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dbms: added more bitwise functions [#CONV-2944].

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This commit is contained in:
Alexey Milovidov 2012-12-20 20:01:18 +00:00
parent 1383bfd005
commit 95060b1a47
2 changed files with 109 additions and 235 deletions
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322
dbms/include/DB/Functions/FunctionsArithmetic.h
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@ -12,39 +12,69 @@ namespace DB
/** Арифметические функции: +, -, *, /, %,
* intDiv (целочисленное деление), унарный минус.
* Битовые функции: |, &, ^, ~.
*/
template<typename A, typename B>
struct PlusImpl
template<typename A, typename B, typename Op>
struct BinaryOperationImpl
{
typedef typename NumberTraits::ResultOfAdditionMultiplication<A, B>::Type ResultType;
typedef typename Op::ResultType ResultType;
static void vector_vector(const std::vector<A> & a, const std::vector<B> & b, std::vector<ResultType> & c)
{
/// Далее везде, static_cast - чтобы не было неправильного результата в выражениях вида Int64 c = UInt32(a) * Int32(-1).
size_t size = a.size();
for (size_t i = 0; i < size; ++i)
c[i] = static_cast<ResultType>(a[i]) + b[i];
c[i] = Op::apply(a[i], b[i]);
}
static void vector_constant(const std::vector<A> & a, B b, std::vector<ResultType> & c)
{
size_t size = a.size();
for (size_t i = 0; i < size; ++i)
c[i] = static_cast<ResultType>(a[i]) + b;
c[i] = Op::apply(a[i], b);
}
static void constant_vector(A a, const std::vector<B> & b, std::vector<ResultType> & c)
{
size_t size = b.size();
for (size_t i = 0; i < size; ++i)
c[i] = static_cast<ResultType>(a) + b[i];
c[i] = Op::apply(a, b[i]);
}
static void constant_constant(A a, B b, ResultType & c)
{
c = static_cast<ResultType>(a) + b;
c = Op::apply(a, b);
}
};
template<typename A, typename Op>
struct UnaryOperationImpl
{
typedef typename Op::ResultType ResultType;
static void vector(const std::vector<A> & a, std::vector<ResultType> & c)
{
size_t size = a.size();
for (size_t i = 0; i < size; ++i)
c[i] = Op::apply(a[i]);
}
static void constant(A a, ResultType & c)
{
c = Op::apply(a);
}
};
template<typename A, typename B>
struct PlusImpl
{
typedef typename NumberTraits::ResultOfAdditionMultiplication<A, B>::Type ResultType;
static inline ResultType apply(A a, B b)
{
/// Далее везде, static_cast - чтобы не было неправильного результата в выражениях вида Int64 c = UInt32(a) * Int32(-1).
return static_cast<ResultType>(a) + b;
}
};
@ -53,30 +83,9 @@ struct MultiplyImpl
{
typedef typename NumberTraits::ResultOfAdditionMultiplication<A, B>::Type ResultType;
static void vector_vector(const std::vector<A> & a, const std::vector<B> & b, std::vector<ResultType> & c)
static inline ResultType apply(A a, B b)
{
size_t size = a.size();
for (size_t i = 0; i < size; ++i)
c[i] = static_cast<ResultType>(a[i]) * b[i];
}
static void vector_constant(const std::vector<A> & a, B b, std::vector<ResultType> & c)
{
size_t size = a.size();
for (size_t i = 0; i < size; ++i)
c[i] = static_cast<ResultType>(a[i]) * b;
}
static void constant_vector(A a, const std::vector<B> & b, std::vector<ResultType> & c)
{
size_t size = b.size();
for (size_t i = 0; i < size; ++i)
c[i] = static_cast<ResultType>(a) * b[i];
}
static void constant_constant(A a, B b, ResultType & c)
{
c = static_cast<ResultType>(a) * b;
return static_cast<ResultType>(a) * b;
}
};
@ -85,30 +94,9 @@ struct MinusImpl
{
