diff --git a/src/gausskernel/optimizer/commands/tablecmds.cpp b/src/gausskernel/optimizer/commands/tablecmds.cpp
index 636166ffa35a686a0614ce015982c52b4b69038d..3ed0004647c388cae9dc516f54cd88cfd826a225 100644
--- a/src/gausskernel/optimizer/commands/tablecmds.cpp
+++ b/src/gausskernel/optimizer/commands/tablecmds.cpp
@@ -9224,13 +9224,13 @@ static void ATAddForeignKeyConstraint(AlteredTableInfo* tab, Relation rel, Const
         ereport(ERROR,
             (errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
                 errmsg("permission denied: \"%s\" is a system catalog", RelationGetRelationName(pkrel))));
-
+#ifdef ENABLE_MULTIPLE_NODES
     if (RELATION_IS_PARTITIONED(pkrel))
         ereport(ERROR,
             (errcode(ERRCODE_WRONG_OBJECT_TYPE),
                 errmsg("Invalid FOREIGN KEY constraints"),
                 errdetail("Partitioned table cannot be referenced table")));
-
+#endif
     /*
      * References from permanent or unlogged tables to temp tables, and from
      * permanent tables to unlogged tables, are disallowed because the
diff --git a/src/gausskernel/optimizer/commands/trigger.cpp b/src/gausskernel/optimizer/commands/trigger.cpp
index 255c71be48e5ce5fd84a706f01020fc2d086a2e7..c34e47a1e3b658575ad547a7366cbe3d8b298c10 100644
--- a/src/gausskernel/optimizer/commands/trigger.cpp
+++ b/src/gausskernel/optimizer/commands/trigger.cpp
@@ -83,6 +83,8 @@ static void ConvertTriggerToFK(CreateTrigStmt* stmt, Oid funcoid);
 static void SetTriggerFlags(TriggerDesc* trigdesc, const Trigger* trigger);
 static HeapTuple GetTupleForTrigger(EState* estate, EPQState* epqstate, ResultRelInfo* relinfo, Oid targetPartitionOid,
     int2 bucketid, ItemPointer tid, TupleTableSlot** newSlot);
+
+static void ReleaseFakeRelation(Relation relation, Partition part, Relation* fakeRelation);
 static bool TriggerEnabled(EState* estate, ResultRelInfo* relinfo, Trigger* trigger, TriggerEvent event,
     const Bitmapset* modifiedCols, HeapTuple oldtup, HeapTuple newtup);
 static HeapTuple ExecCallTriggerFunc(
@@ -2624,12 +2626,7 @@ static HeapTuple GetTupleForTrigger(EState* estate, EPQState* epqstate, ResultRe
             case HeapTupleSelfUpdated:
                 /* treat it as deleted; do not process */
                 ReleaseBuffer(buffer);
-                if (RELATION_IS_PARTITIONED(relation)) {
-                    partitionClose(relation, part, NoLock);
-                }
-                if (RELATION_OWN_BUCKET(relation)) {
-                    releaseDummyRelation(&fakeRelation);
-                }
+                ReleaseFakeRelation(relation, part, &fakeRelation);
                 return NULL;
 
             case HeapTupleMayBeUpdated:
@@ -2665,12 +2662,7 @@ static HeapTuple GetTupleForTrigger(EState* estate, EPQState* epqstate, ResultRe
                  * if tuple was deleted or PlanQual failed for updated tuple -
                  * we must not process this tuple!
                  */
-                if (RELATION_IS_PARTITIONED(relation)) {
-                    partitionClose(relation, part, NoLock);
-                }
-                if (RELATION_OWN_BUCKET(relation)) {
-                    releaseDummyRelation(&fakeRelation);
-                }
+                ReleaseFakeRelation(relation, part, &fakeRelation);
                 return NULL;
 
             default:
@@ -2716,14 +2708,18 @@ static HeapTuple GetTupleForTrigger(EState* estate, EPQState* epqstate, ResultRe
     result = heapCopyTuple(&tuple, RelationGetDescr(relation), BufferGetPage(buffer));
     ReleaseBuffer(buffer);
 
+    ReleaseFakeRelation(relation, part, &fakeRelation);
+
+    return result;
+}
+
+static void ReleaseFakeRelation(Relation relation, Partition part, Relation* fakeRelation){
     if (RELATION_IS_PARTITIONED(relation)) {
         partitionClose(relation, part, NoLock);
+        releaseDummyRelation(fakeRelation);
+    } else if (RELATION_OWN_BUCKET(relation)) {
+        releaseDummyRelation(fakeRelation);
     }
-    if (RELATION_OWN_BUCKET(relation)) {
-        releaseDummyRelation(&fakeRelation);
-    }
-
-    return result;
 }
 
 /*
diff --git a/src/test/regress/expected/partition_foreign_key.out b/src/test/regress/expected/partition_foreign_key.out
new file mode 100644
index 0000000000000000000000000000000000000000..fd91efa4e81927d02ff0d8aaae28ce2d225a6125
--- /dev/null
+++ b/src/test/regress/expected/partition_foreign_key.out
@@ -0,0 +1,751 @@
+DROP TABLE IF EXISTS pt2;
+NOTICE:  table "pt2" does not exist, skipping
+DROP TABLE IF EXISTS pt1;
+NOTICE:  table "pt1" does not exist, skipping
+CREATE TABLE pt1(
+                d_date date UNIQUE
+)partition BY RANGE (d_date) INTERVAL('1 day')
+(PARTITION part1 VALUES LESS THAN ('1900-01-01'));
+NOTICE:  CREATE TABLE / UNIQUE will create implicit index "pt1_d_date_key" for table "pt1"
+
+CREATE TABLE pt2(
+                d_date date
+)partition BY RANGE (d_date) INTERVAL('1 day')
+(PARTITION part1 VALUES LESS THAN ('1900-01-01'));
+
+ALTER TABLE pt2 ADD CONSTRAINT test_foreign FOREIGN KEY(d_date)
+REFERENCES pt1(d_date) on UPDATE CASCADE ON DELETE CASCADE;
+
+INSERT into pt1 VALUES('1999-01-01'),('1999-01-02'),('1999-01-03'),('1999-01-04');
+
+INSERT into pt2 VALUES('1999-01-01');
+
+INSERT into pt2 VALUES('2000-01-01');
+ERROR:  insert or update on table "pt2" violates foreign key constraint "test_foreign"
+DETAIL:  Key (d_date)=(Sat Jan 01 00:00:00 2000) is not present in table "pt1".
+
+update pt2 set pt2.d_date = '2000-01-01' where pt2.d_date = '1999-01-01';
+ERROR:  insert or update on table "pt2" violates foreign key constraint "test_foreign"
+DETAIL:  Key (d_date)=(Sat Jan 01 00:00:00 2000) is not present in table "pt1".
+
+update pt2 set pt2.d_date = '1999-01-02' where pt2.d_date = '1999-01-01';
+
+SELECT * FROM pt2;
+          d_date
+--------------------------
+ Sat Jan 02 00:00:00 1999
+(1 row)
+
+
+SELECT * FROM pt2 PARTITION(sys_p2);
+          d_date
+--------------------------
+ Sat Jan 02 00:00:00 1999
+(1 row)
+
+
+delete from pt2;
+INSERT into pt2 VALUES('1999-01-01'), ('1999-01-03'),('1999-01-04');
+
+INSERT into pt1 VALUES('1999-01-08');
+
+INSERT into pt2 VALUES('1999-01-08');
+
+update pt1 set pt1.d_date = '2000-01-01' where pt1.d_date = '1999-01-08';
+
+delete from pt1 where pt1.d_date = '2000-01-01';
+
+DROP TABLE pt2;
+DROP TABLE pt1;
+
+CREATE TABLE pt1(
+                d_date date UNIQUE
+)partition BY RANGE (d_date) INTERVAL('1 month')
+(PARTITION part1 VALUES LESS THAN ('1900-01-01'));
+NOTICE:  CREATE TABLE / UNIQUE will create implicit index "pt1_d_date_key" for table "pt1"
+
+CREATE TABLE pt2(
+                d_date date
+)partition BY RANGE (d_date) INTERVAL('1 month')
+(PARTITION part1 VALUES LESS THAN ('1900-01-01'));
+
+ALTER TABLE pt2 ADD CONSTRAINT test_foreign FOREIGN KEY(d_date)
+REFERENCES pt1(d_date) on UPDATE CASCADE ON DELETE CASCADE;
+
+INSERT INTO pt1 VALUES
+('1999-01-01'),('1999-01-02'),('1999-01-019'),('1999-01-20'),
+('1999-02-01'),('1999-02-02'),('1999-02-19'),('1999-02-20'),
+('1999-03-01'),('1999-03-02'),('1999-03-19'),('1999-03-20'),
+('1999-04-01'),('1999-04-02'),('1999-04-19'),('1999-04-20'),
+('1999-05-01'),('1999-05-02'),('1999-05-19'),('1999-05-20'),
+('1999-06-01'),('1999-06-02'),('1999-06-19'),('1999-06-20'),
+('1999-07-01'),('1999-07-02'),('1999-07-19'),('1999-07-20'),
+('1999-08-01'),('1999-08-02'),('1999-08-19'),('1999-08-20'),
+('1999-09-01'),('1999-09-02'),('1999-09-19'),('1999-09-20'),
+('1999-10-01'),('1999-10-02'),('1999-10-19'),('1999-10-20'),
+('1999-11-01'),('1999-11-02'),('1999-11-19'),('1999-11-20'),
+('1999-12-01'),('1999-12-02'),('1999-12-19'),('1999-12-20');
+
+INSERT INTO pt2 VALUES
+('1999-01-01'),('1999-01-02'),('1999-01-019'),('1999-01-20'),
+('1999-02-01'),('1999-02-02'),('1999-02-19'),('1999-02-20'),
+('1999-03-01'),('1999-03-02'),('1999-03-19'),('1999-03-20'),
+('1999-04-01'),('1999-04-02'),('1999-04-19'),('1999-04-20'),
+('1999-05-01'),('1999-05-02'),('1999-05-19'),('1999-05-20'),
+('1999-06-01'),('1999-06-02'),('1999-06-19'),('1999-06-20'),
+('1999-07-01'),('1999-07-02'),('1999-07-19'),('1999-07-20'),
+('1999-08-01'),('1999-08-02'),('1999-08-19'),('1999-08-20'),
+('1999-09-01'),('1999-09-02'),('1999-09-19'),('1999-09-20'),
+('1999-10-01'),('1999-10-02'),('1999-10-19'),('1999-10-20'),
+('1999-11-01'),('1999-11-02'),('1999-11-19'),('1999-11-20'),
+('1999-12-01'),('1999-12-02'),('1999-12-19'),('1999-12-20');
+
+delete from pt2 where pt2.d_date<'1999-03-01';
+
+select * from pt2 where pt2.d_date<'1999-06-01';
+          d_date
+--------------------------
+ Mon Mar 01 00:00:00 1999
+ Tue Mar 02 00:00:00 1999
+ Fri Mar 19 00:00:00 1999
+ Sat Mar 20 00:00:00 1999
+ Thu Apr 01 00:00:00 1999
+ Fri Apr 02 00:00:00 1999
+ Mon Apr 19 00:00:00 1999
+ Tue Apr 20 00:00:00 1999
+ Sat May 01 00:00:00 1999
+ Sun May 02 00:00:00 1999
+ Wed May 19 00:00:00 1999
+ Thu May 20 00:00:00 1999
+(12 rows)
+
+
+delete from pt1 where pt1.d_date<'1999-05-01';
+
+delete from pt2 where pt2.d_date>'1999-11-15' and pt2.d_date<'1999-12-15';
+SELECT * FROM pt2 WHERE pt2.d_date>='1999-10-01';
+          d_date
+--------------------------
+ Fri Oct 01 00:00:00 1999
+ Sat Oct 02 00:00:00 1999
+ Tue Oct 19 00:00:00 1999
+ Wed Oct 20 00:00:00 1999
+ Mon Nov 01 00:00:00 1999
+ Tue Nov 02 00:00:00 1999
+ Sun Dec 19 00:00:00 1999
+ Mon Dec 20 00:00:00 1999
+(8 rows)
+
+
+delete from pt1 where pt1.d_date>'1999-10-15' and pt1.d_date<'1999-11-15';
+SELECT * FROM pt1 WHERE pt1.d_date>='1999-10-01';
+          d_date
+--------------------------
+ Fri Oct 01 00:00:00 1999
+ Sat Oct 02 00:00:00 1999
+ Fri Nov 19 00:00:00 1999
+ Sat Nov 20 00:00:00 1999
+ Wed Dec 01 00:00:00 1999
+ Thu Dec 02 00:00:00 1999
+ Sun Dec 19 00:00:00 1999
+ Mon Dec 20 00:00:00 1999
+(8 rows)
+
+
+SELECT * FROM pt2 WHERE pt2.d_date>='1999-10-01';
+          d_date
+--------------------------
+ Fri Oct 01 00:00:00 1999
+ Sat Oct 02 00:00:00 1999
+ Sun Dec 19 00:00:00 1999
+ Mon Dec 20 00:00:00 1999
+(4 rows)
+
+
+UPDATE pt2 set d_date = d_date - INTERVAL '4' month where d_date>='1999-05-01' and d_date<'1999-06-01';
+ERROR:  insert or update on table "pt2" violates foreign key constraint "test_foreign"
+DETAIL:  Key (d_date)=(Fri Jan 01 00:00:00 1999) is not present in table "pt1".
