Github user liancheng commented on a diff in the pull request:
https://github.com/apache/spark/pull/10427#discussion_r48272857
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JDBCRelation.scala
---
@@ -90,6 +90,11 @@ private[sql] case class JDBCRelation(
override val schema: StructType = JDBCRDD.resolveTable(url, table,
properties)
+ // Check if JDBCRDD.compileFilter can accept input filters
+ override def unhandledFilters(filters: Array[Filter]): Array[Filter] = {
+ filters.filterNot(JDBCRDD.compileFilter(_) != null)
--- End diff --
Nit: It's a little bit weird to use double-negation here when
`filters.filter(JDBCRDD.compileFilter(_) == null)` is perfectly OK.
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