Examples with Dispatcher org.apache.hadoop.hive.ql.lib.Dispatcher used on opensource projects

Example 76 with Dispatcher

use of org.apache.hadoop.hive.ql.lib.Dispatcher in project hive by apache.

the class TestAccumuloRangeGenerator method testRangeOverBooleanIndexedField.

@Test
public void testRangeOverBooleanIndexedField() throws Exception {
    // mgr == true
    ExprNodeDesc column = new ExprNodeColumnDesc(TypeInfoFactory.booleanTypeInfo, "mgr", null, false);
    ExprNodeDesc constant = new ExprNodeConstantDesc(TypeInfoFactory.booleanTypeInfo, true);
    List<ExprNodeDesc> children = Lists.newArrayList();
    children.add(column);
    children.add(constant);
    ExprNodeDesc node = new ExprNodeGenericFuncDesc(TypeInfoFactory.intTypeInfo, new GenericUDFOPEqual(), children);
    assertNotNull(node);
    AccumuloRangeGenerator rangeGenerator = new AccumuloRangeGenerator(conf, handler, rowIdMapping, "rid");
    rangeGenerator.setIndexScanner(TestAccumuloDefaultIndexScanner.buildMockHandler(10));
    Dispatcher disp = new DefaultRuleDispatcher(rangeGenerator, Collections.<Rule, NodeProcessor>emptyMap(), null);
    GraphWalker ogw = new DefaultGraphWalker(disp);
    ArrayList<Node> topNodes = new ArrayList<Node>();
    topNodes.add(node);
    HashMap<Node, Object> nodeOutput = new HashMap<Node, Object>();
    try {
        ogw.startWalking(topNodes, nodeOutput);
    } catch (SemanticException ex) {
        throw new RuntimeException(ex);
    }
    // Filters are using an index which should match 2 rows
    Object result = nodeOutput.get(node);
    if (result instanceof List) {
        List results = (List) result;
        Assert.assertEquals(2, results.size());
        Assert.assertTrue("does not contain row1", results.contains(new Range("row1")));
        Assert.assertTrue("does not contain row3", results.contains(new Range("row3")));
    } else {
        Assert.fail("Results not a list");
    }
}

Example 77 with Dispatcher

use of org.apache.hadoop.hive.ql.lib.Dispatcher in project hive by apache.

the class TestAccumuloRangeGenerator method testRangeDisjunction.

@Test
public void testRangeDisjunction() throws Exception {
    // rowId >= 'f'
    ExprNodeDesc column = new ExprNodeColumnDesc(TypeInfoFactory.stringTypeInfo, "rid", null, false);
    ExprNodeDesc constant = new ExprNodeConstantDesc(TypeInfoFactory.stringTypeInfo, "f");
    List<ExprNodeDesc> children = Lists.newArrayList();
    children.add(column);
    children.add(constant);
    ExprNodeDesc node = new ExprNodeGenericFuncDesc(TypeInfoFactory.stringTypeInfo, new GenericUDFOPEqualOrGreaterThan(), children);
    assertNotNull(node);
    // rowId <= 'm'
    ExprNodeDesc column2 = new ExprNodeColumnDesc(TypeInfoFactory.stringTypeInfo, "rid", null, false);
    ExprNodeDesc constant2 = new ExprNodeConstantDesc(TypeInfoFactory.stringTypeInfo, "m");
    List<ExprNodeDesc> children2 = Lists.newArrayList();
    children2.add(column2);
    children2.add(constant2);
    ExprNodeDesc node2 = new ExprNodeGenericFuncDesc(TypeInfoFactory.stringTypeInfo, new GenericUDFOPEqualOrLessThan(), children2);
    assertNotNull(node2);
    // Or UDF
    List<ExprNodeDesc> bothFilters = Lists.newArrayList();
    bothFilters.add(node);
    bothFilters.add(node2);
    ExprNodeGenericFuncDesc both = new ExprNodeGenericFuncDesc(TypeInfoFactory.stringTypeInfo, new GenericUDFOPOr(), bothFilters);
    // Should generate (-inf,+inf)
    List<Range> expectedRanges = Arrays.asList(new Range());
    AccumuloRangeGenerator rangeGenerator = new AccumuloRangeGenerator(conf, handler, rowIdMapping, "rid");
    Dispatcher disp = new DefaultRuleDispatcher(rangeGenerator, Collections.<Rule, NodeProcessor>emptyMap(), null);
    GraphWalker ogw = new DefaultGraphWalker(disp);
    ArrayList<Node> topNodes = new ArrayList<Node>();
    topNodes.add(both);
    HashMap<Node, Object> nodeOutput = new HashMap<Node, Object>();
    try {
        ogw.startWalking(topNodes, nodeOutput);
    } catch (SemanticException ex) {
        throw new RuntimeException(ex);
    }
    Object result = nodeOutput.get(both);
    Assert.assertNotNull(result);
    Assert.assertTrue("Result from graph walk was not a List", result instanceof List);
    @SuppressWarnings("unchecked") List<Range> actualRanges = (List<Range>) result;
    Assert.assertEquals(expectedRanges, actualRanges);
}

