77 lines
2.7 KiB
Python
77 lines
2.7 KiB
Python
setup
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{
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CREATE TABLE pk_noparted (
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a int PRIMARY KEY
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);
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CREATE TABLE fk_parted_pk (
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a int PRIMARY KEY REFERENCES pk_noparted ON DELETE CASCADE
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) PARTITION BY LIST (a);
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CREATE TABLE fk_parted_pk_1 PARTITION OF fk_parted_pk FOR VALUES IN (1);
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CREATE TABLE fk_parted_pk_2 PARTITION OF fk_parted_pk FOR VALUES IN (2);
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CREATE TABLE fk_noparted (
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a int REFERENCES fk_parted_pk ON DELETE NO ACTION INITIALLY DEFERRED
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);
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CREATE TABLE fk_noparted_sn (
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a int REFERENCES pk_noparted ON DELETE SET NULL
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);
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INSERT INTO pk_noparted VALUES (1);
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INSERT INTO fk_parted_pk VALUES (1);
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INSERT INTO fk_noparted VALUES (1);
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}
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teardown
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{
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DROP TABLE pk_noparted, fk_parted_pk, fk_noparted, fk_noparted_sn;
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}
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session s1
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step s1brr { BEGIN ISOLATION LEVEL REPEATABLE READ; }
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step s1brc { BEGIN ISOLATION LEVEL READ COMMITTED; }
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step s1ifp2 { INSERT INTO fk_parted_pk VALUES (2); }
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step s1ifp1 { INSERT INTO fk_parted_pk VALUES (1); }
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step s1ifn2 { INSERT INTO fk_noparted_sn VALUES (2); }
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step s1dfp { DELETE FROM fk_parted_pk WHERE a = 1; }
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step s1c { COMMIT; }
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step s1sfp { SELECT * FROM fk_parted_pk; }
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step s1sp { SELECT * FROM pk_noparted; }
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step s1sfn { SELECT * FROM fk_noparted; }
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session s2
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step s2brr { BEGIN ISOLATION LEVEL REPEATABLE READ; }
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step s2brc { BEGIN ISOLATION LEVEL READ COMMITTED; }
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step s2ip2 { INSERT INTO pk_noparted VALUES (2); }
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step s2dp2 { DELETE FROM pk_noparted WHERE a = 2; }
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step s2ifn2 { INSERT INTO fk_noparted VALUES (2); }
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step s2c { COMMIT; }
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step s2sfp { SELECT * FROM fk_parted_pk; }
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step s2sfn { SELECT * FROM fk_noparted; }
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# inserting into referencing tables in transaction-snapshot mode
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# PK table is non-partitioned
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permutation s1brr s2brc s2ip2 s1sp s2c s1sp s1ifp2 s1c s1sfp
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# PK table is partitioned: buggy, because s2's serialization transaction can
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# see the uncommitted row thanks to the latest snapshot taken for
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# partition lookup to work correctly also ends up getting used by the PK index
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# scan
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permutation s2ip2 s2brr s1brc s1ifp2 s2sfp s1c s2sfp s2ifn2 s2c s2sfn
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# inserting into referencing tables in up-to-date snapshot mode
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permutation s1brc s2brc s2ip2 s1sp s2c s1sp s1ifp2 s2brc s2sfp s1c s1sfp s2ifn2 s2c s2sfn
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# deleting a referenced row and then inserting again in the same transaction; works
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# the same no matter the snapshot mode
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permutation s1brr s1dfp s1ifp1 s1c s1sfn
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permutation s1brc s1dfp s1ifp1 s1c s1sfn
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# trying to delete a row through DELETE CASCADE, whilst that row is deleted
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# in a concurrent transaction
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permutation s2ip2 s1brr s1ifp2 s2brr s2dp2 s1c s2c
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# trying to update a row through DELETE SET NULL, whilst that row is deleted
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# in a concurrent transaction
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permutation s2ip2 s1brr s1ifn2 s2brr s2dp2 s1c s2c
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