diff options
Diffstat (limited to 'doc/src/sgml/ref/psql-ref.sgml')
-rw-r--r-- | doc/src/sgml/ref/psql-ref.sgml | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/doc/src/sgml/ref/psql-ref.sgml b/doc/src/sgml/ref/psql-ref.sgml index ddb70433625..a3cfd3b5575 100644 --- a/doc/src/sgml/ref/psql-ref.sgml +++ b/doc/src/sgml/ref/psql-ref.sgml @@ -1927,9 +1927,10 @@ testdb=> </para> <para> - The column of the kind of extended stats (e.g. Ndistinct) shows its status. - NULL means that it doesn't exists. "defined" means that it was requested - when creating the statistics. + The status of each kind of extended statistics is shown in a column + named after its statistic kind (e.g. Ndistinct). + "defined" means that it was requested when creating the statistics, + and NULL means it wasn't requested. You can use pg_stats_ext if you'd like to know whether <link linkend="sql-analyze"> <command>ANALYZE</command></link> was run and statistics are available to the planner. |