+
+UPDATE pt1 set d_date = d_date - INTERVAL '4' month where d_date>='1999-05-01' and d_date<'1999-06-01';
+SELECT * FROM pt1 WHERE d_date<'1999-07-01';
+          d_date
+--------------------------
+ Fri Jan 01 00:00:00 1999
+ Sat Jan 02 00:00:00 1999
+ Tue Jan 19 00:00:00 1999
+ Wed Jan 20 00:00:00 1999
+ Tue Jun 01 00:00:00 1999
+ Wed Jun 02 00:00:00 1999
+ Sat Jun 19 00:00:00 1999
+ Sun Jun 20 00:00:00 1999
+(8 rows)
+
+
+SELECT * FROM pt1 WHERE d_date<'1999-07-01';
+          d_date
+--------------------------
+ Fri Jan 01 00:00:00 1999
+ Sat Jan 02 00:00:00 1999
+ Tue Jan 19 00:00:00 1999
+ Wed Jan 20 00:00:00 1999
+ Tue Jun 01 00:00:00 1999
+ Wed Jun 02 00:00:00 1999
+ Sat Jun 19 00:00:00 1999
+ Sun Jun 20 00:00:00 1999
+(8 rows)
+
+
+UPDATE pt2 set d_date = d_date - INTERVAL '1' month where d_date>='1999-06-01' and d_date<='1999-07-15';
+ERROR:  insert or update on table "pt2" violates foreign key constraint "test_foreign"
+DETAIL:  Key (d_date)=(Sat May 01 00:00:00 1999) is not present in table "pt1".
+
+UPDATE pt1 set d_date = d_date - INTERVAL '1' month where d_date>='1999-06-01' and d_date<='1999-07-15';
+SELECT * FROM pt1 WHERE d_date<'1999-08-01';
+          d_date
+--------------------------
+ Fri Jan 01 00:00:00 1999
+ Sat Jan 02 00:00:00 1999
+ Tue Jan 19 00:00:00 1999
+ Wed Jan 20 00:00:00 1999
+ Sat May 01 00:00:00 1999
+ Sun May 02 00:00:00 1999
+ Wed May 19 00:00:00 1999
+ Thu May 20 00:00:00 1999
+ Tue Jun 01 00:00:00 1999
+ Wed Jun 02 00:00:00 1999
+ Mon Jul 19 00:00:00 1999
+ Tue Jul 20 00:00:00 1999
+(12 rows)
+
+
+SELECT * FROM pt2 WHERE d_date<'1999-08-01';
+          d_date
+--------------------------
+ Fri Jan 01 00:00:00 1999
+ Sat Jan 02 00:00:00 1999
+ Tue Jan 19 00:00:00 1999
+ Wed Jan 20 00:00:00 1999
+ Sat May 01 00:00:00 1999
+ Sun May 02 00:00:00 1999
+ Wed May 19 00:00:00 1999
+ Thu May 20 00:00:00 1999
+ Tue Jun 01 00:00:00 1999
+ Wed Jun 02 00:00:00 1999
+ Mon Jul 19 00:00:00 1999
+ Tue Jul 20 00:00:00 1999
+(12 rows)
+
+
+DROP TABLE IF EXISTS pt2;
+DROP TABLE IF EXISTS pt1;
+
+CREATE TABLE pt1(
+d_date date UNIQUE
+)partition BY RANGE (d_date) INTERVAL('1 month')
+(PARTITION part1 VALUES LESS THAN ('1900-01-01'))
+;
+NOTICE:  CREATE TABLE / UNIQUE will create implicit index "pt1_d_date_key" for table "pt1"
+
+CREATE TABLE pt2(
+d_date date,
+d_date_backup date
+)partition BY RANGE (d_date_backup) INTERVAL('1 month')
+(PARTITION part1 VALUES LESS THAN ('1900-01-01'));
+
+
+ALTER TABLE pt2 ADD CONSTRAINT test_foreign FOREIGN KEY(d_date)
+REFERENCES pt1(d_date) on UPDATE SET NULL ON DELETE SET NULL;
+
+INSERT INTO pt1 VALUES
+('1999-01-01'),('1999-01-02'),('1999-01-019'),('1999-01-20'),
+('1999-02-01'),('1999-02-02'),('1999-02-19'),('1999-02-20'),
+('1999-03-01'),('1999-03-02'),('1999-03-19'),('1999-03-20'),
+('1999-04-01'),('1999-04-02'),('1999-04-19'),('1999-04-20'),
+('1999-05-01'),('1999-05-02'),('1999-05-19'),('1999-05-20'),
+('1999-06-01'),('1999-06-02'),('1999-06-19'),('1999-06-20'),
+('1999-07-01'),('1999-07-02'),('1999-07-19'),('1999-07-20'),
+('1999-08-01'),('1999-08-02'),('1999-08-19'),('1999-08-20'),
+('1999-09-01'),('1999-09-02'),('1999-09-19'),('1999-09-20'),
+('1999-10-01'),('1999-10-02'),('1999-10-19'),('1999-10-20'),
+('1999-11-01'),('1999-11-02'),('1999-11-19'),('1999-11-20'),
+('1999-12-01'),('1999-12-02'),('1999-12-19'),('1999-12-20');
+
+INSERT INTO pt2 VALUES
+('1999-01-01','1999-01-01'),('1999-01-02','1999-01-02'),
+('1999-01-19','1999-01-19'),('1999-01-20','1999-01-20'),
+('1999-02-01','1999-02-01'),('1999-02-02','1999-02-02'),
+('1999-02-19','1999-02-19'),('1999-02-20','1999-02-20'),
+('1999-03-01','1999-03-01'),('1999-03-02','1999-03-02'),
+('1999-03-19','1999-03-19'),('1999-03-20','1999-03-20'),
+('1999-04-01','1999-04-01'),('1999-04-02','1999-04-02'),
+('1999-04-19','1999-04-19'),('1999-04-20','1999-04-20'),
+('1999-05-01','1999-05-01'),('1999-05-02','1999-05-02'),
+('1999-05-19','1999-05-19'),('1999-05-20','1999-05-20'),
+('1999-06-01','1999-06-01'),('1999-06-02','1999-06-02'),
+('1999-06-19','1999-06-19'),('1999-06-20','1999-06-20'),
+('1999-07-01','1999-07-01'),('1999-07-02','1999-07-02'),
+('1999-07-19','1999-07-19'),('1999-07-20','1999-07-20'),
+('1999-08-01','1999-08-01'),('1999-08-02','1999-08-02'),
+('1999-08-19','1999-08-19'),('1999-08-20','1999-08-20'),
+('1999-09-01','1999-09-01'),('1999-09-02','1999-09-02'),
+('1999-09-19','1999-09-19'),('1999-09-20','1999-09-20'),
+('1999-10-01','1999-10-01'),('1999-10-02','1999-10-02'),
+('1999-10-19','1999-10-19'),('1999-10-20','1999-10-20'),
+('1999-11-01','1999-11-01'),('1999-11-02','1999-11-02'),
+('1999-11-19','1999-11-19'),('1999-11-20','1999-11-20'),
+('1999-12-01','1999-12-01'),('1999-12-02','1999-12-02'),
+('1999-12-19','1999-12-19'),('1999-12-20','1999-12-20');
+
+insert into pt1 VALUES('2000-01-01'),('2000-01-02'),
+('2000-01-19'),('2000-01-20'),
+('2000-02-01'),('2000-02-02'),
+('2000-02-19'),('2000-02-20');
+SELECT * FROM pt1 WHERE d_date>='2000-01-01';
+          d_date
+--------------------------
+ Sat Jan 01 00:00:00 2000
+ Sun Jan 02 00:00:00 2000
+ Wed Jan 19 00:00:00 2000
+ Thu Jan 20 00:00:00 2000
+ Tue Feb 01 00:00:00 2000
+ Wed Feb 02 00:00:00 2000
+ Sat Feb 19 00:00:00 2000
+ Sun Feb 20 00:00:00 2000
+(8 rows)
+
+
+update pt1 set d_date = '2000-02-21' WHERE d_date = '2000-02-20';
+SELECT * FROM pt1 WHERE d_date>='2000-02-01';
+          d_date
+--------------------------
+ Tue Feb 01 00:00:00 2000
+ Wed Feb 02 00:00:00 2000
+ Sat Feb 19 00:00:00 2000
+ Mon Feb 21 00:00:00 2000
+(4 rows)
+
+
+DELETE FROM pt1 WHERE d_date = '2000-02-21';
+SELECT * FROM pt1 WHERE d_date>='2000-02-01';
+          d_date
+--------------------------
+ Tue Feb 01 00:00:00 2000
+ Wed Feb 02 00:00:00 2000
+ Sat Feb 19 00:00:00 2000
+(3 rows)
+
+
+SELECT * FROM pt1 PARTITION FOR('1999-06-16');
+          d_date
+--------------------------
+ Tue Jun 01 00:00:00 1999
+ Wed Jun 02 00:00:00 1999
+ Sat Jun 19 00:00:00 1999
+ Sun Jun 20 00:00:00 1999
+(4 rows)
+
+
+INSERT into pt2 VALUES('2020-08-19','2020-08-19');
+ERROR:  insert or update on table "pt2" violates foreign key constraint "test_foreign"
+DETAIL:  Key (d_date)=(Wed Aug 19 00:00:00 2020) is not present in table "pt1".
+
+INSERT into pt2 VALUES('2000-01-01','2000-01-01');
+
+update pt2 set pt2.d_date = '2020-08-13'
+where pt2.d_date = '1999-01-01';
+ERROR:  insert or update on table "pt2" violates foreign key constraint "test_foreign"
+DETAIL:  Key (d_date)=(Thu Aug 13 00:00:00 2020) is not present in table "pt1".
