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| -rw-r--r-- | doc/src/sgml/ref/select.sgml | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/doc/src/sgml/ref/select.sgml b/doc/src/sgml/ref/select.sgml index 0ee0cc7e641..42d78913cf9 100644 --- a/doc/src/sgml/ref/select.sgml +++ b/doc/src/sgml/ref/select.sgml @@ -131,6 +131,9 @@ TABLE [ ONLY ] <replaceable class="parameter">table_name</replaceable> [ * ] eliminates groups that do not satisfy the given condition. (See <xref linkend="sql-groupby"/> and <xref linkend="sql-having"/> 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> |