Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/20915#discussion_r192953858
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/FileSourceStrategy.scala
---
@@ -79,6 +158,13 @@ object FileSourceStrategy extends Strategy with Logging
{
ExpressionSet(normalizedFilters.filter(_.references.subsetOf(partitionSet)))
logInfo(s"Pruning directories with:
${partitionKeyFilters.mkString(",")}")
+ val bucketSpec: Option[BucketSpec] = fsRelation.bucketSpec
+ val bucketSet = if (shouldPruneBuckets(bucketSpec)) {
+ getBuckets(normalizedFilters, bucketSpec.get)
--- End diff --
nit: maybe better to call it `genBucketSet` instead of `getBuckets`
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