diff options
Diffstat (limited to 'src/backend/optimizer/util/plancat.c')
| -rw-r--r-- | src/backend/optimizer/util/plancat.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/backend/optimizer/util/plancat.c b/src/backend/optimizer/util/plancat.c index b28681630b3..0ec17505a7d 100644 --- a/src/backend/optimizer/util/plancat.c +++ b/src/backend/optimizer/util/plancat.c @@ -552,7 +552,7 @@ get_relation_data_width(Oid relid, int32 *attr_widths) /* * get_relation_constraints * - * Retrieve the CHECK constraint expressions of the given relation. + * Retrieve the validated CHECK constraint expressions of the given relation. * * Returns a List (possibly empty) of constraint expressions. Each one * has been canonicalized, and its Vars are changed to have the varno @@ -591,6 +591,13 @@ get_relation_constraints(PlannerInfo *root, { Node *cexpr; + /* + * If this constraint hasn't been fully validated yet, we must + * ignore it here. + */ + if (!constr->check[i].ccvalid) + continue; + cexpr = stringToNode(constr->check[i].ccbin); /* @@ -663,7 +670,7 @@ get_relation_constraints(PlannerInfo *root, * * Detect whether the relation need not be scanned because it has either * self-inconsistent restrictions, or restrictions inconsistent with the - * relation's CHECK constraints. + * relation's validated CHECK constraints. * * Note: this examines only rel->relid, rel->reloptkind, and * rel->baserestrictinfo; therefore it can be called before filling in |