typedef typename NumberTraits::ResultOfSubtraction<A, B>::Type ResultType;
static void vector_vector(const std::vector<A> & a, const std::vector<B> & b, std::vector<ResultType> & c)
static inline ResultType apply(A a, B b)
{
size_t size = a.size();
for (size_t i = 0; i < size; ++i)
c[i] = static_cast<ResultType>(a[i]) - b[i];
}
static void vector_constant(const std::vector<A> & a, B b, std::vector<ResultType> & c)
{
size_t size = a.size();
for (size_t i = 0; i < size; ++i)
c[i] = static_cast<ResultType>(a[i]) - b;
}
static void constant_vector(A a, const std::vector<B> & b, std::vector<ResultType> & c)
{
size_t size = b.size();
for (size_t i = 0; i < size; ++i)
c[i] = static_cast<ResultType>(a) - b[i];
}
static void constant_constant(A a, B b, ResultType & c)
{
c = static_cast<ResultType>(a) - b;
return static_cast<ResultType>(a) - b;
}
};
@ -117,30 +105,9 @@ struct DivideFloatingImpl
{
typedef typename NumberTraits::ResultOfFloatingPointDivision<A, B>::Type ResultType;
static void vector_vector(const std::vector<A> & a, const std::vector<B> & b, std::vector<ResultType> & c)
static inline ResultType apply(A a, B b)
{
size_t size = a.size();
for (size_t i = 0; i < size; ++i)
c[i] = static_cast<ResultType>(a[i]) / b[i];
}
static void vector_constant(const std::vector<A> & a, B b, std::vector<ResultType> & c)
{
size_t size = a.size();
for (size_t i = 0; i < size; ++i)
c[i] = static_cast<ResultType>(a[i]) / b;
}
static void constant_vector(A a, const std::vector<B> & b, std::vector<ResultType> & c)
{
size_t size = b.size();
for (size_t i = 0; i < size; ++i)
c[i] = static_cast<ResultType>(a) / b[i];
}
static void constant_constant(A a, B b, ResultType & c)
{
c = static_cast<ResultType>(a) / b;
return static_cast<ResultType>(a) / b;
}
};
@ -157,40 +124,10 @@ struct DivideIntegralImpl
{
typedef typename NumberTraits::ResultOfIntegerDivision<A, B>::Type ResultType;
static void vector_vector(const std::vector<A> & a, const std::vector<B> & b, std::vector<ResultType> & c)
{
size_t size = a.size();
for (size_t i = 0; i < size; ++i)
{
throwIfZero(b[i]);
c[i] = static_cast<ResultType>(a[i]) / b[i];
}
}
static void vector_constant(const std::vector<A> & a, B b, std::vector<ResultType> & c)
{
size_t size = a.size();
for (size_t i = 0; i < size; ++i)
static inline ResultType apply(A a, B b)
{
throwIfZero(b);
c[i] = static_cast<ResultType>(a[i]) / b;
}
}
static void constant_vector(A a, const std::vector<B> & b, std::vector<ResultType> & c)
{
size_t size = b.size();
for (size_t i = 0; i < size; ++i)
{
throwIfZero(b[i]);
c[i] = static_cast<ResultType>(a) / b[i];
}
}
static void constant_constant(A a, B b, ResultType & c)
{
throwIfZero(b);
c = static_cast<ResultType>(a) / b;
return static_cast<ResultType>(a) / b;
}
};
@ -199,43 +136,10 @@ struct ModuloImpl
{
typedef typename NumberTraits::ResultOfModulo<A, B>::Type ResultType;
static void vector_vector(const std::vector<A> & a, const std::vector<B> & b, std::vector<ResultType> & c)
{
size_t size = a.size();
for (size_t i = 0; i < size; ++i)
{
throwIfZero(typename NumberTraits::ToInteger<A>::Type(b[i]));
c[i] = typename NumberTraits::ToInteger<A>::Type(a[i])
% typename NumberTraits::ToInteger<A>::Type(b[i]);
}
}
static void vector_constant(const std::vector<A> & a, B b, std::vector<ResultType> & c)
{
size_t size = a.size();
for (size_t i = 0; i < size; ++i)
static inline ResultType apply(A a, B b)
{
throwIfZero(typename NumberTraits::ToInteger<A>::Type(b));
