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Replace planner's representation of relation sets, per pghackers discussion.

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Instead of Lists of integers, we now store variable-length bitmap sets.
This should be faster as well as less error-prone.
This commit is contained in:
Tom Lane
2003-02-08 20:20:55 +00:00
parent 893678eda7
commit c15a4c2aef
35 changed files with 1453 additions and 626 deletions
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6
src/backend/utils/adt/selfuncs.c
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@ -15,7 +15,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/selfuncs.c,v 1.131 2003/01/28 22:13:35 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/selfuncs.c,v 1.132 2003/02/08 20:20:55 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -3822,7 +3822,7 @@ genericcostestimate(Query *root, RelOptInfo *rel,
/* Estimate the fraction of main-table tuples that will be visited */
*indexSelectivity = clauselist_selectivity(root, selectivityQuals,
lfirsti(rel->relids),
rel->relid,
JOIN_INNER);
/*
@ -3909,7 +3909,7 @@ btcostestimate(PG_FUNCTION_ARGS)
Oid relid;
HeapTuple tuple;
relid = getrelid(lfirsti(rel->relids), root->rtable);
relid = getrelid(rel->relid, root->rtable);
Assert(relid != InvalidOid);
tuple = SearchSysCache(STATRELATT,
ObjectIdGetDatum(relid),