Github user wangyum commented on a diff in the pull request: https://github.com/apache/spark/pull/21556#discussion_r200170975 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetFilters.scala --- @@ -82,6 +120,30 @@ private[parquet] class ParquetFilters(pushDownDate: Boolean, pushDownStartWith: (n: String, v: Any) => FilterApi.eq( intColumn(n), Option(v).map(date => dateToDays(date.asInstanceOf[Date]).asInstanceOf[Integer]).orNull) + + case ParquetSchemaType(DECIMAL, INT32, decimal) if pushDownDecimal => --- End diff -- DecimalType contains variable: `decimalMetadata`. It seems difficult to make a constants like before.
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