Reseed The Identity Column With Trigger.
Oct 26, 2005
I need to populate a temporary holding table from a trigger. The contents of this table will be added to another table when the Trigger has completed processing. The id column of the temporary table will be added to the max value in the final table to create the record identifier. I used an identity field in the temporary table to accomplish this. My initial idea was to create a temp table in the code for the trigger then drop the temp table when each recursion is complete. However I got "cannot use Create table in Trigger". Then I tried to make temp table in stored proc called by trigger. Same message. Then made permanent "temp" table, and tried to Trucate table after each use. I got "Cannot use Trucate Table in Trigger". Finally I used delete from and DBCC Checkident to reseed identity. This worked in Query analyzer. I worked in VB project using ADO. However, I after deployment I was informed that VB project using RDS to make and update ADO recordsets was failing to run the trigger. After troubleshooting I was alerted that DBCC CheckIdent can only be run by table owner. Business rules prevent this. Therefore I would like to know if anyone knows any other way to reseed an identity, before I abandon this approach and start over.
Thanks for trying.
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Oct 25, 2005
Hello there,
I am having problem in modifying the identity column of a table.
Currently the identity column is seeded by 1 with an increment of 1 and DATA with these properties of the column is stored.
Now, I want to reseed the identity column with an increment of 2.
The query I am using is
ALTER TABLE XP ALTER COLUMN XP_ID BIGINT IDENTITY ( 500, 2 ) NOT NULL
Is there any one out there who can help me?
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Feb 21, 2008
Is there a way to reseed the Identity column in SQL Server Compact Edition? The following command does not appear to work DBCC CHECKIDENT (Table_Name, RESEED, 0) and I cannot seem to TRUNCATE the table either. Not sure if table truncation is even supported.
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Feb 5, 2001
hi,
i got a little problem. when i insert values into a table a trigger is launched wich updates something in the table too.
CREATE TRIGGER T1 ON Tbl
FOR INSERT AS
BEGIN
IF (UPPER(USER) <> 'CONVERSIE')
BEGIN
UPDATE Tbl SET
Datum = GetDate(),
User = USER,
WHERE Tbl.ID= (SELECT ID FROM inserted)
END
END
the error i receive is this: 'can not update identity column id' (id being pk).
does anyone know how to deal with this?
tnx,
erik.
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Nov 21, 2015
I am new in sql server. I am using TSQL2012 database. I have added a new column in processedOrderCount in Hr.Employees table. And created a trigger on Sales.Orders table that whenever orderId is updated it automatically updated processedOrderCount in Hr.Employees. There is a problem that the orderId is the identity column I can't update it. How can we work with identity column? the code of my trigger is:
If Object_id ('Sales.trig_Calculate_OrderProcessed', 'tr') is not null
Drop Trigger Sales.trig_Calculate_OrderProcessed
go
Create Trigger Sales.trig_Calculate_OrderProcessed
ON Sales.Orders
[Code] ....
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Mar 22, 2008
Hi,
I have to tables : Rank and Item
Rank contains a FK named R_I_id which references Item's primary key named I_id, which is also an identity column.
I want the field R_I_id of table Rank to be updated with the value of Item's I_id when a new Item is inserted. So I wrote the following trigger :
CREATE TRIGGER [dbo].[trg_oninsertitem]
ON [dbo].[Item]
AFTER INSERT
AS
BEGIN
SET NOCOUNT ON
SET IMPLICIT_TRANSACTIONS OFF
DECLARE @I_id INT
SELECT @I_id = SCOPE_IDENTITY()
BEGIN TRANSACTION
INSERT Rank(R_I_id) VALUES(@I_id)
IF (@@ERROR <> 0) BEGIN
PRINT 'error in trigger trg_oninsertitem'
ROLLBACK TRANSACTION
END
COMMIT
END
But when I insert a value in Item, I got the following message :
Msg 515, Level 16, State 2, Procedure trg_oninsertitem, Line 17
Cannot insert the value NULL into column 'R_T_id', table 'base.dbo.Rank'; column does not allow nulls. INSERT fails.
and I don't understand, because my trigger is fired after the value is inserted in table Item, so the field I_id should contain a new identity value, not NULL
my DBMS is SQL Server 2000
thanks in advance for your help
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Jun 19, 2008
Hi,
I am having problem in bulk update of a sql server table haning identity column from a datatable( has no identity column) using sqlbulkcopy. I tried several approaches, but it does not show any error nor is the table getting updated. But the identity value seems to getting increased every time.
thanks.
varun
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Aug 12, 2009
when i alter non identity column to identity column using this Query alter table testid alter column test int identity(1,1) then i got this error message Msg 156, Level 15, State 1, Line 3 Incorrect syntax near the keyword 'identity'.
