Trigger Not Firing On Update

Feb 3, 2006

hi,

Here's the scenario

1) I am running a DTS job to fetch some rows from Oracle
2) The job populates the Table A as step 1
3) Then it fires a update statement which updates the rows in Table B.

Here's the statement
UPDATE Table B SET
time = case when (select median from Table A where sno = sno and Table
A.stno=70 ) is null then time
else (select median from Table A where Table B.sno = Table A.sno and
Table A.sstno=70) end ,
end
WHERE EXISTS (select sstno from Table A where Table B.sno = Table
A.sno)

There is a trigger on table B which should fire as soon as the
value>15.

When I fire the update statement direcly with a higher value than it
fires the trigger.
update table B set time=17 where b.sno=1000
But not when the job runs...
I am puzzled.
Thoughts?

AJ

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Transact SQL :: Firing After Update Trigger - On Table Row Update

Jul 8, 2015

I have a table where table row gets updated multiple times(each column will be filled) based on telephone call in data.
 
Initially, I have implemented after insert trigger on ROW level thinking that the whole row is inserted into table will all column values at a time. But the issue is all columns are values are not filled at once, but observed that while telephone call in data, there are multiple updates to the row (i.e multiple updates in the sense - column data in row is updated step by step),

I thought to implement after update trigger , but when it comes to the performance will be decreased for each and every hit while row update.

I need to implement after update trigger that should be fired on column level instead of Row level to improve the performance?

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Nov 22, 2007



Hi All,

I have an update trigger which stores the date a record was updated by a GIS app.

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Create TRIGGER [dbo].[Date_Entered] ON [dbo].[ZONING_OP]

FOR UPDATE

AS

UPDATE [dbo].[ZONING_OP]

Set Date_Entered = GetDate()

Where ID = (Select ID from Inserted)


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Apr 11, 2001

I have an update trigger I created that updates a field based on the user who last updated the record. Under 7 the only way it would work was to have recursive triggers firing turned on. Under 2000 might there be a btter solution. The code is below. Thanks

CREATE trigger tr_cmsUpdt_MARS on dbo.PATIENT_MEDICATION_DISPERSAL_ for UPDATE as
-- updates record with sql user and timestamp
--created 11-28-00 tim cronin
DECLARE @muser varchar(35),
@rec_lock_status int,
@ptacpt_status int
set @muser = current_user
begin
UPDATE PATIENT_MEDICATION_DISPERSAL_
set MODIFIED_BY = @muser,
MODIFIED_TS = getdate()
from deleted dt
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Feb 5, 2004

Hi. This SHOULD be something simple, but I am apparently missing something. I have a Users table where a user's status is a varchar(100). I'm trying to implement a trigger so that when a user's status is changed to any string other than what it was before the update the trigger would change the LastUpdated field to current date/time.

Here's the trigger, I replaced the update of LastUpdated with a simple print statement. For some reason, it seems like the trigger is firing after the update statement has committed because the values of @m_status_new and @m_status_old are always the same so this trigger always prints 'status has not changed.' What am I doing wrong? Thank you greatly for any help provided.

USE myDB
IF EXISTS (SELECT name FROM sysobjects
WHERE name = 'tr_update_users' AND type = 'TR')
DROP TRIGGER tr_update_users
GO

CREATE TRIGGER tr_update_users
on dbo.Users
FOR UPDATE
AS

DECLARE @m_status_new varchar(100),
@m_status_old varchar(100),
@m_UserID int

SELECT @m_status_new = UserStatus,
@m_UserID = UserID
FROMinserted

SELECT @m_status_old = UserStatus
FROMUsers
WHEREUserID = @m_UserID


IF @m_status_new != @m_status_old
BEGIN
print 'status has changed'
END
ELSE
BEGIN
print 'status has not changed'
END
GO

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Dec 7, 2007

OK, I'm at a loss..it must be staring me right in the face.

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Any ideas?


