rdelaage
/
postgresql
mirror of https://git.postgresql.org/git/postgresql.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Document that ALTER TABLE .. TYPE removes statistics 

Co-authored-by: Nikolai Berkoff <nikolai.berkoff@pm.me>
Discussion: https://postgr.es/m/vCc8XnwDmlP4ZnHBQLIVxzD405BiYHVC9qZlhIF7IsfxK0gC9mZ4PUUOH0-3y6kv5p-87-3_ljqT1KvQVAnb8OoWhPU3kcqWn2ZpmxRBCQg=@pm.me
This commit is contained in:
Alvaro Herrera 2021-11-05 12:09:31 -03:00
parent 105c1de019
commit df80f9da5c
No known key found for this signature in database
GPG Key ID: 1C20ACB9D5C564AE
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/alter_table.sgml
View File

@ -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>