C++ (Cpp) FunctionDescription::getFuncPtrの例

コード例 #1

ファイル: TupleArray.cpp プロジェクト: Myasuka/scidb

TupleComparator::TupleComparator(vector<Key> const& keys, const ArrayDesc& arrayDesc):
    _keys(keys), _arrayDesc(arrayDesc), _leFunctions(keys.size()), _eqFunctions(keys.size()), _types(keys.size())
{
    for (size_t i = 0; i < _keys.size(); i++) {
        vector<TypeId> argTypes(2, _arrayDesc.getAttributes()[_keys[i].columnNo].getType());
        FunctionDescription functionDesc;
        vector<FunctionPointer> converters;
        bool supportsVectorMode;
        if (!FunctionLibrary::getInstance()->findFunction("<", argTypes, functionDesc, converters, supportsVectorMode, false))
            throw USER_EXCEPTION(SCIDB_SE_INTERNAL, SCIDB_LE_OPERATOR_NOT_FOUND) << "<" << argTypes[0];
        _leFunctions[i] = functionDesc.getFuncPtr();
        if (!FunctionLibrary::getInstance()->findFunction("=", argTypes, functionDesc, converters, supportsVectorMode, false))
            throw USER_EXCEPTION(SCIDB_SE_INTERNAL, SCIDB_LE_OPERATOR_NOT_FOUND) << "=" << argTypes[0];
        _eqFunctions[i] = functionDesc.getFuncPtr();

        const int j = _keys[i].columnNo;
        TypeId strType = _arrayDesc.getAttributes()[j].getType();
        _types[i] = getDoubleFloatOther(strType);
    }
}