cloud-fan commented on a change in pull request #33650:
URL: https://github.com/apache/spark/pull/33650#discussion_r691896445
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/v2/FileScanBuilder.scala
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@@ -57,6 +64,27 @@ abstract class FileScanBuilder(
StructType(fields)
}
+ def pushFilters(partitionFilters: Seq[Expression], dataFilters:
Seq[Expression]): Unit = {
Review comment:
let's add some comments to explain the motivation: `source.Filter` can't
cover all the expressions, and we need this hack to avoid perf regression in
file source v2.
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