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584.1.15
by Monty Taylor
The mega-patch from hell. Renamed sql_class to session (since that's what it is) and removed it and field and table from common_includes. |
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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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*
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* Copyright (C) 2008 Sun Microsystems
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*
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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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*
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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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*
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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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*/
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#ifndef DRIZZLED_KEY_H
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#define DRIZZLED_KEY_H
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#include <drizzled/sql_alloc.h> |
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#include <drizzled/key_part_spec.h> |
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#include <drizzled/sql_list.h> |
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#include <drizzled/lex_string.h> |
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#include <drizzled/handler_structs.h> |
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class Item; |
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typedef struct st_mem_root MEM_ROOT; |
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class Key :public Sql_alloc { |
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public: |
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enum Keytype { PRIMARY, UNIQUE, MULTIPLE, FOREIGN_KEY}; |
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enum Keytype type; |
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KEY_CREATE_INFO key_create_info; |
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List<Key_part_spec> columns; |
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LEX_STRING name; |
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bool generated; |
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Key(enum Keytype type_par, const LEX_STRING &name_arg, |
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KEY_CREATE_INFO *key_info_arg, |
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bool generated_arg, List<Key_part_spec> &cols) |
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:type(type_par), key_create_info(*key_info_arg), columns(cols), |
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name(name_arg), generated(generated_arg) |
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{}
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Key(enum Keytype type_par, const char *name_arg, size_t name_len_arg, |
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KEY_CREATE_INFO *key_info_arg, bool generated_arg, |
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List<Key_part_spec> &cols) |
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:type(type_par), key_create_info(*key_info_arg), columns(cols), |
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generated(generated_arg) |
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{
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name.str= (char *)name_arg; |
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name.length= name_len_arg; |
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}
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Key(const Key &rhs, MEM_ROOT *mem_root); |
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virtual ~Key() {} |
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/* Equality comparison of keys (ignoring name) */
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friend bool foreign_key_prefix(Key *a, Key *b); |
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/**
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Used to make a clone of this object for ALTER/CREATE TABLE
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@sa comment for Key_part_spec::clone
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*/
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virtual Key *clone(MEM_ROOT *mem_root) const |
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{ return new (mem_root) Key(*this, mem_root); } |
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};
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#endif /* DRIZZLED_KEY_H */ |