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| -rw-r--r-- | doc/src/sgml/ref/alter_table.sgml | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/doc/src/sgml/ref/alter_table.sgml b/doc/src/sgml/ref/alter_table.sgml index 81291577f83..2d639a66af0 100644 --- a/doc/src/sgml/ref/alter_table.sgml +++ b/doc/src/sgml/ref/alter_table.sgml @@ -198,6 +198,12 @@ WITH ( MODULUS <replaceable class="parameter">numeric_literal</replaceable>, REM clause must be provided if there is no implicit or assignment cast from old to new type. </para> + + <para> + When this form is used, the column's statistics are removed, + so running <link linkend="sql-analyze"><command>ANALYZE</command></link> + on the table afterwards is recommended. + </para> </listitem> </varlistentry> |