47 lines
1.5 KiB
RPMSpec
47 lines
1.5 KiB
RPMSpec
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# Test interaction between concurrent transactions performing
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# refresh_immv and insert in READ COMMITTED isolation level
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setup
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{
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CREATE TABLE a (i int);
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INSERT INTO a VALUES (1);
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SELECT pgivm.create_immv('mv(x,y)', 'SELECT * FROM a a1, a a2 WHERE a1.i = a2.i');
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CREATE VIEW v(x,y) AS SELECT * FROM a AS a1, a AS a2 WHERE a1.i = a2.i;
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CREATE FUNCTION check_mv() RETURNS text AS
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$$ SELECT CASE WHEN count(*) = 0 THEN 'ok' ELSE 'ng' END
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FROM ((SELECT * FROM mv EXCEPT ALL SELECT * FROM v) UNION ALL
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(SELECT * FROM v EXCEPT ALL SELECT * FROM mv)) $$ 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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}
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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 refresh { SELECT pgivm.refresh_immv('mv', true); }
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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; 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 insert { INSERT INTO a VALUES (2); }
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step check2 {SELECT check_mv(); }
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step c2 { COMMIT; }
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permutation s1 refresh s2 insert c1 check2 c2 mv
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permutation s1 refresh s2 c1 insert check2 c2 mv
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permutation s1 s2 refresh insert c1 check2 c2 mv
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permutation s1 s2 insert refresh c2 check1 c1 mv
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permutation s1 s2 refresh c1 insert check2 c2 mv
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permutation s2 insert s1 refresh c2 check1 c1 mv
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permutation s2 insert s1 c2 refresh check1 c1 mv
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permutation s2 s1 insert c2 refresh check1 c1 mv
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