gengliangwang commented on a change in pull request #24318: [SPARK-27407][SQL]
File source V2: Invalidate cache data on overwrite/append
URL: https://github.com/apache/spark/pull/24318#discussion_r273309208
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/FileBasedDataSourceSuite.scala
##########
@@ -494,6 +494,38 @@ class FileBasedDataSourceSuite extends QueryTest with
SharedSQLContext with Befo
}
}
+ test("Do not use cache on overwrite") {
+ Seq("", "orc").foreach { useV1SourceReaderList =>
+ withSQLConf(SQLConf.USE_V1_SOURCE_READER_LIST.key ->
useV1SourceReaderList) {
+ withTempDir { dir =>
+ val path = dir.toString
+ spark.range(1000).write.mode("overwrite").orc(path)
Review comment:
@dongjoon-hyun The cache invalidation is for all file sources. Testing ORC
here is quite sufficient, just like only Parquet is tested in #13566.
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