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return early if streams is empty

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This commit is contained in:
Xiaoxi Wang 2022-12-15 12:56:49 -08:00
parent 2024237e5d
commit 070894a597
1 changed files with 4 additions and 0 deletions

4
fdbclient/BlobGranuleFiles.cpp

@ -1338,6 +1338,10 @@ static RangeResult mergeDeltaStreams(const BlobGranuleChunkRef& chunk,
ASSERT(streams.size() < std::numeric_limits<int16_t>::max());
ASSERT(startClears.size() == streams.size());
if (streams.empty()) {
return RangeResult{};
}
int prefixLen = commonPrefixLength(chunk.keyRange.begin, chunk.keyRange.end);
// next element for each stream