有两个MYSQL表需要它们加入。订单表将conso列作为主键
CONSO TABLE
CONSO(p_key) | sku |Tally_Name
-------------------------
f|HP3001 | HP3001 |Computer_Accessory
f|XP3001 | XP3001 |XPRO
f|YP3001 | YP3001 |YPRO
a|HP3001 | HP3001 |Computer_Accessory
a|XP3001 | XP3001 |XPRO
a|YP3001 | YP3001 |Computer_Accessory
订购表
f|sku
-----
HP3001
YP3001
XP3001
XP3001
Hp3001
预期结果是使用prefixstring＆＃39; f |`和join
连接 concat（＆＃39; f |＆＃39;，订单。f|sku）= conso.conso
f|sku | Tally_Name
--------------------
HP3001 |Computer_Accessory
YP3001 |YPRO
XP3001 |XPRO
XP3001 |XPRO
Hp3001 |Computer_Accessory