Examples with IteratorSetting org.apache.accumulo.core.client.IteratorSetting used on opensource projects

Example 36 with IteratorSetting

use of org.apache.accumulo.core.client.IteratorSetting in project hive by apache.

the class TestAccumuloPredicateHandler method testCreateIteratorSettings.

@Test
public void testCreateIteratorSettings() throws Exception {
    // Override what's placed in the Configuration by setup()
    conf = new JobConf();
    List<String> columnNames = Arrays.asList("field1", "field2", "rid");
    List<TypeInfo> columnTypes = Arrays.<TypeInfo>asList(TypeInfoFactory.stringTypeInfo, TypeInfoFactory.intTypeInfo, TypeInfoFactory.stringTypeInfo);
    conf.set(serdeConstants.LIST_COLUMNS, Joiner.on(',').join(columnNames));
    conf.set(serdeConstants.LIST_COLUMN_TYPES, "string,int,string");
    conf.set(AccumuloSerDeParameters.DEFAULT_STORAGE_TYPE, ColumnEncoding.BINARY.getName());
    String columnMappingStr = "cf:f1,cf:f2,:rowID";
    conf.set(AccumuloSerDeParameters.COLUMN_MAPPINGS, columnMappingStr);
    columnMapper = new ColumnMapper(columnMappingStr, ColumnEncoding.STRING.getName(), columnNames, columnTypes);
    ExprNodeDesc column = new ExprNodeColumnDesc(TypeInfoFactory.stringTypeInfo, "field1", null, false);
    ExprNodeDesc constant = new ExprNodeConstantDesc(TypeInfoFactory.stringTypeInfo, "aaa");
    List<ExprNodeDesc> children = Lists.newArrayList();
    children.add(column);
    children.add(constant);
    ExprNodeDesc node = new ExprNodeGenericFuncDesc(TypeInfoFactory.stringTypeInfo, new GenericUDFOPEqualOrLessThan(), children);
    assertNotNull(node);
    ExprNodeDesc column2 = new ExprNodeColumnDesc(TypeInfoFactory.intTypeInfo, "field2", null, false);
    ExprNodeDesc constant2 = new ExprNodeConstantDesc(TypeInfoFactory.intTypeInfo, 5);
    List<ExprNodeDesc> children2 = Lists.newArrayList();
    children2.add(column2);
    children2.add(constant2);
    ExprNodeDesc node2 = new ExprNodeGenericFuncDesc(TypeInfoFactory.stringTypeInfo, new GenericUDFOPGreaterThan(), 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);
    List<IteratorSetting> iterators = handler.getIterators(conf, columnMapper);
    assertEquals(iterators.size(), 2);
    IteratorSetting is1 = iterators.get(0);
    IteratorSetting is2 = iterators.get(1);
    boolean foundQual = false;
    boolean foundPCompare = false;
    boolean foundCOpt = false;
    boolean foundConst = false;
    for (Map.Entry<String, String> option : is1.getOptions().entrySet()) {
        String optKey = option.getKey();
        if (optKey.equals(PrimitiveComparisonFilter.COLUMN)) {
            foundQual = true;
            assertEquals(option.getValue(), "cf:f1");
        } else if (optKey.equals(PrimitiveComparisonFilter.CONST_VAL)) {
            foundConst = true;
            assertEquals(option.getValue(), new String(Base64.encodeBase64("aaa".getBytes())));
        } else if (optKey.equals(PrimitiveComparisonFilter.COMPARE_OPT_CLASS)) {
            foundCOpt = true;
            assertEquals(option.getValue(), LessThanOrEqual.class.getName());
        } else if (optKey.equals(PrimitiveComparisonFilter.P_COMPARE_CLASS)) {
            foundPCompare = true;
            assertEquals(option.getValue(), StringCompare.class.getName());
        }
    }
    assertTrue(foundConst & foundCOpt & foundPCompare & foundQual);
    foundQual = false;
    foundPCompare = false;
    foundCOpt = false;
    foundConst = false;
    for (Map.Entry<String, String> option : is2.getOptions().entrySet()) {
        String optKey = option.getKey();
        if (optKey.equals(PrimitiveComparisonFilter.COLUMN)) {
            foundQual = true;
            assertEquals(option.getValue(), "cf:f2");
        } else if (optKey.equals(PrimitiveComparisonFilter.CONST_VAL)) {
            foundConst = true;
            byte[] intVal = new byte[4];
            ByteBuffer.wrap(intVal).putInt(5);
            assertEquals(option.getValue(), new String(Base64.encodeBase64(intVal)));
        } else if (optKey.equals(PrimitiveComparisonFilter.COMPARE_OPT_CLASS)) {
            foundCOpt = true;
            assertEquals(option.getValue(), GreaterThan.class.getName());
        } else if (optKey.equals(PrimitiveComparisonFilter.P_COMPARE_CLASS)) {
            foundPCompare = true;
            assertEquals(option.getValue(), IntCompare.class.getName());
        }
    }
    assertTrue(foundConst & foundCOpt & foundPCompare & foundQual);
}