACEABLE"
><I
>column_name</I
></TT
> SET STORAGE { PLAIN | EXTERNAL | EXTENDED | MAIN }
    CLUSTER ON <TT
CLASS="REPLACEABLE"
><I
>index_name</I
></TT
>
    SET WITHOUT CLUSTER
    SET ( <TT
CLASS="REPLACEABLE"
><I
>storage_parameter</I
></TT
> [= <TT
CLASS="REPLACEABLE"
><I
>value</I
></TT
>] [, ... ] )
    RESET ( <TT
CLASS="REPLACEABLE"
><I
>storage_parameter</I
></TT
> [, ... ] )
    OWNER TO { <TT
CLASS="REPLACEABLE"
><I
>new_owner</I
></TT
> | CURRENT_USER | SESSION_USER }</PRE
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN74812"
></A
><H2
>Description</H2
><P
>   <TT
CLASS="COMMAND"
>ALTER MATERIALIZED VIEW</TT
> changes various auxiliary
   properties of an existing materialized view.
  </P
><P
>   You must own the materialized view to use <TT
CLASS="COMMAND"
>ALTER MATERIALIZED
   VIEW</TT
>.  To change a materialized 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 materialized view's schema.  (These restrictions enforce that altering
   the owner doesn't do anything you couldn't do by dropping and recreating the
   materialized view.  However, a superuser can alter ownership of any view
   anyway.)
  </P
><P
>   The <TT
CLASS="LITERAL"
>DEPENDS ON EXTENSION</TT
> form marks the materialized view
   as dependent on an extension, such that the materialized view will
   automatically be dropped if the extension is dropped.
  </P
><P
>   The statement subforms and actions available for
   <TT
CLASS="COMMAND"
>ALTER MATERIALIZED VIEW</TT
> are a subset of those available
   for <TT
CLASS="COMMAND"
>ALTER TABLE</TT
>, and have the same meaning when used for
   materialized views.  See the descriptions for <A
HREF="sql-altertable.html"
>ALTER TABLE</A
>
   for details.
  </P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN74826"
></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 materialized view.
      </P
></DD
><DT
><TT
CLASS="REPLACEABLE"
><I
>column_name</I
></TT
></DT
><DD
><P
>       Name of a new or existing column.
      </P
></DD
><DT
><TT
CLASS="REPLACEABLE"
><I
>extension_name</I
></TT
></DT
><DD
><P
>       The name of the extension that the materialized view is to depend on.
      </P
></DD
><DT
><TT
CLASS="REPLACEABLE"
><I
>new_column_name</I
></TT
></DT
><DD
><P
>       New name for an existing column.
      </P
></DD
><DT
><TT
CLASS="REPLACEABLE"
><I
>new_owner</I
></TT
></DT
><DD
><P
>      The user name of the new owner of the materialized view.
     </P
></DD
><DT
><TT
CLASS="REPLACEABLE"
><I
>new_name</I
></TT
></DT
><DD
><P
>      The new name for the materialized view.
     </P
></DD
><DT
><TT
CLASS="REPLACEABLE"
><I
>new_schema</I
></TT
></DT
><DD
><P
>      The new schema for the materialized view.
     </P
></DD
></DL
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN74864"
></A
><H2
>Examples</H2
><P
>   To rename the materialized view <TT
CLASS="LITERAL"
>foo</TT
> to
   <TT
CLASS="LITERAL"
>bar</TT
>:
</P><PRE
CLASS="PROGRAMLISTING"
>ALTER MATERIALIZED VIEW foo RENAME TO bar;</PRE
><P></P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN74870"
></A
><H2
>Compatibility</H2
><P
>   <TT
CLASS="COMMAND"
>ALTER MATERIALIZED VIEW</TT
> is a
   <SPAN
CLASS="PRODUCTNAME"
>PostgreSQL</SPAN
> extension.
  </P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN74875"
></A
><H2
>See Also</H2
><A
HREF="sql-creatematerializedview.html"
>CREATE MATERIALIZED VIEW</A
>, <A
HREF="sql-dropmaterializedview.html"
>DROP MATERIALIZED VIEW</A
>, <A
HREF="sql-refreshmaterializedview.html"
>REFRESH MATERIALIZED VIEW</A
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