Changeset: cce159a45de2 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=cce159a45de2
Modified Files:
sql/server/rel_unnest.c
Branch: subquery
Log Message:
merged
diffs (22 lines):
diff --git a/sql/server/rel_unnest.c b/sql/server/rel_unnest.c
--- a/sql/server/rel_unnest.c
+++ b/sql/server/rel_unnest.c
@@ -495,7 +495,8 @@ push_up_groupby(mvc *sql, sql_rel *rel)
col = exp_ref(sql->sa, col);
col = exp_unop(sql->sa, col,
sql_bind_func(sql->sa, NULL, "identity", exp_subtype(col), NULL, F_FUNC));
col = exp_label(sql->sa, col,
++sql->label);
- append(r->exps, col);
+ if (!exps_find_exp(r->exps,
col))
+ append(r->exps, col);
}
exp_ref(sql->sa, col);
append(e->l=sa_list(sql->sa), col);
@@ -508,7 +509,7 @@ push_up_groupby(mvc *sql, sql_rel *rel)
if (!r->r)
r->r = exps_copy(sql->sa, a);
else
- r->r = list_merge(r->r, exps_copy(sql->sa, a),
(fdup)NULL);
+ r->r = list_distinct(list_merge(r->r,
exps_copy(sql->sa, a), (fdup)NULL), (fcmp)exp_equal, (fdup)NULL);
rel->r = r->l;
r->l = rel;
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