Mybatis 项目开发实际常用SQL笔记总结
SELECT
COUNT(id)
FROM
t_mc_store_group_master
WHERE u_id = #{uid}
SELECT
COUNT(1)
FROM
t_mc_store_group_master gm,
t_mc_store_group g
WHERE gm.id = g.master_id
AND gm.u_id = #{uid}
AND g.id = #{groupId}
SELECT id FROM t_mc_store_group_master WHERE u_id = #{uid}
SELECT
gm.u_id mid,
gm.u_name mName,
1 mTag,
1 pb_list,
1 pb_view,
1 pb_down,
1 pb_upload,
1 pb_delete,
1 pb_rename,
1 pb_share,
2 isAdmin,
1 isMaster
FROM
t_mc_store_group g,
t_mc_store_group_master gm
WHERE gm.id = g.master_id
AND g.id = #{groupId}
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