Example 78 with Dispatcher

use of org.apache.hadoop.hive.ql.lib.Dispatcher in project hive by apache.

the class TestAccumuloRangeGenerator method testCastExpression.

@Test
public void testCastExpression() throws Exception {
    // 40 and 50
    ExprNodeDesc fourty = new ExprNodeConstantDesc(TypeInfoFactory.intTypeInfo, 40), fifty = new ExprNodeConstantDesc(TypeInfoFactory.intTypeInfo, 50);
    // +
    GenericUDFOPPlus plus = new GenericUDFOPPlus();
    // 40 + 50
    ExprNodeGenericFuncDesc addition = new ExprNodeGenericFuncDesc(TypeInfoFactory.intTypeInfo, plus, Arrays.asList(fourty, fifty));
    // cast(.... as string)
    UDFToString stringCast = new UDFToString();
    GenericUDFBridge stringCastBridge = new GenericUDFBridge("cast", false, stringCast.getClass().getName());
    // cast (40 + 50 as string)
    ExprNodeGenericFuncDesc cast = new ExprNodeGenericFuncDesc(TypeInfoFactory.stringTypeInfo, stringCastBridge, "cast", Collections.<ExprNodeDesc>singletonList(addition));
    ExprNodeDesc key = new ExprNodeColumnDesc(TypeInfoFactory.stringTypeInfo, "key", null, false);
    ExprNodeGenericFuncDesc node = new ExprNodeGenericFuncDesc(TypeInfoFactory.stringTypeInfo, new GenericUDFOPEqualOrGreaterThan(), Arrays.asList(key, cast));
    AccumuloRangeGenerator rangeGenerator = new AccumuloRangeGenerator(conf, handler, rowIdMapping, "key");
    Dispatcher disp = new DefaultRuleDispatcher(rangeGenerator, Collections.<Rule, NodeProcessor>emptyMap(), null);
    GraphWalker ogw = new DefaultGraphWalker(disp);
    ArrayList<Node> topNodes = new ArrayList<Node>();
    topNodes.add(node);
    HashMap<Node, Object> nodeOutput = new HashMap<Node, Object>();
    try {
        ogw.startWalking(topNodes, nodeOutput);
    } catch (SemanticException ex) {
        throw new RuntimeException(ex);
    }
    // Don't fail -- would be better to actually compute a range of [90,+inf)
    Object result = nodeOutput.get(node);
    Assert.assertNull(result);
}

Example 79 with Dispatcher

use of org.apache.hadoop.hive.ql.lib.Dispatcher in project hive by apache.

the class TestAccumuloRangeGenerator method testRangeOverStringIndexedField.

