select user_id, content_id, cu_type from cab_cu_relation where user_id = #{userId,jdbcType=BIGINT} and content_id = #{contentId,jdbcType=BIGINT} delete from cab_cu_relation where user_id = #{userId,jdbcType=BIGINT} and content_id = #{contentId,jdbcType=BIGINT} and cu_type = #{cuType,jdbcType=INTEGER} insert into cab_cu_relation (user_id, content_id, cu_type ) values (#{userId,jdbcType=BIGINT}, #{contentId,jdbcType=BIGINT}, #{cuType,jdbcType=INTEGER} ) insert into cab_cu_relation user_id, content_id, cu_type, #{userId,jdbcType=BIGINT}, #{contentId,jdbcType=BIGINT}, #{cuType,jdbcType=INTEGER},