sadikovi commented on a change in pull request #35655:
URL: https://github.com/apache/spark/pull/35655#discussion_r815502277
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File path:
sql/core/src/test/scala/org/apache/spark/sql/sources/TableScanSuite.scala
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@@ -420,4 +434,32 @@ class TableScanSuite extends DataSourceTest with
SharedSparkSession {
val comments =
planned.schema.fields.map(_.getComment().getOrElse("NO_COMMENT")).mkString(",")
assert(comments === "SN,SA,NO_COMMENT")
}
+
+ test("SPARK-38315: control decoding of datetime as Java 8 classes") {
+ val tableName = "relationProviderWithLegacyTimestamps"
+ def scanTable(): Unit = {
+ withTable (tableName) {
+ sql(
+ s"""
+ |CREATE TABLE $tableName (col TIMESTAMP)
+ |USING org.apache.spark.sql.sources.LegacyTimestampSource
+ """.stripMargin)
+ checkAnswer(
+ spark.table(tableName),
+ Row(java.sql.Timestamp.valueOf("2020-01-01 12:34:56")) :: Nil)
+ }
+ }
+
+ withSQLConf(SQLConf.DATETIME_JAVA8API_ENABLED.key -> "true") {
+ val e = intercept[SparkException] {
+ scanTable()
+ }.getCause
+ assert(e.isInstanceOf[java.lang.RuntimeException])
+ assert(e.getMessage.contains("Error while encoding"))
+
+ withSQLConf(SQLConf.LEGACY_DATETIME_ENCODER_ENABLED.key -> "true") {
Review comment:
Could you add a comment explaining that this test case is supposed to
pass and should not throw any exceptions?
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