diff options
Diffstat (limited to 'src/backend/parser/parse_clause.c')
| -rw-r--r-- | src/backend/parser/parse_clause.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/backend/parser/parse_clause.c b/src/backend/parser/parse_clause.c index 1f6306a7d35..7a1261d0fd2 100644 --- a/src/backend/parser/parse_clause.c +++ b/src/backend/parser/parse_clause.c @@ -720,14 +720,15 @@ transformFromClauseItem(ParseState *pstate, Node *n, * we always push them into the namespace, but mark them as not * lateral_ok if the jointype is wrong. * + * Notice that we don't require the merged namespace list to be + * conflict-free. See the comments for scanNameSpaceForRefname(). + * * NB: this coding relies on the fact that list_concat is not * destructive to its second argument. */ lateral_ok = (j->jointype == JOIN_INNER || j->jointype == JOIN_LEFT); setNamespaceLateralState(l_namespace, true, lateral_ok); - checkNameSpaceConflicts(pstate, pstate->p_namespace, l_namespace); - sv_namespace_length = list_length(pstate->p_namespace); pstate->p_namespace = list_concat(pstate->p_namespace, l_namespace); |