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13 lines
287 B
Plaintext
13 lines
287 B
Plaintext
drop table if exists t1;
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create table t1 (kill_id int);
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insert into t1 values(connection_id());
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select kill_id-kill_id from t1;
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kill_id-kill_id
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0
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flush tables with read lock;
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select ((@id := kill_id) - kill_id) from t1;
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((@id := kill_id) - kill_id)
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0
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kill connection @id;
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drop table t1;
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