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tests/suite/execute/r/concurrent.result

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SELECT CREATE_BARRIER(@my_barrier);

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CREATE_BARRIER(@my_barrier)

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SELECT USER_BARRIER_NAME FROM DATA_DICTIONARY.USER_DEFINED_BARRIERS WHERE USER_BARRIER_NAME=@my_barrier;

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USER_BARRIER_NAME

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barrier

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set @my_barrier= "barrier";

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SELECT USER_BARRIER_NAME FROM DATA_DICTIONARY.USER_DEFINED_BARRIERS WHERE USER_BARRIER_NAME=@my_barrier;

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USER_BARRIER_NAME

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barrier

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SET @execute= "SELECT WAIT('barrier')";

 

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SELECT SIGNAL(@my_barrier);

 

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SIGNAL(@my_barrier)

 

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EXECUTE @execute CONCURRENT;

 

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EXECUTE @execute CONCURRENT;

 

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EXECUTE @execute CONCURRENT;

 

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SELECT WAIT_UNTIL(@my_barrier, 3);

 

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WAIT_UNTIL(@my_barrier, 3)

 

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SELECT USER,INFO FROM DATA_DICTIONARY.PROCESSLIST ORDER BY ID;

 

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USER    INFO

 

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root    SELECT USER,INFO FROM DATA_DICTIONARY.PROCESSLIST ORDER BY ID

 

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root    

 

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root    SELECT WAIT('barrier')

 

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root    SELECT WAIT('barrier')

 

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root    SELECT WAIT('barrier')

 

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SELECT SIGNAL(@my_barrier);

 

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SIGNAL(@my_barrier)

 

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