variable
id,
variable_key,variable_value,`desc`,create_time,update_time
#{variableKey},#{variableValue},#{desc},now(),now()
variable_key = #{variableKey},
variable_value =#{variableValue},
`desc` =#{desc},
update_time =now()
id = #{id}
and variable_key = #{variableKey}
and variable_value =#{variableValue}
and `desc` =#{desc}
and create_time >= #{createTime}
and #{updateTime} >= update_time
insert into
()
value(
)
UPDATE
id = #{id}
delete from
where id = #{id}