Package org.apache.pig.builtin

Examples of org.apache.pig.builtin.BagToString.outputSchema()

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    Schema inputSch = new Schema();

    BagToString udf = new BagToString();
    Schema outputSchema = udf.outputSchema(inputSch);

    assertEquals("schema of BagToTuple input", outputSchema.getField(0).type,
        DataType.CHARARRAY);

  }
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    Schema inputSch = new Schema();
    inputSch.add(bagSch);
    inputSch.add(new FieldSchema(null, DataType.CHARARRAY));

    BagToString udf = new BagToString();
    Schema outputSchema = udf.outputSchema(inputSch);

    assertEquals("schema of BagToTuple input", outputSchema.getField(0).type,
        DataType.CHARARRAY);

  }
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    Schema inputSch = new Schema();
    inputSch.add(bagSch);

    BagToString udf = new BagToString();
    Schema outputSchema = udf.outputSchema(inputSch);

    assertEquals("schema of BagToTuple input", outputSchema.getField(0).type,
        DataType.CHARARRAY);

  }
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    inputSch.add(bagSch);
    inputSch.add(new FieldSchema(null, DataType.DOUBLE));

    BagToString udf = new BagToString();
    // expecting an exception because the delimiter is not of type Data.CHARARRAY
    udf.outputSchema(inputSch);
  }

  @Test
  public void testPigScriptForBagToTupleUDF() throws Exception {
    PigServer pigServer = new PigServer(ExecType.LOCAL);
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