+
+update pt2 set pt2.d_date = '2000-02-01',pt2.d_date_backup = '2000-02-01'
+where pt2.d_date = '2000-01-01';
+
+SELECT * FROM pt2;
+          d_date          |      d_date_backup
+--------------------------+--------------------------
+ Fri Jan 01 00:00:00 1999 | Fri Jan 01 00:00:00 1999
+ Sat Jan 02 00:00:00 1999 | Sat Jan 02 00:00:00 1999
+ Tue Jan 19 00:00:00 1999 | Tue Jan 19 00:00:00 1999
+ Wed Jan 20 00:00:00 1999 | Wed Jan 20 00:00:00 1999
+ Mon Feb 01 00:00:00 1999 | Mon Feb 01 00:00:00 1999
+ Tue Feb 02 00:00:00 1999 | Tue Feb 02 00:00:00 1999
+ Fri Feb 19 00:00:00 1999 | Fri Feb 19 00:00:00 1999
+ Sat Feb 20 00:00:00 1999 | Sat Feb 20 00:00:00 1999
+ Mon Mar 01 00:00:00 1999 | Mon Mar 01 00:00:00 1999
+ Tue Mar 02 00:00:00 1999 | Tue Mar 02 00:00:00 1999
+ Fri Mar 19 00:00:00 1999 | Fri Mar 19 00:00:00 1999
+ Sat Mar 20 00:00:00 1999 | Sat Mar 20 00:00:00 1999
+ Thu Apr 01 00:00:00 1999 | Thu Apr 01 00:00:00 1999
+ Fri Apr 02 00:00:00 1999 | Fri Apr 02 00:00:00 1999
+ Mon Apr 19 00:00:00 1999 | Mon Apr 19 00:00:00 1999
+ Tue Apr 20 00:00:00 1999 | Tue Apr 20 00:00:00 1999
+ Sat May 01 00:00:00 1999 | Sat May 01 00:00:00 1999
+ Sun May 02 00:00:00 1999 | Sun May 02 00:00:00 1999
+ Wed May 19 00:00:00 1999 | Wed May 19 00:00:00 1999
+ Thu May 20 00:00:00 1999 | Thu May 20 00:00:00 1999
+ Tue Jun 01 00:00:00 1999 | Tue Jun 01 00:00:00 1999
+ Wed Jun 02 00:00:00 1999 | Wed Jun 02 00:00:00 1999
+ Sat Jun 19 00:00:00 1999 | Sat Jun 19 00:00:00 1999
+ Sun Jun 20 00:00:00 1999 | Sun Jun 20 00:00:00 1999
+ Thu Jul 01 00:00:00 1999 | Thu Jul 01 00:00:00 1999
+ Fri Jul 02 00:00:00 1999 | Fri Jul 02 00:00:00 1999
+ Mon Jul 19 00:00:00 1999 | Mon Jul 19 00:00:00 1999
+ Tue Jul 20 00:00:00 1999 | Tue Jul 20 00:00:00 1999
+ Sun Aug 01 00:00:00 1999 | Sun Aug 01 00:00:00 1999
+ Mon Aug 02 00:00:00 1999 | Mon Aug 02 00:00:00 1999
+ Thu Aug 19 00:00:00 1999 | Thu Aug 19 00:00:00 1999
+ Fri Aug 20 00:00:00 1999 | Fri Aug 20 00:00:00 1999
+ Wed Sep 01 00:00:00 1999 | Wed Sep 01 00:00:00 1999
+ Thu Sep 02 00:00:00 1999 | Thu Sep 02 00:00:00 1999
+ Sun Sep 19 00:00:00 1999 | Sun Sep 19 00:00:00 1999
+ Mon Sep 20 00:00:00 1999 | Mon Sep 20 00:00:00 1999
+ Fri Oct 01 00:00:00 1999 | Fri Oct 01 00:00:00 1999
+ Sat Oct 02 00:00:00 1999 | Sat Oct 02 00:00:00 1999
+ Tue Oct 19 00:00:00 1999 | Tue Oct 19 00:00:00 1999
+ Wed Oct 20 00:00:00 1999 | Wed Oct 20 00:00:00 1999
+ Mon Nov 01 00:00:00 1999 | Mon Nov 01 00:00:00 1999
+ Tue Nov 02 00:00:00 1999 | Tue Nov 02 00:00:00 1999
+ Fri Nov 19 00:00:00 1999 | Fri Nov 19 00:00:00 1999
+ Sat Nov 20 00:00:00 1999 | Sat Nov 20 00:00:00 1999
+ Wed Dec 01 00:00:00 1999 | Wed Dec 01 00:00:00 1999
+ Thu Dec 02 00:00:00 1999 | Thu Dec 02 00:00:00 1999
+ Sun Dec 19 00:00:00 1999 | Sun Dec 19 00:00:00 1999
+ Mon Dec 20 00:00:00 1999 | Mon Dec 20 00:00:00 1999
+ Tue Feb 01 00:00:00 2000 | Tue Feb 01 00:00:00 2000
+(49 rows)
+
+
+SELECT * FROM pt2 PARTITION(sys_p2);
+          d_date          |      d_date_backup
+--------------------------+--------------------------
+ Mon Feb 01 00:00:00 1999 | Mon Feb 01 00:00:00 1999
+ Tue Feb 02 00:00:00 1999 | Tue Feb 02 00:00:00 1999
+ Fri Feb 19 00:00:00 1999 | Fri Feb 19 00:00:00 1999
+ Sat Feb 20 00:00:00 1999 | Sat Feb 20 00:00:00 1999
+(4 rows)
+
+
+delete from pt2 where pt2.d_date<'1999-03-01';
+select * from pt2 where pt2.d_date<'1999-06-01';
+          d_date          |      d_date_backup
+--------------------------+--------------------------
+ Mon Mar 01 00:00:00 1999 | Mon Mar 01 00:00:00 1999
+ Tue Mar 02 00:00:00 1999 | Tue Mar 02 00:00:00 1999
+ Fri Mar 19 00:00:00 1999 | Fri Mar 19 00:00:00 1999
+ Sat Mar 20 00:00:00 1999 | Sat Mar 20 00:00:00 1999
+ Thu Apr 01 00:00:00 1999 | Thu Apr 01 00:00:00 1999
+ Fri Apr 02 00:00:00 1999 | Fri Apr 02 00:00:00 1999
+ Mon Apr 19 00:00:00 1999 | Mon Apr 19 00:00:00 1999
+ Tue Apr 20 00:00:00 1999 | Tue Apr 20 00:00:00 1999
+ Sat May 01 00:00:00 1999 | Sat May 01 00:00:00 1999
+ Sun May 02 00:00:00 1999 | Sun May 02 00:00:00 1999
+ Wed May 19 00:00:00 1999 | Wed May 19 00:00:00 1999
+ Thu May 20 00:00:00 1999 | Thu May 20 00:00:00 1999
+(12 rows)
+
+
+delete from pt1 where d_date<'1999-05-01';
+select * from pt1 where d_date<'1999-06-01';
+          d_date
+--------------------------
+ Sat May 01 00:00:00 1999
+ Sun May 02 00:00:00 1999
+ Wed May 19 00:00:00 1999
+ Thu May 20 00:00:00 1999
+(4 rows)
+
+
+select * from pt2 where d_date_backup<'1999-06-01';
+          d_date          |      d_date_backup
+--------------------------+--------------------------
+                          | Mon Mar 01 00:00:00 1999
+                          | Tue Mar 02 00:00:00 1999
+                          | Fri Mar 19 00:00:00 1999
+                          | Sat Mar 20 00:00:00 1999
+                          | Thu Apr 01 00:00:00 1999
+                          | Fri Apr 02 00:00:00 1999
+                          | Mon Apr 19 00:00:00 1999
+                          | Tue Apr 20 00:00:00 1999
+ Sat May 01 00:00:00 1999 | Sat May 01 00:00:00 1999
+ Sun May 02 00:00:00 1999 | Sun May 02 00:00:00 1999
+ Wed May 19 00:00:00 1999 | Wed May 19 00:00:00 1999
+ Thu May 20 00:00:00 1999 | Thu May 20 00:00:00 1999
+(12 rows)
+
+
+delete from pt2 where pt2.d_date>'1999-11-15' and pt2.d_date<'1999-12-15';
+SELECT * FROM pt2 WHERE pt2.d_date>='1999-10-01';
+          d_date          |      d_date_backup
+--------------------------+--------------------------
+ Fri Oct 01 00:00:00 1999 | Fri Oct 01 00:00:00 1999
+ Sat Oct 02 00:00:00 1999 | Sat Oct 02 00:00:00 1999
+ Tue Oct 19 00:00:00 1999 | Tue Oct 19 00:00:00 1999
+ Wed Oct 20 00:00:00 1999 | Wed Oct 20 00:00:00 1999
+ Mon Nov 01 00:00:00 1999 | Mon Nov 01 00:00:00 1999
+ Tue Nov 02 00:00:00 1999 | Tue Nov 02 00:00:00 1999
+ Sun Dec 19 00:00:00 1999 | Sun Dec 19 00:00:00 1999
+ Mon Dec 20 00:00:00 1999 | Mon Dec 20 00:00:00 1999
+ Tue Feb 01 00:00:00 2000 | Tue Feb 01 00:00:00 2000
+(9 rows)
+
+
+delete from pt1 where pt1.d_date>'1999-10-15' and pt1.d_date<'1999-11-15';
+SELECT * FROM pt1 WHERE pt1.d_date>='1999-10-01';
+          d_date
+--------------------------
+ Fri Oct 01 00:00:00 1999
+ Sat Oct 02 00:00:00 1999
+ Fri Nov 19 00:00:00 1999
+ Sat Nov 20 00:00:00 1999
+ Wed Dec 01 00:00:00 1999
+ Thu Dec 02 00:00:00 1999
+ Sun Dec 19 00:00:00 1999
+ Mon Dec 20 00:00:00 1999
+ Sat Jan 01 00:00:00 2000
+ Sun Jan 02 00:00:00 2000
+ Wed Jan 19 00:00:00 2000
+ Thu Jan 20 00:00:00 2000
+ Tue Feb 01 00:00:00 2000
+ Wed Feb 02 00:00:00 2000
+ Sat Feb 19 00:00:00 2000
+(15 rows)
+
+
+SELECT * FROM pt2 WHERE pt2.d_date_backup>='1999-10-01';
+          d_date          |      d_date_backup
+--------------------------+--------------------------
+ Fri Oct 01 00:00:00 1999 | Fri Oct 01 00:00:00 1999
+ Sat Oct 02 00:00:00 1999 | Sat Oct 02 00:00:00 1999
+                          | Tue Oct 19 00:00:00 1999
+                          | Wed Oct 20 00:00:00 1999
+                          | Mon Nov 01 00:00:00 1999
+                          | Tue Nov 02 00:00:00 1999
+ Sun Dec 19 00:00:00 1999 | Sun Dec 19 00:00:00 1999
+ Mon Dec 20 00:00:00 1999 | Mon Dec 20 00:00:00 1999
+ Tue Feb 01 00:00:00 2000 | Tue Feb 01 00:00:00 2000
+(9 rows)
+
+
+UPDATE pt2 set d_date = d_date - INTERVAL '4' month where d_date>='1999-05-01' and d_date<'1999-06-01';
+ERROR:  insert or update on table "pt2" violates foreign key constraint "test_foreign"
+DETAIL:  Key (d_date)=(Fri Jan 01 00:00:00 1999) is not present in table "pt1".
