[freetds] Problem with OTL & bulk insert
ZIGLIO, Frediano, VF-IT
Frediano.Ziglio at vodafone.com
Wed Jul 28 11:44:40 EDT 2004
>
> Hello,
>
> Attached a simple little test program that is supposed to
> batch-insert a number of rows.
>
> What's supposed to happen ( and works on Windows + ODBC ) is
> that the insert statements are buffered in batches of 50 and
> then send to the database.
> This saves 49 round-trips for every 50 inserts.
>
> Unfortunately this does not seem to work on freetds ( or not
> implemented ). It seems to only insert the first one of every batch.
>
OTL it's broken, FreeTDS (according to specifications) returns that it
cannot insert multiple rows and OTL ignore the warning and no not take
into account number of rows processed...
> If I change the buffer-size for the insert to 1, then it
> works fine ( also the select statement with a buffer of 50
> )... However this defeats the performance issue.
>
> Currently I am using version: freetds-0.63.dev.20040514.tgz
>
Use more recent snapshot and --enable-developing option.
> attached are:
> - sample source code
> - odbctrace file
> - otlv4.h file
>
> ( ps I am using libiodbc-3.51.1 )
> Please advise if you need more information.
>
> Best regards
> Piet
>
freddy77
More information about the FreeTDS
mailing list