Java Code Examples for org.apache.hadoop.hive.ql.exec.vector.LongColumnVector#ensureSize()

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Example 1
Source File: ORCRecordExtractorTest.java    From incubator-pinot with Apache License 2.0 4 votes vote down vote up 
/**
 * Create an ORC input file using the input records
 */
@Override
protected void createInputFile()
    throws IOException {
  TypeDescription schema = TypeDescription.fromString(
      "struct<user_id:int,firstName:string,lastName:string,bids:array<int>,campaignInfo:string,cost:double,timestamp:bigint>");
  Writer writer = OrcFile.createWriter(new Path(_dataFile.getAbsolutePath()),
      OrcFile.writerOptions(new Configuration()).setSchema(schema));

  int numRecords = _inputRecords.size();
  VectorizedRowBatch rowBatch = schema.createRowBatch(numRecords);
  LongColumnVector userIdVector = (LongColumnVector) rowBatch.cols[0];
  userIdVector.noNulls = false;
  BytesColumnVector firstNameVector = (BytesColumnVector) rowBatch.cols[1];
  firstNameVector.noNulls = false;
  BytesColumnVector lastNameVector = (BytesColumnVector) rowBatch.cols[2];
  ListColumnVector bidsVector = (ListColumnVector) rowBatch.cols[3];
  bidsVector.noNulls = false;
  LongColumnVector bidsElementVector = (LongColumnVector) bidsVector.child;
  bidsElementVector.ensureSize(6, false);
  BytesColumnVector campaignInfoVector = (BytesColumnVector) rowBatch.cols[4];
  DoubleColumnVector costVector = (DoubleColumnVector) rowBatch.cols[5];
  LongColumnVector timestampVector = (LongColumnVector) rowBatch.cols[6];

  for (int i = 0; i < numRecords; i++) {
    Map<String, Object> record = _inputRecords.get(i);

    Integer userId = (Integer) record.get("user_id");
    if (userId != null) {
      userIdVector.vector[i] = userId;
    } else {
      userIdVector.isNull[i] = true;
    }
    String firstName = (String) record.get("firstName");
    if (firstName != null) {
      firstNameVector.setVal(i, StringUtils.encodeUtf8(firstName));
    } else {
      firstNameVector.isNull[i] = true;
    }
    lastNameVector.setVal(i, StringUtils.encodeUtf8((String) record.get("lastName")));
    List<Integer> bids = (List<Integer>) record.get("bids");
    if (bids != null) {
      bidsVector.offsets[i] = bidsVector.childCount;
      bidsVector.lengths[i] = bids.size();
      for (int bid : bids) {
        bidsElementVector.vector[bidsVector.childCount++] = bid;
      }
    } else {
      bidsVector.isNull[i] = true;
    }
    campaignInfoVector.setVal(i, StringUtils.encodeUtf8((String) record.get("campaignInfo")));
    costVector.vector[i] = (double) record.get("cost");
    timestampVector.vector[i] = (long) record.get("timestamp");

    rowBatch.size++;
  }

  writer.addRowBatch(rowBatch);
  rowBatch.reset();
  writer.close();
}