Github user wangyum commented on a diff in the pull request: https://github.com/apache/spark/pull/21682#discussion_r199992316 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetFilters.scala --- @@ -93,6 +101,10 @@ private[parquet] class ParquetFilters(pushDownDate: Boolean, pushDownStartWith: } private val makeLt: PartialFunction[DataType, (String, Any) => FilterPredicate] = { + case ByteType | ShortType => + (n: String, v: Any) => FilterApi.lt( + intColumn(n), + v.asInstanceOf[Number].intValue.asInstanceOf[Integer]) --- End diff -- value cannot be `null`.
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