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Increase test coverage in RI_Initial_Check()

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This covers the special error handling of FKCONSTR_MATCH_FULL.

Reviewed-by: Alvaro Herrera <alvherre@2ndquadrant.com>
Reviewed-by: Mi Tar <mmitar@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/7ae17c95-0c99-d420-032a-c271f510112b@2ndquadrant.com/
This commit is contained in:
Peter Eisentraut 2019-01-16 16:53:55 +01:00
parent 45ed6e1ae0
commit 304e9f031b
2 changed files with 34 additions and 0 deletions
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17
src/test/regress/expected/foreign_key.out
View File

@ -339,6 +339,18 @@ SELECT * FROM PKTABLE;
0 | Test4
(4 rows)
DROP TABLE FKTABLE;
DROP TABLE PKTABLE;
--
-- Check initial check upon ALTER TABLE
--
CREATE TABLE PKTABLE ( ptest1 int, ptest2 int, PRIMARY KEY(ptest1, ptest2) );
CREATE TABLE FKTABLE ( ftest1 int, ftest2 int );
INSERT INTO PKTABLE VALUES (1, 2);
INSERT INTO FKTABLE VALUES (1, NULL);
ALTER TABLE FKTABLE ADD FOREIGN KEY(ftest1, ftest2) REFERENCES PKTABLE MATCH FULL;
ERROR: insert or update on table "fktable" violates foreign key constraint "fktable_ftest1_fkey"
DETAIL: MATCH FULL does not allow mixing of null and nonnull key values.
DROP TABLE FKTABLE;
DROP TABLE PKTABLE;
-- MATCH SIMPLE
@ -1607,6 +1619,11 @@ INSERT INTO fk_partitioned_fk (a,b) VALUES (NULL, NULL);
INSERT INTO fk_notpartitioned_pk VALUES (1, 2);
CREATE TABLE fk_partitioned_fk_full (x int, y int) PARTITION BY RANGE (x);
CREATE TABLE fk_partitioned_fk_full_1 PARTITION OF fk_partitioned_fk_full DEFAULT;
INSERT INTO fk_partitioned_fk_full VALUES (1, NULL);
ALTER TABLE fk_partitioned_fk_full ADD FOREIGN KEY (x, y) REFERENCES fk_notpartitioned_pk MATCH FULL; -- fails
ERROR: insert or update on table "fk_partitioned_fk_full" violates foreign key constraint "fk_partitioned_fk_full_x_fkey"
DETAIL: MATCH FULL does not allow mixing of null and nonnull key values.
TRUNCATE fk_partitioned_fk_full;
ALTER TABLE fk_partitioned_fk_full ADD FOREIGN KEY (x, y) REFERENCES fk_notpartitioned_pk MATCH FULL;
INSERT INTO fk_partitioned_fk_full VALUES (1, NULL); -- fails
ERROR: insert or update on table "fk_partitioned_fk_full_1" violates foreign key constraint "fk_partitioned_fk_full_x_fkey"

17
src/test/regress/sql/foreign_key.sql
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@ -219,6 +219,20 @@ SELECT * FROM PKTABLE;
DROP TABLE FKTABLE;
DROP TABLE PKTABLE;
--
-- Check initial check upon ALTER TABLE
--
CREATE TABLE PKTABLE ( ptest1 int, ptest2 int, PRIMARY KEY(ptest1, ptest2) );
CREATE TABLE FKTABLE ( ftest1 int, ftest2 int );
INSERT INTO PKTABLE VALUES (1, 2);
INSERT INTO FKTABLE VALUES (1, NULL);
ALTER TABLE FKTABLE ADD FOREIGN KEY(ftest1, ftest2) REFERENCES PKTABLE MATCH FULL;
DROP TABLE FKTABLE;
DROP TABLE PKTABLE;
-- MATCH SIMPLE
@ -1214,6 +1228,9 @@ INSERT INTO fk_partitioned_fk (a,b) VALUES (NULL, NULL);
INSERT INTO fk_notpartitioned_pk VALUES (1, 2);
CREATE TABLE fk_partitioned_fk_full (x int, y int) PARTITION BY RANGE (x);
CREATE TABLE fk_partitioned_fk_full_1 PARTITION OF fk_partitioned_fk_full DEFAULT;
INSERT INTO fk_partitioned_fk_full VALUES (1, NULL);
ALTER TABLE fk_partitioned_fk_full ADD FOREIGN KEY (x, y) REFERENCES fk_notpartitioned_pk MATCH FULL; -- fails
TRUNCATE fk_partitioned_fk_full;
ALTER TABLE fk_partitioned_fk_full ADD FOREIGN KEY (x, y) REFERENCES fk_notpartitioned_pk MATCH FULL;
INSERT INTO fk_partitioned_fk_full VALUES (1, NULL); -- fails
DROP TABLE fk_partitioned_fk_full;