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19 lines
548 B
Plaintext
19 lines
548 B
Plaintext
CREATE TABLE t1 (a INT, b INT AS (a), KEY(b)) ENGINE=InnoDB;
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INSERT INTO t1 () VALUES (),();
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connect con1,localhost,root,,test;
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ALTER TABLE t1 ADD COLUMN x INT as (a), add key(x), ALGORITHM=COPY;
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SET debug_sync= "ib_open_after_dict_open SIGNAL delete_open WAIT_FOR another_open";
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DELETE FROM t1;
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connection default;
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SET debug_sync= "now WAIT_FOR delete_open";
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SET debug_sync= "ib_open_after_dict_open SIGNAL another_open";
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SELECT a FROM t1;
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a
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NULL
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NULL
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connection con1;
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disconnect con1;
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connection default;
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SET debug_sync= "RESET";
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DROP TABLE t1;
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