Squashed 'src/rocksdb2/' content from commit 37c6740

git-subtree-dir: src/rocksdb2
git-subtree-split: 37c6740c383bb9a6ee2747b04f08bc77fcfa10c5

examples/simple_example.cc

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+// Copyright (c) 2013, Facebook, Inc.  All rights reserved.
+// This source code is licensed under the BSD-style license found in the
+// LICENSE file in the root directory of this source tree. An additional grant
+// of patent rights can be found in the PATENTS file in the same directory.
+#include <cstdio>
+#include <string>
+
+#include "rocksdb/db.h"
+#include "rocksdb/slice.h"
+#include "rocksdb/options.h"
+
+using namespace rocksdb;
+
+std::string kDBPath = "/tmp/rocksdb_simple_example";
+
+int main() {
+  DB* db;
+  Options options;
+  // Optimize RocksDB. This is the easiest way to get RocksDB to perform well
+  options.IncreaseParallelism();
+  options.OptimizeLevelStyleCompaction();
+  // create the DB if it's not already present
+  options.create_if_missing = true;
+
+  // open DB
+  Status s = DB::Open(options, kDBPath, &db);
+  assert(s.ok());
+
+  // Put key-value
+  s = db->Put(WriteOptions(), "key", "value");
+  assert(s.ok());
+  std::string value;
+  // get value
+  s = db->Get(ReadOptions(), "key", &value);
+  assert(s.ok());
+  assert(value == "value");
+
+  delete db;
+
+  return 0;
+}