Use system-wide LevelDB instead of bundled one

1 files changed, 0 insertions, 121 deletions

diff --git a/src/leveldb/db/table_cache.cc b/src/leveldb/db/table_cache.cc
deleted file mode 100644
index 497db2707..000000000
--- a/src/leveldb/db/table_cache.cc
+++ /dev/null
@@ -1,121 +0,0 @@
-// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file. See the AUTHORS file for names of contributors.
-
-#include "db/table_cache.h"
-
-#include "db/filename.h"
-#include "leveldb/env.h"
-#include "leveldb/table.h"
-#include "util/coding.h"
-
-namespace leveldb {
-
-struct TableAndFile {
-  RandomAccessFile* file;
-  Table* table;
-};
-
-static void DeleteEntry(const Slice& key, void* value) {
-  TableAndFile* tf = reinterpret_cast<TableAndFile*>(value);
-  delete tf->table;
-  delete tf->file;
-  delete tf;
-}
-
-static void UnrefEntry(void* arg1, void* arg2) {
-  Cache* cache = reinterpret_cast<Cache*>(arg1);
-  Cache::Handle* h = reinterpret_cast<Cache::Handle*>(arg2);
-  cache->Release(h);
-}
-
-TableCache::TableCache(const std::string& dbname,
-                       const Options* options,
-                       int entries)
-    : env_(options->env),
-      dbname_(dbname),
-      options_(options),
-      cache_(NewLRUCache(entries)) {
-}
-
-TableCache::~TableCache() {
-  delete cache_;
-}
-
-Status TableCache::FindTable(uint64_t file_number, uint64_t file_size,
-                             Cache::Handle** handle) {
-  Status s;
-  char buf[sizeof(file_number)];
-  EncodeFixed64(buf, file_number);
-  Slice key(buf, sizeof(buf));
-  *handle = cache_->Lookup(key);
-  if (*handle == NULL) {
-    std::string fname = TableFileName(dbname_, file_number);
-    RandomAccessFile* file = NULL;
-    Table* table = NULL;
-    s = env_->NewRandomAccessFile(fname, &file);
-    if (s.ok()) {
-      s = Table::Open(*options_, file, file_size, &table);
-    }
-
-    if (!s.ok()) {
-      assert(table == NULL);
-      delete file;
-      // We do not cache error results so that if the error is transient,
-      // or somebody repairs the file, we recover automatically.
-    } else {
-      TableAndFile* tf = new TableAndFile;
-      tf->file = file;
-      tf->table = table;
-      *handle = cache_->Insert(key, tf, 1, &DeleteEntry);
-    }
-  }
-  return s;
-}
-
-Iterator* TableCache::NewIterator(const ReadOptions& options,
-                                  uint64_t file_number,
-                                  uint64_t file_size,
-                                  Table** tableptr) {
-  if (tableptr != NULL) {
-    *tableptr = NULL;
-  }
-
-  Cache::Handle* handle = NULL;
-  Status s = FindTable(file_number, file_size, &handle);
-  if (!s.ok()) {
-    return NewErrorIterator(s);
-  }
-
-  Table* table = reinterpret_cast<TableAndFile*>(cache_->Value(handle))->table;
-  Iterator* result = table->NewIterator(options);
-  result->RegisterCleanup(&UnrefEntry, cache_, handle);
-  if (tableptr != NULL) {
-    *tableptr = table;
-  }
-  return result;
-}
-
-Status TableCache::Get(const ReadOptions& options,
-                       uint64_t file_number,
-                       uint64_t file_size,
-                       const Slice& k,
-                       void* arg,
-                       void (*saver)(void*, const Slice&, const Slice&)) {
-  Cache::Handle* handle = NULL;
-  Status s = FindTable(file_number, file_size, &handle);
-  if (s.ok()) {
-    Table* t = reinterpret_cast<TableAndFile*>(cache_->Value(handle))->table;
-    s = t->InternalGet(options, k, arg, saver);
-    cache_->Release(handle);
-  }
-  return s;
-}
-
-void TableCache::Evict(uint64_t file_number) {
-  char buf[sizeof(file_number)];
-  EncodeFixed64(buf, file_number);
-  cache_->Erase(Slice(buf, sizeof(buf)));
-}
-
-}  // namespace leveldb