ODBC - SQL Server image data problems with recent releases of ODBC
am 25.01.2009 20:44:35 von Horace RedelmyerI have a Perl program that writes binary data to a SQL Server image
field using DBD::ODBC.
This works fine in Perl 5.8.8 build 822 ($DBD::ODBC::VERSION = '1.13';)
However, there are two problems with build 824 with an upgraded ODBC or
with Perl 5.10.0 build 1004.
First - data written to the image field is being truncated, i.e. not all
of the data shows up in the database. Writing the data to a file at the
same time as writing to the database shows that program is still
generating the data correctly, so the fault is with DBI or DBD::ODBC.
Second - on reading the data, ODBC thinks the size is longer than it
actually is and gives me right truncation errors unless I increase the
long read length by a factor of 10.
Does anyone have any clue as to what might be happening here for me. Any
help would really be appreciated.
Thanks
Horace
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