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Jan 25, 2015
I have table of three column first column is an ID column. However at creation of the table i have not set this column to auto increment. Then i have copied 50 rows in another table to this table then set the ID column values to zero.
Now I have changed the ID column to auto increment seed=1 increment=1 but the problem is i couldn't figure out how to update this ID column with zero value set to each row with this auto increment values so the ID column would have values from 1-50. Is there a away to do this?
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Sep 19, 2005
Ok,I just need to know how to get the last record inserted by the highestIDENTITY number. Even if the computer was rebooted and it was twoweeks ago. (Does not have to do with the session).Any help is appreciated.Thanks,Trint
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Aug 1, 2014
I'm working with a third-party database (SQL Server 2005) and the problem here is the following:
- There are a bunch of ETL processes that needs to insert rows on a table (let's call this table T) and at the same time, an ERP (owner of T) is up and running (reading, updating and inserting on T).
- The PK of T is an Integer.
Today all ETL processes uses (select max(ID) + 1 from T) to insert new rows, so just picture the scenario. It is a mess! Everyday they get duplicate key error when 2 or more concurrent processes are trying to insert a row (with the max) at the same time.
Considering that I can't change the PK, what is the best approach to solve this problem?
To sum up:
* I need to have processes in parallel inserting on T
* I can't change anything on T
* The PK is NOT an Identity
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Jun 7, 2008
I have 2 identical databases. In DB1 there is no data. DB2 some of the tables have data. DB1 updates DB2 but just for demonstration purposes I need the ID fields to match (identity fields). So I ran a script to reseed all the tables in both databases.
In the database, in tables with NO records, some start at 100 and some start with 101. Help! It's driving me craz!
EXEC sp_MSforeachtable 'IF OBJECTPROPERTY(OBJECT_ID(''?''), ''TableHasIdentity'') = 1 BEGIN DBCC CHECKIDENT (''?'',RESEED,100) END'
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May 22, 2008
Hi,
I have a problem with a instead of Trigger. The Trigger's target is a view.
When the Trigger is called during a query insert I must store the data inside two tables. The tables are related with each other by the primary key.
So I must: a. Insert the data in the first table. b. Get the value of the Identity c. Insert the data in the second table.
But I have a problem: the value returned of the query "SELECT ID FROM FIRST_TABLE WHERE ID = SCOPE_IDENTITY()" is null. I'm sure that the first insert query is executed.
Where is the error?
Thanks
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Sep 16, 2006
Reseeding in SQL Server gets different results based on whether the table has ever had data in it.
ref: http://cs.thycotic.net/blogs/bryant_smith/archive/2006/01/17/65.aspx
I am having the same problem. Any suggestions ?
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Oct 16, 2006
Hi all,
The requirement is to have a table say 'child_table', with an Identity column to refer another column from a table say 'Parent_table'..
i cannot implement this constraint, it throws the error when i execute the below Alter query,
ALTER TABLE child_table ADD CONSTRAINT fk_1_ct FOREIGN KEY (child_id)
REFERENCES parent_table (parent_id) ON DELETE CASCADE
the error thrown is :
Failed to execute alter table query: 'ALTER TABLE child_table ADD CONSTRAINT
fk_1_ct FOREIGN KEY (child_id) REFERENCES parent_table (parent_id) ON DELETE
CASCADE '. Message: java.sql.SQLException: Cascading foreign key 'fk_1_ct' cannot be
created where the referencing column 'child_table.child_id' is an identity column.
any workarounds for this ?
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Jan 26, 2007
Hi,
I'm trying to set up merge replication and when I try to synchrinize with the subscriber I get the error "invalid column name ROWGUIDCOL". Following an article it recomended to reseed the identity columns on the subscriber so that there is no conflict. Now the tables with the identity column have the "Not for replication "option on. Using DBCC CHECKIDENT (table_name, RESEED, some_value) does not change the SEED when I check. SQL server help file remarks on DBCC CHECKIDENT say that if the column was created with the "Not for replication " option on it cannot change the value.
From sql server help file:
Remarks
If necessary, DBCC CHECKIDENT corrects the current identity value for a column. The current identity value is not corrected, however, if the identity column was created with the NOT FOR REPLICATION clause (in either the CREATE TABLE or ALTER TABLE statement).
