MYSQL 发送数据大小计算公式
引用：http://www.realzyy.com/?p=1571
Field definition sequence of packets + Data packets
= (21 + length_of_data_filed(db_name) + length_of_data_filed(table_name) + 1 + length_of_data_filed(column_name) + 1) * field_number + 68 + 4 + k + field_number + 63
= (24 + length_of_data_filed(db_name) + length_of_data_filed(table_name) + length_of_data_filed(column_name)) * field_number + k + 135
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转载自babaoqi.iteye.com/blog/1838836
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