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31 lines
870 B
Plaintext
31 lines
870 B
Plaintext
ALTER DATABASE test CHARACTER SET latin1 COLLATE latin1_swedish_ci;
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#
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# MDEV-23244 ALTER TABLE…ADD PRIMARY KEY fails to flag
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# duplicate key error from concurrent DML
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#
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CREATE TABLE t0 (pk INT PRIMARY KEY) ENGINE=InnoDB;
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CREATE TABLE t1 (c CHAR(2) NOT NULL) ENGINE=InnoDB;
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INSERT INTO t1 VALUES('cd');
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connect con1,localhost,root,,;
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BEGIN;
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INSERT INTO t0 VALUES(1);
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connection default;
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SET DEBUG_SYNC='row_log_table_apply1_before SIGNAL dml WAIT_FOR dml_done';
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ALTER TABLE t1 ADD PRIMARY KEY(c(1));
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connection con1;
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SET DEBUG_SYNC='now WAIT_FOR dml';
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INSERT INTO t1 VALUES ('ab'),('ac');
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COMMIT;
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SET DEBUG_SYNC='now SIGNAL dml_done';
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disconnect con1;
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connection default;
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ERROR 23000: Duplicate entry 'a' for key 'PRIMARY'
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SET DEBUG_SYNC='RESET';
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SELECT * FROM t1;
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c
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cd
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ab
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ac
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DROP TABLE t0,t1;
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ALTER DATABASE test CHARACTER SET utf8mb4 COLLATE utf8mb4_uca1400_ai_ci;
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