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Add docs for pg_matviews, which were missed in the initial MV commit.

This commit is contained in:
Kevin Grittner 2013-03-06 15:35:59 -06:00
parent cfa3df3de1
commit 5141603ebd
1 changed files with 84 additions and 1 deletions
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85
doc/src/sgml/catalogs.sgml
View File

@ -6956,6 +6956,11 @@
<entry>currently held locks</entry>
</row>
<row>
<entry><link linkend="view-pg-matviews"><structname>pg_matviews</structname></link></entry>
<entry>materialized views</entry>
</row>
<row>
<entry><link linkend="view-pg-prepared-statements"><structname>pg_prepared_statements</structname></link></entry>
<entry>prepared statements</entry>
@ -7715,6 +7720,83 @@
</sect1>
<sect1 id="view-pg-matviews">
<title><structname>pg_matviews</structname></title>
<indexterm zone="view-pg-matviews">
<primary>pg_matviews</primary>
</indexterm>
<indexterm zone="view-pg-matviews">
<primary>materialized views</primary>
</indexterm>
<para>
The view <structname>pg_matviews</structname> provides access to
useful information about each materialized view in the database.
</para>
<table>
<title><structname>pg_matviews</> Columns</title>
<tgroup cols="4">
<thead>
<row>
<entry>Name</entry>
<entry>Type</entry>
<entry>References</entry>
<entry>Description</entry>
</row>
</thead>
<tbody>
<row>
<entry><structfield>schemaname</structfield></entry>
<entry><type>name</type></entry>
<entry><literal><link linkend="catalog-pg-namespace"><structname>pg_namespace</structname></link>.nspname</literal></entry>
<entry>Name of schema containing materialized view</entry>
</row>
<row>
<entry><structfield>matviewname</structfield></entry>
<entry><type>name</type></entry>
<entry><literal><link linkend="catalog-pg-class"><structname>pg_class</structname></link>.relname</literal></entry>
<entry>Name of materialized view</entry>
</row>
<row>
<entry><structfield>matviewowner</structfield></entry>
<entry><type>name</type></entry>
<entry><literal><link linkend="catalog-pg-authid"><structname>pg_authid</structname></link>.rolname</literal></entry>
<entry>Name of materialized view's owner</entry>
</row>
<row>
<entry><structfield>tablespace</structfield></entry>
<entry><type>name</type></entry>
<entry><literal><link linkend="catalog-pg-tablespace"><structname>pg_tablespace</structname></link>.spcname</literal></entry>
<entry>Name of tablespace containing materialized view (null if default for database)</entry>
</row>
<row>
<entry><structfield>hasindexes</structfield></entry>
<entry><type>boolean</type></entry>
<entry><literal><link linkend="catalog-pg-class"><structname>pg_class</structname></link>.relhasindex</literal></entry>
<entry>True if materialized view has (or recently had) any indexes</entry>
</row>
<row>
<entry><structfield>isscannable</structfield></entry>
<entry><type>boolean</type></entry>
<entry></entry>
<entry>True if materialized view can currently be scanned</entry>
</row>
<row>
<entry><structfield>definition</structfield></entry>
<entry><type>text</type></entry>
<entry></entry>
<entry>Materialized view definition (a reconstructed <command>SELECT</command> query)</entry>
</row>
</tbody>
</tgroup>
</table>
</sect1>
<sect1 id="view-pg-prepared-statements">
<title><structname>pg_prepared_statements</structname></title>
@ -8092,7 +8174,8 @@
<para>
The <structname>pg_rules</> view excludes the <literal>ON SELECT</> rules
of views; those can be seen in <structname>pg_views</>.
of views and materialized views; those can be seen in
<structname>pg_views</> and <structname>pg_matviews</>.
</para>
</sect1>