Examples of ProjectExpression

org.apache.pig.experimental.logical.expression.ProjectExpression
Projection of columns in an expression.
org.apache.pig.newplan.logical.expression.ProjectExpression
Projection of columns in an expression.

Examples of org.apache.pig.newplan.logical.expression.ProjectExpression

                    gen.setUserDefinedSchema(mUserDefinedSchema);
                innerPlan.add( gen );
                newForeach.setInnerPlan( innerPlan );
                for( int i = 0; i < fieldCount; i++ ) {
                    LogicalExpressionPlan expr = new LogicalExpressionPlan();
                    expr.add( new ProjectExpression( expr, i, -1, gen ) );
                    exprs.add( expr );
                    
                    LOInnerLoad innerLoad = new LOInnerLoad(innerPlan, newForeach, i);
                    innerPlan.add(innerLoad);
                    innerPlan.connect(innerLoad, gen);

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Examples of org.apache.pig.newplan.logical.expression.ProjectExpression

                input = outerPlan.getPredecessors(split).indexOf(lg);
            }
            else {
                input = outerPlan.getPredecessors(oldAttachedRelationalOp).indexOf(lg);
            }
            pe = new ProjectExpression(exprPlan, input, project.isStar()?-1:col, attachedRelationalOp);
        }
        
        exprPlan.add(pe);
        exprOpsMap.put(project, pe);       
        translateConnection(project, pe);

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Examples of org.apache.pig.newplan.logical.expression.ProjectExpression

            LOInnerLoad innerLoad = new LOInnerLoad(innerPlan, foreach, i);
            innerPlan.add(innerLoad);
            innerPlan.connect(innerLoad, gen);
            
            LogicalExpressionPlan exp = new LogicalExpressionPlan();
            ProjectExpression prj = new ProjectExpression(exp, j++, -1, gen);
            exp.add(prj);
            exps.add(exp);
        }
        return foreach;
    }

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Examples of org.apache.pig.newplan.logical.expression.ProjectExpression

   {
    if(op instanceof ConstantExpression) {
      ConstantExpression constExpr =(ConstantExpression)op ;
      return new Expression.Const( constExpr.getValue() );
    } else if (op instanceof ProjectExpression) {
      ProjectExpression projExpr = (ProjectExpression)op;
      String fieldName = projExpr.getFieldSchema().alias;
            return new Expression.Column(fieldName);
        } else {
      if( !( op instanceof BinaryExpression ) ) {
        throwException();
      }

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Examples of org.apache.pig.newplan.logical.expression.ProjectExpression

                                  
            // The logical plan part is done, add this sub plan under LOGenerate, 
            // and prepare for the expression plan
            newInnerPlan.connect(innerLoad, gen);
            
            ProjectExpression pe = new ProjectExpression(exprPlan, inputNo++, -1, gen);
            exprPlan.add(pe);
            exprOpsMap.put(project, pe);
            try {
                translateInnerPlanConnection(project, pe);
            } catch (FrontendException e) {

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Examples of org.apache.pig.newplan.logical.expression.ProjectExpression

                    newForEach, project.isStar()?-1:project.getCol());
            newForEachInnerPlan.add(innerLoad);
            newForEachInnerPlan.connect(innerLoad, generate);
            LogicalExpressionPlan expPlan = new LogicalExpressionPlan();
            expPlans.add(expPlan);
            ProjectExpression pe = new ProjectExpression(expPlan, i, -1, generate);
            expPlan.add(pe);
        }
        
        newInnerPlan.add(newForEach);
        innerOpsMap.put(foreach, newForEach);

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Examples of org.apache.pig.newplan.logical.expression.ProjectExpression


        // check join input plans
        LogicalExpressionPlan p1 = ((LOJoin)op).getJoinPlan(0).iterator().next();
        assertEquals(p1.size(), 1);
        
        ProjectExpression prj = (ProjectExpression)p1.getSources().get(0);
       
        assertEquals(prj.getInputNum(), 0);
        assertEquals(prj.getColNum(), 0);
        
        LogicalExpressionPlan p2 = ((LOJoin)op).getJoinPlan(1).iterator().next();
        assertEquals(p2.size(), 1);
        
        prj = (ProjectExpression)p2.getSources().get(0);
     
        assertEquals(prj.getInputNum(), 1);
        assertEquals(prj.getColNum(), 1);
        
        // check filter
        op = (LogicalRelationalOperator)newPlan.getSuccessors(op).get(0);
        assertEquals(op.getClass(), org.apache.pig.newplan.logical.relational.LOFilter.class);        
        LogicalExpressionPlan exp = ((org.apache.pig.newplan.logical.relational.LOFilter)op).getFilterPlan();

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Examples of org.apache.pig.newplan.logical.expression.ProjectExpression

        innerPlan.add(l2);
        
        List<LogicalExpressionPlan> eps = new ArrayList<LogicalExpressionPlan>();
        LOGenerate gen = new LOGenerate(innerPlan, eps, new boolean[] {false, true});
        LogicalExpressionPlan p1 = new LogicalExpressionPlan();
        p1.add(new ProjectExpression(p1, 0, -1, gen));
        LogicalExpressionPlan p2 = new LogicalExpressionPlan();
        p2.add(new ProjectExpression(p2, 1, -1, gen));
        eps.add(p1);
        eps.add(p2);
        
        
        innerPlan.add(gen);

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Examples of org.apache.pig.newplan.logical.expression.ProjectExpression

        innerPlan.add(l2);
        
        List<LogicalExpressionPlan>  eps = new ArrayList<LogicalExpressionPlan>();
        LOGenerate gen = new LOGenerate(innerPlan, eps, new boolean[] {false, true});
        LogicalExpressionPlan p1 = new LogicalExpressionPlan();
        new ProjectExpression(p1, 0, -1, gen);
        LogicalExpressionPlan p2 = new LogicalExpressionPlan();        
        new ProjectExpression(p2, 1, -1, gen);
        eps.add(p1);
        eps.add(p2);
        
        innerPlan.add(gen);
        innerPlan.connect(l1, gen);

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Examples of org.apache.pig.newplan.logical.expression.ProjectExpression

        assertEquals( 1, plans.size() );
        
        LogicalExpressionPlan exprPlan = plans.get(0);
        assertEquals( 1, exprPlan.getSinks().size() );
        assertEquals( ProjectExpression.class, exprPlan.getSinks().get(0).getClass() );
        ProjectExpression prj = (ProjectExpression) exprPlan.getSinks().get(0);
        assertEquals( loadSchema.getField(0).uid, prj.getFieldSchema().uid );
        assertEquals( 0, prj.getColNum() );
        assertEquals( 0, prj.getInputNum() );
    }

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