Package org.apache.drill.exec.record

Examples of org.apache.drill.exec.record.RecordBatchLoader

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  @Test
  public void testBigIntVarCharReturnTripConvertLogical() throws Exception {
    String logicalPlan = Resources.toString(Resources.getResource(CONVERSION_TEST_LOGICAL_PLAN), Charsets.UTF_8);
    List<QueryResultBatch> results =  testLogicalWithResults(logicalPlan);
    int count = 0;
    RecordBatchLoader loader = new RecordBatchLoader(getAllocator());
    for(QueryResultBatch result : results){
      count += result.getHeader().getRowCount();
      loader.load(result.getHeader().getDef(), result.getData());
      if (loader.getRecordCount() > 0) {
        VectorUtil.showVectorAccessibleContent(loader);
      }
      loader.clear();
      result.release();
    }
    assertTrue(count == 10);
  }
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  protected Object[] getRunResult(QueryType queryType, String planString) throws Exception {
    List<QueryResultBatch> resultList = testRunAndReturn(queryType, planString);

    List<Object> res = new ArrayList<Object>();
    RecordBatchLoader loader = new RecordBatchLoader(getAllocator());
    for(QueryResultBatch result : resultList) {
      if (result.getData() != null) {
        loader.load(result.getHeader().getDef(), result.getData());
        ValueVector v = loader.iterator().next().getValueVector();
        for (int j = 0; j < v.getAccessor().getValueCount(); j++) {
          if  (v instanceof VarCharVector) {
            res.add(new String(((VarCharVector) v).getAccessor().get(j)));
          } else {
            res.add(v.getAccessor().getObject(j));
          }
        }
        loader.clear();
        result.release();
      }
    }

    return res.toArray();
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    this.columnWidths = columnWidths;
  }

  protected int printResult(List<QueryResultBatch> results) throws SchemaChangeException {
    int rowCount = 0;
    RecordBatchLoader loader = new RecordBatchLoader(getAllocator());
    for(QueryResultBatch result : results){
      rowCount += result.getHeader().getRowCount();
      loader.load(result.getHeader().getDef(), result.getData());
      if (loader.getRecordCount() <= 0) {
        break;
      }
      VectorUtil.showVectorAccessibleContent(loader, columnWidths);
      loader.clear();
      result.release();
    }
    System.out.println("Total record count: " + rowCount);
    return rowCount;
  }
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  }

  protected String getResultString(List<QueryResultBatch> results, String delimiter) throws SchemaChangeException {
    StringBuilder formattedResults = new StringBuilder();
    boolean includeHeader = true;
    RecordBatchLoader loader = new RecordBatchLoader(getAllocator());
    for(QueryResultBatch result : results){
      loader.load(result.getHeader().getDef(), result.getData());
      if (loader.getRecordCount() <= 0) {
        break;
      }
      VectorUtil.appendVectorAccessibleContent(loader, formattedResults, delimiter, includeHeader);
      if (!includeHeader) {
        includeHeader = false;
      }
      loader.clear();
      result.release();
    }

    return formattedResults.toString();
  }
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      List<QueryResultBatch> results = client.runQuery(org.apache.drill.exec.proto.UserBitShared.QueryType.PHYSICAL,
          Files.toString(FileUtils.getResourceAsFile("/functions/cast/testCastVarCharNull.json"), Charsets.UTF_8).replace("#{TEST_FILE}", "/jsoninput/input1.json"));

      QueryResultBatch batch = results.get(0);

      RecordBatchLoader batchLoader = new RecordBatchLoader(bit.getContext().getAllocator());
      batchLoader.load(batch.getHeader().getDef(), batch.getData());

      Object [][] result = getRunResult(batchLoader);

      Object [][] expected = new Object[2][2];

      expected[0][0] = new String("2001");
      expected[0][1] = new String("1.2");

      expected[1][0] = new String("-2002");
      expected[1][1] = new String("-1.2");

      assertEquals(result.length, expected.length);
      assertEquals(result[0].length, expected[0].length);

      for (int i = 0; i<result.length; i++ ) {
        for (int j = 0; j<result[0].length; j++) {
          assertEquals(String.format("Column %s at row %s have wrong result",  j, i), result[i][j].toString(), expected[i][j]);
        }
      }
      batchLoader.clear();
      for(QueryResultBatch b : results){
        b.release();
      }

    }
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  @Test
  public void readComplexWithStar() throws Exception {
    List<QueryResultBatch> results = testSqlWithResults("select * from cp.`/store/json/test_complex_read_with_star.json`");
    assertEquals(2, results.size());

