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First cut at planner support for bitmap index scans. Lots to do yet,

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but the code is basically working.  Along the way, rewrite the entire
approach to processing OR index conditions, and make it work in join
cases for the first time ever.  orindxpath.c is now basically obsolete,
but I left it in for the time being to allow easy comparison testing
against the old implementation.
This commit is contained in:
Tom Lane
2005-04-22 21:58:32 +00:00
parent ccbb07d922
commit bc843d3960
22 changed files with 1044 additions and 615 deletions
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5
src/backend/executor/nodeBitmapIndexscan.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/executor/nodeBitmapIndexscan.c,v 1.2 2005/04/20 15:48:36 tgl Exp $
* $PostgreSQL: pgsql/src/backend/executor/nodeBitmapIndexscan.c,v 1.3 2005/04/22 21:58:31 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -492,7 +492,8 @@ ExecInitBitmapIndexScan(BitmapIndexScan *node, EState *estate)
indexstate->biss_RuntimeKeyInfo = NULL;
indexstate->biss_RuntimeContext = NULL;
/* Get rid of the speculatively-allocated flag array, too */
pfree(runtimeKeyInfo);
if (runtimeKeyInfo)
pfree(runtimeKeyInfo);
}
/*