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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., 59 Temple
Place, Suite 330, Boston, MA 02111-1307 USA
*****************************************************************************/
/**************************************************//**
@file include/dict0crea.h
Database object creation
Created 1/8/1996 Heikki Tuuri
*******************************************************/
#ifndef dict0crea_h
#define dict0crea_h
#include "univ.i"
#include "dict0types.h"
#include "dict0dict.h"
#include "que0types.h"
#include "row0types.h"
#include "mtr0mtr.h"
/*********************************************************************//**
Creates a table create graph.
@return own: table create node */
UNIV_INTERN
tab_node_t*
tab_create_graph_create(
/*====================*/
dict_table_t* table, /*!< in: table to create, built as a memory data
structure */
mem_heap_t* heap); /*!< in: heap where created */
/*********************************************************************//**
Creates an index create graph.
@return own: index create node */
UNIV_INTERN
ind_node_t*
ind_create_graph_create(
/*====================*/
dict_index_t* index, /*!< in: index to create, built as a memory data
structure */
mem_heap_t* heap); /*!< in: heap where created */
/***********************************************************//**
Creates a table. This is a high-level function used in SQL execution graphs.
@return query thread to run next or NULL */
UNIV_INTERN
que_thr_t*
dict_create_table_step(
/*===================*/
que_thr_t* thr); /*!< in: query thread */
/***********************************************************//**
Creates an index. This is a high-level function used in SQL execution
graphs.
@return query thread to run next or NULL */
UNIV_INTERN
que_thr_t*
dict_create_index_step(
/*===================*/
que_thr_t* thr); /*!< in: query thread */
/*******************************************************************//**
Truncates the index tree associated with a row in SYS_INDEXES table.
@return new root page number, or FIL_NULL on failure */
UNIV_INTERN
ulint
dict_truncate_index_tree(
/*=====================*/
dict_table_t* table, /*!< in: the table the index belongs to */
ulint space, /*!< in: 0=truncate,
nonzero=create the index tree in the
given tablespace */
btr_pcur_t* pcur, /*!< in/out: persistent cursor pointing to
record in the clustered index of
SYS_INDEXES table. The cursor may be
repositioned in this call. */
mtr_t* mtr); /*!< in: mtr having the latch
on the record page. The mtr may be
committed and restarted in this call. */
/*******************************************************************//**
Drops the index tree associated with a row in SYS_INDEXES table. */
UNIV_INTERN
void
dict_drop_index_tree(
/*=================*/
rec_t* rec, /*!< in/out: record in the clustered index
of SYS_INDEXES table */
mtr_t* mtr); /*!< in: mtr having the latch on the record page */
/****************************************************************//**
Creates the foreign key constraints system tables inside InnoDB
at database creation or database start if they are not found or are
not of the right form.
@return DB_SUCCESS or error code */
UNIV_INTERN
ulint
dict_create_or_check_foreign_constraint_tables(void);
/*================================================*/
/********************************************************************//**
Adds foreign key definitions to data dictionary tables in the database. We
look at table->foreign_list, and also generate names to constraints that were
not named by the user. A generated constraint has a name of the format
databasename/tablename_ibfk_NUMBER, where the numbers start from 1, and are
given locally for this table, that is, the number is not global, as in the
old format constraints < 4.0.18 it used to be.
@return error code or DB_SUCCESS */
UNIV_INTERN
ulint
dict_create_add_foreigns_to_dictionary(
/*===================================*/
ulint start_id,/*!< in: if we are actually doing ALTER TABLE
ADD CONSTRAINT, we want to generate constraint
numbers which are bigger than in the table so
far; we number the constraints from
start_id + 1 up; start_id should be set to 0 if
we are creating a new table, or if the table
so far has no constraints for which the name
was generated here */
dict_table_t* table, /*!< in: table */
trx_t* trx); /*!< in: transaction */
/* Table create node structure */
struct tab_node_struct{
que_common_t common; /*!< node type: QUE_NODE_TABLE_CREATE */
dict_table_t* table; /*!< table to create, built as a memory data
structure with dict_mem_... functions */
ins_node_t* tab_def; /* child node which does the insert of
the table definition; the row to be inserted
is built by the parent node */
ins_node_t* col_def; /* child node which does the inserts of
the column definitions; the row to be inserted
is built by the parent node */
commit_node_t* commit_node;
/* child node which performs a commit after
a successful table creation */
/*----------------------*/
/* Local storage for this graph node */
ulint state; /*!< node execution state */
ulint col_no; /*!< next column definition to insert */
mem_heap_t* heap; /*!< memory heap used as auxiliary storage */
};
/* Table create node states */
#define TABLE_BUILD_TABLE_DEF 1
#define TABLE_BUILD_COL_DEF 2
#define TABLE_COMMIT_WORK 3
#define TABLE_ADD_TO_CACHE 4
#define TABLE_COMPLETED 5
/* Index create node struct */
struct ind_node_struct{
que_common_t common; /*!< node type: QUE_NODE_INDEX_CREATE */
dict_index_t* index; /*!< index to create, built as a memory data
structure with dict_mem_... functions */
ins_node_t* ind_def; /* child node which does the insert of
the index definition; the row to be inserted
is built by the parent node */
ins_node_t* field_def; /* child node which does the inserts of
the field definitions; the row to be inserted
is built by the parent node */
commit_node_t* commit_node;
/* child node which performs a commit after
a successful index creation */
/*----------------------*/
/* Local storage for this graph node */
ulint state; /*!< node execution state */
ulint page_no;/* root page number of the index */
dict_table_t* table; /*!< table which owns the index */
dtuple_t* ind_row;/* index definition row built */
ulint field_no;/* next field definition to insert */
mem_heap_t* heap; /*!< memory heap used as auxiliary storage */
};
/* Index create node states */
#define INDEX_BUILD_INDEX_DEF 1
#define INDEX_BUILD_FIELD_DEF 2
#define INDEX_CREATE_INDEX_TREE 3
#define INDEX_COMMIT_WORK 4
#define INDEX_ADD_TO_CACHE 5
#ifndef UNIV_NONINL
#include "dict0crea.ic"
#endif
#endif
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