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51 lines
1.2 KiB
C++
51 lines
1.2 KiB
C++
#pragma once
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#include <Interpreters/SystemLog.h>
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#include <Core/NamesAndTypes.h>
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#include <Core/NamesAndAliases.h>
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#include <Core/Field.h>
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/// Call this function on crash.
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void collectCrashLog(Int32 signal, UInt64 thread_id, const String & query_id, const StackTrace & stack_trace);
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namespace DB
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{
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/** Information about fatal errors that lead to crash.
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* Before crash we are writing info into system table for further analysis.
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*/
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struct CrashLogElement
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{
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time_t event_time{};
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UInt64 timestamp_ns{};
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Int32 signal{};
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UInt64 thread_id{};
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String query_id;
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Array trace;
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Array trace_full;
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static std::string name() { return "CrashLog"; }
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static NamesAndTypesList getNamesAndTypes();
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static NamesAndAliases getNamesAndAliases() { return {}; }
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void appendToBlock(MutableColumns & columns) const;
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static const char * getCustomColumnList() { return nullptr; }
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};
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class CrashLog : public SystemLog<CrashLogElement>
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{
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using SystemLog<CrashLogElement>::SystemLog;
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friend void ::collectCrashLog(Int32, UInt64, const String &, const StackTrace &);
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static std::weak_ptr<CrashLog> crash_log;
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public:
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static void initialize(std::shared_ptr<CrashLog> crash_log_)
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{
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crash_log = crash_log_;
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}
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};
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}
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