Question

有没有办法在SQL Server中执行查询，然后打印包含查询结果数据的消息。

例如，如果我有这样的查询：

SELECT ID, FirstName, LastName FROM Customers

对于结果的每一行，我想跟这样的事情一起使用。

Print N'Customer ID: ' + [ID]
Print N'First Name: ' + [FirstName]
Print N'Last Name: ' + [LastName]

我知道我可以使用AS子句格式化每一列，但数据将始终在表格中格式化。有没有办法以不同的方式格式化结果而不使用其他语言来处理结果？

Answer 1

您可以使用光标：

declare @curse cursor
set @curse = cursor fast_forward for
select ID, FirstName, LastName
from Customers

declare @id int,
        @firstName varchar(32),
        @lastName varchar(32)

open @curse

fetch next from @curse into @id, @firstName, @lastName

while (@@fetch_status = 0)
begin
    Print N'Customer ID: ' + @id
    Print N'First Name: ' + @firstName
    Print N'Last Name: ' + @lastName

    fetch next from @curse into @id, @firstName, @lastName
end

close @curse

或者你可以不用：

select 'Customer ID: ' + cast(ID as varchar(32)) + char(13) + char(10) + 
       'First Name: ' + FirstName + char(13) + char(10) + 
       'Last Name: ' + LastName + char(13) + char(10)
from Customers

如果您使用第二种方法，请使用Ctrl + T将SSMS中的输出从网格更改为文本模式。

Answer 2

你可以试试这个：

DECLARE @customerid varchar(100);
DECLARE @firstname varchar(100);
DECLARE @@lastname varchar(100);

SELECT @customerid=ID, @firstname=FirstName, @lastname=LastName 
FROM Customers

Print N'Customer ID: ' + @customerid
Print N'First Name: ' +  @firstname
Print N'Last Name: ' + @lastname

Answer 3

如果您只需要垂直格式化数据，那么我仍然建议使用SELECT over PRINT：

SELECT Lbl, Txt
FROM (
              SELECT ID, 'Customer ID:' As Lbl, CAST(ID As VARCHAR(50)) As Txt       FROM Customers
    UNION ALL SELECT ID, 'First Name:' As Lbl, CAST(FirstName As VARCHAR(50)) As Txt FROM Customers
    UNION ALL SELECT ID, 'Last Name:' As Lbl, CAST(FirstName As VARCHAR(50)) As Txt  FROM Customers
    ) A
ORDER BY ID, Lbl

在SQL Server中处理查询结果

3 个答案: