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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 1eb8cc04281..474ee23bf25 100644 --- a/doc/src/sgml/ref/select.sgml +++ b/doc/src/sgml/ref/select.sgml @@ -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> |