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POSTGRESQL错误:用作表达式的子查询返回多行_Postgresql_Postgresql 9.4 - Fatal编程技术网

POSTGRESQL错误:用作表达式的子查询返回多行

POSTGRESQL错误:用作表达式的子查询返回多行,postgresql,postgresql-9.4,Postgresql,Postgresql 9.4,为什么不: SELECT (SELECT vch_message FROM TABLE1 WHERE vch_message like 'DONE%' ) as Status, (SELECT vch_Type FROM TABLE2 WHERE vch_Type like 'Account' ) as Type From Table3 where Condition 你想获得什么?无关:今天我(希望)获得传奇黄金。

为什么不:

SELECT

  (SELECT vch_message
     FROM TABLE1
       WHERE  vch_message like 'DONE%'
    ) as Status,
 (SELECT vch_Type
     FROM TABLE2
       WHERE  vch_Type like 'Account'
    ) as Type

From Table3
where Condition

你想获得什么?无关:今天我(希望)获得传奇黄金。。。感谢所有我从中学到这么多的人…Congla@Legendary GoldCat我现在应该叫你幽灵猫还是传说中的金猫?我为你感到高兴,兄弟,我会为你获得10万代表而感到高兴;)两种方式都可以。当然,稍后我会把昵称改回来(尽管我认为它现在已经锁定了30天)。是的:如果我继续像最近一样,我会在2018年夏天的某个时候达到10万。但我不确定,既然传奇徽章计数器停止滴答作响,我是否会继续每天获得200+积分。继续@LegendaryGoldCat,就像你一样你很好,我为你感到高兴,并且总是很高兴看到你的名字出现在顶部:)
SELECT
   Status.vch_message,
   Type.vch_Type 
From
   Table3,
   (
      SELECT
         vch_message 
      FROM
         TABLE1 
      WHERE
         vch_message like 'DONE%' 
   )
   as Status,
   (
      SELECT
         vch_Type 
      FROM
         TABLE2 
      WHERE
         vch_Type like 'Account' 
   )
   as Type 
WHERE
   Condition