database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-08-08 06:02:22 +03:00
Code Activity

Add pgstatginindex() function to get the size of the GIN pending list.

Browse Source 
Fujii Masao, reviewed by Kyotaro Horiguchi.
This commit is contained in:
Heikki Linnakangas
2012-12-05 09:58:03 +02:00
parent cdf498c5d7
commit 357cbaaeae
8 changed files with 187 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

57
doc/src/sgml/pgstattuple.sgml
View File

@@ -244,6 +244,63 @@ leaf_fragmentation | 0
</listitem>
</varlistentry>
<varlistentry>
<term>
<function>pgstatginindex(regclass) returns record</>
</term>
<listitem>
<para>
<function>pgstatginindex</function> returns a record showing information
about a GIN index. For example:
<programlisting>
test=> SELECT * FROM pgstatginindex('test_gin_index');
-[ RECORD 1 ]--+--
version | 1
pending_pages | 0
pending_tuples | 0
</programlisting>
</para>
<para>
The output columns are:
<informaltable>
<tgroup cols="3">
<thead>
<row>
<entry>Column</entry>
<entry>Type</entry>
<entry>Description</entry>
</row>
</thead>
<tbody>
<row>
<entry><structfield>version</structfield></entry>
<entry><type>integer</type></entry>
<entry>GIN version number</entry>
</row>
<row>
<entry><structfield>pending_pages</structfield></entry>
<entry><type>integer</type></entry>
<entry>Number of pages in the pending list</entry>
</row>
<row>
<entry><structfield>pending_tuples</structfield></entry>
<entry><type>bigint</type></entry>
<entry>Number of tuples in the pending list</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<function>pg_relpages(text) returns bigint</>