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/*****************************************************************************
Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved.
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; version 2 of the License.
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., 51 Franklin
St, Fifth Floor, Boston, MA 02110-1301 USA
*****************************************************************************/
/**************************************************//**
@file include/dict0load.h
Loads to the memory cache database object definitions
from dictionary tables
Created 4/24/1996 Heikki Tuuri
*******************************************************/
#ifndef dict0load_h
#define dict0load_h
#include "univ.i"
#include "dict0types.h"
#include "ut0byte.h"
#include "mem0mem.h"
/********************************************************************//**
In a crash recovery we already have all the tablespace objects created.
This function compares the space id information in the InnoDB data dictionary
to what we already read with fil_load_single_table_tablespaces().
In a normal startup, we create the tablespace objects for every table in
InnoDB's data dictionary, if the corresponding .ibd file exists.
We also scan the biggest space id, and store it to fil_system. */
UNIV_INTERN
void
dict_check_tablespaces_and_store_max_id(
/*====================================*/
ibool in_crash_recovery); /*!< in: are we doing a crash recovery */
/********************************************************************//**
Finds the first table name in the given database.
@return own: table name, NULL if does not exist; the caller must free
the memory in the string! */
UNIV_INTERN
char*
dict_get_first_table_name_in_db(
/*============================*/
const char* name); /*!< in: database name which ends to '/' */
/********************************************************************//**
Loads a table definition and also all its index definitions, and also
the cluster definition if the table is a member in a cluster. Also loads
all foreign key constraints where the foreign key is in the table or where
a foreign key references columns in this table.
@return table, NULL if does not exist; if the table is stored in an
.ibd file, but the file does not exist, then we set the
ibd_file_missing flag TRUE in the table object we return */
UNIV_INTERN
dict_table_t*
dict_load_table(
/*============*/
const char* name); /*!< in: table name in the
databasename/tablename format */
/***********************************************************************//**
Loads a table object based on the table id.
@return table; NULL if table does not exist */
UNIV_INTERN
dict_table_t*
dict_load_table_on_id(
/*==================*/
dulint table_id); /*!< in: table id */
/********************************************************************//**
This function is called when the database is booted.
Loads system table index definitions except for the clustered index which
is added to the dictionary cache at booting before calling this function. */
UNIV_INTERN
void
dict_load_sys_table(
/*================*/
dict_table_t* table); /*!< in: system table */
/***********************************************************************//**
Loads foreign key constraints where the table is either the foreign key
holder or where the table is referenced by a foreign key. Adds these
constraints to the data dictionary. Note that we know that the dictionary
cache already contains all constraints where the other relevant table is
already in the dictionary cache.
@return DB_SUCCESS or error code */
UNIV_INTERN
ulint
dict_load_foreigns(
/*===============*/
const char* table_name, /*!< in: table name */
ibool check_charsets);/*!< in: TRUE=check charsets
compatibility */
/********************************************************************//**
Prints to the standard output information on all tables found in the data
dictionary system table. */
UNIV_INTERN
void
dict_print(void);
/*============*/
typedef void (*dict_print_callback)(void *ptr, const char *);
UNIV_INTERN void dict_print_with_callback(dict_print_callback, void *);
#ifndef UNIV_NONINL
#include "dict0load.ic"
#endif
#endif
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