You'd probably see a faster result by selecting a unique value in 1 SQL query for each record (if groupnumber is unique per each record, select that) store it into a hash:

$r{$groupnumber} = 1;

Then test the hash for the value as opposed to a single query for each record.

if ($r{$groupnum}) { next; } else { ## Add record }

You'll do one query at the start of your program and save the time for each query.

-techwolf


In reply to Re: DBI - need for speed by techwolf
in thread DBI - need for speed by with.a.twist

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