Any way around it or any help so I dont get that "invalid column name ROWGUIDCOL" error?
Thanks allot. Looking forword
George
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Sep 7, 2007
Hi guys,
If I have a temporary table called #CTE
With the columns
[Account]
[Name]
[RowID Table Level]
[RowID Data Level]
and I need to change the column type for the columns:
[RowID Table Level]
[RowID Data Level]
to integer, and set the column [RowID Table Level] as Identity (index) starting from 1, incrementing 1 each time.
What will be the right syntax using SQL SERVER 2000?
I am trying to solve the question in the link below:
http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=2093921&SiteID=1
Thanks in advance,
Aldo.
I have tried the code below, but getting syntax error...
ALTER TABLE #CTE
ALTER COLUMN
[RowID Table Level] INT IDENTITY(1,1),
[RowID Data Level] INT;
I have also tried:
ALTER TABLE #CTE
MODIFY
[RowID Table Level] INT IDENTITY(1,1),
[RowID Data Level] INT;
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Apr 23, 2014
I have encountered an anomaly. The dbcc checkident(reseed) command behaves differently on two SQL servers.
In both cases, I am deleting from (not truncating) data in two tables, due to foreign key constraints. (I am truncating other tables, the issue is not with those tables, only with the deleted-from tables.) On one server, I need to use dbcc checkident(reseed,0) so that when I insert fresh data, it begins with identity key #1. According to MS documentation, that appears to be the correct behavior, when data has been deleted from a table, rather than truncated.
However, on the other server, I need to use dbcc checkident(reseed,1); if I use ...(reseed,0) on that server, it begins inserting data with identity key #0.
This is consistent, repeatable behavior on both servers.
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Oct 6, 2004
Hi All
I have a problem with an existing stored procedure that is used to insert a new entry to a table (using an Insert statement).
I have been using the @@Identity global variable to return the identity column (id column) back to the calling routine. This has worked fine for years until recently an ‘after insert Trigger’ has been added to the table being updated.
Now the @@Identity is returning the identity value of the trigger that was called instead of the original table insert.
Does anyone know how I can code around this issue (without using a select statement within my stored proc, as these have been known to cause locks in the past).
Thank in advance.
Eamon.
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Jan 9, 2007
Hello;
My Memebership table has Guid column as Primary key.
But I would like to add Auto numbering Identity column to this table.
Is this idea OK or it will bring some problems?
Thank you in advance for your help
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Aug 3, 2006
i have a table
table1
column1 int not null
column2 char not nul
column3 char
i want to script a change for table1 to alter column1 to be the table identity column. not primary.
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Mar 5, 2004
Hi,
I have a column that is unique that I would like to make into an IDENTITIY column after I insert some data into it.
I tried
alter table <table_name>
alter column <col_name> int Identity (1,1)
but it fails.
Ajay
WORD4LIFE
(http://www.word4life.com)
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Jul 20, 2005
Hi(SQL Server 2000)I have an existing table (t) with a column that is NOT an identity column(t.ID), but it has manually inserted "row numbers". I want to make thiscolumn become an identity column. This column is a key field to othertables, so I want to keep the row numbers that are allready inserted.From the Query Analyzer, how do I do this?Thanks in advance!Regards,Gunnar VøyenliEDB-konsulent asNORWAY
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Apr 2, 2007
Hi,
I have two tables table1 and new_table
Table1 has id_value column which is int and it is idenity specification is yes and identity increment is 1 .
And I have a NEW_TABLE with column name new_id which should store current id_value of Table1.
This type of functionality is requirement for my project.
I should get a current value of id_value from table1 . if I say SELECT * FROM NEW_TABLE ;
Please help me out to fix this issue
Thanks
Purnima
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May 14, 2015
I have a problem described as follows: I have a table with one instead of insert trigger:
create table TMessage (ID int identity(1,1), dscp varchar(50))
GO
Alter trigger tr_tmessage on tmessage
instead of insert
as
--Set NoCount On
insert into tmessage
[code]....
When I execute P1 it returns 0 for Id field of @T1.
How can I get the Identity in this case?
PS: I can not use Ident_Current or @@identity as the table insertion hit is very high and can be done concurrently.Also there are some more insertion into different tables in the trigger code, so can not use @@identity either.
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Dec 17, 2001
Hi, I want to change an int column (not null) to identity column. I tried
the following:
alter table myTable alter column ID int identity(10, 1) not null
But it failed with the error message:
Incorrect syntax near the keyword 'identity'.
