Package org.apache.pig.impl.plan

Examples of org.apache.pig.impl.plan.ProjectionMap.changes()

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        ProjectionMap splitbProjectionMap = splitb.getProjectionMap();
        assertTrue(splitbProjectionMap.changes() == false);
       
        LOSplitOutput splitc = (LOSplitOutput)lp.getSuccessors(split).get(1);
        ProjectionMap splitcProjectionMap = splitc.getProjectionMap();
        assertTrue(splitcProjectionMap.changes() == false);
    }
   
    @Test
    public void testQueryOrderByWithSchema() {
        planTester.buildPlan("a = load 'a' as (url,hitCount);");
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        LogicalPlan lp = planTester.buildPlan("b = order a by $1;");
       
        //check that the load projection map is null
        LOLoad load = (LOLoad) lp.getRoots().get(0);
        ProjectionMap loadProjectionMap = load.getProjectionMap();
        assertTrue(loadProjectionMap.changes() == false);
       
        //check that the order by projection map is not null
        LOSort sort = (LOSort)lp.getLeaves().get(0);
        ProjectionMap sortProjectionMap = sort.getProjectionMap();
        assertTrue(sortProjectionMap != null);
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        //check that the order by projection map is not null
        LOSort sort = (LOSort)lp.getLeaves().get(0);
        ProjectionMap sortProjectionMap = sort.getProjectionMap();
        assertTrue(sortProjectionMap != null);
        assertTrue(sortProjectionMap.changes() == false);
    }
   
    @Test
    public void testQueryLimitWithSchema() {
        planTester.buildPlan("a = load 'a' as (url,hitCount);");
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        LogicalPlan lp = planTester.buildPlan("c = limit b 10;");
       
        //check that the load projection map is null
        LOLoad load = (LOLoad) lp.getRoots().get(0);
        ProjectionMap loadProjectionMap = load.getProjectionMap();
        assertTrue(loadProjectionMap.changes() == false);
       
        //check that the order by projection map is not null
        LOSort sort = (LOSort)lp.getSuccessors(load).get(0);
        ProjectionMap sortProjectionMap = sort.getProjectionMap();
        assertTrue(sortProjectionMap != null);
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        assertTrue(cogroupAddedFields.get(0) == 1);
       
        //check that the foreach projection map has null mappedFields
        LOForEach foreach = (LOForEach)lp.getLeaves().get(0);
        ProjectionMap foreachProjectionMap = foreach.getProjectionMap();
        assertTrue(foreachProjectionMap.changes() == true);
       
        MultiMap<Integer, ProjectionMap.Column> foreachMapFields = foreachProjectionMap.getMappedFields();
        assertTrue(foreachMapFields != null);
       
        mapValues = (ArrayList<ProjectionMap.Column>)foreachMapFields.get(0);
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        LogicalPlan lp = planTester.buildPlan("b = filter a by $1 == '3';");
       
        //check that the load projection map is null
        LOLoad load = (LOLoad) lp.getRoots().get(0);
        ProjectionMap loadProjectionMap = load.getProjectionMap();
        assertTrue(loadProjectionMap.changes() == false);
       
        //check that the filter projection map has null mappedFields
        LOFilter filter = (LOFilter)lp.getLeaves().get(0);
        ProjectionMap filterProjectionMap = filter.getProjectionMap();
        assertTrue(filterProjectionMap.changes() == false);
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        assertTrue(loadProjectionMap.changes() == false);
       
        //check that the filter projection map has null mappedFields
        LOFilter filter = (LOFilter)lp.getLeaves().get(0);
        ProjectionMap filterProjectionMap = filter.getProjectionMap();
        assertTrue(filterProjectionMap.changes() == false);
    }
   
    @Test
    public void testQuerySplitNoSchema() {
        planTester.buildPlan("a = load 'a';");
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        LogicalPlan lp = planTester.buildPlan("split a into b if $0 == '3', c if $1 == '3';");
       
        //check that the load projection map is null
        LOLoad load = (LOLoad) lp.getRoots().get(0);
        ProjectionMap loadProjectionMap = load.getProjectionMap();
        assertTrue(loadProjectionMap.changes() == false);
       
        //check that the split projection map has null mappedFields
        LOSplit split = (LOSplit)lp.getSuccessors(load).get(0);
        ProjectionMap splitProjectionMap = split.getProjectionMap();
        assertTrue(splitProjectionMap.changes() == false);
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        assertTrue(loadProjectionMap.changes() == false);
       
        //check that the split projection map has null mappedFields
        LOSplit split = (LOSplit)lp.getSuccessors(load).get(0);
        ProjectionMap splitProjectionMap = split.getProjectionMap();
        assertTrue(splitProjectionMap.changes() == false);
       
        LOSplitOutput splitb = (LOSplitOutput)lp.getSuccessors(split).get(0);
        ProjectionMap splitbProjectionMap = splitb.getProjectionMap();
        assertTrue(splitbProjectionMap.changes() == false);
       
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        ProjectionMap splitProjectionMap = split.getProjectionMap();
        assertTrue(splitProjectionMap.changes() == false);
       
        LOSplitOutput splitb = (LOSplitOutput)lp.getSuccessors(split).get(0);
        ProjectionMap splitbProjectionMap = splitb.getProjectionMap();
        assertTrue(splitbProjectionMap.changes() == false);
       
        LOSplitOutput splitc = (LOSplitOutput)lp.getSuccessors(split).get(1);
        ProjectionMap splitcProjectionMap = splitc.getProjectionMap();
        assertTrue(splitcProjectionMap.changes() == false);
    }
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