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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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10
src/backend/optimizer/util/plancat.c
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@@ -9,7 +9,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/optimizer/util/plancat.c,v 1.110 2005/06/04 19:19:42 tgl Exp $
* $PostgreSQL: pgsql/src/backend/optimizer/util/plancat.c,v 1.111 2005/06/05 22:32:56 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -379,11 +379,11 @@ estimate_rel_size(Relation rel, int32 *attr_widths,
* nodes.
*/
List *
build_physical_tlist(Query *root, RelOptInfo *rel)
build_physical_tlist(PlannerInfo *root, RelOptInfo *rel)
{
List *tlist = NIL;
Index varno = rel->relid;
RangeTblEntry *rte = rt_fetch(varno, root->rtable);
RangeTblEntry *rte = rt_fetch(varno, root->parse->rtable);
Relation relation;
Query *subquery;
Var *var;
@@ -494,7 +494,7 @@ build_physical_tlist(Query *root, RelOptInfo *rel)
* See clause_selectivity() for the meaning of the additional parameters.
*/
Selectivity
restriction_selectivity(Query *root,
restriction_selectivity(PlannerInfo *root,
Oid operator,
List *args,
int varRelid)
@@ -529,7 +529,7 @@ restriction_selectivity(Query *root,
* operator relation, by calling the function manager.
*/
Selectivity
join_selectivity(Query *root,
join_selectivity(PlannerInfo *root,
Oid operator,
List *args,
JoinType jointype)