Re: BUG #1756: PQexec eats huge amounts of memory

Neil Conway wrote:
> Denis Vlasenko wrote:
>
>> The same php script but done against Oracle does not have this
>> behaviour.
>
>
> Perhaps; presumably Oracle is essentially creating a cursor for you
> behind the scenes. libpq does not attempt to do this automatically; if
> you need a cursor, you can create one by hand.

I do not understand how a cursor could be autocreated by a query like

    $result = pg_query($db, "SELECT * FROM big_table");

php will expect $result to contain the entire table (yuck!).