+rocksdb_transactiondb_t* rocksdb_transactiondb_open_column_families(
+ const rocksdb_options_t* options,
+ const rocksdb_transactiondb_options_t* txn_db_options, const char* name,
+ int num_column_families, const char** column_family_names,
+ const rocksdb_options_t** column_family_options,
+ rocksdb_column_family_handle_t** column_family_handles, char** errptr) {
+ std::vector<ColumnFamilyDescriptor> column_families;
+ for (int i = 0; i < num_column_families; i++) {
+ column_families.push_back(ColumnFamilyDescriptor(
+ std::string(column_family_names[i]),
+ ColumnFamilyOptions(column_family_options[i]->rep)));
+ }
+
+ TransactionDB* txn_db;
+ std::vector<ColumnFamilyHandle*> handles;
+ if (SaveError(errptr, TransactionDB::Open(options->rep, txn_db_options->rep,
+ std::string(name), column_families,
+ &handles, &txn_db))) {
+ return nullptr;
+ }
+
+ for (size_t i = 0; i < handles.size(); i++) {
+ rocksdb_column_family_handle_t* c_handle =
+ new rocksdb_column_family_handle_t;
+ c_handle->rep = handles[i];
+ column_family_handles[i] = c_handle;
+ }
+ rocksdb_transactiondb_t* result = new rocksdb_transactiondb_t;
+ result->rep = txn_db;
+ return result;
+}
+