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Cause EXPLAIN's VERBOSE option to print the target list (output column list)

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of each plan node, instead of its former behavior of dumping the internal
representation of the plan tree.  The latter display is still available for
those who really want it (see debug_print_plan), but uses for it are certainly
few and and far between.  Per discussion.

This patch also removes the explain_pretty_print GUC, which is obsoleted
by the change.
This commit is contained in:
Tom Lane
2008-04-18 01:42:17 +00:00
parent 2f0f7b4bce
commit 87a2f050a9
6 changed files with 10 additions and 62 deletions
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9
doc/src/sgml/ref/explain.sgml
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@@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/ref/explain.sgml,v 1.41 2007/11/28 15:42:31 petere Exp $
$PostgreSQL: pgsql/doc/src/sgml/ref/explain.sgml,v 1.42 2008/04/18 01:42:17 tgl Exp $
PostgreSQL documentation
-->
@@ -106,12 +106,7 @@ ROLLBACK;
<term><literal>VERBOSE</literal></term>
<listitem>
<para>
Show the full internal representation of the plan tree, rather
than just a summary. Usually this option is only useful for
specialized debugging purposes. The
<literal>VERBOSE</literal> output is either pretty-printed or
not, depending on the setting of the <xref
linkend="guc-explain-pretty-print"> configuration parameter.
Include the output column list for each node in the plan tree.
</para>
</listitem>
</varlistentry>