Support max_compaction_bytes (#100)

librocksdb_sys/src/lib.rs

@@ -308,6 +308,7 @@ extern "C" {
     pub fn crocksdb_options_set_max_bytes_for_level_base(options: *mut DBOptions, bytes: u64);
     pub fn crocksdb_options_set_max_bytes_for_level_multiplier(options: *mut DBOptions,
                                                                mul: c_int);
+    pub fn crocksdb_options_set_max_compaction_bytes(options: *mut DBOptions, bytes: uint64_t);
     pub fn crocksdb_options_set_max_log_file_size(options: *mut DBOptions, bytes: size_t);
     pub fn crocksdb_options_set_log_file_time_to_roll(options: *mut DBOptions, bytes: size_t);
     pub fn crocksdb_options_set_info_log_level(options: *mut DBOptions, level: DBInfoLogLevel);

src/main.rs

@@ -158,6 +158,7 @@ mod tests {
         blockopts.set_bloom_filter(10, false);
         opts.set_block_based_table_factory(blockopts);
         opts.set_disable_auto_compactions(true);
+        opts.set_max_compaction_bytes(1073741824 * 25);
 
         // let filter = new_bloom_filter(10);
         // opts.set_filter(filter);

src/rocksdb_options.rs

@@ -559,6 +559,12 @@ impl Options {
         }
     }
 
+    pub fn set_max_compaction_bytes(&mut self, bytes: u64) {
+        unsafe {
+            crocksdb_ffi::crocksdb_options_set_max_compaction_bytes(self.inner, bytes);
+        }
+    }
+
     pub fn set_level_compaction_dynamic_level_bytes(&mut self, v: bool) {
         unsafe {
             crocksdb_ffi::crocksdb_options_set_level_compaction_dynamic_level_bytes(self.inner, v);