Github user chenghao-intel commented on a diff in the pull request:
https://github.com/apache/spark/pull/4562#discussion_r24793692
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/parquet/newParquet.scala ---
@@ -630,11 +635,12 @@ object ParquetRelation2 {
sqlContext.conf.isParquetBinaryAsString,
sqlContext.conf.isParquetINT96AsTimestamp))
}
- }.reduce { (left, right) =>
- try left.merge(right) catch { case e: Throwable =>
- throw new SparkException(s"Failed to merge incompatible schemas
$left and $right", e)
- }
- }
+ }.foldLeft[StructType](null) {
--- End diff --
Yeah, I was trying that also, but seems using `null` is more simple, as
`Option` requires some more value extracting code.
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