Package org.apache.pig.impl.logicalLayer

Examples of org.apache.pig.impl.logicalLayer.ExpressionOperator

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        }

    }

    public void visit(LOBinCond op) throws VisitorException {
        ExpressionOperator condition = op.getCond();
        ExpressionOperator left = op.getLhsOp();
        ExpressionOperator right = op.getRhsOp();
       
        BinCondExpression exp = new BinCondExpression(exprPlan,
                exprOpsMap.get(condition), exprOpsMap.get(left), exprOpsMap.get(right));
        exprOpsMap.put(op, exp);
    }
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                exprOpsMap.get(condition), exprOpsMap.get(left), exprOpsMap.get(right));
        exprOpsMap.put(op, exp);
    }

    public void visit(LOCast cast) throws VisitorException {
        ExpressionOperator exp = cast.getExpression();
       
        CastExpression c = null;
        try {
            c = new CastExpression(exprPlan, exprOpsMap.get(exp), Util.translateFieldSchema(cast.getFieldSchema()));
        } catch (FrontendException e) {
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        c.setFuncSpec(cast.getLoadFuncSpec());
        exprOpsMap.put(cast, c);
    }
   
    public void visit(LORegexp binOp) throws VisitorException {
        ExpressionOperator left = binOp.getLhsOperand();
        ExpressionOperator right = binOp.getRhsOperand();
       
        RegexExpression ae = new RegexExpression(exprPlan
                , exprOpsMap.get(left), exprOpsMap.get(right));
        exprOpsMap.put(binOp, ae);
    }
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                , exprOpsMap.get(left), exprOpsMap.get(right));
        exprOpsMap.put(binOp, ae);
    }

    public void visit(LONotEqual op) throws VisitorException {
        ExpressionOperator left = op.getLhsOperand();
        ExpressionOperator right = op.getRhsOperand();
               
        NotEqualExpression eq = new NotEqualExpression(exprPlan,
                exprOpsMap.get(left), exprOpsMap.get(right));
        exprOpsMap.put(op, eq);
    }
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                exprOpsMap.get(left), exprOpsMap.get(right));
        exprOpsMap.put(op, eq);
    }

    public void visit(LOAdd binOp) throws VisitorException {       
        ExpressionOperator left = binOp.getLhsOperand();
        ExpressionOperator right = binOp.getRhsOperand();
       
        AddExpression ae = new AddExpression(exprPlan,
                exprOpsMap.get(left), exprOpsMap.get(right));
        exprOpsMap.put(binOp, ae);
    }
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                exprOpsMap.get(left), exprOpsMap.get(right));
        exprOpsMap.put(binOp, ae);
    }

    public void visit(LOSubtract binOp) throws VisitorException {
        ExpressionOperator left = binOp.getLhsOperand();
        ExpressionOperator right = binOp.getRhsOperand();
       
        SubtractExpression ae = new SubtractExpression(exprPlan,
                exprOpsMap.get(left), exprOpsMap.get(right));
        exprOpsMap.put(binOp, ae);
    }
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                exprOpsMap.get(left), exprOpsMap.get(right));
        exprOpsMap.put(binOp, ae);
    }

    public void visit(LOMultiply binOp) throws VisitorException {
        ExpressionOperator left = binOp.getLhsOperand();
        ExpressionOperator right = binOp.getRhsOperand();
       
        MultiplyExpression ae = new MultiplyExpression(exprPlan,
                exprOpsMap.get(left), exprOpsMap.get(right));
        exprOpsMap.put(binOp, ae);
    }
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                exprOpsMap.get(left), exprOpsMap.get(right));
        exprOpsMap.put(binOp, ae);
    }

    public void visit(LODivide binOp) throws VisitorException {
        ExpressionOperator left = binOp.getLhsOperand();
        ExpressionOperator right = binOp.getRhsOperand();
       
        DivideExpression ae = new DivideExpression(exprPlan,
                exprOpsMap.get(left), exprOpsMap.get(right));
        exprOpsMap.put(binOp, ae);
    }
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                exprOpsMap.get(left), exprOpsMap.get(right));
        exprOpsMap.put(binOp, ae);
    }

    public void visit(LOMod binOp) throws VisitorException {
        ExpressionOperator left = binOp.getLhsOperand();
        ExpressionOperator right = binOp.getRhsOperand();
       
        ModExpression ae = new ModExpression(exprPlan,
                exprOpsMap.get(left), exprOpsMap.get(right));
        exprOpsMap.put(binOp, ae);
    }
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        exprOpsMap.put(binOp, ae);
    }

   
    public void visit(LONegative uniOp) throws VisitorException {
        ExpressionOperator exp = uniOp.getOperand();
        NegativeExpression op = new NegativeExpression(exprPlan, exprOpsMap.get(exp));
        exprOpsMap.put(uniOp, op);
    }
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Related Classes of org.apache.pig.impl.logicalLayer.ExpressionOperator

  • org.apache.pig.experimental.logical.LogicalPlanMigrationVistor$LogicalExpPlanMigrationVistor
  • org.apache.pig.impl.logicalLayer.optimizer.PruneColumns
  • org.apache.pig.impl.logicalLayer.validators.TypeCheckingVisitor
  • org.apache.pig.newplan.logical.LogicalExpPlanMigrationVistor
  • org.apache.pig.pen.AugmentBaseDataVisitor
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