2 files changed, 42 insertions, 0 deletions
diff --git a/src/test/regress/expected/constraints.out b/src/test/regress/expected/constraints.out
index 05b7244e4a7..e6f6602d953 100644
--- a/src/test/regress/expected/constraints.out
+++ b/src/test/regress/expected/constraints.out
@@ -603,6 +603,29 @@ COMMIT;
 ERROR:  duplicate key value violates unique constraint "parted_uniq_tbl_1_i_key"
 DETAIL:  Key (i)=(1) already exists.
 DROP TABLE parted_uniq_tbl;
+-- test naming a constraint in a partition when a conflict exists
+CREATE TABLE parted_fk_naming (
+    id bigint NOT NULL default 1,
+    id_abc bigint,
+    CONSTRAINT dummy_constr FOREIGN KEY (id_abc)
+        REFERENCES parted_fk_naming (id),
+    PRIMARY KEY (id)
+)
+PARTITION BY LIST (id);
+CREATE TABLE parted_fk_naming_1 (
+    id bigint NOT NULL default 1,
+    id_abc bigint,
+    PRIMARY KEY (id),
+    CONSTRAINT dummy_constr CHECK (true)
+);
+ALTER TABLE parted_fk_naming ATTACH PARTITION parted_fk_naming_1 FOR VALUES IN ('1');
+SELECT conname FROM pg_constraint WHERE conrelid = 'parted_fk_naming_1'::regclass AND contype = 'f';
+            conname             
+--------------------------------
+ parted_fk_naming_1_id_abc_fkey
+(1 row)
+
+DROP TABLE parted_fk_naming;
 -- test a HOT update that invalidates the conflicting tuple.
 -- the trigger should still fire and catch the violation
 BEGIN;
diff --git a/src/test/regress/sql/constraints.sql b/src/test/regress/sql/constraints.sql
index 833819a32e2..5ffcd4ffc7b 100644
--- a/src/test/regress/sql/constraints.sql
+++ b/src/test/regress/sql/constraints.sql
@@ -430,6 +430,25 @@ INSERT INTO parted_uniq_tbl VALUES (1);	-- OK now, fail at commit
 COMMIT;
 DROP TABLE parted_uniq_tbl;
 
+-- test naming a constraint in a partition when a conflict exists
+CREATE TABLE parted_fk_naming (
+    id bigint NOT NULL default 1,
+    id_abc bigint,
+    CONSTRAINT dummy_constr FOREIGN KEY (id_abc)
+        REFERENCES parted_fk_naming (id),
+    PRIMARY KEY (id)
+)
+PARTITION BY LIST (id);
+CREATE TABLE parted_fk_naming_1 (
+    id bigint NOT NULL default 1,
+    id_abc bigint,
+    PRIMARY KEY (id),
+    CONSTRAINT dummy_constr CHECK (true)
+);
+ALTER TABLE parted_fk_naming ATTACH PARTITION parted_fk_naming_1 FOR VALUES IN ('1');
+SELECT conname FROM pg_constraint WHERE conrelid = 'parted_fk_naming_1'::regclass AND contype = 'f';
+DROP TABLE parted_fk_naming;
+
 -- test a HOT update that invalidates the conflicting tuple.
 -- the trigger should still fire and catch the violation