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OR clause index fix

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This commit is contained in:
Bruce Momjian
1998-08-31 07:19:56 +00:00
parent cbf83190c5
commit 0705b02f18
3 changed files with 13 additions and 15 deletions
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15
src/backend/optimizer/path/orindxpath.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/optimizer/path/orindxpath.c,v 1.8 1998/08/01 22:12:13 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/optimizer/path/orindxpath.c,v 1.9 1998/08/31 07:19:55 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -84,6 +84,7 @@ create_or_index_paths(Query *root,
break;
}
}
/* do they all have indexes? */
if (index_flag)
{ /* used to be a lisp every function */
IndexPath *pathnode = makeNode(IndexPath);
@ -215,6 +216,11 @@ best_or_subclause_index(Query *root,
{
List *ilist;
bool first_run = true;
/* if we don't match anything, return zeros */
*retIndexid = 0;
*retCost = 0.0;
*retSelec = 0.0;
foreach (ilist, indices)
{
@ -268,12 +274,5 @@ best_or_subclause_index(Query *root,
}
}
/* we didn't get any indexes, so zero return values */
if (first_run)
{
*retIndexid = 0;
*retCost = 0.0;
*retSelec = 0.0;
}
return;
}