1) fetchrow_arrayref is faster than fetchrow_array, as Alex has noted.
2) I see you've already set RowCacheSize. Anecdotal evidence ( not just
mine)
suggests that the diminished returns obtained by setting this >100 aren't
worth it.
3) try selectall_arrayref if you're data is not really large. 'really
large' depends
on your environment.
4) join DBI users list, found at lists.perl.org.
Jared
Alex <[EMAIL PROTECTED]>
Sent by: [EMAIL PROTECTED]
03/06/2003 01:34 PM
Please respond to ORACLE-L
To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]>
cc:
Subject: Re: perl DBI question: fetchrow_array
try using fetchrow_arrayref and see if its faster or less resource
intensive.
On Thu, 6 Mar 2003, gmei wrote:
> I have some perl code which selects table data and write it into a file.
I
> have something like:
>
> -------
> $dbh->{RowCacheSize} = 10000;
> open(DATA, ">$tn") || die "Can't open file\n";
> $dat=$dbh->prepare("select id||chr(9)||FUNCTIONID||chr(9)||GENEID from
> FUNCTION2GENE");
> $dat->execute();
> while(($row) = $dat->fetchrow_array) {
> print DATA "$row\n";
> }
> close(DATA);
> -----
>
> I am trying to see if there is any way to speed up the process.
>
> So here is my question:
>
> Is "fetchrow_array" the fatest way to get the data?
>
> TIA.
>
> Guang
>
>
>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.net
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> Author: gmei
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