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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_FOREIGN_KEY_H
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#define DRIZZLED_FOREIGN_KEY_H
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#include <drizzled/sql_alloc.h> |
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#include <drizzled/key.h> |
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#include <drizzled/sql_list.h> |
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class Item; |
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934.2.20
by Jay Pipes
Move Foreign_key implementation into its own implementation file and out of session.cc |
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class Table_ident; |
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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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typedef struct st_mem_root MEM_ROOT; |
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class Foreign_key: public Key { |
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public: |
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934.2.20
by Jay Pipes
Move Foreign_key implementation into its own implementation file and out of session.cc |
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enum fk_match_opt |
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{
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FK_MATCH_UNDEF
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, FK_MATCH_FULL |
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, FK_MATCH_PARTIAL |
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, FK_MATCH_SIMPLE |
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};
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enum fk_option |
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{
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FK_OPTION_UNDEF
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, FK_OPTION_RESTRICT |
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, FK_OPTION_CASCADE |
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, FK_OPTION_SET_NULL |
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, FK_OPTION_NO_ACTION |
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, FK_OPTION_DEFAULT |
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};
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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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Table_ident *ref_table; |
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List<Key_part_spec> ref_columns; |
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uint32_t delete_opt, update_opt, match_opt; |
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934.2.20
by Jay Pipes
Move Foreign_key implementation into its own implementation file and out of session.cc |
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Foreign_key(const LEX_STRING &name_arg |
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, List<Key_part_spec> &cols |
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, Table_ident *table |
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, List<Key_part_spec> &ref_cols |
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, uint32_t delete_opt_arg |
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, uint32_t update_opt_arg |
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, uint32_t match_opt_arg) |
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:Key(FOREIGN_KEY |
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, name_arg |
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, &default_key_create_info |
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, 0 |
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, cols) |
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, ref_table(table) |
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, ref_columns(ref_cols) |
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, delete_opt(delete_opt_arg) |
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, update_opt(update_opt_arg) |
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, match_opt(match_opt_arg) |
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{}
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/**
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* Constructs an (almost) deep copy of this foreign key. Only those
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* elements that are known to never change are not copied.
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* If out of memory, a partial copy is returned and an error is set
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* in Session.
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*/
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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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Foreign_key(const Foreign_key &rhs, MEM_ROOT *mem_root); |
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/**
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934.2.20
by Jay Pipes
Move Foreign_key implementation into its own implementation file and out of session.cc |
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* Used to make a clone of this object for ALTER/CREATE TABLE
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*
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* @see comment for Key_part_spec::clone
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*/
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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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virtual Key *clone(MEM_ROOT *mem_root) const |
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934.2.20
by Jay Pipes
Move Foreign_key implementation into its own implementation file and out of session.cc |
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{
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return new (mem_root) Foreign_key(*this, mem_root); |
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}
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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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/* Used to validate foreign key options */
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bool validate(List<Create_field> &table_fields); |
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};
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#endif /* DRIZZLED_FOREIGN_KEY_H */ |