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

Examples of org.apache.hadoop.hbase.client.coprocessor.AggregationClient.sum()

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    AggregationClient aClient = new AggregationClient(conf);
    Scan scan = new Scan();
    scan.addColumn(TEST_FAMILY,TEST_QUALIFIER);
    final ColumnInterpreter<Long, Long, EmptyMsg, LongMsg, LongMsg> ci =
        new LongColumnInterpreter();
    long sum = aClient.sum(TEST_TABLE, ci,
        scan);
    assertEquals(190, sum);
  }

  /**
 
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    scan.addColumn(TEST_FAMILY,TEST_QUALIFIER);
    scan.setStartRow(ROWS[5]);
    scan.setStopRow(ROWS[15]);
    final ColumnInterpreter<Long, Long, EmptyMsg, LongMsg, LongMsg> ci =
        new LongColumnInterpreter();
    long sum = aClient.sum(TEST_TABLE, ci, scan);
    assertEquals(95, sum);
  }

  @Test (timeout=300000)
  public void testSumWithValidRangeWithNoCQ() throws Throwable {
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    AggregationClient aClient = new AggregationClient(conf);
    Scan scan = new Scan();
    scan.addFamily(TEST_FAMILY);
    final ColumnInterpreter<Long, Long, EmptyMsg, LongMsg, LongMsg> ci =
        new LongColumnInterpreter();
    long sum = aClient.sum(TEST_TABLE, ci,
        scan);
    assertEquals(190 + 1900, sum);
  }

  @Test (timeout=300000)
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    scan.addFamily(TEST_FAMILY);
    scan.setStartRow(ROWS[6]);
    scan.setStopRow(ROWS[7]);
    final ColumnInterpreter<Long, Long, EmptyMsg, LongMsg, LongMsg> ci =
        new LongColumnInterpreter();
    long sum = aClient.sum(TEST_TABLE, ci, scan);
    assertEquals(6 + 60, sum);
  }

  @Test (timeout=300000)
  public void testSumWithValidRangeWithNullCF() {
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    scan.setStopRow(ROWS[7]);
    final ColumnInterpreter<Long, Long, EmptyMsg, LongMsg, LongMsg> ci =
        new LongColumnInterpreter();
    Long sum = null;
    try {
      sum = aClient.sum(TEST_TABLE, ci, scan);
    } catch (Throwable e) {
    }
    assertEquals(null, sum);// CP will throw an IOException about the
    // null column family, and max will be set to 0
  }
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    scan.setStopRow(ROWS[2]);
    final ColumnInterpreter<Long, Long, EmptyMsg, LongMsg, LongMsg> ci =
        new LongColumnInterpreter();
    Long sum = null;
    try {
      sum = aClient.sum(TEST_TABLE, ci, scan);
    } catch (Throwable e) {
    }
    assertEquals(null, sum);// control should go to the catch block
  }
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    scan.addFamily(TEST_FAMILY);
    scan.setFilter(f);
    final ColumnInterpreter<Long, Long, EmptyMsg, LongMsg, LongMsg> ci =
        new LongColumnInterpreter();
    Long sum = null;
    sum = aClient.sum(TEST_TABLE, ci, scan);
    assertEquals(null, sum);
  }

  /**
   * ****************************** Test Cases for Avg **************
 
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