Package org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.plans

Examples of org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.plans.MRStreamHandler.visit()

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        POPackageAnnotator pkgAnnotator = new POPackageAnnotator(plan);
        pkgAnnotator.visit();
       
        // check whether stream operator is present
        MRStreamHandler checker = new MRStreamHandler(plan);
        checker.visit();
       
        // optimize joins
        LastInputStreamingOptimizer liso =
            new MRCompiler.LastInputStreamingOptimizer(plan, lastInputChunkSize);
        liso.visit();
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        POPackageAnnotator pkgAnnotator = new POPackageAnnotator(plan);
        pkgAnnotator.visit();
       
        // check whether stream operator is present
        MRStreamHandler checker = new MRStreamHandler(plan);
        checker.visit();

        // optimize joins
        LastInputStreamingOptimizer liso =
            new MRCompiler.LastInputStreamingOptimizer(plan, lastInputChunkSize);
        liso.visit();
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        // check whether stream operator is present
        // after MultiQueryOptimizer because it can shift streams from
        // map to reduce, etc.
        MRStreamHandler checker = new MRStreamHandler(plan);
        checker.visit();
       
        return plan;
    }
   
    /**
 
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