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44 lines
1 KiB
Text
44 lines
1 KiB
Text
DROP TABLE IF EXISTS t1;
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connect con1,localhost,root,,;
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connect con2,localhost,root,,;
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### Test 1:
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### - While a consistent snapshot transaction is executed,
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### no external inserts should be visible to the transaction.
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connection con1;
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CREATE TABLE t1 (a INT) ENGINE=innodb;
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START TRANSACTION WITH CONSISTENT SNAPSHOT;
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connection con2;
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INSERT INTO t1 VALUES(1);
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connection con1;
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SELECT * FROM t1;
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a
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COMMIT;
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### Test 2:
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### - For any non-consistent snapshot transaction, external
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### committed inserts should be visible to the transaction.
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DELETE FROM t1;
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START TRANSACTION;
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connection con2;
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INSERT INTO t1 VALUES(1);
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connection con1;
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SELECT * FROM t1;
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a
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1
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COMMIT;
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### Test 3:
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### - Bug#44664: valgrind warning for COMMIT_AND_CHAIN and ROLLBACK_AND_CHAIN
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### Chaining a transaction does not retain consistency level.
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START TRANSACTION WITH CONSISTENT SNAPSHOT;
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DELETE FROM t1;
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COMMIT WORK AND CHAIN;
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connection con2;
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INSERT INTO t1 VALUES(1);
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connection con1;
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SELECT * FROM t1;
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a
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1
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COMMIT;
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connection default;
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disconnect con1;
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disconnect con2;
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DROP TABLE t1;
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