Package org.apache.pig.impl.plan

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

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        ProjectionMap loadaProjectionMap = loada.getProjectionMap();
        assertTrue(loadaProjectionMap.changes() == false);
       
        LOLoad loadb = (LOLoad) lp.getRoots().get(1);
        ProjectionMap loadbProjectionMap = loadb.getProjectionMap();
        assertTrue(loadbProjectionMap.changes() == false);
       
        //check union projection map
        LOUnion union = (LOUnion)lp.getSuccessors(loada).get(0);
        ProjectionMap unionProjectionMap = union.getProjectionMap();
        assertTrue(unionProjectionMap == null);
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        LogicalPlan lp = planTester.buildPlan(query);

        //check that the loads' projection map is null
        LOLoad loada = (LOLoad) lp.getRoots().get(0);
        ProjectionMap loadaProjectionMap = loada.getProjectionMap();
        assertTrue(loadaProjectionMap.changes() == false);
       
        LOLoad loadb = (LOLoad) lp.getRoots().get(1);
        ProjectionMap loadbProjectionMap = loadb.getProjectionMap();
        assertTrue(loadbProjectionMap.changes() == false);
       
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        ProjectionMap loadaProjectionMap = loada.getProjectionMap();
        assertTrue(loadaProjectionMap.changes() == false);
       
        LOLoad loadb = (LOLoad) lp.getRoots().get(1);
        ProjectionMap loadbProjectionMap = loadb.getProjectionMap();
        assertTrue(loadbProjectionMap.changes() == false);
       
        //check frjoin projection map
        LOJoin frjoin = (LOJoin)lp.getSuccessors(loada).get(0);
        ProjectionMap frjoinProjectionMap = frjoin.getProjectionMap();
        assertTrue(frjoinProjectionMap == null);
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        LogicalPlan lp = planTester.buildPlan(query);

        //check that the loads' projection map is null
        LOLoad loada = (LOLoad) lp.getRoots().get(0);
        ProjectionMap loadaProjectionMap = loada.getProjectionMap();
        assertTrue(loadaProjectionMap.changes() == false);
       
        LOLoad loadb = (LOLoad) lp.getRoots().get(1);
        ProjectionMap loadbProjectionMap = loadb.getProjectionMap();
        assertTrue(loadbProjectionMap.changes() == false);
       
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        ProjectionMap loadaProjectionMap = loada.getProjectionMap();
        assertTrue(loadaProjectionMap.changes() == false);
       
        LOLoad loadb = (LOLoad) lp.getRoots().get(1);
        ProjectionMap loadbProjectionMap = loadb.getProjectionMap();
        assertTrue(loadbProjectionMap.changes() == false);
       
        //check join projection map
        LOJoin join = (LOJoin)lp.getSuccessors(loada).get(0);
        ProjectionMap joinProjectionMap = join.getProjectionMap();
        assertTrue(joinProjectionMap == null);
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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 is not null
        LOFilter filter = (LOFilter)lp.getLeaves().get(0);
        ProjectionMap filterProjectionMap = filter.getProjectionMap();
        assertTrue(filterProjectionMap != null);
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        //check that the filter projection map is not null
        LOFilter filter = (LOFilter)lp.getLeaves().get(0);
        ProjectionMap filterProjectionMap = filter.getProjectionMap();
        assertTrue(filterProjectionMap != null);
        assertTrue(filterProjectionMap.changes() == false);
    }
   
    @Test
    public void testQuerySplitWithSchema() {
        planTester.buildPlan("a = load 'a' as (url, hitCount);");
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        LogicalPlan lp = planTester.buildPlan("split a into b if url == '3', c if hitCount == '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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