Changeset: 362e51f80833 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/362e51f80833
Modified Files:
sql/server/rel_optimize_others.c
Branch: nestedtypes
Log Message:
fix dce optimizer
diffs (16 lines):
diff --git a/sql/server/rel_optimize_others.c b/sql/server/rel_optimize_others.c
--- a/sql/server/rel_optimize_others.c
+++ b/sql/server/rel_optimize_others.c
@@ -269,8 +269,10 @@ exps_mark_all_used(list *exps, int nid,
if (e->alias.label == nid) {
if (local_proj <= -1 || i < local_proj) {
- e->used = 1;
- return 1;
+ if (e->nid != e->alias.label) {
+ e->used = 1;
+ return 1;
+ }
}
}
if (e->f && e->type == e_column && (local_proj <= -1 ||
i < local_proj)) {
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