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65 lines
1.3 KiB
C++
65 lines
1.3 KiB
C++
#if defined(__ELF__) && !defined(__FreeBSD__)
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#include <Functions/IFunctionImpl.h>
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#include <Functions/FunctionFactory.h>
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#include <DataTypes/DataTypeString.h>
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#include <Common/SymbolIndex.h>
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#include <Core/Field.h>
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namespace DB
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{
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namespace
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{
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/** buildId() - returns the compiler build id of the running binary.
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*/
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class FunctionBuildId : public IFunction
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{
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public:
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static constexpr auto name = "buildId";
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static FunctionPtr create(const Context &)
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{
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return std::make_shared<FunctionBuildId>();
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}
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String getName() const override
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{
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return name;
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}
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size_t getNumberOfArguments() const override
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{
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return 0;
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}
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DataTypePtr getReturnTypeImpl(const DataTypes & /*arguments*/) const override
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{
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return std::make_shared<DataTypeString>();
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}
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void executeImpl(ColumnsWithTypeAndName & columns, const ColumnNumbers &, size_t result, size_t input_rows_count) const override
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{
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columns[result].column = DataTypeString().createColumnConst(input_rows_count, SymbolIndex::instance().getBuildIDHex());
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}
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};
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}
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void registerFunctionBuildId(FunctionFactory & factory)
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{
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factory.registerFunction<FunctionBuildId>();
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}
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}
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#else
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namespace DB
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{
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class FunctionFactory;
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void registerFunctionBuildId(FunctionFactory &) {}
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}
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#endif
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