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

    scanner.getValue(value);


    Assert.assertEquals(1001L, value.get(0));
    Assert.assertEquals(true, value.get(1));


    scanner.advance();
    scanner.getKey(key);
    Assert.assertEquals(key, new BytesWritable("k12".getBytes()));
    scanner.getValue(value);
    Assert.assertEquals(1002L, value.get(0));
    Assert.assertEquals(false, value.get(1));

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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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    scanner.getValue(value);


    Assert.assertEquals(1001L, value.get(0));
    Assert.assertEquals(true, value.get(1));


    scanner.advance();
    scanner.getKey(key);
    Assert.assertEquals(key, new BytesWritable("k12".getBytes()));
    scanner.getValue(value);
    Assert.assertEquals(1002L, value.get(0));
    Assert.assertEquals(false, value.get(1));

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    scanner.getValue(RowValue);
    System.out.println("rowvalue size:"+RowValue.size());
    System.out.println("read a : " + RowValue.get(0).toString());
    System.out.println("read string: " + RowValue.get(1).toString());
  
    scanner.advance();
    if(!scanner.atEnd()) {
      scanner.getValue(RowValue);
      System.out.println("read float in 2nd row: "+ RowValue.get(1).toString());
      System.out.println("done insert table");
    }

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      Assert.fail("Failed to catch out of boundary exceptions.");
    } catch (IndexOutOfBoundsException e) {
      // no op, expecting out of bounds exceptions
    }


    scanner.advance();
    scanner.getKey(key);
    Assert.assertEquals(key, new BytesWritable("k2".getBytes()));
    TypesUtils.resetTuple(row);
    scanner.getValue(row);
    // Assert.assertEquals("c2", row.get(0));

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      Assert.fail("Failed to catch 'out of boundary' exceptions.");
    } catch (IndexOutOfBoundsException e) {
      // no op, expecting out of bounds exceptions
    }


    scanner.advance();
    scanner.getKey(key);
    Assert.assertEquals(key, new BytesWritable("k2".getBytes()));
    TypesUtils.resetTuple(row);
    scanner.getValue(row);
    Assert.assertEquals(false, row.get(0));

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      Assert.fail("Failed to catch 'out of boundary' exceptions.");
    } catch (IndexOutOfBoundsException e) {
      // no op, expecting out of bounds exceptions
    }


    scanner.advance();
    scanner.getKey(key);
    Assert.assertEquals(key, new BytesWritable("k2".getBytes()));
    TypesUtils.resetTuple(row);
    scanner.getValue(row);
    Assert.assertEquals(1002L, row.get(0));

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      Assert.fail("Failed to catch 'out of boundary' exceptions.");
    } catch (IndexOutOfBoundsException e) {
      // no op, expecting out of bounds exceptions
    }


    scanner.advance();
    scanner.getKey(key);
    Assert.assertEquals(key, new BytesWritable("k2".getBytes()));
    TypesUtils.resetTuple(row);
    scanner.getValue(row);

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      Assert.fail("Failed to catch 'out of boundary' exceptions.");
    } catch (IndexOutOfBoundsException e) {
      // no op, expecting out of bounds exceptions
    }


    scanner.advance();
    scanner.getKey(key);
    Assert.assertEquals(key, new BytesWritable("k2".getBytes()));
    TypesUtils.resetTuple(row);
    scanner.getValue(row);
    bagColl.clear();

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      Assert.fail("Failed to catch 'out of boundary' exceptions.");
    } catch (IndexOutOfBoundsException e) {
      // no op, expecting out of bounds exceptions
    }


    scanner.advance();
    scanner.getKey(key);
    Assert.assertEquals(key, new BytesWritable("k2".getBytes()));
    TypesUtils.resetTuple(row);
    scanner.getValue(row);

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