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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
src/backend/optimizer/path/clausesel.c
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@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/optimizer/path/clausesel.c,v 1.72 2004/12/31 22:00:04 pgsql Exp $
* $PostgreSQL: pgsql/src/backend/optimizer/path/clausesel.c,v 1.73 2005/06/05 22:32:55 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -92,7 +92,7 @@ static void addRangeClause(RangeQueryClause **rqlist, Node *clause,
* scalarltsel/scalargtsel; perhaps some day we can generalize the approach.
*/
Selectivity
clauselist_selectivity(Query *root,
clauselist_selectivity(PlannerInfo *root,
List *clauses,
int varRelid,
JoinType jointype)
@@ -406,7 +406,7 @@ bms_is_subset_singleton(const Bitmapset *s, int x)
* if the clause isn't a join clause or the context is uncertain.
*/
Selectivity
clause_selectivity(Query *root,
clause_selectivity(PlannerInfo *root,
Node *clause,
int varRelid,
JoinType jointype)
@@ -476,7 +476,7 @@ clause_selectivity(Query *root,
if (var->varlevelsup == 0 &&
(varRelid == 0 || varRelid == (int) var->varno))
{
RangeTblEntry *rte = rt_fetch(var->varno, root->rtable);
RangeTblEntry *rte = rt_fetch(var->varno, root->parse->rtable);
if (rte->rtekind == RTE_SUBQUERY)
{