<set>

            <if test="obj.buyerId != null">

                buyerId = #{obj.buyerId},

            </if>

            <if test="obj.country != null and obj.country.length() > 0">

                country = #{obj.country},

            </if>

            <if test="obj.province != null and obj.province.length() > 0">

                province = #{province},

            </if>

            <if test="obj.city != null and obj.city.length() > 0">

                city = #{obj.city},

            </if>

            <if test="obj.district != null and obj.district.length() > 0">

                district = #{obj.district},

            </if>

            <if test="obj.detailAddress != null and obj.detailAddress.length() > 0">

                detail_address = #{obj.detailAddress},

            </if>

            <if test="obj.country != null and obj.country.length() > 0">

                country = #{obj.country},

            </if>

            <if test="obj.isDefault != null and obj.isDefault.length() > 0">

                isDefault = #{obj.isDefault}

            </if>

        </set>

<dynamic prepend="SET">

            <isNotEmpty prepend="," property="obj.name">

                name = #obj.name#

            </isNotEmpty>

            <isNotEmpty prepend="," property="obj.nick">

                nick = #obj.nick#

            </isNotEmpty>

            <isNotEmpty prepend="," property="obj.lastLoginDate">

                last_login_date = #obj.lastLoginDate#

            </isNotEmpty>

            <isNotEmpty prepend="," property="obj.weixinUnionId">

                weixin_union_id = #obj.weixinUnionId#

            </isNotEmpty>

            <isNotEmpty prepend="," property="obj.email">

                email = #obj.email#

            </isNotEmpty>

            <isNotEmpty prepend="," property="obj.qq">

                qq = #obj.qq#

            </isNotEmpty>

            <isNotEmpty prepend="," property="obj.weixinOpenId">

                weixin_open_id = #obj.weixinOpenId#

            </isNotEmpty>

            <isNotEmpty prepend="," property="obj.weixinId">

                weixin_id = #obj.weixinId#

            </isNotEmpty>

            <isNotEmpty prepend="," property="obj.sessionKey">

                session_key = #obj.sessionKey#

            </isNotEmpty>

            <isNotEmpty prepend="," property="obj.mobile">

                mobile = #obj.mobile#

            </isNotEmpty>

            <isNotNull prepend="," property="obj.sex">

                sex = #obj.sex#

            </isNotNull>

            <isNotEmpty prepend="," property="obj.avatar">

                avatar = #obj.avatar#

            </isNotEmpty>

            <isNotEmpty prepend="," property="obj.sellerId">

                seller_id = #obj.sellerId#

            </isNotEmpty>

            <isNotEmpty prepend="," property="obj.shopId">

                shop_id = #obj.shopId#

            </isNotEmpty>

            <isNotEmpty prepend="," property="obj.mpId">

                mp_id = #obj.mpId#

            </isNotEmpty>

            <isNotEmpty prepend="," property="obj.city">

                city = #obj.city#

            </isNotEmpty>

            <isNotEmpty prepend="," property="obj.province">

                province = #obj.province#

            </isNotEmpty>

            <isNotEmpty prepend="," property="obj.language">

                language = #obj.language#

            </isNotEmpty>

            <isNotEmpty prepend="," property="obj.country">

                country = #obj.country#

            </isNotEmpty>

            <isNotEmpty prepend="," property="obj.phoneNumber">

                phone_number = #obj.phoneNumber#

            </isNotEmpty>

            <isNotEmpty prepend="," property="obj.countryCode">

                country_code = #obj.countryCode#

            </isNotEmpty>

            <isNotEmpty prepend="," property="obj.memberType">

                member_type = #obj.memberType#

            </isNotEmpty>

            <isNotEmpty prepend="," property="obj.remark">

                remark = #obj.remark#

            </isNotEmpty>

        </dynamic>