Examples of ColumnMapKeyPrune

org.apache.pig.experimental.logical.rules.ColumnMapKeyPrune
This Rule prunes columns and map keys and set to loader. This rule depends on MapKeysPruneHelper to calculate what keys are required for a loader, and ColumnPruneHelper to calculate the required columns for a loader. Then it combines the map keys and columns info to set into the loader.
org.apache.pig.newplan.logical.rules.ColumnMapKeyPrune
This Rule prunes columns and map keys and set to loader. This rule depends on MapKeysPruneHelper to calculate what keys are required for a loader, and ColumnPruneHelper to calculate the required columns for a loader. Then it combines the map keys and columns info to set into the loader.

Examples of org.apache.pig.newplan.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.newplan.logical.relational.LogicalPlan)newPlan);
            
            // Run the optimizer

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