Examples of org.apache.hadoop.zebra.io.TableScanner.advance()

Class org.apache.hadoop.zebra.io.TableScanner

Examples of org.apache.hadoop.zebra.io.TableScanner.advance()

org.apache.hadoop.zebra.io.TableScanner.advance()
Advance cursor to the next Row. @return true if the cursor is moved. It will return true when the scannermoves the cursor from the last row to the end position. @throws IOException

                  "\n actual value   : " + newValLong1, (numbRows-1 + 4) / 4,
              newValLong1);


        }


        scanner.advance();
      }
      


    }

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    Assert.assertEquals(key, new BytesWritable("k11".getBytes()));
    scanner.getValue(RowValue);
    System.out.println("read1 : " + RowValue.toString());
    Assert.assertEquals("{a=A}", RowValue.get(0).toString());


    scanner.advance();
    scanner.getKey(key);
    Assert.assertEquals(key, new BytesWritable("k12".getBytes()));
    scanner.getValue(RowValue);
    System.out.println(RowValue.get(0).toString());
    Assert.assertEquals("{a=A2}", RowValue.get(0).toString());

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    Tuple rowValue = TypesUtils.createTuple(scanner.getSchema());


    while (!scanner.atEnd()) {
      ++numbRows;
      scanner.getKey(key);
      scanner.advance();
    }
    System.out.println("\nTable Path : " + pathTable1);
    System.out.println("Table Row number : " + numbRows);
  }
  /**

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    Assert.assertEquals(null, ((Map) ((Map) RowValue.get(0)).get("c")));


    System.out.println("rowValue.get)1): " + RowValue.get(1).toString());
    // rowValue.get)1): {z=null, x={m311=311, m321=321, m331=331}}


    scanner.advance();


    scanner.getKey(key);
    Assert.assertEquals(key, new BytesWritable("k12".getBytes()));
    scanner.getValue(RowValue);
    Assert.assertEquals(null, ((Map) RowValue.get(0)).get("b"));

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    scanner.getValue(RowValue);
    Assert.assertEquals(false, RowValue.isNull());
    Assert.assertEquals(null, RowValue.get(0));
    Assert.assertEquals(1, RowValue.size());


    scanner.advance();
    scanner.getKey(key);
    Assert.assertEquals(key, new BytesWritable("k12".getBytes()));
    scanner.getValue(RowValue);
    Assert.assertEquals(false, RowValue.isNull());
    Assert.assertEquals(null, RowValue.get(0));

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    Assert.assertEquals(key, new BytesWritable("k11".getBytes()));
    scanner.getValue(RowValue);
    System.out.println("read1 : " + RowValue.toString());
    Assert.assertEquals("{}", RowValue.get(0).toString());


    scanner.advance();
    scanner.getKey(key);
    Assert.assertEquals(key, new BytesWritable("k12".getBytes()));
    scanner.getValue(RowValue);
    System.out.println(RowValue.get(0).toString());
    Assert.assertEquals("{}", RowValue.get(0).toString());

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      // mapval = (HashMap<String, Object>) value.get(0);
      // Assert.assertEquals("x", mapval.get("a"));
      // Assert.assertEquals(null, mapval.get("b"));
      // Assert.assertEquals(null, mapval.get("c"));
      scanner.advance();
    }
    reader.close();
  }


  @Test

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    Assert.assertEquals(key, new BytesWritable("k11".getBytes()));
    scanner.getValue(RowValue);
   
    Assert.assertEquals("hello world 1", RowValue.get(0));


    scanner.advance();
    scanner.getKey(key);
    Assert.assertEquals(key, new BytesWritable("k12".getBytes()));
    scanner.getValue(RowValue);
   
    Assert.assertEquals("hello world 2", RowValue.get(0));

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      // mapval = (HashMap<String, Object>) value.get(0);
      // Assert.assertEquals("x", mapval.get("a"));
      // Assert.assertEquals(null, mapval.get("b"));
      // Assert.assertEquals(null, mapval.get("c"));
      scanner.advance();
    }
    reader.close();
  }


  @Test

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    BytesWritable key22 = new BytesWritable("key22".getBytes());
    // TableScanner scanner2 = reader.getScanner(key22, null, true); // for
    // sorted
    TableScanner scanner2 = reader.getScanner(listRanges.get(1), true);
    BytesWritable key2 = new BytesWritable();
    scanner2.advance();// not for sorted
    scanner2.getKey(key2);
    Assert.assertEquals(key2, key22);
    TypesUtils.resetTuple(row);
    scanner2.getValue(row);
    Assert.assertEquals("val2", row.get(0));

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