You actually don't need the if/else block, as splice will return all of the remaining records in the 'else' case. I use the following:
(I probably don't need to rebuild the sql statement each iteration of the loop, only the first/last ones, but it's rare that I delete more than 100 at a time)
while ( @delete ) {
my @files = splice( @delete, 0, 100 );
my $sth_delete = $db->prepare( 'DELETE FROM SECCHI WHERE filep
+ath IN ('
. join ( ',', ( ('?') x @files ) )
. ')' );
$sth_delete->execute( @files )
or warn "Couldn't delete files";
}
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