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

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

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    }
   
    @Override
    public void visit( GreaterThanExpression op ) throws FrontendException {
       
        BinaryComparisonOperator exprOp = new GreaterThanExpr(new OperatorKey(
                DEFAULT_SCOPE, nodeGen.getNextNodeId(DEFAULT_SCOPE)));
       
        attachBinaryComparisonOperator(op, exprOp);
    }
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    }
   
    @Override
    public void visitGreaterThan( GreaterThanExpression op ) throws IOException {
       
        BinaryComparisonOperator exprOp = new GreaterThanExpr(new OperatorKey(
                DEFAULT_SCOPE, nodeGen.getNextNodeId(DEFAULT_SCOPE)));
       
        attachBinaryComparisonOperator(op, exprOp);
    }
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    }
   
    @Override
    public void visit( GreaterThanExpression op ) throws FrontendException {
       
        BinaryComparisonOperator exprOp = new GreaterThanExpr(new OperatorKey(
                DEFAULT_SCOPE, nodeGen.getNextNodeId(DEFAULT_SCOPE)));
       
        attachBinaryComparisonOperator(op, exprOp);
    }
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    }
   
    @Override
    public void visit( GreaterThanExpression op ) throws FrontendException {
       
        BinaryComparisonOperator exprOp = new GreaterThanExpr(new OperatorKey(
                DEFAULT_SCOPE, nodeGen.getNextNodeId(DEFAULT_SCOPE)));
       
        attachBinaryComparisonOperator(op, exprOp);
    }
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    public void testDateTimeGt() throws Exception {
        ConstantExpression lt = GenPhyOp.exprConst();
        lt.setValue(new DateTime(1L));
        ConstantExpression rt = GenPhyOp.exprConst();
        rt.setValue(new DateTime(0L));
        GreaterThanExpr g = GenPhyOp.compGreaterThanExpr();
        g.setLhs(lt);
        g.setRhs(rt);
        g.setOperandType(DataType.DATETIME);
        Result r = g.getNextBoolean();
        assertEquals(POStatus.STATUS_OK, r.returnStatus);
        assertTrue((Boolean)r.result);
    }
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    public void testDateTimeLt() throws Exception {
        ConstantExpression lt = GenPhyOp.exprConst();
        lt.setValue(new DateTime(0L));
        ConstantExpression rt = GenPhyOp.exprConst();
        rt.setValue(new DateTime(1L));
        GreaterThanExpr g = GenPhyOp.compGreaterThanExpr();
        g.setLhs(lt);
        g.setRhs(rt);
        g.setOperandType(DataType.DATETIME);
        Result r = g.getNextBoolean();
        assertEquals(POStatus.STATUS_OK, r.returnStatus);
        assertFalse((Boolean)r.result);
    }
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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));
        GreaterThanExpr g = GenPhyOp.compGreaterThanExpr();
        g.setLhs(lt);
        g.setRhs(rt);
        g.setOperandType(DataType.DATETIME);
        Result r = g.getNextBoolean();
        assertEquals(POStatus.STATUS_OK, r.returnStatus);
        assertFalse((Boolean)r.result);
    }
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    public void testStringGt() throws Exception {
        ConstantExpression lt = GenPhyOp.exprConst();
        lt.setValue(new String("b"));
        ConstantExpression rt = GenPhyOp.exprConst();
        rt.setValue(new String("a"));
        GreaterThanExpr g = GenPhyOp.compGreaterThanExpr();
        g.setLhs(lt);
        g.setRhs(rt);
        g.setOperandType(DataType.CHARARRAY);
        Result r = g.getNextBoolean();
        assertEquals(POStatus.STATUS_OK, r.returnStatus);
        assertTrue((Boolean)r.result);
    }
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    public void testStringLt() throws Exception {
        ConstantExpression lt = GenPhyOp.exprConst();
        lt.setValue(new String("a"));
        ConstantExpression rt = GenPhyOp.exprConst();
        rt.setValue(new String("b"));
        GreaterThanExpr g = GenPhyOp.compGreaterThanExpr();
        g.setLhs(lt);
        g.setRhs(rt);
        g.setOperandType(DataType.CHARARRAY);
        Result r = g.getNextBoolean();
        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"));
        GreaterThanExpr g = GenPhyOp.compGreaterThanExpr();
        g.setLhs(lt);
        g.setRhs(rt);
        g.setOperandType(DataType.CHARARRAY);
        Result r = g.getNextBoolean();
        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.GreaterThanExpr

  • 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.TestFilter
  • org.apache.pig.test.TestGreaterThan
  • org.apache.pig.backend.executionengine.ExecException
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