Re: Triggers that needs to fired on a remote server

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02-28-2008, 05:25 PM

Erland Sommarskog

Posts: n/a

Re: Triggers that needs to fired on a remote server

balajan (s_balaji@allsectech.com) writes:
> But it is giving me an error.

And the error is? Please include the full error message.

> CREATE TRIGGER [InserCallTime] ON dbo.Agentcall
> FOR INSERT
> AS
> Declare @mAgentCode integer
> Select @mAgentCode = AgentCode from inserted CallDetails

No, this you cannot do. A trigger fires once per statement, not
once per row. Thus, if you insert more than one row, only one
will be replicated to the other table. This is how the trigger
should read (completely disregarding the problem with the linked
server for the moment, since I don't know what your problem is there.)

update [Y].misdb.dbo.Agent
Set CallsForTheDay = 2
from [Y].misdb.dbo.Agent a
join inserted i ON a.AgentCode = i.AgentCode

If @@rowcount <> (SELECT count(*) FROM inserted)
BEGIN
INSERT [Y].misdb.dbo.Agent(AgentCode)
SELECT AgentCode
FROM inserted i
WHERE NOT EXISTS (SELECT *
FROM [Y].misdb.dbo.Agent a
WHERE a.AgnentCode = i.AgentCode)
End

Not that this is likely to have shining performance.

--
Erland Sommarskog, SQL Server MVP, sommar@algonet.se

Books Online for SQL Server SP3 at
http://www.microsoft.com/sql/techinf...2000/books.asp

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Re: Triggers that needs to fired on a remote server