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/*********************************
comments to Doxygen /** style like this:
/*****************************//**
This conversion was performed by the following command:
perl -i -e 'while(<ARGV>){if (m|^/\*{30}\**$|) {
s|\*{4}$|//**| if ++$com>1; $_ .= "\@file $ARGV\n" if $com==2}
print; if(eof){$.=0;undef $com}}' */*[ch] include/univ.i
115 lines
4.4 KiB
C
115 lines
4.4 KiB
C
/*****************************************************************************
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Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved.
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place, Suite 330, Boston, MA 02111-1307 USA
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*****************************************************************************/
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/**************************************************//**
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@file include/dict0load.h
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Loads to the memory cache database object definitions
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from dictionary tables
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Created 4/24/1996 Heikki Tuuri
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*******************************************************/
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#ifndef dict0load_h
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#define dict0load_h
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#include "univ.i"
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#include "dict0types.h"
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#include "ut0byte.h"
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#include "mem0mem.h"
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/********************************************************************//**
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In a crash recovery we already have all the tablespace objects created.
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This function compares the space id information in the InnoDB data dictionary
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to what we already read with fil_load_single_table_tablespaces().
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In a normal startup, we create the tablespace objects for every table in
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InnoDB's data dictionary, if the corresponding .ibd file exists.
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We also scan the biggest space id, and store it to fil_system. */
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UNIV_INTERN
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void
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dict_check_tablespaces_and_store_max_id(
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/*====================================*/
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ibool in_crash_recovery); /*!< in: are we doing a crash recovery */
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/********************************************************************//**
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Finds the first table name in the given database.
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@return own: table name, NULL if does not exist; the caller must free
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the memory in the string! */
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UNIV_INTERN
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char*
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dict_get_first_table_name_in_db(
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/*============================*/
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const char* name); /*!< in: database name which ends to '/' */
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/********************************************************************//**
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Loads a table definition and also all its index definitions, and also
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the cluster definition if the table is a member in a cluster. Also loads
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all foreign key constraints where the foreign key is in the table or where
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a foreign key references columns in this table.
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@return table, NULL if does not exist; if the table is stored in an
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.ibd file, but the file does not exist, then we set the
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ibd_file_missing flag TRUE in the table object we return */
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UNIV_INTERN
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dict_table_t*
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dict_load_table(
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/*============*/
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const char* name); /*!< in: table name in the
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databasename/tablename format */
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/***********************************************************************//**
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Loads a table object based on the table id.
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@return table; NULL if table does not exist */
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UNIV_INTERN
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dict_table_t*
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dict_load_table_on_id(
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/*==================*/
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dulint table_id); /*!< in: table id */
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/********************************************************************//**
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This function is called when the database is booted.
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Loads system table index definitions except for the clustered index which
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is added to the dictionary cache at booting before calling this function. */
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UNIV_INTERN
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void
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dict_load_sys_table(
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/*================*/
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dict_table_t* table); /*!< in: system table */
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/***********************************************************************//**
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Loads foreign key constraints where the table is either the foreign key
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holder or where the table is referenced by a foreign key. Adds these
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constraints to the data dictionary. Note that we know that the dictionary
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cache already contains all constraints where the other relevant table is
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already in the dictionary cache.
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@return DB_SUCCESS or error code */
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UNIV_INTERN
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ulint
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dict_load_foreigns(
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/*===============*/
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const char* table_name, /*!< in: table name */
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ibool check_charsets);/*!< in: TRUE=check charsets
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compatibility */
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/********************************************************************//**
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Prints to the standard output information on all tables found in the data
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dictionary system table. */
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UNIV_INTERN
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void
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dict_print(void);
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/*============*/
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#ifndef UNIV_NONINL
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#include "dict0load.ic"
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#endif
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#endif
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