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
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@ -1,68 +0,0 @@ |
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--Column ID of table A is primary key: |
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CREATE TABLE A ( |
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ID int4 not null, |
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id1 int4 not null, |
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primary key (ID,ID1) |
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); |
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--Columns REFB of table B and REFC of C are foreign keys referenting ID of A: |
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CREATE TABLE B ( |
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REFB int4, |
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REFB1 INT4 |
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); |
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CREATE INDEX BI ON B (REFB); |
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CREATE TABLE C ( |
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REFC int4, |
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REFC1 int4 |
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); |
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CREATE INDEX CI ON C (REFC); |
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--Trigger for table A: |
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CREATE TRIGGER AT BEFORE DELETE ON A FOR EACH ROW |
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EXECUTE PROCEDURE |
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check_foreign_key (2, 'cascade', 'ID','id1', 'B', 'REFB','REFB1', 'C', 'REFC','REFC1'); |
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CREATE TRIGGER AT1 AFTER UPDATE ON A FOR EACH ROW |
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EXECUTE PROCEDURE |
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check_foreign_key (2, 'cascade', 'ID','id1', 'B', 'REFB','REFB1', 'C', 'REFC','REFC1'); |
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CREATE TRIGGER BT BEFORE INSERT OR UPDATE ON B FOR EACH ROW |
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EXECUTE PROCEDURE |
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check_primary_key ('REFB','REFB1', 'A', 'ID','ID1'); |
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CREATE TRIGGER CT BEFORE INSERT OR UPDATE ON C FOR EACH ROW |
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EXECUTE PROCEDURE |
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check_primary_key ('REFC','REFC1', 'A', 'ID','ID1'); |
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-- Now try |
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INSERT INTO A VALUES (10,10); |
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INSERT INTO A VALUES (20,20); |
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INSERT INTO A VALUES (30,30); |
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INSERT INTO A VALUES (40,41); |
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INSERT INTO A VALUES (50,50); |
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INSERT INTO B VALUES (1); -- invalid reference |
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INSERT INTO B VALUES (10,10); |
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INSERT INTO B VALUES (30,30); |
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INSERT INTO B VALUES (30,30); |
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INSERT INTO C VALUES (11); -- invalid reference |
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INSERT INTO C VALUES (20,20); |
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INSERT INTO C VALUES (20,21); |
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INSERT INTO C VALUES (30,30); |
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-- now update work well |
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update A set ID = 100 , ID1 = 199 where ID=30 ; |
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SELECT * FROM A; |
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SELECT * FROM B; |
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SELECT * FROM C; |
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Loading…
Reference in new issue