1 // Copyright (c) 2011 The LevelDB Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. See the AUTHORS file for names of contributors.
5 #include "db/builder.h"
7 #include "db/filename.h"
8 #include "db/dbformat.h"
9 #include "db/table_cache.h"
10 #include "db/version_edit.h"
11 #include "leveldb/db.h"
12 #include "leveldb/env.h"
13 #include "leveldb/iterator.h"
17 Status BuildTable(const std::string& dbname,
19 const Options& options,
20 TableCache* table_cache,
27 std::string fname = TableFileName(dbname, meta->number);
30 s = env->NewWritableFile(fname, &file);
35 TableBuilder* builder = new TableBuilder(options, file);
36 meta->smallest.DecodeFrom(iter->key());
37 for (; iter->Valid(); iter->Next()) {
38 Slice key = iter->key();
39 meta->largest.DecodeFrom(key);
40 builder->Add(key, iter->value());
43 // Finish and check for builder errors
45 s = builder->Finish();
47 meta->file_size = builder->FileSize();
48 assert(meta->file_size > 0);
55 // Finish and check for file errors
66 // Verify that the table is usable
67 Iterator* it = table_cache->NewIterator(ReadOptions(),
75 // Check for input iterator errors
76 if (!iter->status().ok()) {
80 if (s.ok() && meta->file_size > 0) {
83 env->DeleteFile(fname);
88 } // namespace leveldb