mirror of https://github.com/postgres/postgres
And:
Note, Bruce I found in the contrib tree any files that we forget
remove during contrib cleaning. Please remove these files:
contrib/lo/test.sql
contrib/pg_dumplo/Makefile.out
contrib/pgbench/pgbench_jis.doc
contrib/spi/new_example.example
contrib/spi/README.MAX
Thanks.
Karel
REL7_1_STABLE
parent
efcff3da16
commit
d66a8c7c47
@ -1,68 +0,0 @@ |
||||
--Column ID of table A is primary key: |
||||
|
||||
CREATE TABLE A ( |
||||
ID int4 not null, |
||||
id1 int4 not null, |
||||
primary key (ID,ID1) |
||||
); |
||||
|
||||
--Columns REFB of table B and REFC of C are foreign keys referenting ID of A: |
||||
|
||||
CREATE TABLE B ( |
||||
REFB int4, |
||||
REFB1 INT4 |
||||
); |
||||
CREATE INDEX BI ON B (REFB); |
||||
|
||||
CREATE TABLE C ( |
||||
REFC int4, |
||||
REFC1 int4 |
||||
); |
||||
CREATE INDEX CI ON C (REFC); |
||||
|
||||
--Trigger for table A: |
||||
|
||||
CREATE TRIGGER AT BEFORE DELETE ON A FOR EACH ROW |
||||
EXECUTE PROCEDURE |
||||
check_foreign_key (2, 'cascade', 'ID','id1', 'B', 'REFB','REFB1', 'C', 'REFC','REFC1'); |
||||
|
||||
|
||||
CREATE TRIGGER AT1 AFTER UPDATE ON A FOR EACH ROW |
||||
EXECUTE PROCEDURE |
||||
check_foreign_key (2, 'cascade', 'ID','id1', 'B', 'REFB','REFB1', 'C', 'REFC','REFC1'); |
||||
|
||||
|
||||
CREATE TRIGGER BT BEFORE INSERT OR UPDATE ON B FOR EACH ROW |
||||
EXECUTE PROCEDURE |
||||
check_primary_key ('REFB','REFB1', 'A', 'ID','ID1'); |
||||
|
||||
CREATE TRIGGER CT BEFORE INSERT OR UPDATE ON C FOR EACH ROW |
||||
EXECUTE PROCEDURE |
||||
check_primary_key ('REFC','REFC1', 'A', 'ID','ID1'); |
||||
|
||||
|
||||
|
||||
-- Now try |
||||
|
||||
INSERT INTO A VALUES (10,10); |
||||
INSERT INTO A VALUES (20,20); |
||||
INSERT INTO A VALUES (30,30); |
||||
INSERT INTO A VALUES (40,41); |
||||
INSERT INTO A VALUES (50,50); |
||||
|
||||
INSERT INTO B VALUES (1); -- invalid reference |
||||
INSERT INTO B VALUES (10,10); |
||||
INSERT INTO B VALUES (30,30); |
||||
INSERT INTO B VALUES (30,30); |
||||
|
||||
INSERT INTO C VALUES (11); -- invalid reference |
||||
INSERT INTO C VALUES (20,20); |
||||
INSERT INTO C VALUES (20,21); |
||||
INSERT INTO C VALUES (30,30); |
||||
|
||||
-- now update work well |
||||
update A set ID = 100 , ID1 = 199 where ID=30 ; |
||||
|
||||
SELECT * FROM A; |
||||
SELECT * FROM B; |
||||
SELECT * FROM C; |
||||
Loading…
Reference in new issue