+
+UPDATE pt1 set d_date = d_date - INTERVAL '4' month where d_date>='1999-05-01' and d_date<'1999-06-01';
+SELECT * FROM pt1 WHERE d_date<'1999-07-01';
+          d_date
+--------------------------
+ Fri Jan 01 00:00:00 1999
+ Sat Jan 02 00:00:00 1999
+ Tue Jan 19 00:00:00 1999
+ Wed Jan 20 00:00:00 1999
+ Tue Jun 01 00:00:00 1999
+ Wed Jun 02 00:00:00 1999
+ Sat Jun 19 00:00:00 1999
+ Sun Jun 20 00:00:00 1999
+(8 rows)
+
+
+SELECT * FROM pt2 WHERE d_date_backup<'1999-07-01';
+          d_date          |      d_date_backup
+--------------------------+--------------------------
+                          | Mon Mar 01 00:00:00 1999
+                          | Tue Mar 02 00:00:00 1999
+                          | Fri Mar 19 00:00:00 1999
+                          | Sat Mar 20 00:00:00 1999
+                          | Thu Apr 01 00:00:00 1999
+                          | Fri Apr 02 00:00:00 1999
+                          | Mon Apr 19 00:00:00 1999
+                          | Tue Apr 20 00:00:00 1999
+                          | Sat May 01 00:00:00 1999
+                          | Sun May 02 00:00:00 1999
+                          | Wed May 19 00:00:00 1999
+                          | Thu May 20 00:00:00 1999
+ Tue Jun 01 00:00:00 1999 | Tue Jun 01 00:00:00 1999
+ Wed Jun 02 00:00:00 1999 | Wed Jun 02 00:00:00 1999
+ Sat Jun 19 00:00:00 1999 | Sat Jun 19 00:00:00 1999
+ Sun Jun 20 00:00:00 1999 | Sun Jun 20 00:00:00 1999
+(16 rows)
+
+
+UPDATE pt2 set d_date = d_date - INTERVAL '1' month where d_date>='1999-06-01' and d_date<='1999-07-15';
+ERROR:  insert or update on table "pt2" violates foreign key constraint "test_foreign"
+DETAIL:  Key (d_date)=(Sat May 01 00:00:00 1999) is not present in table "pt1".
+
+UPDATE pt1 set d_date = d_date - INTERVAL '1' month where d_date>='1999-06-01' and d_date<='1999-07-15';
+SELECT * FROM pt1 WHERE d_date<'1999-08-01';
+          d_date
+--------------------------
+ Fri Jan 01 00:00:00 1999
+ Sat Jan 02 00:00:00 1999
+ Tue Jan 19 00:00:00 1999
+ Wed Jan 20 00:00:00 1999
+ Sat May 01 00:00:00 1999
+ Sun May 02 00:00:00 1999
+ Wed May 19 00:00:00 1999
+ Thu May 20 00:00:00 1999
+ Tue Jun 01 00:00:00 1999
+ Wed Jun 02 00:00:00 1999
+ Mon Jul 19 00:00:00 1999
+ Tue Jul 20 00:00:00 1999
+(12 rows)
+
+
+SELECT * FROM pt2 WHERE d_date_backup<'1999-08-01';
+          d_date          |      d_date_backup
+--------------------------+--------------------------
+                          | Mon Mar 01 00:00:00 1999
+                          | Tue Mar 02 00:00:00 1999
+                          | Fri Mar 19 00:00:00 1999
+                          | Sat Mar 20 00:00:00 1999
+                          | Thu Apr 01 00:00:00 1999
+                          | Fri Apr 02 00:00:00 1999
+                          | Mon Apr 19 00:00:00 1999
+                          | Tue Apr 20 00:00:00 1999
+                          | Sat May 01 00:00:00 1999
+                          | Sun May 02 00:00:00 1999
+                          | Wed May 19 00:00:00 1999
+                          | Thu May 20 00:00:00 1999
+                          | Tue Jun 01 00:00:00 1999
+                          | Wed Jun 02 00:00:00 1999
+                          | Sat Jun 19 00:00:00 1999
+                          | Sun Jun 20 00:00:00 1999
+ Mon Jul 19 00:00:00 1999 | Mon Jul 19 00:00:00 1999
+ Tue Jul 20 00:00:00 1999 | Tue Jul 20 00:00:00 1999
+                          | Thu Jul 01 00:00:00 1999
+                          | Fri Jul 02 00:00:00 1999
+(20 rows)
+
+
+DROP TABLE IF EXISTS pt2;
+DROP TABLE IF EXISTS pt1;
+
+CREATE TABLE pt1(
+d_date date UNIQUE
+)partition BY RANGE (d_date) INTERVAL('1 month')
+(PARTITION part1 VALUES LESS THAN ('1900-01-01'));
+NOTICE:  CREATE TABLE / UNIQUE will create implicit index "pt1_d_date_key" for table "pt1"
+
+CREATE TABLE pt2(
+d_date date,
+d_date_backup date
+)partition BY RANGE (d_date_backup) INTERVAL('1 month')
+(PARTITION part1 VALUES LESS THAN ('1900-01-01'));
+
+
+ALTER TABLE pt2 ADD CONSTRAINT test_foreign FOREIGN KEY(d_date) 
+REFERENCES pt1(d_date) on UPDATE RESTRICT ON DELETE RESTRICT;
+
+INSERT INTO pt1 VALUES
+('1999-01-01'),('1999-01-02'),('1999-01-019'),('1999-01-20'),
+('1999-02-01'),('1999-02-02'),('1999-02-19'),('1999-02-20'),
+('1999-03-01'),('1999-03-02'),('1999-03-19'),('1999-03-20'),
+('1999-04-01'),('1999-04-02'),('1999-04-19'),('1999-04-20'),
+('1999-05-01'),('1999-05-02'),('1999-05-19'),('1999-05-20'),
+('1999-06-01'),('1999-06-02'),('1999-06-19'),('1999-06-20'),
+('1999-07-01'),('1999-07-02'),('1999-07-19'),('1999-07-20'),
+('1999-08-01'),('1999-08-02'),('1999-08-19'),('1999-08-20'),
+('1999-09-01'),('1999-09-02'),('1999-09-19'),('1999-09-20'),
+('1999-10-01'),('1999-10-02'),('1999-10-19'),('1999-10-20'),
+('1999-11-01'),('1999-11-02'),('1999-11-19'),('1999-11-20'),
+('1999-12-01'),('1999-12-02'),('1999-12-19'),('1999-12-20');
+
+INSERT INTO pt2 VALUES
+('1999-01-01','1999-01-01'),('1999-01-02','1999-01-02'),
+('1999-01-19','1999-01-19'),('1999-01-20','1999-01-20'),
+('1999-02-01','1999-02-01'),('1999-02-02','1999-02-02'),
+('1999-02-19','1999-02-19'),('1999-02-20','1999-02-20'),
+('1999-03-01','1999-03-01'),('1999-03-02','1999-03-02'),
+('1999-03-19','1999-03-19'),('1999-03-20','1999-03-20'),
+('1999-04-01','1999-04-01'),('1999-04-02','1999-04-02'),
+('1999-04-19','1999-04-19'),('1999-04-20','1999-04-20'),
+('1999-05-01','1999-05-01'),('1999-05-02','1999-05-02'),
+('1999-05-19','1999-05-19'),('1999-05-20','1999-05-20'),
+('1999-06-01','1999-06-01'),('1999-06-02','1999-06-02'),
+('1999-06-19','1999-06-19'),('1999-06-20','1999-06-20'),
+('1999-07-01','1999-07-01'),('1999-07-02','1999-07-02'),
+('1999-07-19','1999-07-19'),('1999-07-20','1999-07-20'),
+('1999-08-01','1999-08-01'),('1999-08-02','1999-08-02'),
+('1999-08-19','1999-08-19'),('1999-08-20','1999-08-20'),
+('1999-09-01','1999-09-01'),('1999-09-02','1999-09-02'),
+('1999-09-19','1999-09-19'),('1999-09-20','1999-09-20'),
+('1999-10-01','1999-10-01'),('1999-10-02','1999-10-02'),
+('1999-10-19','1999-10-19'),('1999-10-20','1999-10-20'),
+('1999-11-01','1999-11-01'),('1999-11-02','1999-11-02'),
+('1999-11-19','1999-11-19'),('1999-11-20','1999-11-20'),
+('1999-12-01','1999-12-01'),('1999-12-02','1999-12-02'),
+('1999-12-19','1999-12-19'),('1999-12-20','1999-12-20'); 
+
+delete from pt2 where pt2.d_date<'1999-03-01';
+select * from pt2 where pt2.d_date<'1999-06-01';
+          d_date          |      d_date_backup
+--------------------------+--------------------------
+ Mon Mar 01 00:00:00 1999 | Mon Mar 01 00:00:00 1999
+ Tue Mar 02 00:00:00 1999 | Tue Mar 02 00:00:00 1999
+ Fri Mar 19 00:00:00 1999 | Fri Mar 19 00:00:00 1999
+ Sat Mar 20 00:00:00 1999 | Sat Mar 20 00:00:00 1999
+ Thu Apr 01 00:00:00 1999 | Thu Apr 01 00:00:00 1999
+ Fri Apr 02 00:00:00 1999 | Fri Apr 02 00:00:00 1999
+ Mon Apr 19 00:00:00 1999 | Mon Apr 19 00:00:00 1999
+ Tue Apr 20 00:00:00 1999 | Tue Apr 20 00:00:00 1999
+ Sat May 01 00:00:00 1999 | Sat May 01 00:00:00 1999
+ Sun May 02 00:00:00 1999 | Sun May 02 00:00:00 1999
+ Wed May 19 00:00:00 1999 | Wed May 19 00:00:00 1999
+ Thu May 20 00:00:00 1999 | Thu May 20 00:00:00 1999
+(12 rows)
+
+
+delete from pt1 where d_date<'1999-05-01';
+ERROR:  update or delete on table "pt1" violates foreign key constraint "test_foreign" on table "pt2"
+DETAIL:  Key (d_date)=(Mon Mar 01 00:00:00 1999) is still referenced from table "pt2".
+
+delete from pt2 where pt2.d_date>'1999-11-15' and pt2.d_date<'1999-12-15';
+SELECT * FROM pt2 WHERE pt2.d_date>='1999-10-01';
+          d_date          |      d_date_backup
+--------------------------+--------------------------
+ Fri Oct 01 00:00:00 1999 | Fri Oct 01 00:00:00 1999
+ Sat Oct 02 00:00:00 1999 | Sat Oct 02 00:00:00 1999
+ Tue Oct 19 00:00:00 1999 | Tue Oct 19 00:00:00 1999
+ Wed Oct 20 00:00:00 1999 | Wed Oct 20 00:00:00 1999
+ Mon Nov 01 00:00:00 1999 | Mon Nov 01 00:00:00 1999
+ Tue Nov 02 00:00:00 1999 | Tue Nov 02 00:00:00 1999
+ Sun Dec 19 00:00:00 1999 | Sun Dec 19 00:00:00 1999
+ Mon Dec 20 00:00:00 1999 | Mon Dec 20 00:00:00 1999
+(8 rows)
+
+
+delete from pt1 where pt1.d_date>'1999-10-15' and pt1.d_date<'1999-11-15';
+ERROR:  update or delete on table "pt1" violates foreign key constraint "test_foreign" on table "pt2"
+DETAIL:  Key (d_date)=(Tue Oct 19 00:00:00 1999) is still referenced from table "pt2".
