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/*****************************************************************************
Copyright (c) 1996, 2016, Oracle and/or its affiliates. All Rights Reserved.
Copyright (c) 2017, 2021, MariaDB Corporation.
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 Street, Fifth Floor, Boston, MA 02110-1335 USA
*****************************************************************************/
/**************************************************//**
@file include/dict0crea.h
Database object creation
Created 1/8/1996 Heikki Tuuri
*******************************************************/
#ifndef dict0crea_h
#define dict0crea_h
#include "dict0dict.h"
#include "que0types.h"
#include "row0types.h"
#include "mtr0mtr.h"
#include "fil0crypt.h"
/*********************************************************************//**
Creates a table create graph.
@return own: table create node */
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.
@param[in] index index to create, built as a memory data structure
@param[in] table table name
@param[in,out] heap heap where created
@param[in] mode encryption mode (for creating a table)
@param[in] key_id encryption key identifier (for creating a table)
@param[in] add_v new virtual columns added in the same clause with
add index
@return own: index create node */
ind_node_t*
ind_create_graph_create(
dict_index_t* index,
const char* table,
mem_heap_t* heap,
fil_encryption_t mode,
uint32_t key_id,
const dict_add_v_col_t* add_v = NULL);
/***********************************************************//**
Creates a table. This is a high-level function used in SQL execution graphs.
@return query thread to run next or NULL */
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 */
que_thr_t*
dict_create_index_step(
/*===================*/
que_thr_t* thr); /*!< in: query thread */
/***************************************************************//**
Builds an index definition but doesn't update sys_table.
@return DB_SUCCESS or error code */
void
dict_build_index_def(
/*=================*/
const dict_table_t* table, /*!< in: table */
dict_index_t* index, /*!< in/out: index */
trx_t* trx); /*!< in/out: InnoDB transaction
handle */
/***************************************************************//**
Creates an index tree for the index if it is not a member of a cluster.
Don't update SYSTEM TABLES.
@return DB_SUCCESS or DB_OUT_OF_FILE_SPACE */
dberr_t
dict_create_index_tree(
/*===================*/
dict_index_t* index, /*!< in/out: index */
const trx_t* trx); /*!< in: InnoDB transaction handle */
/** Drop the index tree associated with a row in SYS_INDEXES table.
@param[in,out] pcur persistent cursor on rec
@param[in,out] trx dictionary transaction
@param[in,out] mtr mini-transaction
@return tablespace ID to drop (if this is the clustered index)
@retval 0 if no tablespace is to be dropped */
uint32_t dict_drop_index_tree(btr_pcur_t *pcur, trx_t *trx, mtr_t *mtr)
MY_ATTRIBUTE((nonnull(1,3), warn_unused_result));
/***************************************************************//**
Creates an index tree for the index if it is not a member of a cluster.
Don't update SYSTEM TABLES.
@return error code */
dberr_t
dict_create_index_tree_in_mem(
/*==========================*/
dict_index_t* index, /*!< in/out: index */
const trx_t* trx); /*!< in: InnoDB transaction handle */
/********************************************************************//**
Generate a foreign key constraint name when it was not named by the user.
A generated constraint has a name of the format dbname/tablename_ibfk_NUMBER,
where the numbers start from 1, and are given locally for this table, that is,
the number is not global, as it used to be before MySQL 4.0.18. */
UNIV_INLINE
dberr_t
dict_create_add_foreign_id(
/*=======================*/
ulint* id_nr, /*!< in/out: number to use in id
generation; incremented if used */
const char* name, /*!< in: table name */
dict_foreign_t* foreign); /*!< in/out: foreign key */
/** Adds the given set of foreign key objects to the dictionary tables
in the database. This function does not modify the dictionary cache. The
caller must ensure that all foreign key objects contain a valid constraint
name in foreign->id.
@param[in] local_fk_set set of foreign key objects, to be added to
the dictionary tables
@param[in] table table to which the foreign key objects in
local_fk_set belong to
@param[in,out] trx transaction
@return error code or DB_SUCCESS */
dberr_t
dict_create_add_foreigns_to_dictionary(
/*===================================*/
const dict_foreign_set& local_fk_set,
const dict_table_t* table,
trx_t* trx)
MY_ATTRIBUTE((nonnull, warn_unused_result));
/** Check if a foreign constraint is on columns server as base columns
of any stored column. This is to prevent creating SET NULL or CASCADE
constraint on such columns
@param[in] local_fk_set set of foreign key objects, to be added to
the dictionary tables
@param[in] table table to which the foreign key objects in
local_fk_set belong to
@return true if yes, otherwise, false */
bool
dict_foreigns_has_s_base_col(
const dict_foreign_set& local_fk_set,
const dict_table_t* table);
/********************************************************************//**
Add a foreign key definition to the data dictionary tables.
@return error code or DB_SUCCESS */
dberr_t
dict_create_add_foreign_to_dictionary(
/*==================================*/
const char* name, /*!< in: table name */
const dict_foreign_t* foreign,/*!< in: foreign key */
trx_t* trx) /*!< in/out: dictionary transaction */
MY_ATTRIBUTE((nonnull, warn_unused_result));
/* Table create node structure */
struct tab_node_t{
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 */
ins_node_t* v_col_def; /*!< child node which does the inserts
of the sys_virtual row definitions;
the row to be inserted is built by
the parent node */
/*----------------------*/
/* Local storage for this graph node */
ulint state; /*!< node execution state */
ulint col_no; /*!< next column definition to insert */
ulint base_col_no; /*!< next base column 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_BUILD_V_COL_DEF 3
#define TABLE_ADD_TO_CACHE 4
#define TABLE_COMPLETED 5
/* Index create node struct */
struct ind_node_t{
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 */
const char* table_name; /*!< table name */
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 */
/*----------------------*/
/* Local storage for this graph node */
ulint state; /*!< node execution state */
uint32_t page_no; /* root page number of 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 */
uint key_id; /*!< encryption key_id */
fil_encryption_t mode; /*!< encryption mode */
const dict_add_v_col_t*
add_v; /*!< new virtual columns that being
added along with an add index call */
};
/** Compose a column number for a virtual column, stored in the "POS" field
of Sys_columns. The column number includes both its virtual column sequence
(the "nth" virtual column) and its actual column position in original table
@param[in] v_pos virtual column sequence
@param[in] col_pos column position in original table definition
@return composed column position number */
UNIV_INLINE
ulint
dict_create_v_col_pos(
ulint v_pos,
ulint col_pos);
/** Get the column number for a virtual column (the column position in
original table), stored in the "POS" field of Sys_columns
@param[in] pos virtual column position
@return column position in original table */
UNIV_INLINE
ulint
dict_get_v_col_mysql_pos(
ulint pos);
/** Get a virtual column sequence (the "nth" virtual column) for a
virtual column, stord in the "POS" field of Sys_columns
@param[in] pos virtual column position
@return virtual column sequence */
UNIV_INLINE
ulint
dict_get_v_col_pos(
ulint pos);
/* Index create node states */
#define INDEX_BUILD_INDEX_DEF 1
#define INDEX_BUILD_FIELD_DEF 2
#define INDEX_CREATE_INDEX_TREE 3
#define INDEX_ADD_TO_CACHE 4
#include "dict0crea.inl"
#endif
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