#pragma once #include #include namespace DB { /// Poco::Message with more ClickHouse-specific info /// NOTE: Poco::Message is not polymorphic class, so we can't use inheritance in couple with dynamic_cast<>() class ExtendedLogMessage { public: explicit ExtendedLogMessage(const Poco::Message & base) : base(base) {} /// Attach additional data to the message static ExtendedLogMessage getFrom(const Poco::Message & base); // Do not copy for efficiency reasons const Poco::Message & base; UInt32 time_seconds = 0; UInt32 time_microseconds = 0; UInt32 thread_number = 0; std::string query_id; }; /// Interface extension of Poco::Channel class ExtendedLogChannel { public: virtual void logExtended(const ExtendedLogMessage & msg) = 0; virtual ~ExtendedLogChannel() = default; }; }