Package org.apache.pig.experimental.logical.rules

Examples of org.apache.pig.experimental.logical.rules.ColumnMapKeyPrune


            // run filter rule
            Set<Rule> s = new HashSet<Rule>();
            List<Set<Rule>> ls = new ArrayList<Set<Rule>>();
            ls.add(s);
            // Add the PruneMap Filter
            Rule r = new ColumnMapKeyPrune("PruneMapKeys");
            s.add(r);           
           
            printPlan((org.apache.pig.experimental.logical.relational.LogicalPlan)newPlan);
           
            // Run the optimizer
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        // This set is used for pruning columns and maps
     
        s = new HashSet<Rule>();
        ls.add(s);
        // Add the PruneMap Filter
        r = new ColumnMapKeyPrune("ColumnMapKeyPrune");
        s.add(r);
       
        // Add LOForEach operator to trim off columns
       
        s = new HashSet<Rule>();
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        }
       
        protected List<Set<Rule>> buildRuleSets() {           
            List<Set<Rule>> ls = new ArrayList<Set<Rule>>();
           
            Rule r = new ColumnMapKeyPrune("ColumnMapKeyPrune");
            Set<Rule> s = new HashSet<Rule>();
            s.add(r);           
            ls.add(s);
           
            r = new AddForEach("AddForEach");
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