SELECT * FROM V_BaseUser
WHERE upper(recognizecode) = #{recognizecode}
select t.* from userownlesson t,goods s
where t.uid = #{uid} and t.goodsid = s.goodsid and isrecomm = 0
SELECT * FROM V_BaseUser
WHERE studentid = #{studentid}
SELECT * FROM V_BaseUser
WHERE cellphone = #{cellphone}
SELECT CASE WHEN (COUNT(*) > 0) THEN true ELSE false END AS isFlag
FROM userownlesson
where uid = #{uid} and goodsid = #{goodsId} and status = 1 and areaid = #{areaid}
SELECT CASE WHEN (COUNT(T.orderinfoid) > 0) THEN true ELSE false END AS isFlag
FROM orderinfo T,orderowngoods S
WHERE T.orderinfoID = S.orderinfoid AND T.uid = #{uid} AND goodsid = #{goodsId}
and T.ispayed = 1 AND ENDTIME > now()
INSERT INTO userownlesson(uid,goodsid,starttime,endtime,status,areaid)
VALUES (#{uid},#{goodsid},#{starttime},#{endtime},#{status},#{areaid})
select studenid, nickname, avatar from v_baseuser where schoolid = #{schoolid} and status = 1
delete from userownlesson where uid=#{uid} and
goodsId in
#{item}