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default implementation for InRange

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Summary:
it's confusing to implementors of prefix extractor to implement an unused function
Closes https://github.com/facebook/rocksdb/pull/2460

Differential Revision: D5267408

Pulled By: ajkr

fbshipit-source-id: 2f1fe3131efc978f6098ae7a80e52bc7a0b13571
This commit is contained in:
Andrew Kryczka 2017-06-18 12:40:21 -07:00 committed by Facebook Github Bot
parent cbd825deea
commit 0d278456c9
1 changed files with 1 additions and 1 deletions
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2
include/rocksdb/slice_transform.h
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@ -58,7 +58,7 @@ class SliceTransform {
virtual bool InDomain(const Slice& key) const = 0;
// This is currently not used and remains here for backward compatibility.
virtual bool InRange(const Slice& dst) const = 0;
virtual bool InRange(const Slice& dst) const { return false; }
// Transform(s)=Transform(`prefix`) for any s with `prefix` as a prefix.
//