Re: Re: Re: Speeding up the DBI

in reply to Re: Re: Speeding up the DBI
in thread Speeding up the DBI

I had been under the impression that cursors don't work through DBD::Pg. I'm mistaken?

Comment on Re: Re: Re: Speeding up the DBI

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Re: Re: Re: Re: Speeding up the DBI by tantarbobus (Hermit) on Jul 14, 2003 at 20:04 UTC
`$dbh->do(q{DECLARE imprecator CURSOR FOR SELECT * FROM tablename}) ; my $number = 10; my $fetch = $dbh->prepare(q{FETCH $number FROM imprecator}); ## ### Fetch first $number * 10 rows. ## while ($fetch->execute()) { Data::Dumper::Dumper($fetch->fetchall_arrayref()); last if $fetch->rows() < $number; }` [download] Note: The code above has not been tested; it is for illustrative purposes only.	[reply] [d/l]

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Re: Re: Re: Re: Speeding up the DBI
by tantarbobus (Hermit) on Jul 14, 2003 at 20:04 UTC

$dbh->do(q{DECLARE imprecator CURSOR FOR SELECT * FROM tablename}) ;
my $number = 10;
my $fetch = $dbh->prepare(q{FETCH $number FROM imprecator});


##
### Fetch first $number * 10 rows.
##
while ($fetch->execute()) {
     Data::Dumper::Dumper($fetch->fetchall_arrayref());
     last if $fetch->rows() < $number;
}
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