I found out the problem. Grouping by a constant column value is indeed
impossible.
The reason it was working in my project is that I gave the constant
column an alias that exists in the schema of the dataframe. The dataframe
contained a data_timestamp representing an hour, and I added to the
Hi,
Facing a bug with group by in SparkSQL (version 1.4).
Registered a JavaRDD with object containing integer fields as a table.
Then I'm trying to do a group by, with a constant value in the group by
fields:
SELECT primary_one, primary_two, 10 as num, SUM(measure) as total_measures
FROM tbl
