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

Per a suggestion from Sergey Konoplev
14 years ago · db6de5b71e
parent cf3fff6326
commit db6de5b71e
1 changed files with 6 additions and 0 deletions
--- a/doc/src/sgml/ref/analyze.sgml
+++ b/doc/src/sgml/ref/analyze.sgml
@ -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>