Changeset: e58832dd34b4 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/e58832dd34b4
Modified Files:
sql/server/rel_exp.c
Branch: Mar2025
Log Message:
don't search identity expression within munion
(grafted from c6851ccead0a4295d2fe8f870e064229d7c5a9d9)
diffs (12 lines):
diff --git a/sql/server/rel_exp.c b/sql/server/rel_exp.c
--- a/sql/server/rel_exp.c
+++ b/sql/server/rel_exp.c
@@ -3102,7 +3102,7 @@ is_identity( sql_exp *e, sql_rel *r)
{
switch(e->type) {
case e_column:
- if (r && is_project(r->op) && !is_set(r->op)) {
+ if (r && is_project(r->op) && !is_set(r->op) &&
!is_munion(r->op)) {
sql_exp *re = NULL;
assert(e->nid);
re = exps_bind_nid(r->exps, e->nid);
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