From ca78e7a37ab664e829f42d83b9a77031adc2ffc6 Mon Sep 17 00:00:00 2001
From: Rui Mo <rui@apache.org>
Date: Tue, 1 Apr 2025 00:25:03 -0700
Subject: [PATCH] refactor: Remove unused SelectiveColumnReaderFactory (#12842)

Summary: Pull Request resolved: https://github.com/facebookincubator/velox/pull/12842

Reviewed By: xiaoxmeng

Differential Revision: D72180145

Pulled By: bikramSingh91

fbshipit-source-id: 1e5c32c0bc227a208e36b7ca14e65b154364c776
---
 bolt/dwio/dwrf/reader/SelectiveDwrfReader.h | 28 ---------------------
 1 file changed, 28 deletions(-)

diff --git a/bolt/dwio/dwrf/reader/SelectiveDwrfReader.h b/bolt/dwio/dwrf/reader/SelectiveDwrfReader.h
index 834bc1654..2f4f2fc4f 100644
--- a/bolt/dwio/dwrf/reader/SelectiveDwrfReader.h
+++ b/bolt/dwio/dwrf/reader/SelectiveDwrfReader.h
@@ -69,32 +69,4 @@ class SelectiveDwrfReader {
   }
 };
 
-class SelectiveColumnReaderFactory : public ColumnReaderFactory {
- public:
-  explicit SelectiveColumnReaderFactory(
-      std::shared_ptr<common::ScanSpec> scanSpec)
-      : scanSpec_(scanSpec) {}
-
-  std::unique_ptr<dwio::common::SelectiveColumnReader> buildSelective(
-      const std::shared_ptr<const dwio::common::TypeWithId>& requestedType,
-      const std::shared_ptr<const dwio::common::TypeWithId>& fileType,
-      StripeStreams& stripe,
-      const StreamLabels& streamLabels,
-      dwio::common::ColumnReaderStatistics& stats,
-      FlatMapContext flatMapContext = {}) {
-    auto params =
-        DwrfParams(stripe, streamLabels, stats, std::move(flatMapContext));
-    auto reader = SelectiveDwrfReader::build(
-        dwio::common::ColumnReaderOptions{},
-        requestedType,
-        fileType,
-        params,
-        *scanSpec_);
-    reader->setIsTopLevel();
-    return reader;
-  }
-
- private:
-  std::shared_ptr<common::ScanSpec> const scanSpec_;
-};
 } // namespace bytedance::bolt::dwrf