Package org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators

Examples of org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.ConstantExpression

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    ConstantExpression lt, rt;
    Subtract op = new Subtract(new OperatorKey("", r.nextLong()));

    @Before
    public void setUp() throws Exception {
        lt = new ConstantExpression(new OperatorKey("",r.nextLong()));
        rt = new ConstantExpression(new OperatorKey("",r.nextLong()));
    }
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    BinaryExpressionOperator bop;
    UnaryExpressionOperator uop;

    @Before
    public void setUp() throws Exception {
        lt = new ConstantExpression(new OperatorKey("", r.nextLong()));
        lt.setResultType(DataType.BOOLEAN);
        rt = new ConstantExpression(new OperatorKey("", r.nextLong()));
        rt.setResultType(DataType.BOOLEAN);
    }
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import org.junit.Test;

public class TestEqualTo {
    @Test
    public void testBooleanNe() throws Exception {
        ConstantExpression lt = GenPhyOp.exprConst();
        lt.setValue(Boolean.TRUE);
        ConstantExpression rt = GenPhyOp.exprConst();
        rt.setValue(Boolean.FALSE);
        EqualToExpr g = GenPhyOp.compEqualToExpr();
        g.setLhs(lt);
        g.setRhs(rt);
        g.setOperandType(DataType.BOOLEAN);
        Result r = g.getNextBoolean();
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        assertFalse((Boolean)r.result);
    }

    @Test
    public void testBooleanEq() throws Exception {
        ConstantExpression lt = GenPhyOp.exprConst();
        lt.setValue(Boolean.TRUE);
        ConstantExpression rt = GenPhyOp.exprConst();
        rt.setValue(Boolean.TRUE);
        EqualToExpr g = GenPhyOp.compEqualToExpr();
        g.setLhs(lt);
        g.setRhs(rt);
        g.setOperandType(DataType.BOOLEAN);
        Result r = g.getNextBoolean();
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        checkNullValues(DataType.BOOLEAN, Boolean.TRUE);
    }

    @Test
    public void testIntegerNe() throws Exception {
        ConstantExpression lt = GenPhyOp.exprConst();
        lt.setValue(new Integer(1));
        ConstantExpression rt = GenPhyOp.exprConst();
        rt.setValue(new Integer(0));
        EqualToExpr g = GenPhyOp.compEqualToExpr();
        g.setLhs(lt);
        g.setRhs(rt);
        g.setOperandType(DataType.INTEGER);
        Result r = g.getNextBoolean();
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        assertFalse((Boolean)r.result);
    }

    @Test
    public void testIntegerEq() throws Exception {
        ConstantExpression lt = GenPhyOp.exprConst();
        lt.setValue(new Integer(1));
        ConstantExpression rt = GenPhyOp.exprConst();
        rt.setValue(new Integer(1));
        EqualToExpr g = GenPhyOp.compEqualToExpr();
        g.setLhs(lt);
        g.setRhs(rt);
        g.setOperandType(DataType.INTEGER);
        Result r = g.getNextBoolean();
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        checkNullValues(DataType.INTEGER, new Integer(1));
    }

    @Test
    public void testLongNe() throws Exception {
        ConstantExpression lt = GenPhyOp.exprConst();
        lt.setValue(new Long(1L));
        ConstantExpression rt = GenPhyOp.exprConst();
        rt.setValue(new Long(0L));
        EqualToExpr g = GenPhyOp.compEqualToExpr();
        g.setLhs(lt);
        g.setRhs(rt);
        g.setOperandType(DataType.LONG);
        Result r = g.getNextBoolean();
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        assertFalse((Boolean)r.result);
    }

    @Test
    public void testLongEq() throws Exception {
        ConstantExpression lt = GenPhyOp.exprConst();
        lt.setValue(new Long(1L));
        ConstantExpression rt = GenPhyOp.exprConst();
        rt.setValue(new Long(1L));
        EqualToExpr g = GenPhyOp.compEqualToExpr();
        g.setLhs(lt);
        g.setRhs(rt);
        g.setOperandType(DataType.LONG);
        Result r = g.getNextBoolean();
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        checkNullValues(DataType.LONG, new Long(1));
    }

    @Test
    public void testFloatNe() throws Exception {
        ConstantExpression lt = GenPhyOp.exprConst();
        lt.setValue(new Float(0.0f));
        ConstantExpression rt = GenPhyOp.exprConst();
        rt.setValue(new Float(1.0f));
        EqualToExpr g = GenPhyOp.compEqualToExpr();
        g.setLhs(lt);
        g.setRhs(rt);
        g.setOperandType(DataType.FLOAT);
        Result r = g.getNextBoolean();
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        assertFalse((Boolean)r.result);
    }

    @Test
    public void testFloatEq() throws Exception {
        ConstantExpression lt = GenPhyOp.exprConst();
        lt.setValue(new Float(1.0f));
        ConstantExpression rt = GenPhyOp.exprConst();
        rt.setValue(new Float(1.0f));
        EqualToExpr g = GenPhyOp.compEqualToExpr();
        g.setLhs(lt);
        g.setRhs(rt);
        g.setOperandType(DataType.FLOAT);
        Result r = g.getNextBoolean();
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