AlloftheCom_stmt_xxxvariablesareincreasedevenifapreparedstatementargumentisunknownoranerroroccurredduringexecution.Inotherwords,theirvaluescorrespondtothenumberofrequestsissued,nottothenumberofrequestssuccessfullycompleted.所有的Com_stmt_xxx变量都会增加，即..
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数据库 时间：
2017-06-06 18:48:36
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