Update of /cvsroot/monetdb/pathfinder/compiler/algebra/opt
In directory 23jxhf1.ch3.sourceforge.com:/tmp/cvs-serv28614/algebra/opt
Modified Files:
Tag: Aug2009
opt_complex.c
Log Message:
-- Restrict rewrite.
For some plans with aggregates lax checking resulted in incorrect rewrites.
U opt_complex.c
Index: opt_complex.c
===================================================================
RCS file: /cvsroot/monetdb/pathfinder/compiler/algebra/opt/opt_complex.c,v
retrieving revision 1.80
retrieving revision 1.80.2.1
diff -u -d -r1.80 -r1.80.2.1
--- opt_complex.c 12 Jun 2009 13:06:11 -0000 1.80
+++ opt_complex.c 30 Sep 2009 21:40:34 -0000 1.80.2.1
@@ -2092,7 +2092,11 @@
if (p->sem.aggr.aggr[i].col &&
PFprop_fd (L(p)->prop,
p->sem.aggr.part,
- p->sem.aggr.aggr[i].col))
+ p->sem.aggr.aggr[i].col) &&
+ (p->sem.aggr.aggr[i].kind == alg_aggr_min ||
+ p->sem.aggr.aggr[i].kind == alg_aggr_max ||
+ p->sem.aggr.aggr[i].kind == alg_aggr_avg ||
+ p->sem.aggr.aggr[i].kind == alg_aggr_all))
p->sem.aggr.aggr[i].kind = alg_aggr_dist;
/* A further rewrite in opt_general.brg will introduce distinct
operators if no other aggregates exist. */
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