CREATE TABLE [dbo].[PIF_MEP99] (
[PIFRecID] [int] NOT NULL ,
[MEPRecID] [int] NOT NULL ,
[PrimaryInd] [char] (1) NOT NULL
) ON [PRIMARY]
GO

ALTER TABLE [dbo].[PIF_MEP99] WITH NOCHECK ADD
CONSTRAINT [PIF_MEP99_PK] PRIMARY KEY CLUSTERED
(
[PIFRecID],
[MEPRecID]
) ON [PRIMARY]
GO

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SELECT 1,1,'Y' UNION ALL
SELECT 2,1,'N' UNION ALL
SELECT 3,2,'N'
GO

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FOR UPDATE, DELETE
AS
SET NOCOUNT ON

-- Rule 1: Prevent and MEP from having more than 1 PIF as Primary

IF Exists ( SELECT * FROM inserted i
INNER JOIN PIF_MEP99 p
ON i.MEPRecID = p.MEPRecID
AND i.PrimaryInd = 'Y'
AND p.PrimaryInd = 'Y')
BEGIN
ROLLBACK TRAN
RAISERROR 500003 'Attempting to Insert 2 Primary PIFs for an MEP'
END
GO

SELECT * FROM PIF_MEP99
GO

SELECT * FROM (SELECT 4 AS PIFRecID,1 AS MEPRecID,'Y' AS PrimaryInd) AS i
INNER JOIN PIF_MEP p
ON i.MEPRecID = p.MEPRecID
AND i.PrimaryInd = 'Y'
AND p.PrimaryInd = 'Y'
GO

BEGIN TRAN
INSERT INTO PIF_MEP99 (PIFRecID, MEPRecID, PrimaryInd) SELECT 4,1,'Y'
COMMIT TRAN
GO

SELECT * FROM PIF_MEP99
GO

SELECT * FROM (SELECT 5 AS PIFRecID,1 AS MEPRecID,'Y' AS PrimaryInd) AS i
INNER JOIN PIF_MEP p
ON i.MEPRecID = p.MEPRecID
AND i.PrimaryInd = 'Y'
AND p.PrimaryInd = 'Y'
GO

DROP TABLE PIF_MEP99
GO




Brett

8-)

Hint: Want your questions answered fast? Follow the direction in this link
http://weblogs.sqlteam.com/brettk/archive/2005/05/25/5276.aspx

Add yourself!
http://www.frappr.com/sqlteam

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Mar 27, 2006



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Afternoon All ...

I have a trigger on a table that works great when a single record is updated BUT it seems not to fire when I try to do a bulk update as in ...

update TableA

set field3 = ms.field3
FROM TableA as ta,
#ms as ms
where field1 = ms.field1
and field2 = ms.field2

Why does this happen and how can I correct it.

Thanks!

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Nov 18, 2005

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Is DTS capable of updating a SQL Server table without firing the trigger?

I'm an Oracle guy, and this is my 1st experiences with SQL Server, so I'll put the code here and if you want to point out any bad practices (such as the way i converted the DB2 TIMESTAMP to a SQL Server DATETIME , please do.

FYI, the DB2 TIMESTAMP is getting loaded into the SQL Server table as a VARCHAR(26)
Carl

CREATE TRIGGER trig_SAWakeUp ON tsnro
FOR INSERT, UPDATE
AS
DECLARE @snro_stus char(10)
DECLARE @snp_sht_dtm as datetime
SELECT @snro_stus = snro_stus
FROM tsnro
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BEGIN
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VALUES (@snro_stus, @snp_sht_dtm)
END
ELSE
BEGIN
INSERT INTO TSNP_SHT_DTM ( SNRO_STUS, SNP_SHT_DTM )
VALUES (@snro_stus, @snp_sht_dtm)
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hi all

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FOR INSERT
AS


INSERT into tPABillToAddr
(
chrJobNumber
)

SELECT chrJobNumber
FROM inserted



when the user enters a new this table is to insert one column into another table. the thing is, sometimes it does not do the insert. any ideas as to why? it is a very uncommon thing, lets say once out of every 20 inserts does it fail. but it is crucial that it never fails.

thanks

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Jan 13, 2004

Hi,

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Jun 18, 2014

1) I have two tables , chat and country tables , chat table has 3 columns(chat_id,language,chat_info) and media table has 2 fields(chat_id ,country), chat table will store all countries data (India,china,taiwan)

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as
BEGIN

[code]...

