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  • From: Constantin Vasilyev <vasilyev AT ncbi.nlm.nih.gov>
  • To: <freetds AT lists.ibiblio.org>
  • Subject: [freetds] freebcp - problems with blobs >8K
  • Date: Fri, 16 May 2014 13:42:04 -0400

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





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