diff options
Diffstat (limited to 'src/backend/optimizer/plan/analyzejoins.c')
| -rw-r--r-- | src/backend/optimizer/plan/analyzejoins.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/backend/optimizer/plan/analyzejoins.c b/src/backend/optimizer/plan/analyzejoins.c index ae20691ca91..6b58567f511 100644 --- a/src/backend/optimizer/plan/analyzejoins.c +++ b/src/backend/optimizer/plan/analyzejoins.c @@ -711,6 +711,13 @@ remove_rel_from_eclass(EquivalenceClass *ec, SpecialJoinInfo *sjinfo, sjinfo->ojrelid, subst); /* + * We don't expect any EC child members to exist at this point. Ensure + * that's the case, otherwise, we might be getting asked to do something + * this function hasn't been coded for. + */ + Assert(ec->ec_childmembers == NULL); + + /* * Fix up the member expressions. Any non-const member that ends with * empty em_relids must be a Var or PHV of the removed relation. We don't * need it anymore, so we can drop it. @@ -1509,6 +1516,13 @@ update_eclasses(EquivalenceClass *ec, int from, int to) List *new_members = NIL; List *new_sources = NIL; + /* + * We don't expect any EC child members to exist at this point. Ensure + * that's the case, otherwise, we might be getting asked to do something + * this function hasn't been coded for. + */ + Assert(ec->ec_childmembers == NULL); + foreach_node(EquivalenceMember, em, ec->ec_members) { bool is_redundant = false; |