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Remove planner's private fields from Query struct, and put them into

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a new PlannerInfo struct, which is passed around instead of the bare
Query in all the planning code.  This commit is essentially just a
code-beautification exercise, but it does open the door to making
larger changes to the planner data structures without having to muck
with the widely-known Query struct.
This commit is contained in:
Tom Lane
2005-06-05 22:32:58 +00:00
parent 22dbd54047
commit 9ab4d98168
51 changed files with 852 additions and 707 deletions
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8
doc/src/sgml/indexam.sgml
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@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/indexam.sgml,v 2.4 2005/04/20 22:19:58 tgl Exp $
$PostgreSQL: pgsql/doc/src/sgml/indexam.sgml,v 2.5 2005/06/05 22:32:53 tgl Exp $
-->
<chapter id="indexam">
@ -319,7 +319,7 @@ amrestrpos (IndexScanDesc scan);
<para>
<programlisting>
void
amcostestimate (Query *root,
amcostestimate (PlannerInfo *root,
IndexOptInfo *index,
List *indexQuals,
Cost *indexStartupCost,
@ -656,7 +656,7 @@ amcostestimate (Query *root,
<programlisting>
void
amcostestimate (Query *root,
amcostestimate (PlannerInfo *root,
IndexOptInfo *index,
List *indexQuals,
Cost *indexStartupCost,
@ -672,7 +672,7 @@ amcostestimate (Query *root,
<term>root</term>
<listitem>
<para>
The query being processed.
The planner's information about the query being processed.
</para>
</listitem>
</varlistentry>