mysql 一条sql完成saveOrUpdate 存在即更新

关键字 on duplicate key update

<pre name="code" class="sql"> insert into table(column,column,column)
values
( #{column},#{column},#{column})
ON DUPLICATE KEY update
column=#{column},column=#{column},column=#{column}

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转载自www.cnblogs.com/ly570/p/11235472.html