[freetds] freebcp - problems with blobs >8K

Frediano Ziglio freddy77 at gmail.com
Mon May 19 18:32:14 EDT 2014


2014-05-16 18:42 GMT+01:00 Constantin Vasilyev <vasilyev at ncbi.nlm.nih.gov>:
> Hi FreeTDS team,
>
>
> I ran into a problem trying to freebcp some larger blobs in and out of MS SQL 2008 server.
> The host table may look like:
>
> create table blobs (id int not null, data image)
>
>
>
> Smaller blobs load in and out just fine:
>
>> cat /tmp/blobs.bcp
> 1       0123456780
>> freebcp foo.dbo.blobs in /tmp/blobs.bcp -S MSSQL0 -c -U **** -P ****
>
> Starting copy...
> 1 rows copied.
>>
>
> but once the blob gets larger than 8K the command fails with errors like:
>
>
> Starting copy...
> *** glibc detected *** freebcp: free(): corrupted unsorted chunks: 0x0000000002241a90 ***
> *** glibc detected *** freebcp: malloc(): memory corruption: 0x0000000002243d10 ***
>
> I tried 0.91 stable and 0.92.377 with the same result.
>
> Any clue?
>
>
>
> Constantin
>


Fixed in both 0.91 and master.

Frediano


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