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https://issues.apache.org/jira/browse/SPARK-25951?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ohad Raviv updated SPARK-25951:
---
Description:
we've noticed that sometimes a column rename causes extra shuffle:
{code:java}
val N =
[
https://issues.apache.org/jira/browse/SPARK-25951?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Ohad Raviv updated SPARK-25951:
---
Description:
we've noticed that sometimes a column rename causes extra shuffle:
{code}
val N = 1 <<