    RecordBatchLoader batchLoader = new RecordBatchLoader(getAllocator());
    QueryResultBatch batch = results.get(0);

    assertTrue(batchLoader.load(batch.getHeader().getDef(), batch.getData()));
    assertEquals(3, batchLoader.getSchema().getFieldCount());
    testExistentColumns(batchLoader, batch);

    batch.release();
    batchLoader.clear();
  }
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    List<QueryResultBatch> results = testPhysicalWithResults(queries[0]);
    assertEquals(2, results.size());
    // "`field_1`", "`field_3`.`inner_1`", "`field_3`.`inner_2`", "`field_4`.`inner_1`"

    RecordBatchLoader batchLoader = new RecordBatchLoader(getAllocator());
    QueryResultBatch batch = results.get(0);
    assertTrue(batchLoader.load(batch.getHeader().getDef(), batch.getData()));
    assertEquals(5, batchLoader.getSchema().getFieldCount());
    testExistentColumns(batchLoader, batch);

    VectorWrapper vw = batchLoader.getValueAccessorById(
        NullableIntVector.class, //
        batchLoader.getValueVectorId(SchemaPath.getCompoundPath("non_existent_at_root")).getFieldIds() //
    );
    assertNull(vw.getValueVector().getAccessor().getObject(0));
    assertNull(vw.getValueVector().getAccessor().getObject(1));
    assertNull(vw.getValueVector().getAccessor().getObject(2));

    vw = batchLoader.getValueAccessorById(
        NullableIntVector.class, //
        batchLoader.getValueVectorId(SchemaPath.getCompoundPath("non_existent", "nested","field")).getFieldIds() //
    );
    assertNull(vw.getValueVector().getAccessor().getObject(0));
    assertNull(vw.getValueVector().getAccessor().getObject(1));
    assertNull(vw.getValueVector().getAccessor().getObject(2));

    vw.getValueVector().clear();
    batch.release();
    batchLoader.clear();
  }
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      ResultSetMetaData resultSetMetaData, TimeZone timeZone) {
    super(statement, prepareResult, resultSetMetaData, timeZone);
    DrillConnection c = (DrillConnection) statement.getConnection();
    DrillClient client = c.getClient();
    // DrillClient client, DrillStatement statement) {
    currentBatch = new RecordBatchLoader(client.getAllocator());
    this.client = client;
    cursor = new DrillCursor(this);
  }
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    int numRecords = 0;
    String planString = Resources.toString(Resources.getResource("functions/hive/GenericUDF.json"), Charsets.UTF_8);
    List<QueryResultBatch> results = testPhysicalWithResults(planString);

    RecordBatchLoader batchLoader = new RecordBatchLoader(getAllocator());
    for(QueryResultBatch result : results) {
      batchLoader.load(result.getHeader().getDef(), result.getData());
      if (batchLoader.getRecordCount() <= 0) {
        result.release();
        batchLoader.clear();
        continue;
      }
      // Output columns and types
      //  1. str1 : Var16Char
      //  2. upperStr1 : NullableVar16Char
      //  3. unix_timestamp : NullableBigInt
      //  4. concat : NullableVarChar
      //  5. flt1 : Float4
      //  6. format_number : NullableFloat8
      //  7. nullableStr1 : NullableVar16Char
      //  8. upperNullableStr1 : NullableVar16Char
      Var16CharVector str1V = (Var16CharVector) batchLoader.getValueAccessorById(Var16CharVector.class, 0).getValueVector();
      NullableVar16CharVector upperStr1V = (NullableVar16CharVector) batchLoader.getValueAccessorById(NullableVar16CharVector.class, 1).getValueVector();
      NullableBigIntVector unix_timestampV = (NullableBigIntVector) batchLoader.getValueAccessorById(NullableBigIntVector.class, 2).getValueVector();
      NullableVar16CharVector concatV = (NullableVar16CharVector) batchLoader.getValueAccessorById(NullableVar16CharVector.class, 3).getValueVector();
      Float4Vector flt1V = (Float4Vector) batchLoader.getValueAccessorById(Float4Vector.class, 4).getValueVector();
      NullableVar16CharVector format_numberV = (NullableVar16CharVector) batchLoader.getValueAccessorById(NullableVar16CharVector.class, 5).getValueVector();
      NullableVar16CharVector nullableStr1V = (NullableVar16CharVector) batchLoader.getValueAccessorById(NullableVar16CharVector.class, 6).getValueVector();
      NullableVar16CharVector upperNullableStr1V = (NullableVar16CharVector) batchLoader.getValueAccessorById(NullableVar16CharVector.class, 7).getValueVector();

      for(int i=0; i<batchLoader.getRecordCount(); i++) {
        String in = new String(str1V.getAccessor().get(i), Charsets.UTF_16);
        String upper = new String(upperStr1V.getAccessor().get(i), Charsets.UTF_16);
        assertTrue(in.toUpperCase().equals(upper));

        long unix_timestamp = unix_timestampV.getAccessor().get(i);

