upstream/postgresql
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2026-03-13 14:14:09 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

doc: mention GROUP BY columns can reference target col numbers

Browse source 
Reported-by: hape <postgres-hape@gmx.de>

Discussion: https://postgr.es/m/168871536004.379168.9352636188330923805@wrigleys.postgresql.org

Backpatch-through: 11
This commit is contained in:
Bruce Momjian 2023-09-26 17:31:06 -04:00
parent 26917ebea7
commit 3d398ae4a5
1 changed files with 3 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
doc/src/sgml/ref/select.sgml
View file

@ -130,6 +130,9 @@ TABLE [ ONLY ] <replaceable class="parameter">table_name</replaceable> [ * ]
eliminates groups that do not satisfy the given condition. (See
<xref linkend="sql-groupby" endterm="sql-groupby-title"/> and
<xref linkend="sql-having" endterm="sql-having-title"/> below.)
Although query output columns are nominally computed in the next
step, they can also be referenced (by name or ordinal number)
in the <literal>GROUP BY</literal> clause.
</para>
</listitem>