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Correct the code comment in Compaction::KeyNotExistsBeyondOutputLevel (#4902) 

Summary:
Even one key falls in a file's range, we can not infer it definitely exists in this file.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/4902

Differential Revision: D13795018

Pulled By: siying

fbshipit-source-id: 590956f727e9440fcdee55ad9541ace934c64914
This commit is contained in:
PeifengSi 2019-01-23 17:58:14 -08:00 committed by Facebook Github Bot
parent d94aa2f7db
commit 43defe9872
1 changed files with 2 additions and 2 deletions
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4
db/compaction.cc
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@ -373,8 +373,8 @@ bool Compaction::KeyNotExistsBeyondOutputLevel(
if (user_cmp->Compare(user_key, f->largest.user_key()) <= 0) {
// We've advanced far enough
if (user_cmp->Compare(user_key, f->smallest.user_key()) >= 0) {
// Key falls in this file's range, so definitely
// exists beyond output level
// Key falls in this file's range, so it may
// exist beyond output level
return false;
}
break;