Examples with Key org.apache.accumulo.core.data.Key used on opensource projects

Example 56 with Key

use of org.apache.accumulo.core.data.Key in project hive by apache.

the class HiveAccumuloRecordReader method pushToValue.

// flatten key/value pairs into row object for use in Serde.
private void pushToValue(List<Key> keys, List<Value> values, AccumuloHiveRow row) throws IOException {
    Iterator<Key> kIter = keys.iterator();
    Iterator<Value> vIter = values.iterator();
    while (kIter.hasNext()) {
        Key k = kIter.next();
        Value v = vIter.next();
        row.add(k.getColumnFamily().toString(), k.getColumnQualifier().toString(), v.get());
    }
}

Example 57 with Key

use of org.apache.accumulo.core.data.Key in project hive by apache.

the class TestAccumuloPredicateHandler method rangeLessThanOrEqual.

@Test
public void rangeLessThanOrEqual() throws SerDeException {
    ExprNodeDesc column = new ExprNodeColumnDesc(TypeInfoFactory.stringTypeInfo, "rid", null, false);
    ExprNodeDesc constant = new ExprNodeConstantDesc(TypeInfoFactory.stringTypeInfo, "aaa");
    List<ExprNodeDesc> children = Lists.newArrayList();
    children.add(column);
    children.add(constant);
    ExprNodeGenericFuncDesc node = new ExprNodeGenericFuncDesc(TypeInfoFactory.stringTypeInfo, new GenericUDFOPEqualOrLessThan(), children);
    assertNotNull(node);
    String filterExpr = SerializationUtilities.serializeExpression(node);
    conf.set(TableScanDesc.FILTER_EXPR_CONF_STR, filterExpr);
    Collection<Range> ranges = handler.getRanges(conf, columnMapper);
    assertEquals(ranges.size(), 1);
    Range range = ranges.iterator().next();
    assertTrue(range.isStartKeyInclusive());
    assertFalse(range.isEndKeyInclusive());
    assertTrue(range.contains(new Key(new Text("aaa"))));
    assertTrue(range.afterEndKey(new Key(new Text("ccccc"))));
    assertTrue(range.contains(new Key(new Text("aa"))));
    assertTrue(range.afterEndKey(new Key(new Text("aab"))));
    assertFalse(range.afterEndKey(new Key(new Text("aaa"))));
}

Example 58 with Key

use of org.apache.accumulo.core.data.Key in project hive by apache.

the class TestAccumuloPredicateHandler method testRangeGreaterThan.

@Test()
public void testRangeGreaterThan() throws SerDeException {
    ExprNodeDesc column = new ExprNodeColumnDesc(TypeInfoFactory.stringTypeInfo, "rid", null, false);
    ExprNodeDesc constant = new ExprNodeConstantDesc(TypeInfoFactory.stringTypeInfo, "aaa");
    List<ExprNodeDesc> children = Lists.newArrayList();
    children.add(column);
    children.add(constant);
    ExprNodeGenericFuncDesc node = new ExprNodeGenericFuncDesc(TypeInfoFactory.stringTypeInfo, new GenericUDFOPGreaterThan(), children);
    assertNotNull(node);
    String filterExpr = SerializationUtilities.serializeExpression(node);
    conf.set(TableScanDesc.FILTER_EXPR_CONF_STR, filterExpr);
    Collection<Range> ranges = handler.getRanges(conf, columnMapper);
    assertEquals(ranges.size(), 1);
    Range range = ranges.iterator().next();
    assertTrue(range.isStartKeyInclusive());
    assertFalse(range.isEndKeyInclusive());
    assertFalse(range.contains(new Key(new Text("aaa"))));
    assertFalse(range.afterEndKey(new Key(new Text("ccccc"))));
    assertTrue(range.contains(new Key(new Text("aab"))));
    assertTrue(range.beforeStartKey(new Key(new Text("aa"))));
    assertTrue(range.beforeStartKey(new Key(new Text("aaa"))));
}

Example 59 with Key

use of org.apache.accumulo.core.data.Key in project hive by apache.

the class TestAccumuloPredicateHandler method testRowRangeIntersection.

@Test
public void testRowRangeIntersection() throws SerDeException {
    // 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);
    List<ExprNodeDesc> bothFilters = Lists.newArrayList();
    bothFilters.add(node);
    bothFilters.add(node2);
    ExprNodeGenericFuncDesc both = new ExprNodeGenericFuncDesc(TypeInfoFactory.stringTypeInfo, new GenericUDFOPAnd(), bothFilters);
    String filterExpr = SerializationUtilities.serializeExpression(both);
    conf.set(TableScanDesc.FILTER_EXPR_CONF_STR, filterExpr);
    // Should make ['f', 'm\0')
    List<Range> ranges = handler.getRanges(conf, columnMapper);
    assertEquals(1, ranges.size());
    assertEquals(new Range(new Key("f"), true, new Key("m\0"), false), ranges.get(0));
}

Example 60 with Key

use of org.apache.accumulo.core.data.Key in project hive by apache.

the class TestAccumuloPredicateHandler method testRangeEqual.

@Test()
public void testRangeEqual() throws SerDeException {
    ExprNodeDesc column = new ExprNodeColumnDesc(TypeInfoFactory.stringTypeInfo, "rid", null, false);
    ExprNodeDesc constant = new ExprNodeConstantDesc(TypeInfoFactory.stringTypeInfo, "aaa");
    List<ExprNodeDesc> children = Lists.newArrayList();
    children.add(column);
    children.add(constant);
    ExprNodeGenericFuncDesc node = new ExprNodeGenericFuncDesc(TypeInfoFactory.stringTypeInfo, new GenericUDFOPEqual(), children);
    assertNotNull(node);
    String filterExpr = SerializationUtilities.serializeExpression(node);
    conf.set(TableScanDesc.FILTER_EXPR_CONF_STR, filterExpr);
    Collection<Range> ranges = handler.getRanges(conf, columnMapper);
    assertEquals(ranges.size(), 1);
    Range range = ranges.iterator().next();
    assertTrue(range.isStartKeyInclusive());
    assertFalse(range.isEndKeyInclusive());
    assertTrue(range.contains(new Key(new Text("aaa"))));
    assertTrue(range.afterEndKey(new Key(new Text("aab"))));
    assertTrue(range.beforeStartKey(new Key(new Text("aa"))));
}