From 9907b61c574baf0747747f1c512f7cdd88ebed25 Mon Sep 17 00:00:00 2001
From: KunoiSayami <i@leanhe.dev>
Date: Tue, 9 Nov 2021 22:00:01 +0800
Subject: init

---
 table/merger.h | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 table/merger.h

(limited to 'table/merger.h')

diff --git a/table/merger.h b/table/merger.h
new file mode 100644
index 0000000..41cedc5
--- /dev/null
+++ b/table/merger.h
@@ -0,0 +1,26 @@
+// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file. See the AUTHORS file for names of contributors.
+
+#ifndef STORAGE_LEVELDB_TABLE_MERGER_H_
+#define STORAGE_LEVELDB_TABLE_MERGER_H_
+
+namespace leveldb {
+
+class Comparator;
+class Iterator;
+
+// Return an iterator that provided the union of the data in
+// children[0,n-1].  Takes ownership of the child iterators and
+// will delete them when the result iterator is deleted.
+//
+// The result does no duplicate suppression.  I.e., if a particular
+// key is present in K child iterators, it will be yielded K times.
+//
+// REQUIRES: n >= 0
+Iterator* NewMergingIterator(const Comparator* comparator, Iterator** children,
+                             int n);
+
+}  // namespace leveldb
+
+#endif  // STORAGE_LEVELDB_TABLE_MERGER_H_
-- 
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