mirror of
https://github.com/facebook/rocksdb.git
synced 2024-11-30 04:41:49 +00:00
5d68243e61
Summary: Submitting on behalf of another employee. Closes https://github.com/facebook/rocksdb/pull/3557 Differential Revision: D7146025 Pulled By: ajkr fbshipit-source-id: 495ca5db5beec3789e671e26f78170957704e77e
120 lines
3.8 KiB
C++
120 lines
3.8 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
|
|
// This source code is licensed under both the GPLv2 (found in the
|
|
// COPYING file in the root directory) and Apache 2.0 License
|
|
// (found in the LICENSE.Apache file in the root directory).
|
|
|
|
#include "db/table_properties_collector.h"
|
|
|
|
#include "db/dbformat.h"
|
|
#include "util/coding.h"
|
|
#include "util/string_util.h"
|
|
|
|
namespace rocksdb {
|
|
|
|
Status InternalKeyPropertiesCollector::InternalAdd(const Slice& key,
|
|
const Slice& /*value*/,
|
|
uint64_t /*file_size*/) {
|
|
ParsedInternalKey ikey;
|
|
if (!ParseInternalKey(key, &ikey)) {
|
|
return Status::InvalidArgument("Invalid internal key");
|
|
}
|
|
|
|
// Note: We count both, deletions and single deletions here.
|
|
if (ikey.type == ValueType::kTypeDeletion ||
|
|
ikey.type == ValueType::kTypeSingleDeletion) {
|
|
++deleted_keys_;
|
|
} else if (ikey.type == ValueType::kTypeMerge) {
|
|
++merge_operands_;
|
|
}
|
|
|
|
return Status::OK();
|
|
}
|
|
|
|
Status InternalKeyPropertiesCollector::Finish(
|
|
UserCollectedProperties* properties) {
|
|
assert(properties);
|
|
assert(properties->find(
|
|
InternalKeyTablePropertiesNames::kDeletedKeys) == properties->end());
|
|
assert(properties->find(InternalKeyTablePropertiesNames::kMergeOperands) ==
|
|
properties->end());
|
|
|
|
std::string val_deleted_keys;
|
|
PutVarint64(&val_deleted_keys, deleted_keys_);
|
|
properties->insert(
|
|
{InternalKeyTablePropertiesNames::kDeletedKeys, val_deleted_keys});
|
|
|
|
std::string val_merge_operands;
|
|
PutVarint64(&val_merge_operands, merge_operands_);
|
|
properties->insert(
|
|
{InternalKeyTablePropertiesNames::kMergeOperands, val_merge_operands});
|
|
|
|
return Status::OK();
|
|
}
|
|
|
|
UserCollectedProperties
|
|
InternalKeyPropertiesCollector::GetReadableProperties() const {
|
|
return {{"kDeletedKeys", ToString(deleted_keys_)},
|
|
{"kMergeOperands", ToString(merge_operands_)}};
|
|
}
|
|
|
|
namespace {
|
|
|
|
uint64_t GetUint64Property(const UserCollectedProperties& props,
|
|
const std::string& property_name,
|
|
bool* property_present) {
|
|
auto pos = props.find(property_name);
|
|
if (pos == props.end()) {
|
|
*property_present = false;
|
|
return 0;
|
|
}
|
|
Slice raw = pos->second;
|
|
uint64_t val = 0;
|
|
*property_present = true;
|
|
return GetVarint64(&raw, &val) ? val : 0;
|
|
}
|
|
|
|
} // namespace
|
|
|
|
Status UserKeyTablePropertiesCollector::InternalAdd(const Slice& key,
|
|
const Slice& value,
|
|
uint64_t file_size) {
|
|
ParsedInternalKey ikey;
|
|
if (!ParseInternalKey(key, &ikey)) {
|
|
return Status::InvalidArgument("Invalid internal key");
|
|
}
|
|
|
|
return collector_->AddUserKey(ikey.user_key, value, GetEntryType(ikey.type),
|
|
ikey.sequence, file_size);
|
|
}
|
|
|
|
Status UserKeyTablePropertiesCollector::Finish(
|
|
UserCollectedProperties* properties) {
|
|
return collector_->Finish(properties);
|
|
}
|
|
|
|
UserCollectedProperties
|
|
UserKeyTablePropertiesCollector::GetReadableProperties() const {
|
|
return collector_->GetReadableProperties();
|
|
}
|
|
|
|
|
|
const std::string InternalKeyTablePropertiesNames::kDeletedKeys
|
|
= "rocksdb.deleted.keys";
|
|
const std::string InternalKeyTablePropertiesNames::kMergeOperands =
|
|
"rocksdb.merge.operands";
|
|
|
|
uint64_t GetDeletedKeys(
|
|
const UserCollectedProperties& props) {
|
|
bool property_present_ignored;
|
|
return GetUint64Property(props, InternalKeyTablePropertiesNames::kDeletedKeys,
|
|
&property_present_ignored);
|
|
}
|
|
|
|
uint64_t GetMergeOperands(const UserCollectedProperties& props,
|
|
bool* property_present) {
|
|
return GetUint64Property(
|
|
props, InternalKeyTablePropertiesNames::kMergeOperands, property_present);
|
|
}
|
|
|
|
} // namespace rocksdb
|