| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| **/ |
| |
| #ifndef QUICKSTEP_TYPES_TYPE_ID_HPP_ |
| #define QUICKSTEP_TYPES_TYPE_ID_HPP_ |
| |
| #include <cstddef> |
| |
| namespace quickstep { |
| |
| /** |
| * @brief Concrete Types. |
| * |
| * @note TypedValue assumes that this doesn't exceed 64 TypeIDs. |
| **/ |
| enum TypeID { |
| kInt = 0, |
| kLong, |
| kFloat, |
| kDouble, |
| kChar, |
| kVarChar, |
| kDate, |
| kDatetime, |
| kDatetimeInterval, |
| kYearMonthInterval, |
| kNullType, |
| kNumTypeIDs // Not a real TypeID, exists for counting purposes. |
| }; |
| |
| /** |
| * @brief Provides basic information about a Type in the Quickstep type system. |
| * |
| * @note This does not necessarily uniquely identify a Type. For instance, a |
| * DECIMAL type may have a precision that it is not captured by this |
| * struct. |
| * @note This is used only to provide basic Type information to |
| * TypedValue::isPlausibleInstanceOf() for debugging purposes. |
| **/ |
| struct TypeSignature { |
| TypeID id; |
| bool nullable; |
| std::size_t length; |
| }; |
| |
| /** |
| * @brief Names of types in the same order as TypeID. |
| * @note Defined out-of-line in TypeID.cpp |
| **/ |
| extern const char *kTypeNames[kNumTypeIDs]; |
| |
| } // namespace quickstep |
| |
| #endif // QUICKSTEP_TYPES_TYPE_ID_HPP_ |