Add RestoreDBFromLatestBackup to C API, add new C# package (#7092)

Summary: Pull Request resolved: https://github.com/facebook/rocksdb/pull/7092

Reviewed By: riversand963

Differential Revision: D22412323

Pulled By: ajkr

fbshipit-source-id: 3fc1c63bb19a8cd2c0ae620800c28f199a7f494b

LANGUAGE-BINDINGS.md

@@ -10,7 +10,9 @@ This is the list of all known third-party language bindings for RocksDB. If some
 * Ruby - http://rubygems.org/gems/rocksdb-ruby
 * Haskell - https://hackage.haskell.org/package/rocksdb-haskell
 * PHP - https://github.com/Photonios/rocksdb-php
-* C# - https://github.com/warrenfalk/rocksdb-sharp
+* C#
+    * https://github.com/warrenfalk/rocksdb-sharp
+    * https://github.com/curiosity-ai/rocksdb-sharp
 * Rust
     * https://github.com/pingcap/rust-rocksdb (used in production fork of https://github.com/spacejam/rust-rocksdb)
     * https://github.com/spacejam/rust-rocksdb

db/c.cc

@@ -595,6 +595,15 @@ void rocksdb_backup_engine_restore_db_from_latest_backup(
                                                        restore_options->rep));
 }
 
+void rocksdb_backup_engine_restore_db_from_backup(
+    rocksdb_backup_engine_t* be, const char* db_dir, const char* wal_dir,
+    const rocksdb_restore_options_t* restore_options, const uint32_t backup_id,
+    char** errptr) {
+  SaveError(errptr, be->rep->RestoreDBFromBackup(backup_id, std::string(db_dir),
+                                                 std::string(wal_dir),
+                                                 restore_options->rep));
+}
+
 const rocksdb_backup_engine_info_t* rocksdb_backup_engine_get_backup_info(
     rocksdb_backup_engine_t* be) {
   rocksdb_backup_engine_info_t* result = new rocksdb_backup_engine_info_t;

include/rocksdb/c.h

@@ -171,6 +171,11 @@ rocksdb_backup_engine_restore_db_from_latest_backup(
     rocksdb_backup_engine_t* be, const char* db_dir, const char* wal_dir,
     const rocksdb_restore_options_t* restore_options, char** errptr);
 
+extern ROCKSDB_LIBRARY_API void rocksdb_backup_engine_restore_db_from_backup(
+    rocksdb_backup_engine_t* be, const char* db_dir, const char* wal_dir,
+    const rocksdb_restore_options_t* restore_options, const uint32_t backup_id,
+    char** errptr);
+
 extern ROCKSDB_LIBRARY_API const rocksdb_backup_engine_info_t*
 rocksdb_backup_engine_get_backup_info(rocksdb_backup_engine_t* be);