Github user kiszk commented on a diff in the pull request:
https://github.com/apache/spark/pull/23190#discussion_r238123212
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/joins/HashedRelation.scala
---
@@ -24,7 +24,8 @@ import
GitHub user heary-cao opened a pull request:
https://github.com/apache/spark/pull/23190
[MINOR][SQL]throw SparkOutOfMemoryError intead of SparkException in
UnsafeHashedRelation
## What changes were proposed in this pull request?
When build hash Map with one row of data and
