Method fillData

src/Storages/System/StorageSystemQueryConditionCache.cpp:36–68

}

void StorageSystemQueryConditionCache::fillData(MutableColumns & res_columns, ContextPtr context, const ActionsDAG::Node *, std::vector<UInt8>) const
{
    QueryConditionCachePtr query_condition_cache = context->getQueryConditionCache();

    if (!query_condition_cache)
        return;

    std::vector<QueryConditionCache::Cache::KeyMapped> content = query_condition_cache->dump();

    auto to_string = [](const auto & values)
    {
        String str;
        for (auto val : values)
            str += std::to_string(val);
        return str;
    };

    for (const auto & [key, entry] : content)
    {
        ssize_t i = -1;
        res_columns[++i]->insert(key);
#if defined(DEBUG_OR_SANITIZER_BUILD)
        res_columns[++i]->insert(entry->table_id);
        res_columns[++i]->insert(entry->part_name);
        res_columns[++i]->insert(entry->condition);
        res_columns[++i]->insert(entry->condition_hash);
#endif
        res_columns[++i]->insert(QueryConditionCache::EntryWeight()(*entry));

        std::shared_lock lock(entry->mutex);
        res_columns[++i]->insert(to_string(entry->matching_marks));
    }
}

}