查询SQL 人大金仓 与MySQL的区别

查询SQL 人大金仓 与MySQL的区别，以若依为例

• 最常见 时间范围
  1.人大金仓 Kingbase

<select id="selectUserListByOrgIds" parameterType="SysUser" resultMap="SysUserResult">
		select u.user_id, u.dept_id, u.nick_name,u.tj_id,u.certificate,u.org_id, u.user_name, u.email, u.avatar, u.phonenumber, u.sex, u.status, u.del_flag, u.login_ip, u.login_date, u.create_by, u.create_time, u.remark, d.dept_name, d.leader from public.sys_user u
		left join sys_dept d on u.dept_id = d.dept_id
		where u.del_flag = '0'
		<if test="orgIds != null">
			AND u.org_id in
			<foreach item="orgId" collection="orgIds" open="(" separator="," close=")">
				#{orgId}
			</foreach>
		</if>
		<if test="userName != null and userName != ''">
			AND u.user_name like concat('%', #{userName}, '%')
		</if>
		<if test="phonenumber != null and phonenumber != ''">
			AND u.phonenumber like concat('%', #{phonenumber}, '%')
		</if>
		<if test="params.beginTime != null and params.beginTime != ''"><!-- 开始时间检索 -->
			AND to_char(u.create_time,'yyyyMMdd') &gt;= to_date(#{params.beginTime},'yyyy-mm-dd hh24:mi:ss')
		</if>
		<if test="params.endTime != null and params.endTime != ''"><!-- 结束时间检索 -->
			AND to_char(u.create_time,'yyyyMMdd') &lt;= to_date(#{params.endTime},'yyyy-mm-dd hh24:mi:ss')
		</if>
	</select>

**2.MySQL**

	select u.user_id, u.dept_id, u.nick_name, u.user_name, u.email, u.avatar, u.phonenumber, u.password, u.sex, u.status, u.del_flag, u.login_ip, u.login_date, u.create_by, u.create_time, u.remark, d.dept_name, d.leader from sys_user u
		left join sys_dept d on u.dept_id = d.dept_id
		where u.del_flag = '0'
		<if test="userId != null and userId != 0">
			AND u.user_id = #{userId}
		</if>
		<if test="userName != null and userName != ''">
			AND u.user_name like concat('%', #{userName}, '%')
		</if>
		<if test="status != null and status != ''">
			AND u.status = #{status}
		</if>
		<if test="phonenumber != null and phonenumber != ''">
			AND u.phonenumber like concat('%', #{phonenumber}, '%')
		</if>
		<if test="params.beginTime != null and params.beginTime != ''"><!-- 开始时间检索 -->
			AND date_format(u.create_time,'%y%m%d') &gt;= date_format(#{params.beginTime},'%y%m%d')
		</if>
		<if test="params.endTime != null and params.endTime != ''"><!-- 结束时间检索 -->
			AND date_format(u.create_time,'%y%m%d') &lt;= date_format(#{params.endTime},'%y%m%d')
		</if>
		<if test="deptId != null and deptId != 0">
			AND (u.dept_id = #{deptId} OR u.dept_id IN ( SELECT t.dept_id FROM sys_dept t WHERE find_in_set(#{deptId}, ancestors) ))
		</if>
		<!-- 数据范围过滤 -->
		${params.dataScope}