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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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3
doc/src/sgml/advanced.sgml
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@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/advanced.sgml,v 1.60 2010/04/03 07:22:52 petere Exp $ --> <!-- $PostgreSQL: pgsql/doc/src/sgml/advanced.sgml,v 1.61 2010/07/03 02:57:46 rhaas Exp $ -->
<chapter id="tutorial-advanced"> <chapter id="tutorial-advanced">
<title>Advanced Features</title> <title>Advanced Features</title>
@ -554,6 +554,7 @@ SELECT sum(salary) OVER w, avg(salary) OVER w
<para> <para>
More details about window functions can be found in More details about window functions can be found in
<xref linkend="syntax-window-functions">, <xref linkend="syntax-window-functions">,
<xref linkend="functions-window">,
<xref linkend="queries-window">, and the <xref linkend="queries-window">, and the
<xref linkend="sql-select"> reference page. <xref linkend="sql-select"> reference page.
</para> </para>

5
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"> <chapter id="queries">
<title>Queries</title> <title>Queries</title>
@ -979,7 +979,8 @@ SELECT product_id, p.name, (sum(s.units) * (p.price - p.cost)) AS profit
<para> <para>
If the query contains any window functions (see 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 <xref linkend="syntax-window-functions">), these functions are evaluated
after any grouping, aggregation, and <literal>HAVING</> filtering is after any grouping, aggregation, and <literal>HAVING</> filtering is
performed. That is, if the query uses any aggregates, <literal>GROUP performed. That is, if the query uses any aggregates, <literal>GROUP

5
doc/src/sgml/syntax.sgml
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@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/syntax.sgml,v 1.146 2010/06/09 16:43:47 alvherre Exp $ --> <!-- $PostgreSQL: pgsql/doc/src/sgml/syntax.sgml,v 1.147 2010/07/03 02:57:46 rhaas Exp $ -->
<chapter id="sql-syntax"> <chapter id="sql-syntax">
<title>SQL Syntax</title> <title>SQL Syntax</title>
@ -1761,7 +1761,8 @@ UNBOUNDED FOLLOWING
<para> <para>
More information about window functions can be found in More information about window functions can be found in
<xref linkend="tutorial-window"> and <xref linkend="tutorial-window">,
<xref linkend="functions-window">,
<xref linkend="queries-window">. <xref linkend="queries-window">.
</para> </para>
</sect2> </sect2>