srowen commented on a change in pull request #31593:
URL: https://github.com/apache/spark/pull/31593#discussion_r579255249
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File path: sql/core/src/main/scala/org/apache/spark/sql/DataFrameReader.scala
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@@ -73,8 +73,10 @@ class DataFrameReader private[sql](sparkSession:
SparkSession) extends Logging {
* @since 1.4.0
*/
def schema(schema: StructType): DataFrameReader = {
- val replaced =
CharVarcharUtils.failIfHasCharVarchar(schema).asInstanceOf[StructType]
- this.userSpecifiedSchema = Option(replaced)
+ if (schema != null) {
Review comment:
Seems fine. It'd be OK IMHO to require it to be non-null too.
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