mirror of https://github.com/citusdata/citus.git
71 lines
1.4 KiB
PL/PgSQL
71 lines
1.4 KiB
PL/PgSQL
--
|
|
-- Testing we handle transactions properly
|
|
--
|
|
|
|
CREATE TABLE t(a int, b int) USING cstore_tableam;
|
|
|
|
INSERT INTO t SELECT i, 2 * i FROM generate_series(1, 3) i;
|
|
SELECT * FROM t ORDER BY a;
|
|
|
|
-- verify that table rewrites work properly
|
|
BEGIN;
|
|
ALTER TABLE t ALTER COLUMN b TYPE float4 USING (b + 0.5)::float4;
|
|
INSERT INTO t VALUES (4, 8.5);
|
|
SELECT * FROM t ORDER BY a;
|
|
ROLLBACK;
|
|
|
|
SELECT * FROM t ORDER BY a;
|
|
|
|
-- verify truncate rollback
|
|
BEGIN;
|
|
TRUNCATE t;
|
|
INSERT INTO t VALUES (4, 8);
|
|
SELECT * FROM t ORDER BY a;
|
|
SAVEPOINT s1;
|
|
TRUNCATE t;
|
|
SELECT * FROM t ORDER BY a;
|
|
ROLLBACK TO SAVEPOINT s1;
|
|
SELECT * FROM t ORDER BY a;
|
|
ROLLBACK;
|
|
|
|
-- verify truncate with unflushed data in upper xacts
|
|
BEGIN;
|
|
INSERT INTO t VALUES (4, 8);
|
|
SAVEPOINT s1;
|
|
TRUNCATE t;
|
|
ROLLBACK TO SAVEPOINT s1;
|
|
COMMIT;
|
|
|
|
SELECT * FROM t ORDER BY a;
|
|
|
|
-- verify DROP TABLE rollback
|
|
BEGIN;
|
|
INSERT INTO t VALUES (5, 10);
|
|
SELECT * FROM t ORDER BY a;
|
|
SAVEPOINT s1;
|
|
DROP TABLE t;
|
|
SELECT * FROM t ORDER BY a;
|
|
ROLLBACK TO SAVEPOINT s1;
|
|
SELECT * FROM t ORDER BY a;
|
|
ROLLBACK;
|
|
|
|
-- verify DROP TABLE with unflushed data in upper xacts
|
|
BEGIN;
|
|
INSERT INTO t VALUES (5, 10);
|
|
SAVEPOINT s1;
|
|
DROP TABLE t;
|
|
SELECT * FROM t ORDER BY a;
|
|
ROLLBACK TO SAVEPOINT s1;
|
|
COMMIT;
|
|
SELECT * FROM t ORDER BY a;
|
|
|
|
-- verify SELECT when unflushed data in upper transactions errors.
|
|
BEGIN;
|
|
INSERT INTO t VALUES (6, 12);
|
|
SAVEPOINT s1;
|
|
SELECT * FROM t;
|
|
ROLLBACK;
|
|
SELECT * FROM t ORDER BY a;
|
|
|
|
DROP TABLE t;
|