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

      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("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("f2", row.get(1));

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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("f2", row.get(0));

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


    scanner.advance();
    scanner.getKey(key);
    Assert.assertEquals(key, new BytesWritable("k12".getBytes()));
    scanner.getValue(RowValue);
    Assert.assertEquals(2, RowValue.get(0));
    Assert.assertEquals(1002L, RowValue.get(1));

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    scanner.getValue(RowValue);
    Assert.assertEquals(1, ((Map) (RowValue.get(0))).get("a"));
    Assert.assertEquals(2, ((Map) RowValue.get(0)).get("b"));
    Assert.assertEquals(1.3, RowValue.get(1));


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

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    Assert.assertEquals(key, new BytesWritable("k11".getBytes()));
    scanner.getValue(RowValue);
    Assert.assertEquals(1, RowValue.get(0));
    Assert.assertEquals(1.3, RowValue.get(1));


    scanner.advance();


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

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    Assert.assertEquals(tmp, f4.get("b"));
    tmp = 3;
    Assert.assertEquals(tmp, f4.get("c"));
    Assert.assertEquals(1.3, ((Tuple) ((Tuple) RowValue.get(1)).get(0)).get(0));


    scanner.advance();


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

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    Assert.assertEquals(tmp, f4.get("b"));
    tmp = 3;
    Assert.assertEquals(tmp, f4.get("c"));
    Assert.assertEquals(null, f4.get("x"));


    scanner.advance();


    scanner.getKey(key);
    Assert.assertEquals(key, new BytesWritable("k12".getBytes()));
    scanner.getValue(RowValue);

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