Package org.apache.tajo.engine.function.builtin

Examples of org.apache.tajo.engine.function.builtin.AvgLong.eval()

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    }

    AvgLong avg = new AvgLong();
    FunctionContext ctx = avg.newContext();
    for (int i = 1; i <= 5; i++) {
      avg.eval(ctx, tuples[i-1]);
    }

    assertTrue(15 / 5 == avg.terminate(ctx).asFloat8());

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    FunctionContext ctx2 = avg.newContext();
    for (int i = 1; i <= 10; i++) {
      tuples2[i-1] = new VTuple(1);
      tuples2[i-1].put(0, DatumFactory.createInt4(i));
      avg.eval(ctx2, tuples2[i-1]);
    }
    assertTrue((double)55 / 10 == avg.terminate(ctx2).asFloat8());


    avg.merge(ctx, new VTuple(new Datum[] {avg.getPartialResult(ctx2)}));
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