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Additional cross-references to window functions documentation.

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Erik Rijkers
This commit is contained in:
Robert Haas
2010-07-03 02:57:46 +00:00
parent 97301ab189
commit 276a8f4e99
3 changed files with 8 additions and 5 deletions
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doc/src/sgml/queries.sgml
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@@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/queries.sgml,v 1.57 2010/04/03 07:22:55 petere Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/queries.sgml,v 1.58 2010/07/03 02:57:46 rhaas Exp $ -->
<chapter id="queries">
<title>Queries</title>
@@ -979,7 +979,8 @@ SELECT product_id, p.name, (sum(s.units) * (p.price - p.cost)) AS profit
<para>
If the query contains any window functions (see
<xref linkend="tutorial-window"> and
<xref linkend="tutorial-window">,
<xref linkend="functions-window"> and
<xref linkend="syntax-window-functions">), these functions are evaluated
after any grouping, aggregation, and <literal>HAVING</> filtering is
performed. That is, if the query uses any aggregates, <literal>GROUP