expr)
Yu Wenpei.
From: Kevin Mellott <kevin.r.mell...@gmail.com>
To: Wen Pei Yu <yuw...@cn.ibm.com>
Cc: user <user@spark.apache.org>
Date: 03/24/2017 09:48 AM
Subject:Re: Aggregated column name
I'm not sure of the answer to your question; however, when
I'm not sure of the answer to your question; however, when performing
aggregates I find it useful to specify an *alias* for each column. That
will give you explicit control over the name of the resulting column.
In your example, that would look something like:
Hi All
I found some spark version(spark 1.4) return upper case aggregated column, and some return low case.
As below code,
df.groupby(col("...")).agg(count("number"))
may return
COUNT(number) -- spark 1,4
count(number) - spark 1.6
Anyone know if there is configure parameter for