c[i] = typename NumberTraits::ToInteger<A>::Type(a[i])
% typename NumberTraits::ToInteger<A>::Type(b);
}
}
static void constant_vector(A a, const std::vector<B> & b, std::vector<ResultType> & c)
{
size_t size = b.size();
for (size_t i = 0; i < size; ++i)
{
throwIfZero(typename NumberTraits::ToInteger<A>::Type(b[i]));
c[i] = typename NumberTraits::ToInteger<A>::Type(a)
% typename NumberTraits::ToInteger<A>::Type(b[i]);
}
}
static void constant_constant(A a, B b, ResultType & c)
{
throwIfZero(typename NumberTraits::ToInteger<A>::Type(b));
c = typename NumberTraits::ToInteger<A>::Type(a)
return typename NumberTraits::ToInteger<A>::Type(a)
% typename NumberTraits::ToInteger<A>::Type(b);
}
};
@ -245,39 +149,9 @@ struct BitwiseAndImpl
{
typedef typename NumberTraits::ResultOfBitwise<A, B>::Type ResultType;
static void vector_vector(const std::vector<A> & a, const std::vector<B> & b, std::vector<ResultType> & c)
static inline ResultType apply(A a, B b)
{
size_t size = a.size();
for (size_t i = 0; i < size; ++i)
{
c[i] = static_cast<ResultType>(a[i])
& static_cast<ResultType>(b[i]);
}
}
static void vector_constant(const std::vector<A> & a, B b, std::vector<ResultType> & c)
{
size_t size = a.size();
for (size_t i = 0; i < size; ++i)
{
c[i] = static_cast<ResultType>(a[i])
& static_cast<ResultType>(b);
}
}
static void constant_vector(A a, const std::vector<B> & b, std::vector<ResultType> & c)
{
size_t size = b.size();
for (size_t i = 0; i < size; ++i)
{
c[i] = static_cast<ResultType>(a)
& static_cast<ResultType>(b[i]);
}
}
static void constant_constant(A a, B b, ResultType & c)
{
c = static_cast<ResultType>(a)
return static_cast<ResultType>(a)
& static_cast<ResultType>(b);
}
};
@ -287,40 +161,22 @@ struct BitwiseOrImpl
{
typedef typename NumberTraits::ResultOfBitwise<A, B>::Type ResultType;
static void vector_vector(const std::vector<A> & a, const std::vector<B> & b, std::vector<ResultType> & c)
static inline ResultType apply(A a, B b)
{
size_t size = a.size();
for (size_t i = 0; i < size; ++i)
{
c[i] = static_cast<ResultType>(a[i])
| static_cast<ResultType>(b[i]);
}
}
static void vector_constant(const std::vector<A> & a, B b, std::vector<ResultType> & c)
{
size_t size = a.size();
for (size_t i = 0; i < size; ++i)
{
c[i] = static_cast<ResultType>(a[i])
return static_cast<ResultType>(a)
| static_cast<ResultType>(b);
}
}
};
static void constant_vector(A a, const std::vector<B> & b, std::vector<ResultType> & c)
template<typename A, typename B>
struct BitwiseXorImpl
{
size_t size = b.size();
for (size_t i = 0; i < size; ++i)
{
c[i] = static_cast<ResultType>(a)
| static_cast<ResultType>(b[i]);
}
}
typedef typename NumberTraits::ResultOfBitwise<A, B>::Type ResultType;
static void constant_constant(A a, B b, ResultType & c)
static inline ResultType apply(A a, B b)
{
c = static_cast<ResultType>(a)
| static_cast<ResultType>(b);
return static_cast<ResultType>(a)
^ static_cast<ResultType>(b);
}
};
@ -329,21 +185,26 @@ struct NegateImpl
{
typedef typename NumberTraits::ResultOfNegate<A>::Type ResultType;
static void vector(const std::vector<A> & a, std::vector<ResultType> & c)
static inline ResultType apply(A a)
{
size_t size = a.size();
for (size_t i = 0; i < size; ++i)
c[i] = -a[i];
return -a;
}
};
static void constant(A a, ResultType & c)
template<typename A>
struct BitwiseNotImpl
{
c = -a;
typedef typename NumberTraits::ResultOfBitwiseNot<A>::Type ResultType;
static inline ResultType apply(A a)
{
