Function transaction

packages/core/fumadb/src/adapters/memory/index.ts:192–201

(run: (transactionInstance: AbstractQuery<AnySchema>) => Promise<T>)

          db[table.ormName] = rows.filter((row) => !matchesCondition(row, v.where));
        },
        async transaction<T>(run: (transactionInstance: AbstractQuery<AnySchema>) => Promise<T>) {
          const snapshot = cloneValue(db);
          try {
            return await run(orm);
          } catch (error) {
            for (const key of Object.keys(db)) delete db[key];
            Object.assign(db, snapshot);
            throw error;
          }
        },
      });
      return orm;
    },