problem with Dynamic sql in cursor

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problem with Dynamic sql in cursor

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AskSQLTeam
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Posted - 2006-03-02 : 07:56:10

Sheeja M. writes "I want to pass a tablename (tbl_comm_param_new) to this cursor. I tried, and almost got there, but getting the following error

Server: Msg 214, Level 16, State 3, Procedure sp_executesql, Line 20
Procedure expects parameter '@parameters' of type 'ntext/nchar/nvarchar'.

my cursor is-

DECLARE @my_cur CURSOR,
@tblv nvarchar,
@QRYTORUN nvarchar,
@ccount int,
@circle nvarchar;

begin

set @tblv = 'tbl_comm_param_new'

select @QRYTORUN = 'SET @my_cur = CURSOR FOR select param_id from ' + @tblv + ' ; OPEN @my_cur'
select @QRYTORUN = @QRYTORUN + '@my_cur cursor OUTPUT'

-- EXEC sp_executesql
-- N'SET @my_cur = CURSOR FOR select param_id from ' + @tblv + ' ; OPEN @my_cur',
-- N'@my_cur cursor OUTPUT', @my_cur OUTPUT

EXEC sp_executesql
@QRYTORUN , @my_cur OUTPUT

-- FETCH NEXT FROM @my_cur
FETCH @my_cur
INTO
@ccount

WHILE @@FETCH_STATUS = 0
BEGIN --loop
print @ccount
end

end

regards,
Sheeja M."

madhivanan
Premature Yak Congratulator

22864 Posts

Posted - 2006-03-02 : 08:07:05

Give more details on what you are trying to do. There can be better method to do that than you think. Anyway refer this to know about Dynamic SQL
http://www.sommarskog.se/dynamic_sql.html

Madhivanan

Failing to plan is Planning to fail

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