Package org.apache.hadoop.hive.ql.udf.generic

Examples of org.apache.hadoop.hive.ql.udf.generic.GenericUDFBetween


    ExprNodeColumnDesc col1Expr = new  ExprNodeColumnDesc(String.class, "col1", "table", false);
    ExprNodeConstantDesc constDesc = new ExprNodeConstantDesc("Alpha");
    ExprNodeConstantDesc constDesc2 = new ExprNodeConstantDesc("Bravo");

    // string BETWEEN
    GenericUDFBetween udf = new GenericUDFBetween();
    List<ExprNodeDesc> children1 = new ArrayList<ExprNodeDesc>();
    children1.add(new ExprNodeConstantDesc(new Boolean(false))); // no NOT keyword
    children1.add(col1Expr);
    children1.add(constDesc);
    children1.add(constDesc2);
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    ExprNodeColumnDesc col1Expr = new  ExprNodeColumnDesc(String.class, "col1", "table", false);
    ExprNodeConstantDesc constDesc = new ExprNodeConstantDesc("Alpha");
    ExprNodeConstantDesc constDesc2 = new ExprNodeConstantDesc("Bravo");

    // string BETWEEN
    GenericUDFBetween udf = new GenericUDFBetween();
    List<ExprNodeDesc> children1 = new ArrayList<ExprNodeDesc>();
    children1.add(new ExprNodeConstantDesc(new Boolean(false))); // no NOT keyword
    children1.add(col1Expr);
    children1.add(constDesc);
    children1.add(constDesc2);
    ExprNodeGenericFuncDesc exprDesc = new ExprNodeGenericFuncDesc(TypeInfoFactory.booleanTypeInfo, udf,
        children1);

    List<String> columns = new ArrayList<String>();
    columns.add("col0");
    columns.add("col1");
    columns.add("col2");
    VectorizationContext vc = new VectorizationContext(columns);

    VectorExpression ve = vc.getVectorExpression(exprDesc, VectorExpressionDescriptor.Mode.FILTER);
    assertTrue(ve instanceof FilterStringColumnBetween);

    // string NOT BETWEEN
    children1.set(0, new ExprNodeConstantDesc(new Boolean(true))); // has NOT keyword
    ve = vc.getVectorExpression(exprDesc, VectorExpressionDescriptor.Mode.FILTER);
    assertTrue(ve instanceof FilterStringColumnNotBetween);

    // CHAR tests
    CharTypeInfo charTypeInfo = new CharTypeInfo(10);
    col1Expr = new  ExprNodeColumnDesc(charTypeInfo, "col1", "table", false);
    constDesc = new ExprNodeConstantDesc(charTypeInfo, new HiveChar("Alpha", 10));
    constDesc2 = new ExprNodeConstantDesc(charTypeInfo, new HiveChar("Bravo", 10));

    // CHAR BETWEEN
    udf = new GenericUDFBetween();
    children1 = new ArrayList<ExprNodeDesc>();
    children1.add(new ExprNodeConstantDesc(new Boolean(false))); // no NOT keyword
    children1.add(col1Expr);
    children1.add(constDesc);
    children1.add(constDesc2);
    exprDesc = new ExprNodeGenericFuncDesc(TypeInfoFactory.booleanTypeInfo, udf,
        children1);

    vc = new VectorizationContext(columns);
    ve = vc.getVectorExpression(exprDesc, VectorExpressionDescriptor.Mode.FILTER);
    assertTrue(ve instanceof FilterCharColumnBetween);

    // CHAR NOT BETWEEN
    children1.set(0, new ExprNodeConstantDesc(new Boolean(true))); // has NOT keyword
    ve = vc.getVectorExpression(exprDesc, VectorExpressionDescriptor.Mode.FILTER);
    assertTrue(ve instanceof FilterCharColumnNotBetween);

    // VARCHAR tests
    VarcharTypeInfo varcharTypeInfo = new VarcharTypeInfo(10);
    col1Expr = new  ExprNodeColumnDesc(varcharTypeInfo, "col1", "table", false);
    constDesc = new ExprNodeConstantDesc(varcharTypeInfo, new HiveVarchar("Alpha", 10));
    constDesc2 = new ExprNodeConstantDesc(varcharTypeInfo, new HiveVarchar("Bravo", 10));

    // VARCHAR BETWEEN
    udf = new GenericUDFBetween();
    children1 = new ArrayList<ExprNodeDesc>();
    children1.add(new ExprNodeConstantDesc(new Boolean(false))); // no NOT keyword
    children1.add(col1Expr);
    children1.add(constDesc);
    children1.add(constDesc2);
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