77 lines
2.7 KiB
Ruby
77 lines
2.7 KiB
Ruby
# Test that a row that ends up in a new partition contains changes made by
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# a concurrent transaction.
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setup
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{
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--
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-- Setup to test concurrent handling of ExecDelete().
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--
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CREATE TABLE foo (a int, b text) PARTITION BY LIST(a);
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CREATE TABLE foo1 PARTITION OF foo FOR VALUES IN (1);
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CREATE TABLE foo2 PARTITION OF foo FOR VALUES IN (2);
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INSERT INTO foo VALUES (1, 'ABC');
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--
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-- Setup to test concurrent handling of GetTupleForTrigger().
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--
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CREATE TABLE footrg (a int, b text) PARTITION BY LIST(a);
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CREATE TABLE triglog as select * from footrg;
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CREATE TABLE footrg1 PARTITION OF footrg FOR VALUES IN (1);
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CREATE TABLE footrg2 PARTITION OF footrg FOR VALUES IN (2);
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INSERT INTO footrg VALUES (1, 'ABC');
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CREATE FUNCTION func_footrg() RETURNS TRIGGER AS $$
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BEGIN
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OLD.b = OLD.b || ' trigger';
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-- This will verify that the trigger is not run *before* the row is
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-- refetched by EvalPlanQual. The OLD row should contain the changes made
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-- by the concurrent session.
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INSERT INTO triglog select OLD.*;
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RETURN OLD;
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END $$ LANGUAGE PLPGSQL;
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CREATE TRIGGER footrg_ondel BEFORE DELETE ON footrg1
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FOR EACH ROW EXECUTE PROCEDURE func_footrg();
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}
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teardown
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{
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DROP TABLE foo;
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DROP TRIGGER footrg_ondel ON footrg1;
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DROP FUNCTION func_footrg();
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DROP TABLE footrg;
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DROP TABLE triglog;
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}
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session "s1"
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step "s1b" { BEGIN ISOLATION LEVEL READ COMMITTED; }
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step "s1u" { UPDATE foo SET a = a + 1, b = b || ' update1' WHERE b like '%ABC%'; }
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step "s1ut" { UPDATE footrg SET a = a + 1, b = b || ' update1' WHERE b like '%ABC%'; }
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step "s1s" { SELECT tableoid::regclass, * FROM foo ORDER BY a; }
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step "s1st" { SELECT tableoid::regclass, * FROM footrg ORDER BY a; }
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step "s1stl" { SELECT * FROM triglog ORDER BY a; }
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step "s1c" { COMMIT; }
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session "s2"
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step "s2b" { BEGIN ISOLATION LEVEL READ COMMITTED; }
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step "s2u1" { UPDATE foo SET b = b || ' update2' WHERE a = 1; }
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step "s2u2" { UPDATE foo SET b = 'EFG' WHERE a = 1; }
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step "s2ut1" { UPDATE footrg SET b = b || ' update2' WHERE a = 1; }
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step "s2ut2" { UPDATE footrg SET b = 'EFG' WHERE a = 1; }
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step "s2c" { COMMIT; }
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# Session s1 is moving a row into another partition, but is waiting for
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# another session s2 that is updating the original row. The row that ends up
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# in the new partition should contain the changes made by session s2.
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permutation "s1b" "s2b" "s2u1" "s1u" "s2c" "s1c" "s1s"
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# Same as above, except, session s1 is waiting in GetTupleForTrigger().
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permutation "s1b" "s2b" "s2ut1" "s1ut" "s2c" "s1c" "s1st" "s1stl"
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# Below two cases are similar to the above two; except that the session s1
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# fails EvalPlanQual() test, so partition key update does not happen.
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permutation "s1b" "s2b" "s2u2" "s1u" "s2c" "s1c" "s1s"
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permutation "s1b" "s2b" "s2ut2" "s1ut" "s2c" "s1c" "s1st" "s1stl"
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