Hello,
I am new to scalding and scala.
Based on a scanLeft example, I wrote some code that looks like
.insert('tempfield,0.0)
.groupBy('field1,'field2)
{group => group.sortBy('field3)
.scanLeft(('field4,'field5','temp) -> ('Copyfield4,
'Copyfield5,'desiredfield))
.... More code
}
The code does what I want, but I am wondering if it is possible to do away
with the Copies of field 4 and field 5 as well as the temp field. and have
something that looks like
.groupBy('field1,'field2)
{group => group.sortBy('field3)
.scanLeft(('field4,'field5') -> ('desiredfield))
.... More code
}
Would this be possible? Any pointers would be much appreciated. Is it a
matter of providing an implicit converter for the outField, if so how and
where can I specify that?
Thank you
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