Insert Or Update Null If The Value Is Zero Using Trigger On Table

May 16, 2006

Hi ,

I have 2 tables (Dept and Emp)
The columns in table Dept are Deptno and Deptname. Deptno is bigint and it is primary key. In Emp table, columns are Empno(PK) ,EmpName and Deptno(foreign key referring to Dept)

To Insert or Update record in Emp through application, value of Deptno is coming as 0(Zero). I want the value of Deptno to be inserted or updated as null if the value is Zero (0). How to do this in sql server 2005 by using trigger on table Emp

Thanks in advance

regards,

Srinivas Govada





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Trigger To Update A Table On Insert Or Update

Feb 15, 2008



Hello

I've to write an trigger for the following action

When a entry is done in the table Adoscat79 having in the index field Statut_tiers the valeur 1 and a date in data_cloture for a customer xyz

all the entries in the same table where the no_tiers is the same as the one entered (many entriers) should have those both field updated

statut_tiers to 1
and date_cloture to the same date as entered

the same action has to be done when an update is done and the valeur is set to 1 for the statut_tiers and a date entered in the field date_clture

thank you for your help
I've never done a trigger before

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I am new to triggers and need help on the following:

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Thanks for any suggestions...

Alan

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FYI: I'm using SQL2005 on a windows 2003 server.

So, I've written an Instead of Trigger to update a foreign key field based on information in another field of the same record.

To add some error handling to the process I updated the Trigger to insert any records that don't have legitimate foreign keys into a second table.

This process works great when I test it by just adding a record using the table view in the SQL Management Studio or through a query run in the query browser.

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Is anyone aware of this issue? Is there a way around it?

I found the following MSKB article but I'm not sure if it applies to my situation:
http://support.microsoft.com/kb/304096

Here's my current code, if that track the problem in anyway:

Code:


ALTER TRIGGER UpdateTicketID
ON Email
Instead of INSERT
AS
IF ((Select charindex('{', [subject]) FROM Inserted) = 0)
BEGIN
INSERT INTO
BadEmail ([Subject], Sender, Body, EntryID, LastModificationTime, AttachmentLInk, SendTo, Cc, ContactID)
Select
[Subject], Sender, Body, EntryID, LastModificationTime, AttachmentLink, SendTo, Cc, ContactID
From
Inserted
END
ELSE IF ((Select substring([subject], charindex('{', [subject])+1, (charindex('}', [subject]) - charindex('{', [subject]))-1) From Inserted) NOT In (Select TicketID From Ticket))
BEGIN
INSERT INTO
BadEmail ([Subject], Sender, Body, EntryID, LastModificationTime, AttachmentLInk, SendTo, Cc, ContactID)
Select
[Subject], Sender, Body, EntryID, LastModificationTime, AttachmentLink, SendTo, Cc, ContactID
From
Inserted
END
ELSE
BEGIN
INSERT INTO
Email ([Subject], Sender, Body, ticketID, EntryID, LastModificationTime, AttachmentLink, SendTo, Cc, ContactID)
Select
[Subject]
, Sender
, Body
, substring([subject], charindex('{', [subject])+1, (charindex('}', [subject]) - charindex('{', [subject]))-1)
, EntryID
, LastModificationTime
, AttachmentLink
, SendTo
, Cc
, ContactID
From
Inserted
END


GO



Thank very much for any help.

-Will

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Hi,

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and i.req_fname <> d.req_fname from the where clause then it works fine the first time too. Seems like null value of the column is messing things up

Any thoughts?


Here is my t-sql


Insert into dbo.AUDIT (audit_req, audit_new_value, audit_field, audit_user)

select i.req_guid, i.req_fname, 'req_fname', IsNull(i.req_last_update_user,@default_user) as username from inserted i, deleted d

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EXAMPLE:

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[Code] ....

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INSERT INTO dbo.MYTABLE( FirstName, LastName)
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INSERT INTO dbo.MYTABLE( FirstName, LastName, DateAdded)
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F

M

S

DOB


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---------------------------------
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END

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