+
+delete from pt2 where pt2.d_date>='1999-01-01' and pt2.d_date<'1999-05-01';
+delete from pt1 where pt1.d_date>='1999-01-01' and pt1.d_date<'1999-05-01';
+
+UPDATE pt2 set d_date = d_date - INTERVAL '4' month where d_date>='1999-05-01' and d_date<'1999-06-01';
+ERROR:  insert or update on table "pt2" violates foreign key constraint "test_foreign"
+DETAIL:  Key (d_date)=(Fri Jan 01 00:00:00 1999) is not present in table "pt1".
+
+UPDATE pt1 set d_date = d_date - INTERVAL '4' month where d_date>='1999-05-01' and d_date<'1999-06-01';
+ERROR:  update or delete on table "pt1" violates foreign key constraint "test_foreign" on table "pt2"
+DETAIL:  Key (d_date)=(Sat May 01 00:00:00 1999) is still referenced from table "pt2".
+SELECT * FROM pt1 WHERE d_date<'1999-07-01';
+          d_date
+--------------------------
+ Sat May 01 00:00:00 1999
+ Sun May 02 00:00:00 1999
+ Wed May 19 00:00:00 1999
+ Thu May 20 00:00:00 1999
+ Tue Jun 01 00:00:00 1999
+ Wed Jun 02 00:00:00 1999
+ Sat Jun 19 00:00:00 1999
+ Sun Jun 20 00:00:00 1999
+(8 rows)
+
+
+UPDATE pt2 set d_date = d_date - INTERVAL '1' month where d_date>='1999-06-01' and d_date<='1999-07-15';
+
+UPDATE pt1 set d_date = d_date - INTERVAL '5' month where d_date>='1999-06-01' and d_date<='1999-07-15';
+ERROR:  update or delete on table "pt1" violates foreign key constraint "test_foreign" on table "pt2"
+DETAIL:  Key (d_date)=(Tue Jun 01 00:00:00 1999) is still referenced from table "pt2".
+
+delete from pt2 where d_date>='1999-06-01' and d_date<='1999-07-15';
+UPDATE pt1 set d_date = d_date - INTERVAL '5' month where d_date>='1999-06-01' and d_date<='1999-07-15';
+
diff --git a/src/test/regress/expected/partition_trigger.out b/src/test/regress/expected/partition_trigger.out
new file mode 100644
index 0000000000000000000000000000000000000000..5758af80348c305a78b15f0c11e06dacc71cd312
--- /dev/null
+++ b/src/test/regress/expected/partition_trigger.out
@@ -0,0 +1,294 @@
+DROP TABLE IF EXISTS pt2;
+DROP TABLE IF EXISTS pt1;
+DROP FUNCTION IF EXISTS test_function();
+NOTICE:  function test_function() does not exist, skipping
+
+CREATE TABLE pt1(
+                d_date date UNIQUE
+)partition BY RANGE (d_date) INTERVAL('1 month')
+(PARTITION part1 VALUES LESS THAN ('1900-01-01'));
+NOTICE:  CREATE TABLE / UNIQUE will create implicit index "pt1_d_date_key" for table "pt1"
+
+CREATE TABLE pt2(
+                d_date date
+)partition BY RANGE (d_date) INTERVAL('1 month')
+(PARTITION part1 VALUES LESS THAN ('1900-01-01'));
+
+
+INSERT INTO pt1 VALUES
+('1999-01-01'),('1999-01-02'),('1999-01-019'),('1999-01-20'),
+('1999-02-01'),('1999-02-02'),('1999-02-19'),('1999-02-20'),
+('1999-03-01'),('1999-03-02'),('1999-03-19'),('1999-03-20'),
+('1999-04-01'),('1999-04-02'),('1999-04-19'),('1999-04-20'),
+('1999-05-01'),('1999-05-02'),('1999-05-19'),('1999-05-20'),
+('1999-06-01'),('1999-06-02'),('1999-06-19'),('1999-06-20'),
+('1999-07-01'),('1999-07-02'),('1999-07-19'),('1999-07-20'),
+('1999-08-01'),('1999-08-02'),('1999-08-19'),('1999-08-20'),
+('1999-09-01'),('1999-09-02'),('1999-09-19'),('1999-09-20'),
+('1999-10-01'),('1999-10-02'),('1999-10-19'),('1999-10-20'),
+('1999-11-01'),('1999-11-02'),('1999-11-19'),('1999-11-20'),
+('1999-12-01'),('1999-12-02'),('1999-12-19'),('1999-12-20');
+
+INSERT INTO pt2 VALUES
+('1999-01-01'),('1999-01-02'),('1999-01-019'),('1999-01-20'),
+('1999-02-01'),('1999-02-02'),('1999-02-19'),('1999-02-20'),
+('1999-03-01'),('1999-03-02'),('1999-03-19'),('1999-03-20'),
+('1999-04-01'),('1999-04-02'),('1999-04-19'),('1999-04-20'),
+('1999-05-01'),('1999-05-02'),('1999-05-19'),('1999-05-20'),
+('1999-06-01'),('1999-06-02'),('1999-06-19'),('1999-06-20'),
+('1999-07-01'),('1999-07-02'),('1999-07-19'),('1999-07-20'),
+('1999-08-01'),('1999-08-02'),('1999-08-19'),('1999-08-20'),
+('1999-09-01'),('1999-09-02'),('1999-09-19'),('1999-09-20'),
+('1999-10-01'),('1999-10-02'),('1999-10-19'),('1999-10-20'),
+('1999-11-01'),('1999-11-02'),('1999-11-19'),('1999-11-20'),
+('1999-12-01'),('1999-12-02'),('1999-12-19'),('1999-12-20');
+
+
+CREATE FUNCTION test_function()
+RETURNS TRIGGER AS $$
+BEGIN
+  IF(TG_OP = 'DELETE') THEN
+    DELETE FROM pt2 WHERE d_date=OLD.d_date;
+    RETURN OLD;
+  ELSEIF(TG_OP = 'UPDATE') THEN
+    UPDATE pt2 set d_date=NEW.d_date where d_date=OLD.d_date;
+    RETURN NEW;
+  ELSEIF(TG_OP = 'INSERT') THEN
+    INSERT INTO pt2 VALUES(NEW.d_date);
+    RETURN NEW;
+  END IF;
+  RETURN NULL;
+END;
+$$ LANGUAGE plpgsql;
+
+
+CREATE TRIGGER test_trigger
+AFTER INSERT OR UPDATE OR DELETE on pt1
+FOR EACH ROW EXECUTE PROCEDURE test_function();
+
+INSERT INTO pt1 VALUES('2016-01-01');
+UPDATE pt2 set d_date = d_date + INTERVAL '4' month where d_date>='1999-05-01';
+DELETE FROM pt1 WHERE d_date<'1999-05-01';
+SELECT * FROM pt1;
+          d_date
+--------------------------
+ Sat May 01 00:00:00 1999
+ Sun May 02 00:00:00 1999
+ Wed May 19 00:00:00 1999
+ Thu May 20 00:00:00 1999
+ Tue Jun 01 00:00:00 1999
+ Wed Jun 02 00:00:00 1999
+ Sat Jun 19 00:00:00 1999
+ Sun Jun 20 00:00:00 1999
+ Thu Jul 01 00:00:00 1999
+ Fri Jul 02 00:00:00 1999
+ Mon Jul 19 00:00:00 1999
+ Tue Jul 20 00:00:00 1999
+ Sun Aug 01 00:00:00 1999
+ Mon Aug 02 00:00:00 1999
+ Thu Aug 19 00:00:00 1999
+ Fri Aug 20 00:00:00 1999
+ Wed Sep 01 00:00:00 1999
+ Thu Sep 02 00:00:00 1999
+ Sun Sep 19 00:00:00 1999
+ Mon Sep 20 00:00:00 1999
+ Fri Oct 01 00:00:00 1999
+ Sat Oct 02 00:00:00 1999
+ Tue Oct 19 00:00:00 1999
+ Wed Oct 20 00:00:00 1999
+ Mon Nov 01 00:00:00 1999
+ Tue Nov 02 00:00:00 1999
+ Fri Nov 19 00:00:00 1999
+ Sat Nov 20 00:00:00 1999
+ Wed Dec 01 00:00:00 1999
+ Thu Dec 02 00:00:00 1999
+ Sun Dec 19 00:00:00 1999
+ Mon Dec 20 00:00:00 1999
+ Fri Jan 01 00:00:00 2016
+(33 rows)
+
+SELECT * FROM pt2;
+          d_date
+--------------------------
+ Wed Sep 01 00:00:00 1999
+ Thu Sep 02 00:00:00 1999
+ Sun Sep 19 00:00:00 1999
+ Mon Sep 20 00:00:00 1999
+ Fri Oct 01 00:00:00 1999
+ Sat Oct 02 00:00:00 1999
+ Tue Oct 19 00:00:00 1999
+ Wed Oct 20 00:00:00 1999
+ Mon Nov 01 00:00:00 1999
+ Tue Nov 02 00:00:00 1999
+ Fri Nov 19 00:00:00 1999
+ Sat Nov 20 00:00:00 1999
+ Wed Dec 01 00:00:00 1999
+ Thu Dec 02 00:00:00 1999
+ Sun Dec 19 00:00:00 1999
+ Mon Dec 20 00:00:00 1999
+ Sat Jan 01 00:00:00 2000
+ Sun Jan 02 00:00:00 2000
+ Wed Jan 19 00:00:00 2000
+ Thu Jan 20 00:00:00 2000
+ Tue Feb 01 00:00:00 2000
+ Wed Feb 02 00:00:00 2000
+ Sat Feb 19 00:00:00 2000
+ Sun Feb 20 00:00:00 2000
+ Wed Mar 01 00:00:00 2000
+ Thu Mar 02 00:00:00 2000
+ Sun Mar 19 00:00:00 2000
+ Mon Mar 20 00:00:00 2000
+ Sat Apr 01 00:00:00 2000
+ Sun Apr 02 00:00:00 2000
+ Wed Apr 19 00:00:00 2000
+ Thu Apr 20 00:00:00 2000
+ Sun May 01 00:00:00 2016
+(33 rows)
+
+
+DROP TABLE IF EXISTS pt2;
+DROP TABLE IF EXISTS pt1;
+DROP FUNCTION IF EXISTS test_function();
+
+CREATE TABLE pt1(
+                d_date date UNIQUE
+)partition BY RANGE (d_date) INTERVAL('1 month')
+(PARTITION part1 VALUES LESS THAN ('1900-01-01'));
+NOTICE:  CREATE TABLE / UNIQUE will create implicit index "pt1_d_date_key" for table "pt1"
+
+CREATE TABLE pt2(
+                d_date date
+)partition BY RANGE (d_date) INTERVAL('1 month')
+(PARTITION part1 VALUES LESS THAN ('1900-01-01'));
+
+
+INSERT INTO pt1 VALUES
+('1999-01-01'),('1999-01-02'),('1999-01-019'),('1999-01-20'),
+('1999-02-01'),('1999-02-02'),('1999-02-19'),('1999-02-20'),
+('1999-03-01'),('1999-03-02'),('1999-03-19'),('1999-03-20'),
+('1999-04-01'),('1999-04-02'),('1999-04-19'),('1999-04-20'),
+('1999-05-01'),('1999-05-02'),('1999-05-19'),('1999-05-20'),
+('1999-06-01'),('1999-06-02'),('1999-06-19'),('1999-06-20'),
+('1999-07-01'),('1999-07-02'),('1999-07-19'),('1999-07-20'),
