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Fix get approx size

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Summary:
Fixing GetApproximateSize bug for the case of computing stats for mem tables only.
Closes https://github.com/facebook/rocksdb/pull/1795

Differential Revision: D4445507

Pulled By: IslamAbdelRahman

fbshipit-source-id: 3905846
This commit is contained in:
Vitaliy Liptchinsky 2017-01-20 15:51:21 -08:00 committed by Facebook Github Bot
parent d7ea44f2f9
commit 753ff84a3d
1 changed files with 2 additions and 1 deletions
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3
db/db_impl.cc
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@ -5596,8 +5596,9 @@ void DBImpl::GetApproximateSizes(ColumnFamilyHandle* column_family,
// Convert user_key into a corresponding internal key.
InternalKey k1(range[i].start, kMaxSequenceNumber, kValueTypeForSeek);
InternalKey k2(range[i].limit, kMaxSequenceNumber, kValueTypeForSeek);
sizes[i] = 0;
if (include_flags & DB::SizeApproximationFlags::INCLUDE_FILES) {
sizes[i] = versions_->ApproximateSize(v, k1.Encode(), k2.Encode());
sizes[i] += versions_->ApproximateSize(v, k1.Encode(), k2.Encode());
}
if (include_flags & DB::SizeApproximationFlags::INCLUDE_MEMTABLES) {
sizes[i] += sv->mem->ApproximateSize(k1.Encode(), k2.Encode());