return ~static_cast<ResultType>(a);
}
};
template <template <typename, typename> class Impl, typename Name>
template <template <typename, typename> class Op, typename Name>
class FunctionBinaryArithmetic : public IFunction
{
private:
@ -353,7 +214,7 @@ private:
if (dynamic_cast<const T1 *>(&*arguments[1]))
{
type_res = new typename DataTypeFromFieldType<
typename Impl<typename T0::FieldType, typename T1::FieldType>::ResultType>::Type;
typename Op<typename T0::FieldType, typename T1::FieldType>::ResultType>::Type;
return true;
}
return false;
@ -388,27 +249,27 @@ private:
{
if (ColumnVector<T1> * col_right = dynamic_cast<ColumnVector<T1> *>(&*block.getByPosition(arguments[1]).column))
{
typedef typename Impl<T0, T1>::ResultType ResultType;
typedef typename Op<T0, T1>::ResultType ResultType;
ColumnVector<ResultType> * col_res = new ColumnVector<ResultType>;
block.getByPosition(result).column = col_res;
typename ColumnVector<ResultType>::Container_t & vec_res = col_res->getData();
vec_res.resize(col_left->getData().size());
Impl<T0, T1>::vector_vector(col_left->getData(), col_right->getData(), vec_res);
BinaryOperationImpl<T0, T1, Op<T0, T1> >::vector_vector(col_left->getData(), col_right->getData(), vec_res);
return true;
}
else if (ColumnConst<T1> * col_right = dynamic_cast<ColumnConst<T1> *>(&*block.getByPosition(arguments[1]).column))
{
typedef typename Impl<T0, T1>::ResultType ResultType;
typedef typename Op<T0, T1>::ResultType ResultType;
ColumnVector<ResultType> * col_res = new ColumnVector<ResultType>;
block.getByPosition(result).column = col_res;
typename ColumnVector<ResultType>::Container_t & vec_res = col_res->getData();
vec_res.resize(col_left->getData().size());
Impl<T0, T1>::vector_constant(col_left->getData(), col_right->getData(), vec_res);
BinaryOperationImpl<T0, T1, Op<T0, T1> >::vector_constant(col_left->getData(), col_right->getData(), vec_res);
return true;
}
@ -421,23 +282,23 @@ private:
{
if (ColumnVector<T1> * col_right = dynamic_cast<ColumnVector<T1> *>(&*block.getByPosition(arguments[1]).column))
{
typedef typename Impl<T0, T1>::ResultType ResultType;
typedef typename Op<T0, T1>::ResultType ResultType;
ColumnVector<ResultType> * col_res = new ColumnVector<ResultType>;
block.getByPosition(result).column = col_res;
typename ColumnVector<ResultType>::Container_t & vec_res = col_res->getData();
vec_res.resize(col_left->size());
Impl<T0, T1>::constant_vector(col_left->getData(), col_right->getData(), vec_res);
BinaryOperationImpl<T0, T1, Op<T0, T1> >::constant_vector(col_left->getData(), col_right->getData(), vec_res);
return true;
}
else if (ColumnConst<T1> * col_right = dynamic_cast<ColumnConst<T1> *>(&*block.getByPosition(arguments[1]).column))
{
typedef typename Impl<T0, T1>::ResultType ResultType;
typedef typename Op<T0, T1>::ResultType ResultType;
ResultType res = 0;
Impl<T0, T1>::constant_constant(col_left->getData(), col_right->getData(), res);
BinaryOperationImpl<T0, T1, Op<T0, T1> >::constant_constant(col_left->getData(), col_right->getData(), res);
ColumnConst<ResultType> * col_res = new ColumnConst<ResultType>(col_left->size(), res);
block.getByPosition(result).column = col_res;
@ -544,7 +405,7 @@ public:
};
template <template <typename> class Impl, typename Name>
template <template <typename> class Op, typename Name>
class FunctionUnaryArithmetic : public IFunction
{
private:
@ -554,7 +415,7 @@ private:
if (dynamic_cast<const T0 *>(&*arguments[0]))
{
