mysql 判断区间是否存在交集和并集


                (grow_range_start <![CDATA[ < ]]> #{growRangeStart} and grow_range_start <![CDATA[ >= ]]> #{growRangeStart})or
                (grow_range_start  <![CDATA[ < ]]> #{growRangeEnd}  and grow_range_end <![CDATA[ >= ]]> #{growRangeEnd}) or
                (grow_range_start <![CDATA[ > ]]> #{growRangeStart} and grow_range_end <![CDATA[ <= ]]> #{growRangeEnd})

 


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