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grouping a relation in pig

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Expert Contributor

Hi everyone, I'm trying to perform a grouping for a relation with the scheme below:

15913-pigscheme.png

I have created a the group all for whole relation as:

total_station_trips_all = GROUP october ALL;

Finally I'm trying to get the counting for the column s_station from the scheme october like

15914-pigscheme.png

Unfortunatelly I'm getting this error:

15915-pigscheme.png

Please guys give me a light about this error i will appreciate so much.

Thanks so much.

AU

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Expert Contributor

thanks , tried and working. I have just to be more careful on my typing. I appriciate.

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Excellent. Truthfully, the case sensitivity is a bit weird in Pig -- kind of like the rules of the English language. Hehe!