private Column convertPrimitiveField(final Type fieldType) {
final String fieldName = fieldType.getName();
final PrimitiveTypeName parquetPrimitiveTypeName =
fieldType.asPrimitiveType().getPrimitiveTypeName();
final OriginalType originalType = fieldType.getOriginalType();
return parquetPrimitiveTypeName.convert(
new PrimitiveType.PrimitiveTypeNameConverter<Column, RuntimeException>() {
@Override
public Column convertBOOLEAN(PrimitiveTypeName primitiveTypeName) {
return new Column(fieldName, TajoDataTypes.Type.BOOLEAN);
}