result = new typename DataTypeFromFieldType<
typename Impl<typename T0::FieldType>::ResultType>::Type;
typename Op<typename T0::FieldType>::ResultType>::Type;
return true;
}
return false;
@ -565,23 +426,23 @@ private:
{
if (ColumnVector<T0> * col = dynamic_cast<ColumnVector<T0> *>(&*block.getByPosition(arguments[0]).column))
{
typedef typename Impl<T0>::ResultType ResultType;
typedef typename Op<T0>::ResultType ResultType;
ColumnVector<ResultType> * col_res = new ColumnVector<ResultType>;
block.getByPosition(result).column = col_res;
typename ColumnVector<ResultType>::Container_t & vec_res = col_res->getData();
vec_res.resize(col->getData().size());
Impl<T0>::vector(col->getData(), vec_res);
UnaryOperationImpl<T0, Op<T0> >::vector(col->getData(), vec_res);
return true;
}
else if (ColumnConst<T0> * col = dynamic_cast<ColumnConst<T0> *>(&*block.getByPosition(arguments[0]).column))
{
typedef typename Impl<T0>::ResultType ResultType;
typedef typename Op<T0>::ResultType ResultType;
ResultType res = 0;
Impl<T0>::constant(col->getData(), res);
UnaryOperationImpl<T0, Op<T0> >::constant(col->getData(), res);
ColumnConst<ResultType> * col_res = new ColumnConst<ResultType>(col->size(), res);
block.getByPosition(result).column = col_res;
@ -651,9 +512,11 @@ struct NameMultiply { static const char * get() { return "multiply"; } };
struct NameDivideFloating { static const char * get() { return "divide"; } };
struct NameDivideIntegral { static const char * get() { return "intDiv"; } };
struct NameModulo { static const char * get() { return "modulo"; } };
struct NameNegate { static const char * get() { return "negate"; } };
struct NameBitwiseAnd { static const char * get() { return "bitwiseAnd"; } };
struct NameBitwiseOr { static const char * get() { return "bitwiseOr"; } };
struct NameNegate { static const char * get() { return "negate"; } };
struct NameBitwiseXor { static const char * get() { return "bitwiseXor"; } };
struct NameBitwiseNot { static const char * get() { return "bitwiseNot"; } };
typedef FunctionBinaryArithmetic<PlusImpl, NamePlus> FunctionPlus;
typedef FunctionBinaryArithmetic<MinusImpl, NameMinus> FunctionMinus;
@ -661,9 +524,12 @@ typedef FunctionBinaryArithmetic<MultiplyImpl, NameMultiply> FunctionMultipl
typedef FunctionBinaryArithmetic<DivideFloatingImpl, NameDivideFloating> FunctionDivideFloating;
typedef FunctionBinaryArithmetic<DivideIntegralImpl, NameDivideIntegral> FunctionDivideIntegral;
typedef FunctionBinaryArithmetic<ModuloImpl, NameModulo> FunctionModulo;
typedef FunctionUnaryArithmetic<NegateImpl, NameNegate> FunctionNegate;
typedef FunctionBinaryArithmetic<BitwiseAndImpl, NameBitwiseAnd> FunctionBitwiseAnd;
typedef FunctionBinaryArithmetic<BitwiseOrImpl, NameBitwiseOr> FunctionBitwiseOr;
typedef FunctionUnaryArithmetic<NegateImpl, NameNegate> FunctionNegate;
typedef FunctionBinaryArithmetic<BitwiseXorImpl, NameBitwiseXor> FunctionBitwiseXor;
typedef FunctionUnaryArithmetic<BitwiseNotImpl, NameBitwiseNot> FunctionBitwiseNot;
}

8
dbms/include/DB/Functions/NumberTraits.h
View File

@ -164,6 +164,14 @@ namespace NumberTraits
typename Traits<B>::Bits>::type>::type>::Type Type;
};
template <typename A> struct ResultOfBitwiseNot
{
typedef typename Construct<
typename Traits<A>::Sign,
Integer,
typename Traits<A>::Bits>::Type Type;
};
/** Перед применением оператора % и побитовых операций, операнды приводятся к целым числам. */
template <typename A> struct ToInteger
{