Package org.apache.hadoop.hbase.client.coprocessor

Examples of org.apache.hadoop.hbase.client.coprocessor.BigDecimalColumnInterpreter

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    Scan scan = new Scan();
    scan.addFamily(TEST_FAMILY);
    scan.setStartRow(ROWS[6]);
    scan.setStopRow(ROWS[2]);
    final ColumnInterpreter<BigDecimal, BigDecimal, EmptyMsg, BigDecimalMsg, BigDecimalMsg> ci =
      new BigDecimalColumnInterpreter();
    BigDecimal sum = null;
    try {
      sum = aClient.sum(TEST_TABLE, ci, scan);
    } catch (Throwable e) {
    }
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    Filter f = new PrefixFilter(Bytes.toBytes("foo:bar"));
    Scan scan = new Scan();
    scan.addFamily(TEST_FAMILY);
    scan.setFilter(f);
    final ColumnInterpreter<BigDecimal, BigDecimal, EmptyMsg, BigDecimalMsg, BigDecimalMsg> ci =
      new BigDecimalColumnInterpreter();
    BigDecimal sum = null;
    sum = aClient.sum(TEST_TABLE, ci, scan);
    assertEquals(null, sum);
  }
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  public void testAvgWithValidRange() throws Throwable {
    AggregationClient aClient = new AggregationClient(conf);
    Scan scan = new Scan();
    scan.addColumn(TEST_FAMILY, TEST_QUALIFIER);
    final ColumnInterpreter<BigDecimal, BigDecimal, EmptyMsg, BigDecimalMsg, BigDecimalMsg> ci =
      new BigDecimalColumnInterpreter();
    double avg = aClient.avg(TEST_TABLE, ci, scan);
    assertEquals(9.5, avg, 0);
  }
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    Scan scan = new Scan();
    scan.addColumn(TEST_FAMILY, TEST_QUALIFIER);
    scan.setStartRow(ROWS[5]);
    scan.setStopRow(ROWS[15]);
    final ColumnInterpreter<BigDecimal, BigDecimal, EmptyMsg, BigDecimalMsg, BigDecimalMsg> ci =
      new BigDecimalColumnInterpreter();
    double avg = aClient.avg(TEST_TABLE, ci, scan);
    assertEquals(9.5, avg, 0);
  }
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  public void testAvgWithValidRangeWithNoCQ() throws Throwable {
    AggregationClient aClient = new AggregationClient(conf);
    Scan scan = new Scan();
    scan.addFamily(TEST_FAMILY);
    final ColumnInterpreter<BigDecimal, BigDecimal, EmptyMsg, BigDecimalMsg, BigDecimalMsg> ci =
      new BigDecimalColumnInterpreter();
    double avg = aClient.avg(TEST_TABLE, ci, scan);
    assertEquals(10.45, avg, 0.01);
  }
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    Scan scan = new Scan();
    scan.addFamily(TEST_FAMILY);
    scan.setStartRow(ROWS[6]);
    scan.setStopRow(ROWS[7]);
    final ColumnInterpreter<BigDecimal, BigDecimal, EmptyMsg, BigDecimalMsg, BigDecimalMsg> ci =
      new BigDecimalColumnInterpreter();
    double avg = aClient.avg(TEST_TABLE, ci, scan);
    assertEquals(6 + 0.60, avg, 0);
  }
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  @Test
  public void testAvgWithValidRangeWithNullCF() {
    AggregationClient aClient = new AggregationClient(conf);
    Scan scan = new Scan();
    final ColumnInterpreter<BigDecimal, BigDecimal, EmptyMsg, BigDecimalMsg, BigDecimalMsg> ci =
      new BigDecimalColumnInterpreter();
    Double avg = null;
    try {
      avg = aClient.avg(TEST_TABLE, ci, scan);
    } catch (Throwable e) {
    }
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    Scan scan = new Scan();
    scan.addColumn(TEST_FAMILY, TEST_QUALIFIER);
    scan.setStartRow(ROWS[5]);
    scan.setStopRow(ROWS[1]);
    final ColumnInterpreter<BigDecimal, BigDecimal, EmptyMsg, BigDecimalMsg, BigDecimalMsg> ci =
      new BigDecimalColumnInterpreter();
    Double avg = null;
    try {
      avg = aClient.avg(TEST_TABLE, ci, scan);
    } catch (Throwable e) {
    }
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    Scan scan = new Scan();
    scan.addColumn(TEST_FAMILY, TEST_QUALIFIER);
    Filter f = new PrefixFilter(Bytes.toBytes("foo:bar"));
    scan.setFilter(f);
    final ColumnInterpreter<BigDecimal, BigDecimal, EmptyMsg, BigDecimalMsg, BigDecimalMsg> ci =
      new BigDecimalColumnInterpreter();
    Double avg = null;
    avg = aClient.avg(TEST_TABLE, ci, scan);
    assertEquals(Double.NaN, avg, 0);
  }
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  public void testStdWithValidRange() throws Throwable {
    AggregationClient aClient = new AggregationClient(conf);
    Scan scan = new Scan();
    scan.addColumn(TEST_FAMILY, TEST_QUALIFIER);
    final ColumnInterpreter<BigDecimal, BigDecimal, EmptyMsg, BigDecimalMsg, BigDecimalMsg> ci =
      new BigDecimalColumnInterpreter();
    double std = aClient.std(TEST_TABLE, ci, scan);
    assertEquals(5.766, std, 0.05d);
  }
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Related Classes of org.apache.hadoop.hbase.client.coprocessor.BigDecimalColumnInterpreter

  • org.apache.hadoop.hbase.coprocessor.TestBigDecimalColumnInterpreter
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