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66 lines
1.8 KiB
C++
66 lines
1.8 KiB
C++
/* Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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#ifndef SQL_ALTER_TABLE_H
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#define SQL_ALTER_TABLE_H
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/**
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Alter_table_common represents the common properties of the ALTER TABLE
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statements.
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@todo move Alter_info and other ALTER generic structures from Lex here.
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*/
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class Alter_table_common : public Sql_statement
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{
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protected:
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/**
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Constructor.
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@param lex the LEX structure for this statement.
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*/
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Alter_table_common(LEX *lex)
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: Sql_statement(lex)
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{}
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virtual ~Alter_table_common()
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{}
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};
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/**
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Alter_table_statement represents the generic ALTER TABLE statement.
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@todo move Alter_info and other ALTER specific structures from Lex here.
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*/
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class Alter_table_statement : public Alter_table_common
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{
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public:
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/**
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Constructor, used to represent a ALTER TABLE statement.
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@param lex the LEX structure for this statement.
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*/
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Alter_table_statement(LEX *lex)
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: Alter_table_common(lex)
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{}
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~Alter_table_statement()
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{}
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/**
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Execute a ALTER TABLE statement at runtime.
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@param thd the current thread.
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@return false on success.
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*/
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bool execute(THD *thd);
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};
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#endif
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