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

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

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        Tuple tuple_2 = TupleFactory.getInstance().newTuple("item_2");
        ConstantExpression lt = GenPhyOp.exprConst();
        lt.setValue(map_1);
        ConstantExpression rt = GenPhyOp.exprConst();
        rt.setValue(map_2);
        EqualToExpr g = GenPhyOp.compEqualToExpr();
        g.setLhs(lt);
        g.setRhs(rt);
        g.setOperandType(DataType.MAP);
        Result r = g.getNextBoolean();
        assertEquals(POStatus.STATUS_OK, r.returnStatus);
        assertFalse((Boolean)r.result);
    }
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    public <U> void checkNullValues(byte operandType, U value) throws Exception {

        ConstantExpression lt = GenPhyOp.exprConst();
        ConstantExpression rt = GenPhyOp.exprConst();
        EqualToExpr g = GenPhyOp.compEqualToExpr();

        // test with null in lhs
        g.setOperandType(operandType);
        lt.setValue(null);
        rt.setValue(value);
        g.setLhs(lt);
        g.setRhs(rt);

        Result r = g.getNextBoolean();
        assertEquals(POStatus.STATUS_OK, r.returnStatus);
        assertNull(r.result);

        // test with null in rhs
        g.setOperandType(operandType);
        lt.setValue(value);
        rt.setValue(null);
        g.setLhs(lt);
        g.setRhs(rt);

        r = g.getNextBoolean();
        assertEquals(POStatus.STATUS_OK, r.returnStatus);
        assertNull(r.result);

        // test with null in lhs and rhs
        g.setOperandType(operandType);
        lt.setValue(null);
        rt.setValue(null);
        g.setLhs(lt);
        g.setRhs(rt);

        r = g.getNextBoolean();
        assertEquals(POStatus.STATUS_OK, r.returnStatus);
        assertNull(r.result);
    }
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            POProject prj1 = GenPhyOp.exprProject();
            prj1.setColumn(0);
            prj1.setResultType(type);


            EqualToExpr equal = (EqualToExpr) GenPhyOp.compEqualToExpr();
            equal.setLhs(prj1);
            equal.setRhs(rt);
            equal.setOperandType(type);

            POProject prjLhs = GenPhyOp.exprProject();
            prjLhs.setResultType(DataType.INTEGER);
            prjLhs.setColumn(1);
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            GreaterThanExpr gt = GenPhyOp.compGreaterThanExpr(p1, c2, DataType.INTEGER);

            POProject p3 = GenPhyOp.exprProject(1);
            ConstantExpression c = GenPhyOp.exprConst();
            c.setValue(new Integer(1));
            EqualToExpr eq = GenPhyOp.compEqualToExpr(p3, c, DataType.INTEGER);
            POAnd and = GenPhyOp.compAndExpr(gt, eq);

            PhysicalPlan ip = new PhysicalPlan();
            ip.add(p1);
            ip.add(c2);
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            POProject prj1 = GenPhyOp.exprProject();
            prj1.setColumn(0);
            prj1.setResultType(type);

           
            EqualToExpr equal = (EqualToExpr) GenPhyOp.compEqualToExpr();
            equal.setLhs(prj1);
            equal.setRhs(rt);
            equal.setOperandType(type);
           
            POProject prjLhs = GenPhyOp.exprProject();
            prjLhs.setResultType(DataType.INTEGER);
            prjLhs.setColumn(1);
           
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    }
   
    @Override
    public void visit( EqualExpression op ) throws FrontendException {
       
        BinaryComparisonOperator exprOp = new EqualToExpr(new OperatorKey(
                DEFAULT_SCOPE, nodeGen.getNextNodeId(DEFAULT_SCOPE)));
       
        attachBinaryComparisonOperator(op, exprOp);
    }
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    public void testDateTimeEq() throws Exception {
        ConstantExpression lt = GenPhyOp.exprConst();
        lt.setValue(new DateTime(1L));
        ConstantExpression rt = GenPhyOp.exprConst();
        rt.setValue(new DateTime(1L));
        EqualToExpr g = GenPhyOp.compEqualToExpr();
        g.setLhs(lt);
        g.setRhs(rt);
        g.setOperandType(DataType.DATETIME);
        Result r = g.getNext(new Boolean(true));
        assertEquals(POStatus.STATUS_OK, r.returnStatus);
        assertTrue((Boolean)r.result);
    }
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    public void testStringNe() throws Exception {
        ConstantExpression lt = GenPhyOp.exprConst();
        lt.setValue(new String("a"));
        ConstantExpression rt = GenPhyOp.exprConst();
        rt.setValue(new String("b"));
        EqualToExpr g = GenPhyOp.compEqualToExpr();
        g.setLhs(lt);
        g.setRhs(rt);
        g.setOperandType(DataType.CHARARRAY);
        Result r = g.getNext(new Boolean(true));
        assertEquals(POStatus.STATUS_OK, r.returnStatus);
        assertFalse((Boolean)r.result);
    }
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    public void testStringEq() throws Exception {
        ConstantExpression lt = GenPhyOp.exprConst();
        lt.setValue(new String("b"));
        ConstantExpression rt = GenPhyOp.exprConst();
        rt.setValue(new String("b"));
        EqualToExpr g = GenPhyOp.compEqualToExpr();
        g.setLhs(lt);
        g.setRhs(rt);
        g.setOperandType(DataType.CHARARRAY);
        Result r = g.getNext(new Boolean(true));
        assertEquals(POStatus.STATUS_OK, r.returnStatus);
        assertTrue((Boolean)r.result);
    }
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    public void testDataByteArrayNe() throws Exception {
        ConstantExpression lt = GenPhyOp.exprConst();
        lt.setValue(new DataByteArray("a"));
        ConstantExpression rt = GenPhyOp.exprConst();
        rt.setValue(new DataByteArray("b"));
        EqualToExpr g = GenPhyOp.compEqualToExpr();
        g.setLhs(lt);
        g.setRhs(rt);
        g.setOperandType(DataType.BYTEARRAY);
        Result r = g.getNext(new Boolean(true));
        assertEquals(POStatus.STATUS_OK, r.returnStatus);
        assertFalse((Boolean)r.result);
    }
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Related Classes of org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.EqualToExpr

  • org.apache.pig.backend.hadoop.executionengine.physicalLayer.Result
  • org.apache.pig.experimental.logical.expression.ExpToPhyTranslationVisitor
  • org.apache.pig.impl.plan.OperatorKey
  • org.apache.pig.newplan.logical.expression.ExpToPhyTranslationVisitor
  • org.apache.pig.test.TestEqualTo
  • org.apache.pig.test.TestFilter
  • org.apache.pig.test.TestPOBinCond$TestPoBinCondHelper
  • java.util.HashMap
  • org.apache.pig.backend.executionengine.ExecException
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