Github user wangyum commented on a diff in the pull request:
https://github.com/apache/spark/pull/21556#discussion_r201927646
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetFilters.scala
---
@@ -202,6 +283,16 @@ private[parquet] class ParquetFilters(pushDownDate:
Boolean, pushDownStartWith:
case ParquetDateType if pushDownDate =>
(n: String, v: Any) =>
FilterApi.gtEq(intColumn(n),
dateToDays(v.asInstanceOf[Date]).asInstanceOf[Integer])
+
+ case ParquetSchemaType(DECIMAL, INT32, 0, _) if pushDownDecimal =>
--- End diff --
In fact, the length is always 0, I replaced it to `_`.
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