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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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7
src/include/optimizer/geqo.h
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@@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/optimizer/geqo.h,v 1.38 2004/12/31 22:03:36 pgsql Exp $
* $PostgreSQL: pgsql/src/include/optimizer/geqo.h,v 1.39 2005/06/05 22:32:58 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -72,13 +72,14 @@ extern double Geqo_selection_bias;
*/
typedef struct
{
Query *root; /* the query we are planning */
PlannerInfo *root; /* the query we are planning */
List *initial_rels; /* the base relations */
} GeqoEvalData;
/* routines in geqo_main.c */
extern RelOptInfo *geqo(Query *root, int number_of_rels, List *initial_rels);
extern RelOptInfo *geqo(PlannerInfo *root,
int number_of_rels, List *initial_rels);
/* routines in geqo_eval.c */
extern Cost geqo_eval(Gene *tour, int num_gene, GeqoEvalData *evaldata);