dbtsai commented on a change in pull request #27728:
[SPARK-25556][SPARK-17636][SPARK-31026][SPARK-31060][SQL][test-hive1.2] Nested
Column Predicate Pushdown for Parquet
URL: https://github.com/apache/spark/pull/27728#discussion_r398280601
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetTest.scala
##########
@@ -62,13 +62,21 @@ private[sql] trait ParquetTest extends
FileBasedDataSourceTest {
(data: Seq[T])
(f: String => Unit): Unit = withDataSourceFile(data)(f)
+ protected def toDF[T <: Product: ClassTag: TypeTag](data: Seq[T]): DataFrame
= {
Review comment:
I was thinking to do so, but surprisingly, overloading
```scala
protected def withParquetDataFrame[T <: Product: ClassTag: TypeTag]
(data: Seq[T], testVectorized: Boolean = true)
(f: DataFrame => Unit): Unit
```
and
```scala
protected def withParquetDataFrame(df: DataFrame, testVectorized: Boolean =
true)
(f: DataFrame => Unit): Unit
```
is not allowed in Scala.
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