Package org.teiid.query.processor

Examples of org.teiid.query.processor.BatchIterator.nextTuple()

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        BatchIterator iterator = new BatchIterator(selectNode);
       
        for (int i = 0; i < expected.length; i++) {
          while (true) {
            try {
              assertEquals("Rows don't match at " + i, expected[i], iterator.nextTuple()); //$NON-NLS-1$
              break;
            } catch (BlockedException e) {
              continue;
            } catch (QueryProcessor.ExpiredTimeSliceException e) {
              continue;
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      Arrays.asList(1)
    }, 1));
    BufferManager bm = BufferManagerFactory.getStandaloneBufferManager();
    bi.setBuffer(bm.createTupleBuffer(Arrays.asList(new ElementSymbol("x")), "test", TupleSourceType.PROCESSOR), true);  //$NON-NLS-1$
    bi.mark();
    bi.nextTuple();
    bi.nextTuple();
    bi.reset();
    bi.nextTuple();
  }
 
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    }, 1));
    BufferManager bm = BufferManagerFactory.getStandaloneBufferManager();
    bi.setBuffer(bm.createTupleBuffer(Arrays.asList(new ElementSymbol("x")), "test", TupleSourceType.PROCESSOR), true);  //$NON-NLS-1$
    bi.mark();
    bi.nextTuple();
    bi.nextTuple();
    bi.reset();
    bi.nextTuple();
  }
 
  @Test public void testReset1() throws Exception {
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    bi.setBuffer(bm.createTupleBuffer(Arrays.asList(new ElementSymbol("x")), "test", TupleSourceType.PROCESSOR), true);  //$NON-NLS-1$
    bi.mark();
    bi.nextTuple();
    bi.nextTuple();
    bi.reset();
    bi.nextTuple();
  }
 
  @Test public void testReset1() throws Exception {
    BatchIterator bi = new BatchIterator(new FakeRelationalNode(1, new List[] {
      Arrays.asList(1),
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      Arrays.asList(3)
    }, 2));
    BufferManager bm = BufferManagerFactory.getStandaloneBufferManager();
    TupleBuffer tb = bm.createTupleBuffer(Arrays.asList(new ElementSymbol("x")), "test", TupleSourceType.PROCESSOR);
    bi.setBuffer(tb, true);  //$NON-NLS-1$
    bi.nextTuple();
    bi.mark();
    bi.nextTuple();
    bi.reset();
    assertEquals(2, bi.getCurrentIndex());
    assertEquals(2, bi.nextTuple().get(0));
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    BufferManager bm = BufferManagerFactory.getStandaloneBufferManager();
    TupleBuffer tb = bm.createTupleBuffer(Arrays.asList(new ElementSymbol("x")), "test", TupleSourceType.PROCESSOR);
    bi.setBuffer(tb, true);  //$NON-NLS-1$
    bi.nextTuple();
    bi.mark();
    bi.nextTuple();
    bi.reset();
    assertEquals(2, bi.getCurrentIndex());
    assertEquals(2, bi.nextTuple().get(0));
  }
 
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    bi.nextTuple();
    bi.mark();
    bi.nextTuple();
    bi.reset();
    assertEquals(2, bi.getCurrentIndex());
    assertEquals(2, bi.nextTuple().get(0));
  }
 
  @Test public void testReset2() throws Exception {
    BatchIterator bi = new BatchIterator(new FakeRelationalNode(1, new List[] {
      Arrays.asList(1),
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    BufferManager bm = BufferManagerFactory.getStandaloneBufferManager();
    TupleBuffer tb = bm.createTupleBuffer(Arrays.asList(new ElementSymbol("x")), "test", TupleSourceType.PROCESSOR);
    bi.setBuffer(tb, true);  //$NON-NLS-1$
    bi.hasNext();
    bi.mark();
    bi.nextTuple();
    bi.nextTuple();
    assertNull(bi.nextTuple());
    bi.reset();
    bi.hasNext();
    assertEquals(1, bi.getCurrentIndex());
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    TupleBuffer tb = bm.createTupleBuffer(Arrays.asList(new ElementSymbol("x")), "test", TupleSourceType.PROCESSOR);
    bi.setBuffer(tb, true);  //$NON-NLS-1$
    bi.hasNext();
    bi.mark();
    bi.nextTuple();
    bi.nextTuple();
    assertNull(bi.nextTuple());
    bi.reset();
    bi.hasNext();
    assertEquals(1, bi.getCurrentIndex());
    assertEquals(1, bi.nextTuple().get(0));
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    bi.setBuffer(tb, true);  //$NON-NLS-1$
    bi.hasNext();
    bi.mark();
    bi.nextTuple();
    bi.nextTuple();
    assertNull(bi.nextTuple());
    bi.reset();
    bi.hasNext();
    assertEquals(1, bi.getCurrentIndex());
    assertEquals(1, bi.nextTuple().get(0));
  }
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