I suggest you add another 'type' field to run the non-select query with $dbh->do($sql). However you probably only need run that query once not for each id.

for my $id (@id){
  my @query = (
    [1,"DECLARE GLOBAL TEMPORARY TABLE SESSION.temp 
        SELECT name,id FROM mytable 
        ON COMMIT PRESERVE ROWS WITH NORECOVERY"],
    [2,"SELECT name FROM SESSION.temp
        WHERE id=? AND salary >= 1","csvfile2_$id.csv"], 
    [2,"SELECT id FROM mytable
        WHERE id=? AND salary >= 1","csvfile1_$id.csv"],
  );

  for (@query){
    my ($type,$sql,$filename) = @$_;
    if ($type == 1){
      $dbh->do($sql);
    } elsif ($type == 2){
      run_query($sql,$filename,$id);
    }
  }
}

[download]
poj

In reply to Re^4: Multiple queries on DBI corresponding to multiple csv files? by poj
in thread Multiple queries on DBI corresponding to multiple csv files? by jtech

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