966a865d60
- Not use List APIs for xid that are introduced from PostgreSQL 16 - Fix an error during isolation test ERROR: subquery in FROM must have an alias - Not use isolation test for PostgreSQL 13
62 lines
2.2 KiB
Python
62 lines
2.2 KiB
Python
# Test interaction between concurrent transactions performing
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# table modifications in READ COMMITTED isolation level
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setup
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{
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CREATE TABLE a (i int, j int);
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CREATE TABLE b (i int, j int);
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INSERT INTO a VALUES (1,10);
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INSERT INTO b VALUES (1,100);
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SELECT pgivm.create_immv('mv(x,y,z)',
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'SELECT a1.j, a2.j,b.j FROM a AS a1, a AS a2,b WHERE a1.i = a2.i AND a1.i = b.i');
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CREATE VIEW v(x,y,z) AS
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SELECT a1.j, a2.j,b.j FROM a AS a1, a AS a2,b WHERE a1.i = a2.i AND a1.i = b.i;
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CREATE FUNCTION check_mv() RETURNS text AS
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$$ SELECT CASE WHEN count(*) = 0 THEN 'ok' ELSE 'ng' END
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FROM ((SELECT * FROM mv EXCEPT ALL SELECT * FROM v) UNION ALL
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(SELECT * FROM v EXCEPT ALL SELECT * FROM mv)) v $$ LANGUAGE sql;
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}
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teardown
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{
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DROP FUNCTION check_mv();
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DROP TABLE mv;
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DROP VIEW v;
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DROP TABLE a;
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DROP TABLE b;
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}
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session tx1
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setup { BEGIN TRANSACTION ISOLATION LEVEL READ COMMITTED; }
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step s1 { SELECT; }
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step insert1 { INSERT INTO a VALUES (2,20); INSERT INTO b VALUES (2,200); }
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step update1 { UPDATE a SET j = 11 WHERE i = 1; }
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step check1 { SELECT check_mv();}
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step c1 { COMMIT; }
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step mv { SELECT * FROM mv ORDER BY 1,2,3; SELECT check_mv(); }
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session tx2
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setup { BEGIN TRANSACTION ISOLATION LEVEL READ COMMITTED; }
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step s2 { SELECT; }
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step insert2 { INSERT INTO a VALUES (1,11), (2,21); INSERT INTO b VALUES (2,201); }
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step update2 { UPDATE b SET j = 111 WHERE i = 1; }
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step check2 { SELECT check_mv(); }
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step c2 { COMMIT; }
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permutation s1 update1 s2 update2 c1 check2 c2 mv
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permutation s1 update1 s2 c1 update2 check2 c2 mv
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permutation s1 s2 update1 update2 c1 check2 c2 mv
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permutation s1 s2 update2 update1 c2 check1 c1 mv
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permutation s1 s2 update1 c1 update2 check2 c2 mv
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permutation s2 update2 s1 update1 c2 check1 c1 mv
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permutation s2 update2 s1 c2 update1 check1 c1 mv
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permutation s2 s1 update2 c2 update1 check1 c1 mv
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permutation s1 insert1 s2 insert2 c1 check2 c2 mv
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permutation s1 insert1 s2 c1 insert2 check2 c2 mv
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permutation s1 s2 insert1 insert2 c1 check2 c2 mv
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permutation s1 s2 insert2 insert1 c2 check1 c1 mv
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permutation s1 s2 insert1 c1 insert2 check2 c2 mv
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permutation s2 insert2 s1 insert1 c2 check1 c1 mv
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permutation s2 insert2 s1 c2 insert1 check1 c1 mv
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permutation s2 s1 insert2 c2 insert1 check1 c1 mv
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