Can someone please show me the correct statement (if it exists)>
Many thanks.
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Jan 23, 2008
Hi,
I have a trigger set on TABLE1 so that any update to this column should set off trigger to write to the AUDIT log table, it works fine otherwise but not the very first time when table1 has null in the column. if i comment out
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
where i.req_guid = d.req_guid
and i.req_fname <> d.req_fname
Thanks,
leo
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Nov 8, 2007
I have been trying to get the new sol_id that is added so I can use it in other code, but it is only returning 0. The new record is getting added to the table, but my varaiable myNewSolID is 0 in my response.write(myNewSolID)
I appeaciate any help!
Here is my steored procedure and my code:
ALTER PROCEDURE [dbo].[AddTrackings]
@DropDate datetime,
@Comment nvarchar(100),
@DateEntered datetime,
@EnteredBy nvarchar(50),
@Sol_ID Int OUTPUT
AS
INSERT INTO tblTrackings (DropDate, Comment, DateEntered, EnteredBy)
VALUES (@DropDate,@Comment,@DateEntered,@EnteredBy)
SET @Sol_ID=SCOPE_IDENTITY()
RETURN
Sub ProcessTracking()
Dim myNewSolID As Integer
Dim ConnectStr As String = _
ConfigurationManager.ConnectionStrings("2ConnectionString").ConnectionString
Dim MySQL As String = ""
If Me.chkDropSave.Checked Then
MySQL = "AddTrackings"
Dim MyConn As New SqlConnection(ConnectStr)
Dim Cmd As New SqlCommand(MySQL, MyConn)
Cmd.CommandType = CommandType.StoredProcedure
Dim InsertedInteger As New SqlParameter("@Sol_ID", SqlDbType.Int)
InsertedInteger.Direction = ParameterDirection.Output
Cmd.Parameters.Add(InsertedInteger)
Dim MySqlParamStart As New SqlParameter("@DropDate", SqlDbType.DateTime)
Cmd.Parameters.Add(MySqlParamStart)
MySqlParamStart.Value = Me.BasicDatePickerDropDate.SelectedValue
Dim MySqlParamAmtTo As New SqlParameter("@Comment", SqlDbType.NVarChar, 100)
Cmd.Parameters.Add(MySqlParamAmtTo)
MySqlParamAmtTo.Value = Me.txtComment.Text
Cmd.Parameters.AddWithValue("@DateEntered", Now())
Cmd.Parameters.AddWithValue("@EnteredBy", Profile.UserName)
Try
MyConn.Open()
myNewSolID = Cmd.ExecuteScalar()Response.Write(myNewSolID)
Catch ex As Exception
Response.Write(ex.Message)
Finally
MyConn.Close()
End Try
Else
End If
End Sub
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Apr 24, 2008
Hi to all, Using sql query i want to check whether the column is Identity column or not? Please members reply me.
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Mar 27, 2001
Having an identity column in target table, how do I use SQL 7 DTS ?
In Import wizard, I chose 'ignore' in source, checked Enable Indenity Insert - DTS failed with a msg like - a column cannot have NULL...
In DTS package, had Fast load and Enable Indenity checked - no luck !
Unchecked Enable identity, do luck.
What would be the standard procs for this since this sounds like a very common
senario.
What I am expecting is to insert from source and SQL would take care identity column automatically.
Appreciate your help very much !
-Ivan
--------------------------------------------------------------------------------
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Sep 17, 2001
I want to know how to reset the identiy column when i delete a row from the existing table.
Example:
I have a table a with id (identity incr value 1) and name
I have 10 records inserted into it.,which would be from 1...thru...10 i delete a record say 5 then i have 1,2,3,4,6,7,8,9,10, now i want them to be rearranged to systamatic order like 1,2,3,4,5,6,7,8,9 how can i do this.
Thanks in advance,
Shaheen
"God Bless America"
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Feb 29, 2000
I have a table that has a field that will not accept null values. I was trying to create a new table with a new field that would accept null values. I would then drop the original table and rename the new table. The problem is my key field has the Identity column (Autonumber) turned on. This allows the recordID to be automatically generated. Is there anyway to bypass the Identity Column feature and still keep it there future records? I already tried the "with Nocheck Clause" but does not work.
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Nov 11, 1998
How does one bcp data INTO a MS SQL Server table that includes an IDENTITY column from a text file that does NOT include a value for the IDENTITY column? Surely, this must be a common process?
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