Обсуждение: postdrv & 'query string to long' revisted

Поиск
Список
Период
Сортировка

postdrv & 'query string to long' revisted

От
CB
Дата:
Is there a workaround to the 8K query size limit?  I'm trying to export
some tables from access and am encountering the dreaded 'query string
too long' problem.

Thanks!

Craig


Re: postdrv & 'query string to long' revisted

От
Tom Lane
Дата:
CB <craigbe@ids.net> writes:
> Is there a workaround to the 8K query size limit?  I'm trying to export
> some tables from access and am encountering the dreaded 'query string
> too long' problem.

Which ODBC driver are you using?

It looks like no one has gotten round to teaching ours that there is
no more query length limit --- it still has hardwired internal buffer
sizes :-(.  But the limit it imposes appears to be 16K not 8K in the
current code.  If you are getting 8K then you are probably using a
very old version of the ODBC code, or maybe someone else's driver
entirely.

A quick-hack solution is just to increase MAX_QUERY_SIZE in
src/interfaces/odbc/psqlodbc.h to whatever you need.

            regards, tom lane

Re: postdrv & 'query string to long' revisted

От
Peter Eisentraut
Дата:
CB writes:

> Is there a workaround to the 8K query size limit?

Upgrading to 7.0


--
Peter Eisentraut                  Sernanders väg 10:115
peter_e@gmx.net                   75262 Uppsala
http://yi.org/peter-e/            Sweden