dongjoon-hyun commented on a change in pull request #28761:
URL: https://github.com/apache/spark/pull/28761#discussion_r466706196
##########
File path:
sql/core/v1.2/src/main/scala/org/apache/spark/sql/execution/datasources/orc/OrcFilters.scala
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@@ -231,37 +229,37 @@ private[sql] object OrcFilters extends OrcFiltersBase {
// Since ORC 1.5.0 (ORC-323), we need to quote for column names with `.`
characters
// in order to distinguish predicate pushdown for nested columns.
Review comment:
Since we removed `quoteIfNeeded` in this file completely, I believe we
can remove this old comment (231~232) together in both files v1.2(here) and
v2.3.
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