MonetDB: Oct2020 - A projection may not have a left relation

[Pedro Ferreira]

Changeset: ce4f814b4550 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=ce4f814b4550
Modified Files:
        sql/server/rel_rel.c
Branch: Oct2020
Log Message:

A projection may not have a left relation


diffs (13 lines):

diff --git a/sql/server/rel_rel.c b/sql/server/rel_rel.c
--- a/sql/server/rel_rel.c
+++ b/sql/server/rel_rel.c
@@ -159,7 +159,8 @@ rel_copy(mvc *sql, sql_rel *i, int deep)
                break;
        case op_project:
        case op_groupby:
-               rel->l = rel_copy(sql, i->l, deep);
+               if (i->l)
+                       rel->l = rel_copy(sql, i->l, deep);
                if (i->r) {
                        if (!deep) {
                                rel->r = list_dup(i->r, (fdup) NULL);
_______________________________________________
checkin-list mailing list
checkin-list@monetdb.org
https://www.monetdb.org/mailman/listinfo/checkin-list