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4088c0a7f3
Automated register all functions with below naming convention by iterating through the symbols: void DB::registerXXX(DB::FunctionFactory &)
100 lines
2.9 KiB
C++
100 lines
2.9 KiB
C++
#if defined(__ELF__) && !defined(OS_FREEBSD)
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#include <Common/Dwarf.h>
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#include <Columns/ColumnString.h>
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#include <Columns/ColumnArray.h>
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#include <DataTypes/DataTypeString.h>
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#include <DataTypes/DataTypeArray.h>
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#include <Functions/FunctionFactory.h>
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#include <IO/WriteBufferFromArena.h>
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#include <IO/WriteHelpers.h>
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#include <Access/Common/AccessFlags.h>
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#include <Functions/addressToLine.h>
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#include <vector>
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namespace DB
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{
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namespace
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{
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class FunctionAddressToLineWithInlines: public FunctionAddressToLineBase<StringRefs, Dwarf::LocationInfoMode::FULL_WITH_INLINE>
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{
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public:
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static constexpr auto name = "addressToLineWithInlines";
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String getName() const override { return name; }
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static FunctionPtr create(ContextPtr context)
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{
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context->checkAccess(AccessType::addressToLineWithInlines);
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return std::make_shared<FunctionAddressToLineWithInlines>();
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}
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protected:
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DataTypePtr getDataType() const override
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{
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return std::make_shared<DataTypeArray>(std::make_shared<DataTypeString>());
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}
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ColumnPtr getResultColumn(const typename ColumnVector<UInt64>::Container & data, size_t input_rows_count) const override
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{
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auto result_column = ColumnArray::create(ColumnString::create());
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ColumnString & result_strings = typeid_cast<ColumnString &>(result_column->getData());
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ColumnArray::Offsets & result_offsets = result_column->getOffsets();
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ColumnArray::Offset current_offset = 0;
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for (size_t i = 0; i < input_rows_count; ++i)
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{
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StringRefs res = implCached(data[i]);
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for (auto & r : res)
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result_strings.insertData(r.data, r.size);
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current_offset += res.size();
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result_offsets.push_back(current_offset);
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}
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return result_column;
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}
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void setResult(StringRefs & result, const Dwarf::LocationInfo & location, const std::vector<Dwarf::SymbolizedFrame> & inline_frames) const override
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{
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appendLocationToResult(result, location, nullptr);
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for (const auto & inline_frame : inline_frames)
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appendLocationToResult(result, inline_frame.location, &inline_frame);
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}
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private:
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inline ALWAYS_INLINE void appendLocationToResult(StringRefs & result, const Dwarf::LocationInfo & location, const Dwarf::SymbolizedFrame * frame) const
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{
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const char * arena_begin = nullptr;
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WriteBufferFromArena out(cache.arena, arena_begin);
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writeString(location.file.toString(), out);
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writeChar(':', out);
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writeIntText(location.line, out);
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if (frame && frame->name != nullptr)
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{
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writeChar(':', out);
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int status = 0;
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writeString(demangle(frame->name, status), out);
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}
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result.emplace_back(out.complete());
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}
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};
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}
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REGISTER_FUNCTION(AddressToLineWithInlines)
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{
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factory.registerFunction<FunctionAddressToLineWithInlines>();
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}
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}
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#endif
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