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

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

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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);
        NotEqualToExpr g = GenPhyOp.compNotEqualToExpr();
        g.setLhs(lt);
        g.setRhs(rt);
        g.setOperandType(DataType.MAP);
        Result r = g.getNext(new Boolean(true));
        assertEquals(POStatus.STATUS_OK, r.returnStatus);
        assertTrue((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();
        NotEqualToExpr g = GenPhyOp.compNotEqualToExpr();

        // test with null in lhs
        g.setOperandType(operandType);
        lt.setValue(null);
        rt.setValue( value );
        g.setLhs(lt);
        g.setRhs(rt);
      
        Result r = g.getNext(new Boolean(true));
        assertEquals(POStatus.STATUS_NULL, r.returnStatus);
        assertEquals(null, (Boolean)r.result);
       
        // test with null in rhs
        g.setOperandType(operandType);
        lt.setValue( value );
        rt.setValue(null);
        g.setLhs(lt);
        g.setRhs(rt);
      
        r = g.getNext(new Boolean(true));
        assertEquals(POStatus.STATUS_NULL, r.returnStatus);
        assertEquals(null, (Boolean)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.getNext(new Boolean(true));
        assertEquals(POStatus.STATUS_NULL, r.returnStatus);
        assertEquals(null, (Boolean)r.result);

    }
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    public void testIntegerNe() throws Exception {
        ConstantExpression lt = GenPhyOp.exprConst();
        lt.setValue(new Integer(1));
        ConstantExpression rt = GenPhyOp.exprConst();
        rt.setValue(new Integer(0));
        NotEqualToExpr g = GenPhyOp.compNotEqualToExpr();
        g.setLhs(lt);
        g.setRhs(rt);
        g.setOperandType(DataType.INTEGER);
        Result r = g.getNext(new Boolean(true));
        assertEquals(POStatus.STATUS_OK, r.returnStatus);
        assertTrue((Boolean)r.result);
    }
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    public void testIntegerEq() throws Exception {
        ConstantExpression lt = GenPhyOp.exprConst();
        lt.setValue(new Integer(1));
        ConstantExpression rt = GenPhyOp.exprConst();
        rt.setValue(new Integer(1));
        NotEqualToExpr g = GenPhyOp.compNotEqualToExpr();
        g.setLhs(lt);
        g.setRhs(rt);
        g.setOperandType(DataType.INTEGER);
        Result r = g.getNext(new Boolean(true));
        assertEquals(POStatus.STATUS_OK, r.returnStatus);
        assertFalse((Boolean)r.result);
    }
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    public void testLongNe() throws Exception {
        ConstantExpression lt = GenPhyOp.exprConst();
        lt.setValue(new Long(1L));
        ConstantExpression rt = GenPhyOp.exprConst();
        rt.setValue(new Long(0L));
        NotEqualToExpr g = GenPhyOp.compNotEqualToExpr();
        g.setLhs(lt);
        g.setRhs(rt);
        g.setOperandType(DataType.LONG);
        Result r = g.getNext(new Boolean(true));
        assertEquals(POStatus.STATUS_OK, r.returnStatus);
        assertTrue((Boolean)r.result);
    }
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    public void testLongEq() throws Exception {
        ConstantExpression lt = GenPhyOp.exprConst();
        lt.setValue(new Long(1L));
        ConstantExpression rt = GenPhyOp.exprConst();
        rt.setValue(new Long(1L));
        NotEqualToExpr g = GenPhyOp.compNotEqualToExpr();
        g.setLhs(lt);
        g.setRhs(rt);
        g.setOperandType(DataType.LONG);
        Result r = g.getNext(new Boolean(true));
        assertEquals(POStatus.STATUS_OK, r.returnStatus);
        assertFalse((Boolean)r.result);
    }
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    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));
        NotEqualToExpr g = GenPhyOp.compNotEqualToExpr();
        g.setLhs(lt);
        g.setRhs(rt);
        g.setOperandType(DataType.FLOAT);
        Result r = g.getNext(new Boolean(true));
        assertEquals(POStatus.STATUS_OK, r.returnStatus);
        assertTrue((Boolean)r.result);
    }
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    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));
        NotEqualToExpr g = GenPhyOp.compNotEqualToExpr();
        g.setLhs(lt);
        g.setRhs(rt);
        g.setOperandType(DataType.FLOAT);
        Result r = g.getNext(new Boolean(true));
        assertEquals(POStatus.STATUS_OK, r.returnStatus);
        assertFalse((Boolean)r.result);
    }
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    }
   
    @Override
    public void visitNotEqual( NotEqualExpression op ) throws IOException {
       
        BinaryComparisonOperator exprOp = new NotEqualToExpr(new OperatorKey(
                DEFAULT_SCOPE, nodeGen.getNextNodeId(DEFAULT_SCOPE)));
       
        attachBinaryComparisonOperator(op, exprOp);
    }
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    }
   
    @Override
    public void visit( NotEqualExpression op ) throws FrontendException {
       
        BinaryComparisonOperator exprOp = new NotEqualToExpr(new OperatorKey(
                DEFAULT_SCOPE, nodeGen.getNextNodeId(DEFAULT_SCOPE)));
       
        attachBinaryComparisonOperator(op, exprOp);
    }
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Related Classes of org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.NotEqualToExpr

  • 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.TestNotEqualTo
  • java.util.HashMap
  • org.apache.pig.backend.executionengine.ExecException
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