diff options
Diffstat (limited to 'src/include/catalog/pg_constraint.h')
| -rw-r--r-- | src/include/catalog/pg_constraint.h | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/src/include/catalog/pg_constraint.h b/src/include/catalog/pg_constraint.h index 96c00624b15..115217a6162 100644 --- a/src/include/catalog/pg_constraint.h +++ b/src/include/catalog/pg_constraint.h @@ -108,8 +108,8 @@ CATALOG(pg_constraint,2606,ConstraintRelationId) bool connoinherit; /* - * For primary keys and unique constraints, signifies the last column uses - * overlaps instead of equals. + * For primary keys, unique constraints, and foreign keys, signifies the + * last column uses overlaps instead of equals. */ bool conperiod; @@ -127,20 +127,22 @@ CATALOG(pg_constraint,2606,ConstraintRelationId) int16 confkey[1]; /* - * If a foreign key, the OIDs of the PK = FK equality operators for each - * column of the constraint + * If a foreign key, the OIDs of the PK = FK equality/overlap operators + * for each column of the constraint */ Oid conpfeqop[1] BKI_LOOKUP(pg_operator); /* - * If a foreign key, the OIDs of the PK = PK equality operators for each - * column of the constraint (i.e., equality for the referenced columns) + * If a foreign key, the OIDs of the PK = PK equality/overlap operators + * for each column of the constraint (i.e., equality for the referenced + * columns) */ Oid conppeqop[1] BKI_LOOKUP(pg_operator); /* - * If a foreign key, the OIDs of the FK = FK equality operators for each - * column of the constraint (i.e., equality for the referencing columns) + * If a foreign key, the OIDs of the FK = FK equality/overlap operators + * for each column of the constraint (i.e., equality for the referencing + * columns) */ Oid conffeqop[1] BKI_LOOKUP(pg_operator); @@ -277,6 +279,9 @@ extern void DeconstructFkConstraintRow(HeapTuple tuple, int *numfks, AttrNumber *conkey, AttrNumber *confkey, Oid *pf_eq_oprs, Oid *pp_eq_oprs, Oid *ff_eq_oprs, int *num_fk_del_set_cols, AttrNumber *fk_del_set_cols); +extern void FindFKPeriodOpers(Oid opclass, + Oid *containedbyoperoid, + Oid *aggedcontainedbyoperoid); extern bool check_functional_grouping(Oid relid, Index varno, Index varlevelsup, |