1
1
/*****************************************************************************
3
Copyright (c) 1996, 2010, Innobase Oy. All Rights Reserved.
3
Copyright (C) 1996, 2010, Innobase Oy. All Rights Reserved.
5
5
This program is free software; you can redistribute it and/or modify it under
6
6
the terms of the GNU General Public License as published by the Free Software
52
52
dict_hdr_get_new_id(
53
53
/*================*/
54
dulint* table_id, /*!< out: table id (not assigned if NULL) */
55
dulint* index_id, /*!< out: index id (not assigned if NULL) */
56
ulint* space_id); /*!< out: space id (not assigned if NULL) */
54
table_id_t* table_id, /*!< out: table id
55
(not assigned if NULL) */
56
index_id_t* index_id, /*!< out: index id
57
(not assigned if NULL) */
58
ulint* space_id); /*!< out: space id
59
(not assigned if NULL) */
57
60
/**********************************************************************//**
58
61
Returns a new row id.
59
62
@return the new id */
62
65
dict_sys_get_new_row_id(void);
63
66
/*=========================*/
64
67
/**********************************************************************//**
65
68
Reads a row id from a record or other 6-byte stored form.
69
72
dict_sys_read_row_id(
70
73
/*=================*/
71
byte* field); /*!< in: record field */
74
const byte* field); /*!< in: record field */
72
75
/**********************************************************************//**
73
76
Writes a row id to a record or other 6-byte stored form. */
76
79
dict_sys_write_row_id(
77
80
/*==================*/
78
byte* field, /*!< in: record field */
79
dulint row_id);/*!< in: row id */
81
byte* field, /*!< in: record field */
82
row_id_t row_id);/*!< in: row id */
80
83
/*****************************************************************//**
81
84
Initializes the data dictionary memory structures when the database is
82
85
started. This function is also called when the data dictionary is created. */
97
100
#define DICT_HDR_PAGE_NO FSP_DICT_HDR_PAGE_NO
99
102
/* The ids for the basic system tables and their indexes */
100
#define DICT_TABLES_ID ut_dulint_create(0, 1)
101
#define DICT_COLUMNS_ID ut_dulint_create(0, 2)
102
#define DICT_INDEXES_ID ut_dulint_create(0, 3)
103
#define DICT_FIELDS_ID ut_dulint_create(0, 4)
103
#define DICT_TABLES_ID 1
104
#define DICT_COLUMNS_ID 2
105
#define DICT_INDEXES_ID 3
106
#define DICT_FIELDS_ID 4
104
107
/* The following is a secondary index on SYS_TABLES */
105
#define DICT_TABLE_IDS_ID ut_dulint_create(0, 5)
108
#define DICT_TABLE_IDS_ID 5
107
110
#define DICT_HDR_FIRST_ID 10 /* the ids for tables etc. start
108
111
from this number, except for basic
110
113
indexes; ibuf tables and indexes are
111
114
assigned as the id the number
112
115
DICT_IBUF_ID_MIN plus the space id */
113
#define DICT_IBUF_ID_MIN ut_dulint_create(0xFFFFFFFFUL, 0)
116
#define DICT_IBUF_ID_MIN 0xFFFFFFFF00000000ULL
115
118
/* The offset of the dictionary header on the page */
116
119
#define DICT_HDR FSEG_PAGE_DATA