Maxim Gekk created SPARK-25927:
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Summary: Fix number of partitions returned by outputPartitioning
Key: SPARK-25927
URL: https://issues.apache.org/jira/browse/SPARK-25927
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 2.4.0
Reporter: Maxim Gekk
Currently default number of partitions returned by the outputPartitioning()
method of SparkPlan is 0 that doesn't reflect to actual number of partitions
for some execution nodes. To return actual number, need to override the
outputPartitioning() method in child nodes and implement it properly.
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