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May 10, 2006

Hi,

Thanks for looking at this post. I currently have a trigger that fires when a row is inserted or deleted on a table. The idea behind the trigger is that when a row is inserted (representing a sub-category for images), the categories parent needs to have some work done on it. I currently have the trigger working just fine with single inserts and single deletes:


sql Code:






Original
- sql Code





CREATE TRIGGER smvcModImageManagerCategory_insert_delete_pdfManger_sync
ON smvcModImageManagerCategory
FOR INSERT, DELETE
AS
DECLARE @pdfId INTEGER;
DECLARE @parentPdfId INTEGER;
DECLARE @grandparentPdfId INTEGER;
DECLARE @parentId INTEGER;
DECLARE @grandparentId INTEGER;
DECLARE @tableName VARCHAR( 255 );


-- If I am being inserted or deleted, and I am not a top level
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-- the pdf file is updated
IF (SELECT id FROM Inserted) IS NOT NULL
BEGIN
SELECT @pdfId = (SELECT pdfManagerId FROM Inserted),
@parentId = (SELECT parentCategory FROM Inserted),
@grandparentId = (SELECT parentCategory FROM smvcModImageManagerCategory
WHERE id = @parentId);
END
ELSE
BEGIN
SELECT @pdfId = (SELECT pdfManagerId FROM Deleted),
@parentId = (SELECT parentCategory FROM Deleted),
@grandparentId = (SELECT parentCategory FROM smvcModImageManagerCategory
WHERE id = @parentId)
END



-- If I am not a top level category, set my parent's pdf to be
-- updated
IF @parentId <> -1
BEGIN
SELECT @parentPdfId = (SELECT pdfManagerId
FROM smvcModImageManagerCategory
WHERE id = @parentId);
UPDATE smvcModPdfManager SET data_last_updated = GETDATE()
WHERE id = @parentPdfId;
END
GO






 CREATE TRIGGER smvcModImageManagerCategory_insert_delete_pdfManger_syncON smvcModImageManagerCategoryFOR INSERT, DELETEAS     DECLARE @pdfId INTEGER;    DECLARE @parentPdfId INTEGER;    DECLARE @grandparentPdfId INTEGER;    DECLARE @parentId INTEGER;    DECLARE @grandparentId INTEGER;    DECLARE @tableName VARCHAR( 255 );         -- If I am being inserted or deleted, and I am not a top level    -- category, then my parent's pdf record needs to be set so that     -- the pdf file is updated    IF (SELECT id FROM Inserted) IS NOT NULL    BEGIN        SELECT @pdfId = (SELECT pdfManagerId FROM Inserted),            @parentId = (SELECT parentCategory FROM Inserted),            @grandparentId = (SELECT parentCategory FROM smvcModImageManagerCategory                                WHERE id = @parentId);    END    ELSE    BEGIN        SELECT @pdfId = (SELECT pdfManagerId FROM Deleted),            @parentId = (SELECT parentCategory FROM Deleted),            @grandparentId = (SELECT parentCategory FROM smvcModImageManagerCategory                                WHERE id = @parentId)    END             -- If I am not a top level category, set my parent's pdf to be    -- updated    IF @parentId <> -1    BEGIN        SELECT @parentPdfId = (SELECT pdfManagerId                                 FROM smvcModImageManagerCategory                                WHERE id = @parentId);        UPDATE smvcModPdfManager SET data_last_updated = GETDATE()            WHERE id = @parentPdfId;    ENDGO



However, when I execute a statement like:


sql Code:






Original
- sql Code





DELETE FROM smvcModImageManagerCategory WHERE (smvcModImageManagerCategory.id IN ('86','87','88','90','91'))






 DELETE FROM smvcModImageManagerCategory WHERE (smvcModImageManagerCategory.id IN ('86','87','88','90','91'))



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Thank you.

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Code Block

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if update(pstat)
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i am using address table to store the address of employees, agents, students; so can't use cascade update and delete. so i decided to use trigger but i got stuck here as well.
Here employeeid is the PK of employee id. so when it is updated, i want to update that id in corresponding address table as well.
so what i need is to find out the previous value of EmployeeID before updating to use in WHERE clause and new EmployeeID to use in SET clause.

<code>
CREATE TRIGGER [AddressUpdate] ON [dbo].[MCS_Employee]
FOR UPDATE
AS
IF UPDATE(EmployeeID)
BEGIN
UPDATE MCS_Address SET EmployeeID = 'i am stuck here; how to know the previous value?
WHERE EmployeeID = ???
END
</end>

ironically, PK in my table can be updateable as well.

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Update Trigger

Sep 1, 2005

Hello all. I have a table which is the exact replication of a different table. Now if an update takes place in the original table I want to copy that row into the new table without the update.I have this but I am not sure if it works.Create Trigger Content_Archive on content
For Update
As
Insert Into content_audit Select * From DeletedI dont know if Updated exists so I am using Deleted. It is returning both rows (before and after update). And the insert should take place as soon as an update takes place in any field in the content table.

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