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Small renaming for more clarity

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This commit is contained in:
Robert Schulze 2023-01-02 11:02:27 +00:00
parent 4f3051de19
commit 4cb7ac57e4
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GPG Key ID: 26703B55FB13728A
2 changed files with 11 additions and 11 deletions
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18
src/Interpreters/Cache/QueryResultCache.cpp
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@ -180,8 +180,8 @@ try
return res;
};
auto entry = std::make_shared<Chunk>(to_single_chunk(chunks));
new_entry_size_in_bytes = entry->allocatedBytes(); // updated because compression potentially affects the size of the single chunk vs the aggregate size of individual chunks
auto result = std::make_shared<Chunk>(to_single_chunk(partial_results));
new_entry_size_in_bytes = result->allocatedBytes(); // updated because compression potentially affects the size of the single chunk vs the aggregate size of individual chunks
std::lock_guard lock(mutex);
@ -212,13 +212,13 @@ try
/// Insert or replace if enough space
if (sufficient_space_in_cache())
{
cache_size_in_bytes += entry->allocatedBytes();
cache_size_in_bytes += result->allocatedBytes();
if (auto it = cache.find(key); it != cache.end())
cache_size_in_bytes -= it->second->allocatedBytes(); /// key replacement
/// cache[key] = entry; /// does no replacement for unclear reasons
/// cache[key] = result; /// does no replacement for unclear reasons
cache.erase(key);
cache[key] = entry;
cache[key] = result;
LOG_DEBUG(&Poco::Logger::get("QueryResultCache"), "Stored result of query {}", key.queryStringFromAst());
}
@ -227,15 +227,15 @@ catch (const std::exception &)
{
}
void QueryResultCache::Writer::buffer(Chunk && chunk)
void QueryResultCache::Writer::buffer(Chunk && partial_result)
{
if (skip_insert)
return;
chunks.emplace_back(std::move(chunk));
partial_results.emplace_back(std::move(partial_result));
new_entry_size_in_bytes += chunks.back().allocatedBytes();
new_entry_size_in_rows += chunks.back().getNumRows();
new_entry_size_in_bytes += partial_results.back().allocatedBytes();
new_entry_size_in_rows += partial_results.back().getNumRows();
if ((new_entry_size_in_bytes > max_entry_size_in_bytes) || (new_entry_size_in_rows > max_entry_size_in_rows))
skip_insert = true;

4
src/Interpreters/Cache/QueryResultCache.h
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@ -80,7 +80,7 @@ public:
{
public:
~Writer();
void buffer(Chunk && chunk);
void buffer(Chunk && partial_result);
private:
std::mutex & mutex;
Cache & cache TSA_GUARDED_BY(mutex);
@ -94,7 +94,7 @@ public:
const size_t max_entry_size_in_rows;
const std::chrono::time_point<std::chrono::system_clock> query_start_time = std::chrono::system_clock::now(); /// Writer construction/destruction coincides with query start/end
const std::chrono::milliseconds min_query_duration;
Chunks chunks;
Chunks partial_results;
std::atomic<bool> skip_insert = false;
Writer(std::mutex & mutex_, Cache & cache_, const Key & key_,