Re: Bulk row fetching

"Carmen Wai" <wai_carmen@hotmail.com> writes:
> I want to implement a similar mechanism as bulk row fetching in MFC ODBC
> classes for postgresql. For the very large record sets, it can fetch the
> first (let say) 100 records. After that, it can automatically fetch the next
> 100 records WITHOUT executing the SQL statement again, it will save lots of
> memory resouce / time.

> I only find that postgresql support : select * from table_name limit N
> offset M, but if I do it in this way, the DB need multiple execution which
> will take up lots of time.

Use a cursor.

            regards, tom lane