+('1999-08-01'),('1999-08-02'),('1999-08-19'),('1999-08-20'),
+('1999-09-01'),('1999-09-02'),('1999-09-19'),('1999-09-20'),
+('1999-10-01'),('1999-10-02'),('1999-10-19'),('1999-10-20'),
+('1999-11-01'),('1999-11-02'),('1999-11-19'),('1999-11-20'),
+('1999-12-01'),('1999-12-02'),('1999-12-19'),('1999-12-20');
+
+INSERT INTO pt2 VALUES
+('1999-01-01'),('1999-01-02'),('1999-01-019'),('1999-01-20'),
+('1999-02-01'),('1999-02-02'),('1999-02-19'),('1999-02-20'),
+('1999-03-01'),('1999-03-02'),('1999-03-19'),('1999-03-20'),
+('1999-04-01'),('1999-04-02'),('1999-04-19'),('1999-04-20'),
+('1999-05-01'),('1999-05-02'),('1999-05-19'),('1999-05-20'),
+('1999-06-01'),('1999-06-02'),('1999-06-19'),('1999-06-20'),
+('1999-07-01'),('1999-07-02'),('1999-07-19'),('1999-07-20'),
+('1999-08-01'),('1999-08-02'),('1999-08-19'),('1999-08-20'),
+('1999-09-01'),('1999-09-02'),('1999-09-19'),('1999-09-20'),
+('1999-10-01'),('1999-10-02'),('1999-10-19'),('1999-10-20'),
+('1999-11-01'),('1999-11-02'),('1999-11-19'),('1999-11-20'),
+('1999-12-01'),('1999-12-02'),('1999-12-19'),('1999-12-20');
+
+
+CREATE FUNCTION test_function()
+RETURNS TRIGGER AS $$
+BEGIN
+  IF(TG_OP = 'DELETE') THEN
+    DELETE FROM pt2 WHERE d_date=OLD.d_date;
+    RETURN OLD;
+  ELSEIF(TG_OP = 'UPDATE') THEN
+    UPDATE pt2 set d_date=NEW.d_date where d_date=OLD.d_date;
+    RETURN NEW;
+  ELSEIF(TG_OP = 'INSERT') THEN
+    INSERT INTO pt2 VALUES(NEW.d_date);
+    RETURN NEW;
+  END IF;
+  RETURN NULL;
+END;
+$$ LANGUAGE plpgsql;
+
+
+CREATE TRIGGER test_trigger
+BEFORE INSERT OR UPDATE OR DELETE on pt1
+FOR EACH ROW EXECUTE PROCEDURE test_function();
+
+INSERT INTO pt1 VALUES('2016-01-01');
+UPDATE pt2 set d_date = d_date + INTERVAL '4' month where d_date>='1999-05-01';
+DELETE FROM pt1 WHERE d_date<'1999-05-01';
+SELECT * FROM pt1;
+          d_date
+--------------------------
+ Sat May 01 00:00:00 1999
+ Sun May 02 00:00:00 1999
+ Wed May 19 00:00:00 1999
+ Thu May 20 00:00:00 1999
+ Tue Jun 01 00:00:00 1999
+ Wed Jun 02 00:00:00 1999
+ Sat Jun 19 00:00:00 1999
+ Sun Jun 20 00:00:00 1999
+ Thu Jul 01 00:00:00 1999
+ Fri Jul 02 00:00:00 1999
+ Mon Jul 19 00:00:00 1999
+ Tue Jul 20 00:00:00 1999
+ Sun Aug 01 00:00:00 1999
+ Mon Aug 02 00:00:00 1999
+ Thu Aug 19 00:00:00 1999
+ Fri Aug 20 00:00:00 1999
+ Wed Sep 01 00:00:00 1999
+ Thu Sep 02 00:00:00 1999
+ Sun Sep 19 00:00:00 1999
+ Mon Sep 20 00:00:00 1999
+ Fri Oct 01 00:00:00 1999
+ Sat Oct 02 00:00:00 1999
+ Tue Oct 19 00:00:00 1999
+ Wed Oct 20 00:00:00 1999
+ Mon Nov 01 00:00:00 1999
+ Tue Nov 02 00:00:00 1999
+ Fri Nov 19 00:00:00 1999
+ Sat Nov 20 00:00:00 1999
+ Wed Dec 01 00:00:00 1999
+ Thu Dec 02 00:00:00 1999
+ Sun Dec 19 00:00:00 1999
+ Mon Dec 20 00:00:00 1999
+ Fri Jan 01 00:00:00 2016
+(33 rows)
+
+SELECT * FROM pt2;
+          d_date
+--------------------------
+ Wed Sep 01 00:00:00 1999
+ Thu Sep 02 00:00:00 1999
+ Sun Sep 19 00:00:00 1999
+ Mon Sep 20 00:00:00 1999
+ Fri Oct 01 00:00:00 1999
+ Sat Oct 02 00:00:00 1999
+ Tue Oct 19 00:00:00 1999
+ Wed Oct 20 00:00:00 1999
+ Mon Nov 01 00:00:00 1999
+ Tue Nov 02 00:00:00 1999
+ Fri Nov 19 00:00:00 1999
+ Sat Nov 20 00:00:00 1999
+ Wed Dec 01 00:00:00 1999
+ Thu Dec 02 00:00:00 1999
+ Sun Dec 19 00:00:00 1999
+ Mon Dec 20 00:00:00 1999
+ Sat Jan 01 00:00:00 2000
+ Sun Jan 02 00:00:00 2000
+ Wed Jan 19 00:00:00 2000
+ Thu Jan 20 00:00:00 2000
+ Tue Feb 01 00:00:00 2000
+ Wed Feb 02 00:00:00 2000
+ Sat Feb 19 00:00:00 2000
+ Sun Feb 20 00:00:00 2000
+ Wed Mar 01 00:00:00 2000
+ Thu Mar 02 00:00:00 2000
+ Sun Mar 19 00:00:00 2000
+ Mon Mar 20 00:00:00 2000
+ Sat Apr 01 00:00:00 2000
+ Sun Apr 02 00:00:00 2000
+ Wed Apr 19 00:00:00 2000
+ Thu Apr 20 00:00:00 2000
+ Sun May 01 00:00:00 2016
+(33 rows)
+
diff --git a/src/test/regress/parallel_schedule10 b/src/test/regress/parallel_schedule10
index 10100e4d0772b6c79b2140f46dfd8401dabd728b..18186d1ef15b03b34181a23702c31298b45d628a 100644
--- a/src/test/regress/parallel_schedule10
+++ b/src/test/regress/parallel_schedule10
@@ -74,3 +74,5 @@ test: with
 
 # run alter object to test pg_object
 #test: pg_object_test
+test: partition_foreign_key
+test: partition_trigger
\ No newline at end of file
diff --git a/src/test/regress/sql/partition_foreign_key.sql b/src/test/regress/sql/partition_foreign_key.sql
new file mode 100644
index 0000000000000000000000000000000000000000..3158d286f4ee1e9371d65bdf9a683671ce095a6a
--- /dev/null
+++ b/src/test/regress/sql/partition_foreign_key.sql
@@ -0,0 +1,312 @@
+DROP TABLE IF EXISTS pt2;
+DROP TABLE IF EXISTS pt1;
+CREATE TABLE pt1(
+                d_date date UNIQUE
+)partition BY RANGE (d_date) INTERVAL('1 day')
+(PARTITION part1 VALUES LESS THAN ('1900-01-01'));
+
+CREATE TABLE pt2(
+                d_date date
+)partition BY RANGE (d_date) INTERVAL('1 day')
+(PARTITION part1 VALUES LESS THAN ('1900-01-01'));
+
+ALTER TABLE pt2 ADD CONSTRAINT test_foreign FOREIGN KEY(d_date)
+REFERENCES pt1(d_date) on UPDATE CASCADE ON DELETE CASCADE;
+
+INSERT into pt1 VALUES('1999-01-01'),('1999-01-02'),('1999-01-03'),('1999-01-04');
+
+INSERT into pt2 VALUES('1999-01-01');
+
+INSERT into pt2 VALUES('2000-01-01');
+
+update pt2 set pt2.d_date = '2000-01-01' where pt2.d_date = '1999-01-01';
+
+update pt2 set pt2.d_date = '1999-01-02' where pt2.d_date = '1999-01-01';
+
+SELECT * FROM pt2;
+
+SELECT * FROM pt2 PARTITION(sys_p2);
+
+delete from pt2;
+INSERT into pt2 VALUES('1999-01-01'), ('1999-01-03'),('1999-01-04');
+
+INSERT into pt1 VALUES('1999-01-08');
+
+INSERT into pt2 VALUES('1999-01-08');
+
+update pt1 set pt1.d_date = '2000-01-01' where pt1.d_date = '1999-01-08';
+
+delete from pt1 where pt1.d_date = '2000-01-01';
+
+DROP TABLE pt2;
+DROP TABLE pt1;
+
+CREATE TABLE pt1(
+                d_date date UNIQUE
+)partition BY RANGE (d_date) INTERVAL('1 month')
+(PARTITION part1 VALUES LESS THAN ('1900-01-01'));
+
+CREATE TABLE pt2(
+                d_date date
+)partition BY RANGE (d_date) INTERVAL('1 month')
+(PARTITION part1 VALUES LESS THAN ('1900-01-01'));
+
+ALTER TABLE pt2 ADD CONSTRAINT test_foreign FOREIGN KEY(d_date)
+REFERENCES pt1(d_date) on UPDATE CASCADE ON DELETE CASCADE;
+
+INSERT INTO pt1 VALUES
+('1999-01-01'),('1999-01-02'),('1999-01-019'),('1999-01-20'),
+('1999-02-01'),('1999-02-02'),('1999-02-19'),('1999-02-20'),
+('1999-03-01'),('1999-03-02'),('1999-03-19'),('1999-03-20'),
+('1999-04-01'),('1999-04-02'),('1999-04-19'),('1999-04-20'),
+('1999-05-01'),('1999-05-02'),('1999-05-19'),('1999-05-20'),
+('1999-06-01'),('1999-06-02'),('1999-06-19'),('1999-06-20'),
+('1999-07-01'),('1999-07-02'),('1999-07-19'),('1999-07-20'),
+('1999-08-01'),('1999-08-02'),('1999-08-19'),('1999-08-20'),
+('1999-09-01'),('1999-09-02'),('1999-09-19'),('1999-09-20'),
+('1999-10-01'),('1999-10-02'),('1999-10-19'),('1999-10-20'),
+('1999-11-01'),('1999-11-02'),('1999-11-19'),('1999-11-20'),
+('1999-12-01'),('1999-12-02'),('1999-12-19'),('1999-12-20');
+
+INSERT INTO pt2 VALUES
+('1999-01-01'),('1999-01-02'),('1999-01-019'),('1999-01-20'),
+('1999-02-01'),('1999-02-02'),('1999-02-19'),('1999-02-20'),
+('1999-03-01'),('1999-03-02'),('1999-03-19'),('1999-03-20'),
+('1999-04-01'),('1999-04-02'),('1999-04-19'),('1999-04-20'),
+('1999-05-01'),('1999-05-02'),('1999-05-19'),('1999-05-20'),
+('1999-06-01'),('1999-06-02'),('1999-06-19'),('1999-06-20'),
+('1999-07-01'),('1999-07-02'),('1999-07-19'),('1999-07-20'),
+('1999-08-01'),('1999-08-02'),('1999-08-19'),('1999-08-20'),
+('1999-09-01'),('1999-09-02'),('1999-09-19'),('1999-09-20'),
+('1999-10-01'),('1999-10-02'),('1999-10-19'),('1999-10-20'),
+('1999-11-01'),('1999-11-02'),('1999-11-19'),('1999-11-20'),
+('1999-12-01'),('1999-12-02'),('1999-12-19'),('1999-12-20');
+
