upstream/postgresql
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2026-02-11 23:03:25 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

Document that analyzing an empty table doesn't update the statistics.

Browse source 
Per a suggestion from Sergey Konoplev
This commit is contained in:
Robert Haas 2012-01-27 12:13:49 -05:00
parent cf3fff6326
commit db6de5b71e
1 changed files with 6 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
doc/src/sgml/ref/analyze.sgml
View file

@ -190,6 +190,12 @@ ANALYZE [ VERBOSE ] [ <replaceable class="PARAMETER">table</replaceable> [ ( <re
or updated, the inheritance statistics will not be up to date unless you
run <command>ANALYZE</command> manually.
</para>
<para>
If the table being analyzed is completely empty, <command>ANALYZE</command>
will not record new statistics for that table. Any existing statistics
will be retained.
</para>
</refsect1>
<refsect1>