int LMDBEngine::CommitBatchWrite()
{
BatchHolder& holder = m_batch_local.GetValue();
holder.ReleaseRef();
if (holder.EmptyRef())
{
return FlushWriteBatch(holder);
}
return 0;
}
int LevelDBEngine::CommitBatchWrite()
{
ContextHolder& holder = m_context.GetValue();
holder.ReleaseRef();
if (holder.EmptyRef())
{
return FlushWriteBatch(holder);
}
return 0;
}
int LevelDBEngine::Del(const Slice& key)
{
leveldb::Status s = leveldb::Status::OK();
ContextHolder& holder = m_context.GetValue();
if (!holder.EmptyRef())
{
holder.Del(key);
if (holder.count >= (uint32) m_cfg.batch_commit_watermark)
{
FlushWriteBatch(holder);
}
}
else
{
s = m_db->Delete(leveldb::WriteOptions(), LEVELDB_SLICE(key));
}
return s.ok() ? 0 : -1;
}
int LevelDBEngine::Put(const Slice& key, const Slice& value)
{
leveldb::Status s = leveldb::Status::OK();
ContextHolder& holder = m_context.GetValue();
int ret = 0;
if (!holder.EmptyRef())
{
holder.Put(key, value);
if (holder.count >= (uint32) m_cfg.batch_commit_watermark)
{
FlushWriteBatch(holder);
}
}
else
{
s = m_db->Put(leveldb::WriteOptions(), LEVELDB_SLICE(key), LEVELDB_SLICE(value));
if (!s.ok())
{
WARN_LOG("Failed to write data for reason:%s", s.ToString().c_str());
ret = -1;
}
}
return ret;
}