@Test
public void testRangeOverStringIndexedField() throws Exception {
    // age >= '10'
    ExprNodeDesc column = new ExprNodeColumnDesc(TypeInfoFactory.stringTypeInfo, "age", null, false);
    ExprNodeDesc constant = new ExprNodeConstantDesc(TypeInfoFactory.stringTypeInfo, "10");
    List<ExprNodeDesc> children = Lists.newArrayList();
    children.add(column);
    children.add(constant);
    ExprNodeDesc node = new ExprNodeGenericFuncDesc(TypeInfoFactory.stringTypeInfo, new GenericUDFOPEqualOrGreaterThan(), children);
    assertNotNull(node);
    // age <= '50'
    ExprNodeDesc column2 = new ExprNodeColumnDesc(TypeInfoFactory.stringTypeInfo, "age", null, false);
    ExprNodeDesc constant2 = new ExprNodeConstantDesc(TypeInfoFactory.stringTypeInfo, "50");
    List<ExprNodeDesc> children2 = Lists.newArrayList();
    children2.add(column2);
    children2.add(constant2);
    ExprNodeDesc node2 = new ExprNodeGenericFuncDesc(TypeInfoFactory.stringTypeInfo, new GenericUDFOPEqualOrLessThan(), children2);
    assertNotNull(node2);
    // And UDF
    List<ExprNodeDesc> bothFilters = Lists.newArrayList();
    bothFilters.add(node);
    bothFilters.add(node2);
    ExprNodeGenericFuncDesc both = new ExprNodeGenericFuncDesc(TypeInfoFactory.stringTypeInfo, new GenericUDFOPAnd(), bothFilters);
    AccumuloRangeGenerator rangeGenerator = new AccumuloRangeGenerator(conf, handler, rowIdMapping, "rid");
    rangeGenerator.setIndexScanner(TestAccumuloDefaultIndexScanner.buildMockHandler(10));
    Dispatcher disp = new DefaultRuleDispatcher(rangeGenerator, Collections.<Rule, NodeProcessor>emptyMap(), null);
    GraphWalker ogw = new DefaultGraphWalker(disp);
    ArrayList<Node> topNodes = new ArrayList<Node>();
    topNodes.add(both);
    HashMap<Node, Object> nodeOutput = new HashMap<Node, Object>();
    try {
        ogw.startWalking(topNodes, nodeOutput);
    } catch (SemanticException ex) {
        throw new RuntimeException(ex);
    }
    // Filters are using an index which should match 3 rows
    Object result = nodeOutput.get(both);
    if (result instanceof List) {
        List results = (List) result;
        Assert.assertEquals(3, results.size());
        Assert.assertTrue("does not contain row1", results.contains(new Range("row1")));
        Assert.assertTrue("does not contain row2", results.contains(new Range("row2")));
        Assert.assertTrue("does not contain row3", results.contains(new Range("row3")));
    } else {
        Assert.fail("Results not a list");
    }
}

Example 80 with Dispatcher

use of org.apache.hadoop.hive.ql.lib.Dispatcher in project hive by apache.

the class TestAccumuloRangeGenerator method testPartialRangeConjunction.

@Test
public void testPartialRangeConjunction() throws Exception {
    // rowId >= 'f'
    ExprNodeDesc column = new ExprNodeColumnDesc(TypeInfoFactory.stringTypeInfo, "rid", null, false);
    ExprNodeDesc constant = new ExprNodeConstantDesc(TypeInfoFactory.stringTypeInfo, "f");
    List<ExprNodeDesc> children = Lists.newArrayList();
    children.add(column);
    children.add(constant);
    ExprNodeDesc node = new ExprNodeGenericFuncDesc(TypeInfoFactory.stringTypeInfo, new GenericUDFOPEqualOrGreaterThan(), children);
    assertNotNull(node);
    // anythingElse <= 'foo'
    ExprNodeDesc column2 = new ExprNodeColumnDesc(TypeInfoFactory.stringTypeInfo, "anythingElse", null, false);
    ExprNodeDesc constant2 = new ExprNodeConstantDesc(TypeInfoFactory.stringTypeInfo, "foo");
    List<ExprNodeDesc> children2 = Lists.newArrayList();
    children2.add(column2);
    children2.add(constant2);
    ExprNodeDesc node2 = new ExprNodeGenericFuncDesc(TypeInfoFactory.stringTypeInfo, new GenericUDFOPEqualOrLessThan(), children2);
    assertNotNull(node2);
    // And UDF
    List<ExprNodeDesc> bothFilters = Lists.newArrayList();
    bothFilters.add(node);
    bothFilters.add(node2);
    ExprNodeGenericFuncDesc both = new ExprNodeGenericFuncDesc(TypeInfoFactory.stringTypeInfo, new GenericUDFOPAnd(), bothFilters);
    // Should generate [f,+inf)
    List<Range> expectedRanges = Arrays.asList(new Range(new Key("f"), true, null, false));
    AccumuloRangeGenerator rangeGenerator = new AccumuloRangeGenerator(conf, handler, rowIdMapping, "rid");
    Dispatcher disp = new DefaultRuleDispatcher(rangeGenerator, Collections.<Rule, NodeProcessor>emptyMap(), null);
    GraphWalker ogw = new DefaultGraphWalker(disp);
    ArrayList<Node> topNodes = new ArrayList<Node>();
    topNodes.add(both);
    HashMap<Node, Object> nodeOutput = new HashMap<Node, Object>();
    try {
        ogw.startWalking(topNodes, nodeOutput);
    } catch (SemanticException ex) {
        throw new RuntimeException(ex);
    }
    Object result = nodeOutput.get(both);
    Assert.assertNotNull(result);
    Assert.assertTrue("Result from graph walk was not a List", result instanceof List);
    @SuppressWarnings("unchecked") List<Range> actualRanges = (List<Range>) result;
    Assert.assertEquals(expectedRanges, actualRanges);
}