Xiao Li created SPARK-19658:
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Summary: Set NumPartitions of RepartitionByExpression In Analyzer
Key: SPARK-19658
URL: https://issues.apache.org/jira/browse/SPARK-19658
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 2.1.0
Reporter: Xiao Li
Assignee: Xiao Li
Currently, if {{NumPartitions}} is not set, we will set it using
`spark.sql.shuffle.partitions` in Planner. However, this is not following
general resolution process. We should do it in Analyzer and then Optimizer can
use the value for optimization.
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