diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/leveldb/write_batch.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/leveldb/write_batch.h b/include/leveldb/write_batch.h index b6d72cb..9386ace 100644 --- a/include/leveldb/write_batch.h +++ b/include/leveldb/write_batch.h @@ -54,6 +54,13 @@ class LEVELDB_EXPORT WriteBatch { // releases. It is intended for LevelDB usage metrics. size_t ApproximateSize(); + // Copies the operations in "source" to this batch. + // + // This runs in O(source size) time. However, the constant factor is better + // than calling Iterate() over the source batch with a Handler that replicates + // the operations into this batch. + void Append(const WriteBatch& source); + // Support for iterating over the contents of a batch. class Handler { public: |