Maciej Bryński created SPARK-16371:
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Summary: IS NOT NULL clause gives false for nested column
Key: SPARK-16371
URL: https://issues.apache.org/jira/browse/SPARK-16371
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 2.0.0
Reporter: Maciej Bryński
Priority: Critical
I have df where column1 is struct type and there is 1M rows.
(sample data from https://issues.apache.org/jira/browse/SPARK-16320)
{code}
df.where("column1 is not null").count()
{code}
gives:
1M in Spark 1.6
*0* in Spark 2.0
Is there a change in IS NOT NULL behaviour in Spark 2.0 ?
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