When Im trying return bag of tuples
@outputSchema("bag:{t:tuple(domain:chararray, spam:int, size:long,
time:float)}") .... after apply it on line in pig -> it returns bytearray,
whats wrong with that?I supposed when i return bag with tuple then apply flatten($0) on it i will be possible access tuple fields. 2011/4/24 pob <[email protected]> > 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. >> > >
