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43 lines
633 B
Plaintext
43 lines
633 B
Plaintext
SET tx_isolation = 'READ-COMMITTED';
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CREATE TABLE bug49164 (a INT, b BIGINT, c TINYINT, PRIMARY KEY (a, b))
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ENGINE=InnoDB;
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insert into bug49164 values (1,1,1), (2,2,2), (3,3,3);
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begin;
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update bug49164 set c=7;
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select * from bug49164;
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a b c
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1 1 7
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2 2 7
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3 3 7
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rollback;
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select * from bug49164;
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a b c
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1 1 1
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2 2 2
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3 3 3
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begin;
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update bug49164 set c=7;
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SET tx_isolation = 'READ-COMMITTED';
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begin;
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select * from bug49164;
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a b c
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1 1 1
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2 2 2
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3 3 3
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commit;
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begin;
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update bug49164 set c=6 where a=1 and b=1;
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rollback;
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select * from bug49164;
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a b c
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1 1 1
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2 2 2
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3 3 3
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commit;
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select * from bug49164;
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a b c
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1 1 6
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2 2 2
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3 3 3
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drop table bug49164;
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