Method test1

test/org/apache/pig/test/TestFetch.java:101–132

()

    }

    @Test
    public void test1() throws Exception {
        String query =
            "A = load '"+Util.encodeEscape(inputFile1.getAbsolutePath()) +"' " +
                 "using PigStorage(' ') as (a:int, b: " +
                   "{t:(t1:int,t2:int,t3:int,t4:int,c:chararray)});" +
            "C = foreach A {" +
            "  temp1 = foreach b generate t1*100 as (key:int), ((t2+t3)*10) as (r:int);" +
            "  temp2 = filter temp1 by key < 400;" +
            "  temp3 = limit temp2 3;" +
            "  temp4 = foreach temp3 generate key-r as (id:int);" +
            "  temp5 = limit temp4 4;" +
            "  temp6 = filter temp5 by id < 100;" +
            "  generate flatten(temp6) as (id:int), a;" +
            "};" +
            "D = foreach C generate (" +
            "  case id % 4" +
            "    when 0 then true" +
            "    else false" +
            "  end" +
            ") as (check:boolean);";

        LogicalPlan lp = ParserTestingUtils.generateLogicalPlan(query);

        PhysicalPlan pp = ((HExecutionEngine) pigServer.getPigContext().getExecutionEngine())
                .compile(lp, null);

        boolean planFetchable = FetchOptimizer.isPlanFetchable(pigServer.getPigContext(), pp);
        //plan is not fetchable since limit is not pushed up to the loader
        assertFalse(planFetchable);

    }

    @Test
    public void test2() throws Exception {