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27 lines
857 B
Plaintext
27 lines
857 B
Plaintext
set session transaction isolation level read committed;
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create table innodb_bug52663 (what varchar(5), id integer, count integer, primary key
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(what, id)) engine=innodb;
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insert into innodb_bug52663 values ('total', 0, 0);
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begin;
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set session transaction isolation level read committed;
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begin;
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update innodb_bug52663 set count = count + 1 where what = 'total' and id = 0;
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select * from innodb_bug52663;
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what id count
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total 0 1
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update innodb_bug52663 set count = count + 1 where what = 'total' and id = 0;
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ERROR HY000: Lock wait timeout exceeded; try restarting transaction
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select * from innodb_bug52663;
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what id count
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total 0 0
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commit;
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update innodb_bug52663 set count = count + 1 where what = 'total' and id = 0;
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commit;
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select * from innodb_bug52663;
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what id count
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total 0 2
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select * from innodb_bug52663;
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what id count
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total 0 2
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drop table innodb_bug52663;
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