DictColumn.hpp
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上传日期:2022-05-23
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- /* Copyright (C) 2003 MySQL AB
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
- #ifndef ODBC_DICTIONARY_DictColumn_hpp
- #define ODBC_DICTIONARY_DictColumn_hpp
- #include <common/common.hpp>
- #include <common/DataType.hpp>
- class Ctx;
- class SqlType;
- class ConnArea;
- class DictTable;
- /**
- * @class DictColumn
- * @brief Table column
- */
- class DictColumn {
- public:
- DictColumn(const ConnArea& connArea, const BaseString& name, const SqlType& sqlType);
- ~DictColumn();
- const BaseString& getName() const;
- const SqlType& sqlType() const;
- void setPosition(unsigned position);
- unsigned getPosition() const;
- void setParent(DictTable* parent);
- DictTable* getParent() const;
- NdbAttrId getAttrId() const;
- bool isKey() const;
- bool isTupleId() const;
- bool isAutoIncrement() const;
- const char* getDefaultValue() const;
- protected:
- friend class DictSys;
- friend class DictTable;
- const ConnArea& m_connArea;
- const BaseString m_name;
- SqlType m_sqlType;
- unsigned m_position;
- DictTable* m_parent;
- bool m_key; // part of key
- bool m_tupleId; // the tuple id
- bool m_autoIncrement;
- const char* m_defaultValue;
- };
- inline
- DictColumn::DictColumn(const ConnArea& connArea, const BaseString& name, const SqlType& sqlType) :
- m_connArea(connArea),
- m_name(name),
- m_sqlType(sqlType),
- m_position(0),
- m_parent(0),
- m_key(false),
- m_tupleId(false),
- m_autoIncrement(false),
- m_defaultValue(0)
- {
- }
- inline const SqlType&
- DictColumn::sqlType() const
- {
- return m_sqlType;
- }
- inline void
- DictColumn::setPosition(unsigned position)
- {
- ctx_assert(position != 0);
- m_position = position;
- }
- inline unsigned
- DictColumn::getPosition() const
- {
- return m_position;
- }
- inline void
- DictColumn::setParent(DictTable* parent)
- {
- m_parent = parent;
- }
- inline DictTable*
- DictColumn::getParent() const
- {
- return m_parent;
- }
- inline const BaseString&
- DictColumn::getName() const
- {
- return m_name;
- }
- inline NdbAttrId
- DictColumn::getAttrId() const
- {
- ctx_assert(m_position != 0);
- return static_cast<NdbAttrId>(m_position - 1);
- }
- inline bool
- DictColumn::isKey() const
- {
- return m_key;
- }
- inline bool
- DictColumn::isTupleId() const
- {
- return m_tupleId;
- }
- inline bool
- DictColumn::isAutoIncrement() const
- {
- return m_autoIncrement;
- }
- inline const char*
- DictColumn::getDefaultValue() const
- {
- return m_defaultValue;
- }
- #endif