        String concat = new String(concatV.getAccessor().get(i), Charsets.UTF_16);
        assertTrue(concat.equals(in+"-"+in));

        float flt1 = flt1V.getAccessor().get(i);
        String format_number = new String(format_numberV.getAccessor().get(i), Charsets.UTF_16);


        String nullableStr1 = null;
        if (!nullableStr1V.getAccessor().isNull(i))
          nullableStr1 = new String(nullableStr1V.getAccessor().get(i), Charsets.UTF_16);

        String upperNullableStr1 = null;
        if (!upperNullableStr1V.getAccessor().isNull(i))
          upperNullableStr1 = new String(upperNullableStr1V.getAccessor().get(i), Charsets.UTF_16);

        assertEquals(nullableStr1 != null, upperNullableStr1 != null);
        if (nullableStr1 != null)
          assertEquals(nullableStr1.toUpperCase(), upperNullableStr1);

        System.out.println(in + ", " + upper + ", " + unix_timestamp + ", " + concat + ", " +
          flt1 + ", " + format_number + ", " + nullableStr1 + ", " + upperNullableStr1);

        numRecords++;
      }

      result.release();
      batchLoader.clear();
    }

    System.out.println("Processed " + numRecords + " records");
  }
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  public void testUDF() throws Throwable {
    int numRecords = 0;
    String planString = Resources.toString(Resources.getResource("functions/hive/UDF.json"), Charsets.UTF_8);
    List<QueryResultBatch> results = testPhysicalWithResults(planString);

    RecordBatchLoader batchLoader = new RecordBatchLoader(getAllocator());
    for(QueryResultBatch result : results) {
      batchLoader.load(result.getHeader().getDef(), result.getData());
      if (batchLoader.getRecordCount() <= 0) {
        result.release();
        batchLoader.clear();
        continue;
      }

      // Output columns and types
      // 1. str1 : Var16Char
      // 2. str1Length : Int
      // 3. str1Ascii : Int
      // 4. flt1 : Float4
      // 5. pow : Float8
      Var16CharVector str1V = (Var16CharVector) batchLoader.getValueAccessorById(Var16CharVector.class, 0).getValueVector();
      NullableIntVector str1LengthV = (NullableIntVector) batchLoader.getValueAccessorById(NullableIntVector.class, 1).getValueVector();
      NullableIntVector str1AsciiV = (NullableIntVector) batchLoader.getValueAccessorById(NullableIntVector.class, 2).getValueVector();
      Float4Vector flt1V = (Float4Vector) batchLoader.getValueAccessorById(Float4Vector.class, 3).getValueVector();
      NullableFloat8Vector powV = (NullableFloat8Vector) batchLoader.getValueAccessorById(NullableFloat8Vector.class, 4).getValueVector();

      for(int i=0; i<batchLoader.getRecordCount(); i++) {
        String str1 = new String(str1V.getAccessor().get(i), Charsets.UTF_16);
        int str1Length = str1LengthV.getAccessor().get(i);
        assertTrue(str1.length() == str1Length);

        int str1Ascii = str1AsciiV.getAccessor().get(i);

        float flt1 = flt1V.getAccessor().get(i);

        double pow = 0;
        if (!powV.getAccessor().isNull(i)) {
          pow = powV.getAccessor().get(i);
          assertTrue(Math.pow(flt1, 2.0) == pow);
        }

        System.out.println(str1 + ", " + str1Length + ", " + str1Ascii + ", " + flt1 + ", " + pow);
        numRecords++;
      }

      result.release();
      batchLoader.clear();
    }

    System.out.println("Processed " + numRecords + " records");
  }
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  • org.apache.drill.BaseTestQuery
  • org.apache.drill.exec.client.PrintingResultsListener
  • org.apache.drill.exec.fn.hive.TestHiveUDFs
  • org.apache.drill.exec.fn.impl.TestAggregateFunction
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  • org.apache.drill.exec.physical.impl.mergereceiver.MergingRecordBatch
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