Changeset: a95602ba94dc for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=a95602ba94dc
Modified Files:
sql/src/server/rel_optimizer.mx
Branch: Oct2010
Log Message:
In rel_push_join_down we now correctly check if the expression can
be pushed down. This solves the crash of bug 2694
diffs (19 lines):
diff -r 55e675435877 -r a95602ba94dc sql/src/server/rel_optimizer.mx
--- a/sql/src/server/rel_optimizer.mx Thu Nov 04 16:53:31 2010 +0100
+++ b/sql/src/server/rel_optimizer.mx Thu Nov 04 21:49:49 2010 +0100
@@ -2407,9 +2407,12 @@
}
if (fnd) {
sql_exp *re =
exp_push_down(sql, r, gb, gb->l);
- assert(re);
- je =
exp_compare(exp_dup(je->l), re, je->flag);
- list_append(jes, je);
+ if (!re) {
+ fnd = 0;
+ } else {
+ je =
exp_compare(exp_dup(je->l), re, je->flag);
+
list_append(jes, je);
+ }
}
}
}
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