mirror of
https://github.com/facebook/rocksdb.git
synced 2024-11-26 16:30:56 +00:00
13de000f07
Summary: In some environment such as android, the c++ library does not have std::to_string. This path adds rocksdb::ToString(), which wraps std::to_string when std::to_string is not available, and implements std::to_string in the other case. Test Plan: make dbg -j32 ./db_test make clean make dbg OPT=-DOS_ANDROID -j32 ./db_test Reviewers: ljin, sdong, igor Reviewed By: igor Subscribers: dhruba, leveldb Differential Revision: https://reviews.facebook.net/D29181
85 lines
2.2 KiB
C++
85 lines
2.2 KiB
C++
// 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 "db/table_properties_collector.h"
|
|
|
|
#include "db/dbformat.h"
|
|
#include "util/coding.h"
|
|
#include "util/string_util.h"
|
|
|
|
namespace rocksdb {
|
|
|
|
Status InternalKeyPropertiesCollector::Add(
|
|
const Slice& key, const Slice& value) {
|
|
ParsedInternalKey ikey;
|
|
if (!ParseInternalKey(key, &ikey)) {
|
|
return Status::InvalidArgument("Invalid internal key");
|
|
}
|
|
|
|
if (ikey.type == ValueType::kTypeDeletion) {
|
|
++deleted_keys_;
|
|
}
|
|
|
|
return Status::OK();
|
|
}
|
|
|
|
Status InternalKeyPropertiesCollector::Finish(
|
|
UserCollectedProperties* properties) {
|
|
assert(properties);
|
|
assert(properties->find(
|
|
InternalKeyTablePropertiesNames::kDeletedKeys) == properties->end());
|
|
std::string val;
|
|
|
|
PutVarint64(&val, deleted_keys_);
|
|
properties->insert({ InternalKeyTablePropertiesNames::kDeletedKeys, val });
|
|
|
|
return Status::OK();
|
|
}
|
|
|
|
UserCollectedProperties
|
|
InternalKeyPropertiesCollector::GetReadableProperties() const {
|
|
return {
|
|
{ "kDeletedKeys", ToString(deleted_keys_) }
|
|
};
|
|
}
|
|
|
|
|
|
Status UserKeyTablePropertiesCollector::Add(
|
|
const Slice& key, const Slice& value) {
|
|
ParsedInternalKey ikey;
|
|
if (!ParseInternalKey(key, &ikey)) {
|
|
return Status::InvalidArgument("Invalid internal key");
|
|
}
|
|
|
|
return collector_->Add(ikey.user_key, value);
|
|
}
|
|
|
|
Status UserKeyTablePropertiesCollector::Finish(
|
|
UserCollectedProperties* properties) {
|
|
return collector_->Finish(properties);
|
|
}
|
|
|
|
UserCollectedProperties
|
|
UserKeyTablePropertiesCollector::GetReadableProperties() const {
|
|
return collector_->GetReadableProperties();
|
|
}
|
|
|
|
|
|
const std::string InternalKeyTablePropertiesNames::kDeletedKeys
|
|
= "rocksdb.deleted.keys";
|
|
|
|
uint64_t GetDeletedKeys(
|
|
const UserCollectedProperties& props) {
|
|
auto pos = props.find(InternalKeyTablePropertiesNames::kDeletedKeys);
|
|
if (pos == props.end()) {
|
|
return 0;
|
|
}
|
|
Slice raw = pos->second;
|
|
uint64_t val = 0;
|
|
return GetVarint64(&raw, &val) ? val : 0;
|
|
}
|
|
|
|
} // namespace rocksdb
|