id AS id, is_delete AS isDelete, gmt_create AS gmtCreate, gmt_modified AS gmtModified, child AS child, parent AS parent, can_replace AS canReplace select * from lz_flow_relation where id=#{id} and is_delete = 0 limit 1 insert into lz_flow_relation( child, parent, can_replace, is_delete, gmt_create, gmt_modified )values( #{ child}, #{ parent}, #{ canReplace}, 0, now(), now() ) update lz_flow_relation is_delete = #{isDelete}, gmt_create = #{gmtCreate}, child = #{child}, parent = #{parent}, can_replace = #{canReplace} ,gmt_modified = now() where id = #{id} update lz_flow_relation set is_delete = #{isDelete}, gmt_create = #{gmtCreate}, child = #{child}, parent = #{parent}, can_replace = #{canReplace} ,gmt_modified = now() where id = #{id} update lz_flow_relation set is_delete = 1 where id=#{id} limit 1 select * from lz_flow_relation where is_delete = 0