Jorge Machado created SPARK-24401:
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Summary: Aggreate on Decimal Types does not work
Key: SPARK-24401
URL: https://issues.apache.org/jira/browse/SPARK-24401
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 2.3.0, 2.2.0
Reporter: Jorge Machado
Attachments: testDF.parquet
Hi,
I think I found a really ugly bug in spark when performing aggregations with
Decimals
To reproduce:
{code:java}
val df = spark.read.parquet("attached file")
val first_agg = fact_df.groupBy("id1", "id2",
"start_date").agg(mean("projection_factor").alias("projection_factor"))
first_agg.show
val second_agg =
first_agg.groupBy("id1","id2").agg(max("projection_factor").alias("maxf"),
min("projection_factor").alias("minf"))
second_agg.show
{code}
First aggregation works fine the second aggregation seems to be summing instead
of max value. I tried with spark 2.2.0 and 2.3.0 same problem.
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