Package org.apache.pig.newplan.logical.relational

Examples of org.apache.pig.newplan.logical.relational.LogicalPlan.connect()

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                if( preds != null ) {
                    List<Operator> ops = new ArrayList<Operator>( preds );
                    for( Operator pred : ops ) {
                        if( !queue.contains( pred ) )
                            queue.add( pred );
                        plan.connect( pred, currOp );
                    }
                }

                // visit expression associated with currOp. If it refers to any other operator
                // that operator is also going to be enqueued.
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        gen.setFlattenFlags( flags );
        gen.setUserDefinedSchema( schemas );
        innerPlan.add( gen );
        gen.setLocation( loc );
        for( Operator input : inputs ) {
            innerPlan.connect( input, gen );
        }
    }

    /**
     * Process expression plans of LOGenerate and set inputs relation
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        gen.setFlattenFlags( flatten );
        lp.add( gen );

        for( Operator il : innerLoads ) {
            lp.add( il );
            lp.connect( il, gen );
        }

        // Connect the inner load operators to gen
        setAlias( f, alias );
        innerPlan.add( input );
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        plan.add(load);
        plan.add(store);
        plan.add(filter);

        plan.connect(load, filter);
        plan.connect(filter, store);

        return plan;
    }
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        plan.add(load);
        plan.add(store);
        plan.add(filter);

        plan.connect(load, filter);
        plan.connect(filter, store);

        return plan;
    }

    private File generateTmpFile(String filename) throws Exception {
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        LOStore store = new LOStore(plan, filespec2, (StoreFuncInterface)PigContext.instantiateFuncFromSpec(filespec2.getFuncSpec()), null) ;

        plan.add(load) ;
        plan.add(store) ;

        plan.connect(load, store) ;

        return plan ;
    }

    private File generateTempFile() throws Throwable {
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            mm.put(0, aprojplan);
            mm.put(1, bprojplan);
            LOJoin C = new LOJoin(lp, mm, JOINTYPE.HASH, new boolean[] { true, true });
            C.neverUseForRealSetSchema(cschema);
            lp.add(C);
            lp.connect(A, C);
            lp.connect(B, C);

            // D = filter
            LogicalExpressionPlan filterPlan = new LogicalExpressionPlan();
            ProjectExpression fy = new ProjectExpression(filterPlan, 0, 1, null);
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            mm.put(1, bprojplan);
            LOJoin C = new LOJoin(lp, mm, JOINTYPE.HASH, new boolean[] { true, true });
            C.neverUseForRealSetSchema(cschema);
            lp.add(C);
            lp.connect(A, C);
            lp.connect(B, C);

            // D = filter
            LogicalExpressionPlan filterPlan = new LogicalExpressionPlan();
            ProjectExpression fy = new ProjectExpression(filterPlan, 0, 1, null);
            ConstantExpression fc = new ConstantExpression(filterPlan, new Integer(0));
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            ConstantExpression fc = new ConstantExpression(filterPlan, new Integer(0));
            new EqualExpression(filterPlan, fy, fc);
            LOFilter D = new LOFilter(lp, filterPlan);
            D.neverUseForRealSetSchema(cschema);
            lp.add(D);
            lp.connect(C, D);
        }

        // Build a second similar plan to test equality
        // A = load
        LogicalPlan lp1 = new LogicalPlan();
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            mm.put(0, aprojplan);
            mm.put(1, bprojplan);
            LOJoin C = new LOJoin(lp1, mm, JOINTYPE.HASH, new boolean[] { true, true });
            C.neverUseForRealSetSchema(cschema);
            lp1.add(C);
            lp1.connect(A, C);
            lp1.connect(B, C);

            // D = filter
            LogicalExpressionPlan filterPlan = new LogicalExpressionPlan();
            ProjectExpression fy = new ProjectExpression(filterPlan, 0, 1, null);
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