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我需要一些帮助来在MySQL中创建一个程序。插入和更新MySQL程序
我有两个表:
- 连接
- connection_temporary
我想创建做了程序:
- 如果
SELECT keyname FROM connection WHERE keyname NOT IN (SELECT keyname FROM connection_temporary)
更新connection.connection_status离线 - 如果
SELECT keyname FROM connection_temporary WHERE keyname NOT IN (SELECT keyname FROM CONNECTION)
插入与connection_temporary的行内容
我怎样才能做到这一点与connection_temporary的行内容
SELECT keyname, real_ip, virtual_ip, received_bytes, sent_bytes, connection_tstamp FROM connection_temporary WHERE keyname IN (SELECT keyname FROM CONNECTION)
更新连接连接?
你尝试过这么远吗? – Blank
'SET some_var =(SELECT keyname,real_ip,virtual_ip,received_bytes,sent_bytes,connection_tstamp FROM connection_temporary WHERE keyname IN(SELECT keyname FROM CONNECTION));' – Cesar
程序内部。但我不知道我怎么能做到我想要的。 – Cesar