use strict;
use warnings;

sub create_temp_tables($$) {
    # Create copies of sp047 and sp057 for updating
    my ($dbh, $dbms) = (@_);
    my @sqls;
    if ($dbms eq 'ORACLE') {
        push @sqls, q{create table sp047_postcodes_temp as select * from sp047_postcodes};
        push @sqls, q{create table sp057_regions_temp as select * from sp057_regions};
    } else # SQLServer
    {
        push @sqls, q{select * into sp047_postcodes_temp from sp047_postcodes};
        push @sqls, q{select * into sp057_regions_temp from sp057_regions};
    }
    foreach my $sql (@sqls) {
        my $sth = $dbh->prepare($sql);
        if ($sth) {
            my $rc = $sth->execute();
            if ($sth->err) {
                myexit($sth->errstr, $dbh);
            } else { # Need to commit to release locks in SQL Server - we have done nothing else at this stage,
                # so no problem with this.
                $dbh->commit;
            }
            $sth->finish;
        } else {
            myexit("Unable to prepare SQL : " . $sql . "\n", $dbh);
        }
    }
}