Changeset: b9bdfff89b47 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/b9bdfff89b47
Modified Files:
        sql/server/rel_unnest.c
Branch: Jun2023
Log Message:

Propagate the type to `r` expression list in group by, if it exists. 
(GH7390/07.sql)


diffs (19 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
@@ -2342,7 +2342,14 @@ rel_set_type(visitor *v, sql_rel *rel)
                                        if (te->type == e_convert) {
                                                sql_exp *l = te->l;
                                                if (l->type == e_column) {
-                                                       sql_exp *e = 
rel_find_exp(rel->l, l);
+                                                       sql_rel *sl = rel->l;
+                                                       sql_exp *e = 
rel_find_exp(sl, l);
+                                                       if (is_groupby(sl->op) 
&& exp_equal(e, l) == 0) {
+                                                               sql_exp *e2 = 
list_find_exp(sl->r, l);
+                                                               if (e2) {
+                                                                       e = e2;
+                                                               }
+                                                       }
                                                        sql_subtype *t = 
exp_subtype(e);
 
                                                        if (t && 
!t->type->localtype) {
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