+delete from pt2 where pt2.d_date<'1999-03-01';
+
+select * from pt2 where pt2.d_date<'1999-06-01';
+
+delete from pt1 where pt1.d_date<'1999-05-01';
+
+delete from pt2 where pt2.d_date>'1999-11-15' and pt2.d_date<'1999-12-15';
+SELECT * FROM pt2 WHERE pt2.d_date>='1999-10-01';
+
+delete from pt1 where pt1.d_date>'1999-10-15' and pt1.d_date<'1999-11-15';
+SELECT * FROM pt1 WHERE pt1.d_date>='1999-10-01';
+
+SELECT * FROM pt2 WHERE pt2.d_date>='1999-10-01';
+
+UPDATE pt2 set d_date = d_date - INTERVAL '4' month where d_date>='1999-05-01' and d_date<'1999-06-01';
+
+UPDATE pt1 set d_date = d_date - INTERVAL '4' month where d_date>='1999-05-01' and d_date<'1999-06-01';
+SELECT * FROM pt1 WHERE d_date<'1999-07-01';
+
+SELECT * FROM pt1 WHERE d_date<'1999-07-01';
+
+UPDATE pt2 set d_date = d_date - INTERVAL '1' month where d_date>='1999-06-01' and d_date<='1999-07-15';
+
+UPDATE pt1 set d_date = d_date - INTERVAL '1' month where d_date>='1999-06-01' and d_date<='1999-07-15';
+SELECT * FROM pt1 WHERE d_date<'1999-08-01';
+
+SELECT * FROM pt2 WHERE d_date<'1999-08-01';
+
+DROP TABLE IF EXISTS pt2;
+DROP TABLE IF EXISTS pt1;
+
+CREATE TABLE pt1(
+d_date date UNIQUE
+)partition BY RANGE (d_date) INTERVAL('1 month')
+(PARTITION part1 VALUES LESS THAN ('1900-01-01'))
+;
+
+CREATE TABLE pt2(
+d_date date,
+d_date_backup date
+)partition BY RANGE (d_date_backup) INTERVAL('1 month')
+(PARTITION part1 VALUES LESS THAN ('1900-01-01'));
+
+
+ALTER TABLE pt2 ADD CONSTRAINT test_foreign FOREIGN KEY(d_date)
+REFERENCES pt1(d_date) on UPDATE SET NULL ON DELETE SET NULL;
+
+INSERT INTO pt1 VALUES
+('1999-01-01'),('1999-01-02'),('1999-01-019'),('1999-01-20'),
+('1999-02-01'),('1999-02-02'),('1999-02-19'),('1999-02-20'),
+('1999-03-01'),('1999-03-02'),('1999-03-19'),('1999-03-20'),
+('1999-04-01'),('1999-04-02'),('1999-04-19'),('1999-04-20'),
+('1999-05-01'),('1999-05-02'),('1999-05-19'),('1999-05-20'),
+('1999-06-01'),('1999-06-02'),('1999-06-19'),('1999-06-20'),
+('1999-07-01'),('1999-07-02'),('1999-07-19'),('1999-07-20'),
+('1999-08-01'),('1999-08-02'),('1999-08-19'),('1999-08-20'),
+('1999-09-01'),('1999-09-02'),('1999-09-19'),('1999-09-20'),
+('1999-10-01'),('1999-10-02'),('1999-10-19'),('1999-10-20'),
+('1999-11-01'),('1999-11-02'),('1999-11-19'),('1999-11-20'),
+('1999-12-01'),('1999-12-02'),('1999-12-19'),('1999-12-20');
+
+INSERT INTO pt2 VALUES
+('1999-01-01','1999-01-01'),('1999-01-02','1999-01-02'),
+('1999-01-19','1999-01-19'),('1999-01-20','1999-01-20'),
+('1999-02-01','1999-02-01'),('1999-02-02','1999-02-02'),
+('1999-02-19','1999-02-19'),('1999-02-20','1999-02-20'),
+('1999-03-01','1999-03-01'),('1999-03-02','1999-03-02'),
+('1999-03-19','1999-03-19'),('1999-03-20','1999-03-20'),
+('1999-04-01','1999-04-01'),('1999-04-02','1999-04-02'),
+('1999-04-19','1999-04-19'),('1999-04-20','1999-04-20'),
+('1999-05-01','1999-05-01'),('1999-05-02','1999-05-02'),
+('1999-05-19','1999-05-19'),('1999-05-20','1999-05-20'),
+('1999-06-01','1999-06-01'),('1999-06-02','1999-06-02'),
+('1999-06-19','1999-06-19'),('1999-06-20','1999-06-20'),
+('1999-07-01','1999-07-01'),('1999-07-02','1999-07-02'),
+('1999-07-19','1999-07-19'),('1999-07-20','1999-07-20'),
+('1999-08-01','1999-08-01'),('1999-08-02','1999-08-02'),
+('1999-08-19','1999-08-19'),('1999-08-20','1999-08-20'),
+('1999-09-01','1999-09-01'),('1999-09-02','1999-09-02'),
+('1999-09-19','1999-09-19'),('1999-09-20','1999-09-20'),
+('1999-10-01','1999-10-01'),('1999-10-02','1999-10-02'),
+('1999-10-19','1999-10-19'),('1999-10-20','1999-10-20'),
+('1999-11-01','1999-11-01'),('1999-11-02','1999-11-02'),
+('1999-11-19','1999-11-19'),('1999-11-20','1999-11-20'),
+('1999-12-01','1999-12-01'),('1999-12-02','1999-12-02'),
+('1999-12-19','1999-12-19'),('1999-12-20','1999-12-20');
+
+insert into pt1 VALUES('2000-01-01'),('2000-01-02'),
+('2000-01-19'),('2000-01-20'),
+('2000-02-01'),('2000-02-02'),
+('2000-02-19'),('2000-02-20');
+SELECT * FROM pt1 WHERE d_date>='2000-01-01';
+
+update pt1 set d_date = '2000-02-21' WHERE d_date = '2000-02-20';
+SELECT * FROM pt1 WHERE d_date>='2000-02-01';
+
+DELETE FROM pt1 WHERE d_date = '2000-02-21';
+SELECT * FROM pt1 WHERE d_date>='2000-02-01';
+
+SELECT * FROM pt1 PARTITION FOR('1999-06-16');
+
+INSERT into pt2 VALUES('2020-08-19','2020-08-19');
+
+INSERT into pt2 VALUES('2000-01-01','2000-01-01');
+
+update pt2 set pt2.d_date = '2020-08-13'
+where pt2.d_date = '1999-01-01';
+
+update pt2 set pt2.d_date = '2000-02-01',pt2.d_date_backup = '2000-02-01'
+where pt2.d_date = '2000-01-01';
+
+SELECT * FROM pt2;
+
+SELECT * FROM pt2 PARTITION(sys_p2);
+
+delete from pt2 where pt2.d_date<'1999-03-01';
+select * from pt2 where pt2.d_date<'1999-06-01';
+
+delete from pt1 where d_date<'1999-05-01';
+select * from pt1 where d_date<'1999-06-01';
+
+select * from pt2 where d_date_backup<'1999-06-01';
+
+delete from pt2 where pt2.d_date>'1999-11-15' and pt2.d_date<'1999-12-15';
+SELECT * FROM pt2 WHERE pt2.d_date>='1999-10-01';
+
+delete from pt1 where pt1.d_date>'1999-10-15' and pt1.d_date<'1999-11-15';
+SELECT * FROM pt1 WHERE pt1.d_date>='1999-10-01';
+
+SELECT * FROM pt2 WHERE pt2.d_date_backup>='1999-10-01';
+
+UPDATE pt2 set d_date = d_date - INTERVAL '4' month where d_date>='1999-05-01' and d_date<'1999-06-01';
+
+UPDATE pt1 set d_date = d_date - INTERVAL '4' month where d_date>='1999-05-01' and d_date<'1999-06-01';
+SELECT * FROM pt1 WHERE d_date<'1999-07-01';
+
+SELECT * FROM pt2 WHERE d_date_backup<'1999-07-01';
+
+UPDATE pt2 set d_date = d_date - INTERVAL '1' month where d_date>='1999-06-01' and d_date<='1999-07-15';
+
+UPDATE pt1 set d_date = d_date - INTERVAL '1' month where d_date>='1999-06-01' and d_date<='1999-07-15';
+SELECT * FROM pt1 WHERE d_date<'1999-08-01';
+
+SELECT * FROM pt2 WHERE d_date_backup<'1999-08-01';
+
+DROP TABLE IF EXISTS pt2;
+DROP TABLE IF EXISTS pt1;
+
+CREATE TABLE pt1(
+d_date date UNIQUE
+)partition BY RANGE (d_date) INTERVAL('1 month')
+(PARTITION part1 VALUES LESS THAN ('1900-01-01'));
+
+CREATE TABLE pt2(
+d_date date,
+d_date_backup date
+)partition BY RANGE (d_date_backup) INTERVAL('1 month')
+(PARTITION part1 VALUES LESS THAN ('1900-01-01'));
+
+
+ALTER TABLE pt2 ADD CONSTRAINT test_foreign FOREIGN KEY(d_date) 
+REFERENCES pt1(d_date) on UPDATE RESTRICT ON DELETE RESTRICT;
+
+INSERT INTO pt1 VALUES
+('1999-01-01'),('1999-01-02'),('1999-01-019'),('1999-01-20'),
+('1999-02-01'),('1999-02-02'),('1999-02-19'),('1999-02-20'),
+('1999-03-01'),('1999-03-02'),('1999-03-19'),('1999-03-20'),
+('1999-04-01'),('1999-04-02'),('1999-04-19'),('1999-04-20'),
+('1999-05-01'),('1999-05-02'),('1999-05-19'),('1999-05-20'),
+('1999-06-01'),('1999-06-02'),('1999-06-19'),('1999-06-20'),
+('1999-07-01'),('1999-07-02'),('1999-07-19'),('1999-07-20'),
+('1999-08-01'),('1999-08-02'),('1999-08-19'),('1999-08-20'),
+('1999-09-01'),('1999-09-02'),('1999-09-19'),('1999-09-20'),
+('1999-10-01'),('1999-10-02'),('1999-10-19'),('1999-10-20'),
+('1999-11-01'),('1999-11-02'),('1999-11-19'),('1999-11-20'),
+('1999-12-01'),('1999-12-02'),('1999-12-19'),('1999-12-20');
+
+INSERT INTO pt2 VALUES
+('1999-01-01','1999-01-01'),('1999-01-02','1999-01-02'),
+('1999-01-19','1999-01-19'),('1999-01-20','1999-01-20'),
+('1999-02-01','1999-02-01'),('1999-02-02','1999-02-02'),
+('1999-02-19','1999-02-19'),('1999-02-20','1999-02-20'),
+('1999-03-01','1999-03-01'),('1999-03-02','1999-03-02'),
+('1999-03-19','1999-03-19'),('1999-03-20','1999-03-20'),
+('1999-04-01','1999-04-01'),('1999-04-02','1999-04-02'),
+('1999-04-19','1999-04-19'),('1999-04-20','1999-04-20'),
+('1999-05-01','1999-05-01'),('1999-05-02','1999-05-02'),
+('1999-05-19','1999-05-19'),('1999-05-20','1999-05-20'),
