30 Day Old Delete

Sep 3, 2007

I have a database of posts which i want to delete after 30days of being on the site, my code so far gets all the data out of the table and then if their is more than 0 rows it loops within the tblTable and finds all the posts made within the last 30days and deletes them, my problem is how do I get it to work out 30days ago, for 30days time, its just " DateTime.Now.AddDays(30);" but i cant seem to do something as simple for back in time, heres my code :
 
    private void DeleteOldStuff()
    {
        string strSQL = "SELECT * FROM ForumPosts";
        SqlConnection Connection = new SqlConnection(ConfigurationManager.ConnectionStrings["BlinkConnectionString"].ConnectionString);
        Connection.Open();
        SqlCommand comm = new SqlCommand(strSQL, Connection);
        SqlDataAdapter da = new SqlDataAdapter(comm);
        tblData = new DataTable();
        da.Fill(tblData);
        Connection.Close();
        if (tblData.Rows.Count > 0)
        {
            for (int i = 0; i < tblData.Rows.Count; i++)
            {
                DataRow dr = tblData.Rows[i];
                if ("30DAYSAGO" <= dr["DateCreated"])
                {
                    Connection.Open();
                    SqlCommand Delete = new SqlCommand("DELETE FROM ForumPosts WHERE PostID = '" + dr["PostID"].ToString() +"'", Connection);
                    Delete.ExecuteNonQuery();
                    Connection.Close();
                }
            }
        }
    }
Any help / advice is appriciated! Thanks John
 

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First, this is not my code.

This one is weird and I am missing something fundamental on this one. A developer was getting a timeout with this...


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(
@SubmitterTranID VARCHAR(50)
)
AS
DECLARE
@COUNT INT,
@COMMIT INT

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IF (@@ERROR <> 0)
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IF (@@ERROR <> 0)
SET @COMMIT = 0
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END
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END
GO


I applied a couple of indices and got ride of the uncorrelated subqueries


CREATE PROCEDURE p_CM_DeleteBatch
(
@SubmitterTranID VARCHAR(50)
)
AS
DECLARE
@COUNT INT,
@COMMIT INT

SET @COUNT = 0
SET @COMMIT = 1 --DO NOT CHANGE THIS. The Operation will be commited only when this value is 1

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where (claimstatus NOT IN ('Keyed', 'Imported')) AND
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BEGIN
BEGIN TRANSACTION

DELETE INVOICECLAIMMAPPING
FROM INVOICECLAIMMAPPING
JOIN CLAIMSRECEIVED
ON INVOICECLAIMMAPPING.CLMRECDID = CLAIMSRECEIVED.CLMRECDID
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IF (@@ERROR <> 0)
SET @COMMIT = 0

DELETE FROM ClaimsPayment
WHERE SubmitterTranID = @SubmitterTranID
IF (@@ERROR <> 0)
SET @COMMIT = 0

DELETE FROM ClaimsPaymentServices WHERE SubmitterTranID = @SubmitterTranID
IF (@@ERROR <> 0)
SET @COMMIT = 0

DELETE ClaimsreceivedPayorServices
FROM ClaimsreceivedPayorServices
JOIN ClaimsReceivedPayors
ON ClaimsreceivedPayorServices.ClmRecdPyID = ClaimsReceivedPayors.ClmRecPyID
WHERE ClaimsReceivedPayors.SubmitterTranID = @SubmitterTranID
IF (@@ERROR <> 0)
SET @COMMIT = 0

DELETE ClaimsReceivedPayors
FROM ClaimsReceivedPayors
JOIN ClaimsReceived
ON ClaimsReceivedPayors.ClmRecdid = ClaimsReceived.ClmRecdid
WHERE ClaimsReceived.SubmitterTranID = @SubmitterTranID

IF (@@ERROR <> 0)
SET @COMMIT = 0

DELETE FROM ClaimsReceivedServices WHERE SubmitterTranID = @SubmitterTranID
IF (@@ERROR <> 0)
SET @COMMIT = 0

DELETE FROM ClaimsReceived WHERE SubmitterTranID = @SubmitterTranID
IF (@@ERROR <> 0)
SET @COMMIT = 0

DELETE FROM BATCHLOGCLAIMS WHERE SubmitterTranID = @SubmitterTranID
IF (@@ERROR <> 0)
SET @COMMIT = 0

IF (@COMMIT = 1)
BEGIN
--ROLLBACK TRANSACTION --For Testing Purpose ONLY
COMMIT TRANSACTION
RETURN (0)
END
ELSE
BEGIN
ROLLBACK TRANSACTION
RETURN (-1)
END
END
ELSE
BEGIN
RaisError ('This Batch cannot be deleted. It has claim(s) which has been Adjudicated', 16, 1)
END
GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS ON

GO


Suddenly this constraint was being violated with the change


ALTER TABLE [dbo].[ClaimsReceivedPayorServices] ADD CONSTRAINT [FK_ClaimsReceivedPayorServices_CLAIMSRECEIVEDPAYOR S] FOREIGN KEY
(
[ClmRecdPyID]
) REFERENCES [CLAIMSRECEIVEDPAYORS] (
[CLMRECPYID]
)


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How To Delete?..

May 29, 2007

what codes should i use if i want to delete a record in sql using vb6?.,

because this doesnt work..

Confirm = MsgBox ("Are you sure you want to delete this record?", vbYesNo, "Deletion Confirmation")
If Confirm = vbYes Then
adodc1.Recordset.Delete
MsgBox "Record Deleted!", , "Message"
Else
MsgBox "Record Not Deleted!", , "Message"
End If

-grrr.,they are teaching us about sql now??.,
gggrrrrrr!!!!.,our skuL is useless!.,

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Delete From

Jan 6, 2004

Dear friends,

I have a table called CAT with a PK field ID_CAT where it data type is a varchar(30).
I can post it without any error type but if I send a statement for delete a record
using any fields in the table, the follow message error rise in a exception:


Project DigitalCAT2004.exe raised exception class EOleException with
message 'Syntax error converting the varchar value '01-02503/99' to a
column of data type int'. Process stopped. Use Step or Run to continue.

I´m using Delphi with ADO components for acess the server, with Command component
where I´m using the follow statement :

CMD.CommandText:='DELETE FROM CAT WHERE ID_CAT='+Edit1.Text;
CMD.Execute;

Please somebody help me cos I don´t know more what I can do.
Thanks for attetion

Leonardo Almeida

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Apr 10, 2008

I am trying to delete a specific record where it does not exist in another related table
ex. delete a registration if it does not have an associated invoice

ALTER PROCEDURE
dbo.DeleteRegistrationByRegistrationID(@registrationID int)
As
Delete
@registrationID
From
registrations
Where
registrations.registrationID
NOT IN (
SELECT
invoices.registrationID
FROM
invoices
WHERE
invoices.registrationID = @registrationID);

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PLEASE DELETE

Feb 16, 2006

Please delete. Your members are unable help. Thanks anyway!

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