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More optimizer speedups.

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This commit is contained in:
Bruce Momjian
1999-02-11 14:59:09 +00:00
parent 129543e22d
commit d244df95db
17 changed files with 192 additions and 131 deletions
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22
src/backend/nodes/equalfuncs.c
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@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/equalfuncs.c,v 1.29 1999/02/10 21:02:33 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/equalfuncs.c,v 1.30 1999/02/11 14:58:48 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -337,33 +337,33 @@ _equalPath(Path *a, Path *b)
/*
* if (a->path_cost != b->path_cost) return(false);
*/
if (a->path_order->ordtype == SORTOP_ORDER)
if (a->pathorder->ordtype == SORTOP_ORDER)
{
int i = 0;
if (a->path_order->ord.sortop == NULL ||
b->path_order->ord.sortop == NULL)
if (a->pathorder->ord.sortop == NULL ||
b->pathorder->ord.sortop == NULL)
{
if (a->path_order->ord.sortop != b->path_order->ord.sortop)
if (a->pathorder->ord.sortop != b->pathorder->ord.sortop)
return false;
}
else
{
while (a->path_order->ord.sortop[i] != 0 &&
b->path_order->ord.sortop[i] != 0)
while (a->pathorder->ord.sortop[i] != 0 &&
b->pathorder->ord.sortop[i] != 0)
{
if (a->path_order->ord.sortop[i] != b->path_order->ord.sortop[i])
if (a->pathorder->ord.sortop[i] != b->pathorder->ord.sortop[i])
return false;
i++;
}
if (a->path_order->ord.sortop[i] != 0 ||
b->path_order->ord.sortop[i] != 0)
if (a->pathorder->ord.sortop[i] != 0 ||
b->pathorder->ord.sortop[i] != 0)
return false;
}
}
else
{
if (!equal(a->path_order->ord.merge, b->path_order->ord.merge))
if (!equal(a->pathorder->ord.merge, b->pathorder->ord.merge))
return false;
}
if (!equal(a->pathkeys, b->pathkeys))