[英]How to use a sub-query as value for inserting?
I have a query like this: 我有这样的查询:
INSERT INTO table1(col1,col2,col4)
VALUES (1, (select col1 from table2 where col2 = :param), 1);
The above query works as well. 以上查询也有效。 Now I want to use two columns from
table2
, like this: 现在我想使用
table2
两列,如下所示:
INSERT INTO table1(col1,col2,col3,col4)
VALUES (1, (select col1,col2 from table2 where col2 = :param), 1);
But second query doesn't work, How can I fix it? 但第二个查询不起作用,我该如何解决?
INSERT INTO table1(col1, col2, col3, col4)
select 1, col1, col2, 1
from table2
where col2 = :param;
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