troubleshooting Question

MSSQL 2000 TEXT Field type

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basiclife asked on
DatabasesMicrosoft SQL Server
10 Comments1 Solution483 ViewsLast Modified:
I'm trying to retrieve around 14000 characters from a TEXT field in MSSQL.

I've set the datatype to TEXT, placed the field last in the SELECT query. The data is being truncated at 8k (In VB6, ASP AND Query analyser). Drivers are the latest I can find.

I then came across this:

SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED
GO
DECLARE @iChunkSize      int,
      @iLoop            int,
      @iStart            int
SET       @iChunkSize       = 500
SET       @iLoop             = 2
SET       @iStart       = 0

BEGIN TRAN
DECLARE @ptr varbinary(16)
SELECT @ptr = textptr(Contents)
FROM intranet_brief
WHERE BriefID = 1


SET @iStart = @iChunkSize * @iLoop
READTEXT Intranet_Brief.Contents @ptr @iStart @iChunkSize


COMMIT TRAN
GO


Which is a slight variation on the one in Books Online however, there's no wasy of knowing when you've hit the end of the text as you can't LEN() a text. Therefore, however much I loop, I end up erroring when I try and read past the end of the data.

Please excuse the hurried write-up, many other things to do.

Any help greatly appreciated

(Oh, Version: MS SQL Server 2000 - Not changeable)
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