my $count_query = delete($sql_query->{'count_query'});
my @extra_headers = @{ delete($sql_query->{'extra_headers'}) };
my @extra_fields = @{ delete($sql_query->{'extra_fields'}) };
my $count_query = delete($sql_query->{'count_query'});
my @extra_headers = @{ delete($sql_query->{'extra_headers'}) };
my @extra_fields = @{ delete($sql_query->{'extra_fields'}) };