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70 lines
1.8 KiB
C++
70 lines
1.8 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 <DataTypes/DataTypeString.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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namespace DB
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{
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namespace
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{
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class FunctionAddressToLine: public FunctionAddressToLineBase<StringRef, Dwarf::LocationInfoMode::FAST>
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{
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public:
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static constexpr auto name = "addressToLine";
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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::addressToLine);
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return std::make_shared<FunctionAddressToLine>();
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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<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 = ColumnString::create();
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for (size_t i = 0; i < input_rows_count; ++i)
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{
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StringRef res_str = implCached(data[i]);
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result_column->insertData(res_str.data, res_str.size);
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}
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return result_column;
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}
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void setResult(StringRef & result, const Dwarf::LocationInfo & location, const std::vector<Dwarf::SymbolizedFrame> &) const override
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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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out.finalize();
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result = out.complete();
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}
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};
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}
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REGISTER_FUNCTION(AddressToLine)
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{
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factory.registerFunction<FunctionAddressToLine>();
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}
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}
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#endif
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