maropu commented on a change in pull request #27993: [SPARK-30996][Core] invaild parquet map key type URL: https://github.com/apache/spark/pull/27993#discussion_r397816937
########## File path: sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetFileFormatSuite.scala ########## @@ -56,4 +55,22 @@ class ParquetFileFormatSuite extends QueryTest with ParquetTest with SharedSpark }.getCause assert(exception.getMessage().contains("Could not read footer for file")) } + + test("read parquet map invaild key type") { + withTempDir { dir => + val spark_session = spark + import spark_session.implicits._ + val df = Seq(Map(Map(1 -> 1) -> 1L)).toDF("map") + val exception = intercept[AnalysisException] { + df.write.mode("overwrite").parquet(dir.getPath) + } + assert(exception.getMessage().contains("Parquet data source does not support")) Review comment: btw, to make reviwers understood easily, you had better clearly write the PR description, what's an issue, example queries to reproduce the issue, and how-to-fix. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org