Cannot add certain integers to table

• mcinwg

  Grasshopper

  Points: 23

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  February 7, 2011 at 12:04 pm

  #244900

  I have a table :

  CREATE TABLE [dbo].[haEmails] (

  [emailRef] [int] IDENTITY (1, 1) NOT NULL ,

  [Sent] [bit] NOT NULL ,

  [FromUserNum] [int] NOT NULL ,

  [ToUserNum] [int] NOT NULL ,

  [MessageType] [int] NOT NULL ,

  [AddedAt] [datetime] NOT NULL ,

  [SentAt] [datetime] NULL ,

  [MessageText] [varchar] (600) NULL ,

  [Version20091013] [bit] NOT NULL

  ) ON [PRIMARY]

  GO

  ALTER TABLE [dbo].[haEmails] WITH NOCHECK ADD

  CONSTRAINT [PK_TestEmails] PRIMARY KEY CLUSTERED

  (

  [emailRef]

  ) WITH FILLFACTOR = 90 ON [PRIMARY]

  GO

  ALTER TABLE [dbo].[haEmails] ADD

  CONSTRAINT [DF_TestEmails_Sent] DEFAULT (0) FOR [Sent],

  CONSTRAINT [DF_TestEmails_MessType] DEFAULT ((-1)) FOR [MessageType],

  CONSTRAINT [DF_TestEmails_AddedAt] DEFAULT (getdate()) FOR [AddedAt],

  CONSTRAINT [DF_haEmails_Version20091013] DEFAULT (0) FOR [Version20091013]

  GO

  My application wasn't always responding to an INSERT trigger on the table, and my investigations found that :

  In Enterprise Manager, adding a new row :

  haEmails(FromUserNum,ToUserNum,MessageType)

  Values (22,11,-1)

  fails, with message "string or binary data would be truncated".

  But, Values (22,11,1) is successful.

  In the range 1..250 I only get this behaviour for FromUserNum = 22 or 74 or 97, all other FromUserNum integers allow a negative MessageType value.

  The criteria for failure appear to be :

  (FromUserNum = 22 OR FromUserNum = 74 OR FromUserNum = 97)

  AND MessageType < 0

  Can anyone tell me what's going on and how to avoid the problem ?

  Thanks in anticipation.

  Mike C

• Lowell

  SSC Guru

  Points: 323518

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  February 7, 2011 at 12:42 pm

  #1283385

  the error "string or binary data would be truncated". is specific to char/varchar fields...it doesn't have anything to do with integer fields.

  since the command you are using doesn't even touch the sole varchar(600) column in your definition, I'd look to see if there are any triggers on the table...maybe there is a trigger that is updating something and it is failing.

  Lowell

  ---

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• jimmylee150

  Grasshopper

  Points: 11

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  August 15, 2011 at 4:14 am

  #1368496

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