Github user wangyum commented on a diff in the pull request:
https://github.com/apache/spark/pull/21556#discussion_r195283330
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetFilters.scala
---
@@ -62,6 +62,16 @@ private[parquet] class ParquetFilters(pushDownDate:
Boolean) {
(n: String, v: Any) => FilterApi.eq(
intColumn(n),
Option(v).map(date =>
dateToDays(date.asInstanceOf[Date]).asInstanceOf[Integer]).orNull)
+ case decimal: DecimalType if DecimalType.is32BitDecimalType(decimal) =>
+ (n: String, v: Any) => FilterApi.eq(
+ intColumn(n),
+
Option(v).map(_.asInstanceOf[java.math.BigDecimal].unscaledValue().intValue()
--- End diff --
REF:
https://github.com/apache/spark/blob/21a7bfd5c324e6c82152229f1394f26afeae771c/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetWriteSupport.scala#L219
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