advancedxy commented on a change in pull request #25863:
[WIP][SPARK-29037][CORE][SQL] For static partition overwrite, spark may give
duplicate result.
URL: https://github.com/apache/spark/pull/25863#discussion_r327993762
##########
File path: sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
##########
@@ -3192,6 +3193,69 @@ class SQLQuerySuite extends QueryTest with
SharedSparkSession {
checkAnswer(df3, Array(Row(new
java.math.BigDecimal("0.100000000000000000000000100"))))
}
}
+
+ test("SPARK-29037: For static partition overwrite, spark may give duplicate
result.") {
Review comment:
Once we are happy with the current approach, we may also port my concurrent
write test case from https://github.com/apache/spark/pull/25739
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