我似乎无法正确获取输出参数,我期望“TEMPTABLE”的地方是空的?
create table TEMPTABLE
(
Id int identity primary key,
Name nvarchar(50) not null,
);
GO
insert into TEMPTABLE(Name) values('Name 1');
GO
DECLARE @PARMOUTP nvarchar(50)
DECLARE @ParameterDefinition AS NVARCHAR(2000)
DECLARE @DestTable VARCHAR(50)
declare @sql nvarchar(max)
set @sql = 'SELECT OBJECT_NAME(OBJECT_ID) AS TABLENAME
FROM SYS.IDENTITY_COLUMNS
WHERE OBJECT_NAME(OBJECT_ID) = @DestTable'
set @DestTable = 'TEMPTABLE'
set @ParameterDefinition = '@DestTable VARCHAR(50), @PARMOUTP VARCHAR(50) OUTPUT'
EXECUTE sp_executesql @sql,
@ParameterDefinition,
@DestTable,
@PARMOUTP OUTPUT
print @PARMOUTP;
print isnull(@PARMOUTP, 'PARMOUTP is null!');
我在这里做错了什么?
问候,
麦克风