+('1999-06-01','1999-06-01'),('1999-06-02','1999-06-02'),
+('1999-06-19','1999-06-19'),('1999-06-20','1999-06-20'),
+('1999-07-01','1999-07-01'),('1999-07-02','1999-07-02'),
+('1999-07-19','1999-07-19'),('1999-07-20','1999-07-20'),
+('1999-08-01','1999-08-01'),('1999-08-02','1999-08-02'),
+('1999-08-19','1999-08-19'),('1999-08-20','1999-08-20'),
+('1999-09-01','1999-09-01'),('1999-09-02','1999-09-02'),
+('1999-09-19','1999-09-19'),('1999-09-20','1999-09-20'),
+('1999-10-01','1999-10-01'),('1999-10-02','1999-10-02'),
+('1999-10-19','1999-10-19'),('1999-10-20','1999-10-20'),
+('1999-11-01','1999-11-01'),('1999-11-02','1999-11-02'),
+('1999-11-19','1999-11-19'),('1999-11-20','1999-11-20'),
+('1999-12-01','1999-12-01'),('1999-12-02','1999-12-02'),
+('1999-12-19','1999-12-19'),('1999-12-20','1999-12-20'); 
+
+delete from pt2 where pt2.d_date<'1999-03-01';
+select * from pt2 where pt2.d_date<'1999-06-01';
+
+delete from pt1 where d_date<'1999-05-01';
+
+delete from pt2 where pt2.d_date>'1999-11-15' and pt2.d_date<'1999-12-15';
+SELECT * FROM pt2 WHERE pt2.d_date>='1999-10-01';
+
+delete from pt1 where pt1.d_date>'1999-10-15' and pt1.d_date<'1999-11-15';
+
+delete from pt2 where pt2.d_date>='1999-01-01' and pt2.d_date<'1999-05-01';
+delete from pt1 where pt1.d_date>='1999-01-01' and pt1.d_date<'1999-05-01';
+
+UPDATE pt2 set d_date = d_date - INTERVAL '4' month where d_date>='1999-05-01' and d_date<'1999-06-01';
+
+UPDATE pt1 set d_date = d_date - INTERVAL '4' month where d_date>='1999-05-01' and d_date<'1999-06-01';
+SELECT * FROM pt1 WHERE d_date<'1999-07-01';
+
+UPDATE pt2 set d_date = d_date - INTERVAL '1' month where d_date>='1999-06-01' and d_date<='1999-07-15';
+
+UPDATE pt1 set d_date = d_date - INTERVAL '5' month where d_date>='1999-06-01' and d_date<='1999-07-15';
+
+delete from pt2 where d_date>='1999-06-01' and d_date<='1999-07-15';
+UPDATE pt1 set d_date = d_date - INTERVAL '5' month where d_date>='1999-06-01' and d_date<='1999-07-15';
+
diff --git a/src/test/regress/sql/partition_trigger.sql b/src/test/regress/sql/partition_trigger.sql
new file mode 100644
index 0000000000000000000000000000000000000000..38c50e17e7c1d26185f0d083d1f9b17cfe897977
--- /dev/null
+++ b/src/test/regress/sql/partition_trigger.sql
@@ -0,0 +1,143 @@
+DROP TABLE IF EXISTS pt2;
+DROP TABLE IF EXISTS pt1;
+DROP FUNCTION IF EXISTS test_function();
+
+CREATE TABLE pt1(
+                d_date date UNIQUE
+)partition BY RANGE (d_date) INTERVAL('1 month')
+(PARTITION part1 VALUES LESS THAN ('1900-01-01'));
+
+CREATE TABLE pt2(
+                d_date date
+)partition BY RANGE (d_date) INTERVAL('1 month')
+(PARTITION part1 VALUES LESS THAN ('1900-01-01'));
+
+
+INSERT INTO pt1 VALUES
+('1999-01-01'),('1999-01-02'),('1999-01-019'),('1999-01-20'),
+('1999-02-01'),('1999-02-02'),('1999-02-19'),('1999-02-20'),
+('1999-03-01'),('1999-03-02'),('1999-03-19'),('1999-03-20'),
+('1999-04-01'),('1999-04-02'),('1999-04-19'),('1999-04-20'),
+('1999-05-01'),('1999-05-02'),('1999-05-19'),('1999-05-20'),
+('1999-06-01'),('1999-06-02'),('1999-06-19'),('1999-06-20'),
+('1999-07-01'),('1999-07-02'),('1999-07-19'),('1999-07-20'),
+('1999-08-01'),('1999-08-02'),('1999-08-19'),('1999-08-20'),
+('1999-09-01'),('1999-09-02'),('1999-09-19'),('1999-09-20'),
+('1999-10-01'),('1999-10-02'),('1999-10-19'),('1999-10-20'),
+('1999-11-01'),('1999-11-02'),('1999-11-19'),('1999-11-20'),
+('1999-12-01'),('1999-12-02'),('1999-12-19'),('1999-12-20');
+
+INSERT INTO pt2 VALUES
+('1999-01-01'),('1999-01-02'),('1999-01-019'),('1999-01-20'),
+('1999-02-01'),('1999-02-02'),('1999-02-19'),('1999-02-20'),
+('1999-03-01'),('1999-03-02'),('1999-03-19'),('1999-03-20'),
+('1999-04-01'),('1999-04-02'),('1999-04-19'),('1999-04-20'),
+('1999-05-01'),('1999-05-02'),('1999-05-19'),('1999-05-20'),
+('1999-06-01'),('1999-06-02'),('1999-06-19'),('1999-06-20'),
+('1999-07-01'),('1999-07-02'),('1999-07-19'),('1999-07-20'),
+('1999-08-01'),('1999-08-02'),('1999-08-19'),('1999-08-20'),
+('1999-09-01'),('1999-09-02'),('1999-09-19'),('1999-09-20'),
+('1999-10-01'),('1999-10-02'),('1999-10-19'),('1999-10-20'),
+('1999-11-01'),('1999-11-02'),('1999-11-19'),('1999-11-20'),
+('1999-12-01'),('1999-12-02'),('1999-12-19'),('1999-12-20');
+
+
+CREATE FUNCTION test_function()
+RETURNS TRIGGER AS $$
+BEGIN
+  IF(TG_OP = 'DELETE') THEN
+    DELETE FROM pt2 WHERE d_date=OLD.d_date;
+    RETURN OLD;
+  ELSEIF(TG_OP = 'UPDATE') THEN
+    UPDATE pt2 set d_date=NEW.d_date where d_date=OLD.d_date;
+    RETURN NEW;
+  ELSEIF(TG_OP = 'INSERT') THEN
+    INSERT INTO pt2 VALUES(NEW.d_date);
+    RETURN NEW;
+  END IF;
+  RETURN NULL;
+END;
+$$ LANGUAGE plpgsql;
+
+
+CREATE TRIGGER test_trigger
+AFTER INSERT OR UPDATE OR DELETE on pt1
+FOR EACH ROW EXECUTE PROCEDURE test_function();
+
+INSERT INTO pt1 VALUES('2016-01-01');
+UPDATE pt2 set d_date = d_date + INTERVAL '4' month where d_date>='1999-05-01';
+DELETE FROM pt1 WHERE d_date<'1999-05-01';
+SELECT * FROM pt1;
+SELECT * FROM pt2;
+
+DROP TABLE IF EXISTS pt2;
+DROP TABLE IF EXISTS pt1;
+DROP FUNCTION IF EXISTS test_function();
+
+CREATE TABLE pt1(
+                d_date date UNIQUE
+)partition BY RANGE (d_date) INTERVAL('1 month')
+(PARTITION part1 VALUES LESS THAN ('1900-01-01'));
+
+CREATE TABLE pt2(
+                d_date date
+)partition BY RANGE (d_date) INTERVAL('1 month')
+(PARTITION part1 VALUES LESS THAN ('1900-01-01'));
+
+
+INSERT INTO pt1 VALUES
+('1999-01-01'),('1999-01-02'),('1999-01-019'),('1999-01-20'),
+('1999-02-01'),('1999-02-02'),('1999-02-19'),('1999-02-20'),
+('1999-03-01'),('1999-03-02'),('1999-03-19'),('1999-03-20'),
+('1999-04-01'),('1999-04-02'),('1999-04-19'),('1999-04-20'),
+('1999-05-01'),('1999-05-02'),('1999-05-19'),('1999-05-20'),
+('1999-06-01'),('1999-06-02'),('1999-06-19'),('1999-06-20'),
+('1999-07-01'),('1999-07-02'),('1999-07-19'),('1999-07-20'),
+('1999-08-01'),('1999-08-02'),('1999-08-19'),('1999-08-20'),
+('1999-09-01'),('1999-09-02'),('1999-09-19'),('1999-09-20'),
+('1999-10-01'),('1999-10-02'),('1999-10-19'),('1999-10-20'),
+('1999-11-01'),('1999-11-02'),('1999-11-19'),('1999-11-20'),
+('1999-12-01'),('1999-12-02'),('1999-12-19'),('1999-12-20');
+
+INSERT INTO pt2 VALUES
+('1999-01-01'),('1999-01-02'),('1999-01-019'),('1999-01-20'),
+('1999-02-01'),('1999-02-02'),('1999-02-19'),('1999-02-20'),
+('1999-03-01'),('1999-03-02'),('1999-03-19'),('1999-03-20'),
+('1999-04-01'),('1999-04-02'),('1999-04-19'),('1999-04-20'),
+('1999-05-01'),('1999-05-02'),('1999-05-19'),('1999-05-20'),
+('1999-06-01'),('1999-06-02'),('1999-06-19'),('1999-06-20'),
+('1999-07-01'),('1999-07-02'),('1999-07-19'),('1999-07-20'),
+('1999-08-01'),('1999-08-02'),('1999-08-19'),('1999-08-20'),
+('1999-09-01'),('1999-09-02'),('1999-09-19'),('1999-09-20'),
+('1999-10-01'),('1999-10-02'),('1999-10-19'),('1999-10-20'),
+('1999-11-01'),('1999-11-02'),('1999-11-19'),('1999-11-20'),
+('1999-12-01'),('1999-12-02'),('1999-12-19'),('1999-12-20');
+
+
+CREATE FUNCTION test_function()
+RETURNS TRIGGER AS $$
+BEGIN
+  IF(TG_OP = 'DELETE') THEN
+    DELETE FROM pt2 WHERE d_date=OLD.d_date;
+    RETURN OLD;
+  ELSEIF(TG_OP = 'UPDATE') THEN
+    UPDATE pt2 set d_date=NEW.d_date where d_date=OLD.d_date;
+    RETURN NEW;
+  ELSEIF(TG_OP = 'INSERT') THEN
+    INSERT INTO pt2 VALUES(NEW.d_date);
+    RETURN NEW;
+  END IF;
+  RETURN NULL;
+END;
+$$ LANGUAGE plpgsql;
+
+
+CREATE TRIGGER test_trigger
+BEFORE INSERT OR UPDATE OR DELETE on pt1
+FOR EACH ROW EXECUTE PROCEDURE test_function();
+
+INSERT INTO pt1 VALUES('2016-01-01');
+UPDATE pt2 set d_date = d_date + INTERVAL '4' month where d_date>='1999-05-01';
+DELETE FROM pt1 WHERE d_date<'1999-05-01';
+SELECT * FROM pt1;
+SELECT * FROM pt2;
\ No newline at end of file