Ok,
bag is suppose to be collection of tuples... then how can I return from UDF
@outputSchema("key:int, y:bag{t:tuple(len:int,word:chararray)}")
?
Thanks
2011/4/24 pob <[email protected]>
> Hello,
>
> is it possible to return a bag from UDF?
>
>
> When I def. my python UDF like this... it simply doesnt work....
>
> @outputSchema("y:bag{key:int, t:tuple(len:int,word:chararray)}")
> def toTuple(bag):
>
>
>
> 2011-04-24 16:06:08,794 [main] ERROR org.apache.pig.tools.grunt.Grunt -
> ERROR 2998: Unhandled internal error. Error parsing schema for script
> function from the decorator
> org.apache.pig.impl.logicalLayer.parser.ParseException: Encountered " "bag"
> "bag "" at line 1, column 3.
> Was expecting one of:
> "int" ...
> "long" ...
> "float" ...
> "double" ...
> "chararray" ...
> "bytearray" ...
> "int" ...
> "long" ...
> "float" ...
> "double" ...
> "chararray" ...
> "bytearray" ...
>
>
>
> Thanks.
>
