Changeset: f941da473dc4 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/f941da473dc4
Modified Files:
sql/server/rel_unnest.c
Branch: unnest2
Log Message:
add comment why we need to find the proper parent sometimes
diffs (11 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
@@ -4119,6 +4119,7 @@ rel_unnest(mvc *sql, sql_rel *rel)
sql_rel *p = n->next->data;
if (!rel_is_ref(r) && p->l != r && p->r != r &&
(!is_munion(p->op) || !list_find(p->l, r, NULL))) {
+ /* lower dependend join moved down, ie p isn't direct
parent anymore */
if (!p->l && op)
p = op;
sql_rel *l = p->l;
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