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rust-rocksdb/librocksdb-sys/rocksdb/db/table_properties_collector.cc

74 lines
2.4 KiB

// 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_NAMESPACE {
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;
}
} // anonymous namespace
Status UserKeyTablePropertiesCollector::InternalAdd(const Slice& key,
const Slice& value,
uint64_t file_size) {
ParsedInternalKey ikey;
Status s = ParseInternalKey(key, &ikey, false /* log_err_key */); // TODO
if (!s.ok()) {
return s;
}
return collector_->AddUserKey(ikey.user_key, value, GetEntryType(ikey.type),
ikey.sequence, file_size);
}
void UserKeyTablePropertiesCollector::BlockAdd(
uint64_t block_uncomp_bytes, uint64_t block_compressed_bytes_fast,
uint64_t block_compressed_bytes_slow) {
return collector_->BlockAdd(block_uncomp_bytes, block_compressed_bytes_fast,
block_compressed_bytes_slow);
}
Status UserKeyTablePropertiesCollector::Finish(
UserCollectedProperties* properties) {
return collector_->Finish(properties);
}
UserCollectedProperties UserKeyTablePropertiesCollector::GetReadableProperties()
const {
return collector_->GetReadableProperties();
}
uint64_t GetDeletedKeys(const UserCollectedProperties& props) {
bool property_present_ignored;
return GetUint64Property(props, TablePropertiesNames::kDeletedKeys,
&property_present_ignored);
}
uint64_t GetMergeOperands(const UserCollectedProperties& props,
bool* property_present) {
return GetUint64Property(props, TablePropertiesNames::kMergeOperands,
property_present);
}
} // namespace ROCKSDB_NAMESPACE