Multiple Cursor Example

DECLARE @IPaddress nvarchar(40)
DECLARE @PartnerName nvarchar(40)
DECLARE @AllMessageCodes nvarchar(200)
DECLARE @MessageCode nvarchar(10)

DECLARE @Partners TABLE
(
IPAddress nvarchar(40),
PartnerName nvarchar(40),
AllMessageCodes nvarchar(200)
)


DECLARE cur CURSOR FOR
select distinct p.IPaddress, p.PartnerName
from tbHL7Partners p
inner join tbHL7MessageMapHeader MMH on p.PartnerID = MMH.PartnerID
inner join tbHL7MessageMapDetail MMD on MMH.MsgMapHeaderID = MMD.MsgMapHeaderID
inner join tbcdHL7Messages M on MMD.MessageID = M.MessageID
where p.PartnerDeleted = '0' and mmh.Active = '1' and mmd.[On] = '1'

OPEN cur
FETCH NEXT FROM cur INTO @IPaddress, @PartnerName
WHILE (@@FETCH_STATUS = 0)
BEGIN

SET @AllMessageCodes=''

DECLARE curMessages CURSOR FOR
select M.MessageCode
from tbHL7Partners p
inner join tbHL7MessageMapHeader MMH on p.PartnerID = MMH.PartnerID
inner join tbHL7MessageMapDetail MMD on MMH.MsgMapHeaderID = MMD.MsgMapHeaderID
inner join tbcdHL7Messages M on MMD.MessageID = M.MessageID
where p.PartnerDeleted = '0' and mmh.Active = '1' and mmd.[On] = '1'
and p.IPaddress =@IPaddress and p.PartnerName=@PartnerName
GROUP BY p.IPaddress, p.PartnerName, M.MessageCode

OPEN curMessages
FETCH NEXT FROM curMessages INTO @MessageCode
WHILE (@@FETCH_STATUS = 0)
BEGIN

SET @AllMessageCodes = @AllMessageCodes + ' ' + @MessageCode
--SELECT @MessageCode

FETCH NEXT FROM curMessages INTO @MessageCode
END
CLOSE curMessages
DEALLOCATE curMessages

INSERT INTO @Partners(IPAddress, PartnerName, AllMessageCodes)
SELECT @IPaddress, @PartnerName, @AllMessageCodes

FETCH NEXT FROM cur INTO @IPaddress, @PartnerName
END
CLOSE cur
DEALLOCATE cur