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

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

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        assertEquals(plan.getSuccessors(load1).get(0), filter);
        assertEquals(plan.getSuccessors(filter).get(0), join);
        assertEquals(plan.getSuccessors(join).get(0), store);
       
        // run merge filter rule
        r = new MergeFilter("MergeFilter");
        s = new HashSet<Rule>();
        s.add(r);
        ls = new ArrayList<Set<Rule>>();
        ls.add(s);
        optimizer = new MyPlanOptimizer(plan, ls, 3);
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        assertEquals(plan.getSuccessors(next).get(0), join);
       
        assertEquals(plan.getSuccessors(join).get(0), store);
       
        // run merge filter rule
        r = new MergeFilter("MergeFilter");
        s = new HashSet<Rule>();
        s.add(r);
        ls = new ArrayList<Set<Rule>>();
        ls.add(s);
        optimizer = new MyPlanOptimizer(plan, ls, 3);
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        assertEquals(transformed.size(), 4);
        assertEquals(transformed.getSinks().get(0).getClass(), LOFilter.class);
        assertEquals(transformed.getSources().get(0).getClass(), LOLoad.class);
       
        // run merge filter rule
        r = new MergeFilter("MergeFilter");
        s = new HashSet<Rule>();
        s.add(r);
        ls = new ArrayList<Set<Rule>>();
        ls.add(s);
        optimizer = new MyPlanOptimizer(plan, ls, 3);
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        next = plan.getSuccessors(next).get(0);
        assertEquals(next.getClass(), LOStore.class);
       
        // run merge filter rule
        r = new MergeFilter("MergeFilter");
        s = new HashSet<Rule>();
        s.add(r);
        ls = new ArrayList<Set<Rule>>();
        ls.add(s);
        optimizer = new MyPlanOptimizer(plan, ls, 3);
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        // Merge Set
        // This Set merges operators but does not move them.
        s = new HashSet<Rule>();
        ls.add(s);
        // add merge filter rule
        r = new MergeFilter("MergeFilter");       
        s.add(r);     
       
       
        // Prune Set Marker
        // This set is used for pruning columns and maps
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Related Classes of org.apache.pig.experimental.logical.rules.MergeFilter

  • org.apache.pig.experimental.logical.expression.AndExpression
  • org.apache.pig.experimental.logical.expression.LogicalExpressionPlan
  • org.apache.pig.experimental.logical.optimizer.LogicalPlanOptimizer
  • org.apache.pig.experimental.logical.relational.LOFilter
  • org.apache.pig.experimental.logical.relational.LogicalPlan
  • org.apache.pig.experimental.logical.relational.LogicalRelationalOperator
  • org.apache.pig.experimental.plan.Operator
  • org.apache.pig.experimental.plan.OperatorSubPlan
  • org.apache.pig.test.TestExperimentalFilterRule
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