HyukjinKwon commented on a change in pull request #31002:
URL: https://github.com/apache/spark/pull/31002#discussion_r551143994
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File path:
sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/orc/OrcSourceSuite.scala
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@@ -594,4 +594,12 @@ class OrcSourceSuite extends OrcSuite with
SharedSparkSession {
val df =
readResourceOrcFile("test-data/TestStringDictionary.testRowIndex.orc")
assert(df.where("str < 'row 001000'").count() === 1000)
}
+
+ test("SPARK-33978: Write and read a file with ZSTD compression") {
+ withTempPath { dir =>
+ val path = dir.getAbsolutePath
+ spark.range(3).write.option("compression", "zstd").orc(path)
+ checkAnswer(spark.read.orc(path), Seq(Row(0), Row(1), Row(2)))
Review comment:
Should we maybe check the explicit compression type? I know one test:
https://github.com/apache/spark/blob/3a299aa6480ac22501512cd0310d31a441d7dfdc/sql/hive/src/test/scala/org/apache/spark/sql/hive/orc/OrcHadoopFsRelationSuite.scala#L85-L108
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