mirror of https://github.com/citusdata/citus.git
45 lines
2.0 KiB
SQL
45 lines
2.0 KiB
SQL
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--- Test for updating a table that has a foreign key reference to another reference table.
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--- Issue #7477: Distributed deadlock after issuing a simple UPDATE statement
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--- https://github.com/citusdata/citus/issues/7477
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CREATE TABLE table1 (id INT PRIMARY KEY);
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SELECT create_reference_table('table1');
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INSERT INTO table1 VALUES (1);
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CREATE TABLE table2 (
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id INT,
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info TEXT,
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CONSTRAINT table1_id_fk FOREIGN KEY (id) REFERENCES table1 (id)
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);
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SELECT create_reference_table('table2');
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INSERT INTO table2 VALUES (1, 'test');
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--- Runs the update command in parallel on workers.
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--- Due to bug #7477, before the fix, the result is non-deterministic
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--- and have several rows of the form:
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--- localhost | 57638 | f | ERROR: deadlock detected
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--- localhost | 57637 | f | ERROR: deadlock detected
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--- localhost | 57637 | f | ERROR: canceling the transaction since it was involved in a distributed deadlock
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SELECT * FROM master_run_on_worker(
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ARRAY['localhost', 'localhost','localhost', 'localhost','localhost',
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'localhost','localhost', 'localhost','localhost', 'localhost']::text[],
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ARRAY[57638, 57637, 57637, 57638, 57637, 57638, 57637, 57638, 57638, 57637]::int[],
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ARRAY['UPDATE table2 SET info = ''test_update'' WHERE id = 1',
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'UPDATE table2 SET info = ''test_update'' WHERE id = 1',
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'UPDATE table2 SET info = ''test_update'' WHERE id = 1',
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'UPDATE table2 SET info = ''test_update'' WHERE id = 1',
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'UPDATE table2 SET info = ''test_update'' WHERE id = 1',
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'UPDATE table2 SET info = ''test_update'' WHERE id = 1',
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'UPDATE table2 SET info = ''test_update'' WHERE id = 1',
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'UPDATE table2 SET info = ''test_update'' WHERE id = 1',
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'UPDATE table2 SET info = ''test_update'' WHERE id = 1',
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'UPDATE table2 SET info = ''test_update'' WHERE id = 1'
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]::text[],
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true);
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--- cleanup
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DROP TABLE table2;
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DROP TABLE table1;
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