public void WriteLevel0Table(MemTable memTable, Version currentVersion, VersionEdit edit)
{
var stopwatch = Stopwatch.StartNew();
var fileNumber = state.VersionSet.NewFileNumber();
pendingOutputs.Add(fileNumber);
var fileMetadata = state.BuildTable(memTable, fileNumber);
pendingOutputs.Remove(fileNumber);
// Note that if file_size is zero, the file has been deleted and
// should not be added to the manifest.
int level = 0;
if (fileMetadata.FileSize > 0)
{
var minUserKey = fileMetadata.SmallestKey.UserKey;
var maxUserKey = fileMetadata.LargestKey.UserKey;
if (currentVersion != null)
{
level = currentVersion.PickLevelForMemTableOutput(minUserKey, maxUserKey);
}
edit.AddFile(level, fileMetadata);
}
state.CompactionStats[level].Add(new CompactionStats
{
Milliseconds = stopwatch.ElapsedMilliseconds,
BytesRead = 0,
BytesWritten = fileMetadata.FileSize
});
}