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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