Github user jaceklaskowski commented on a diff in the pull request:
https://github.com/apache/spark/pull/14217#discussion_r71072773
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetIOSuite.scala
---
@@ -169,6 +169,19 @@ class ParquetIOSuite extends QueryTest with
ParquetTest with SharedSQLContext {
}
}
+ test("SPARK-16562 Do not allow downcast in INT32 based types for normal
Parquet reader") {
+ withSQLConf(SQLConf.PARQUET_VECTORIZED_READER_ENABLED.key -> "false") {
+ withTempPath { file =>
+ (1 to
4).map(Tuple1(_)).toDF("a").write.parquet(file.getAbsolutePath)
--- End diff --
Why do you `map(Tuple1(_))`? Why don't `(1 to 4).toDF("a")` instead?
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