1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
|
/******************************************************
Database object creation
(c) 1996 Innobase Oy
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. */
tab_node_t*
tab_create_graph_create(
/*====================*/
/* out, own: table create node */
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. */
ind_node_t*
ind_create_graph_create(
/*====================*/
/* out, own: index create node */
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. */
que_thr_t*
dict_create_table_step(
/*===================*/
/* out: query thread to run next or NULL */
que_thr_t* thr); /* in: query thread */
/***************************************************************
Creates an index. This is a high-level function used in SQL execution
graphs. */
que_thr_t*
dict_create_index_step(
/*===================*/
/* out: query thread to run next or NULL */
que_thr_t* thr); /* in: query thread */
/***********************************************************************
Truncates the index tree associated with a row in SYS_INDEXES table. */
ulint
dict_truncate_index_tree(
/*=====================*/
/* out: new root page number, or
FIL_NULL on failure */
dict_table_t* table, /* in: the table the index belongs to */
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. */
void
dict_drop_index_tree(
/*=================*/
rec_t* rec, /* in: 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. */
ulint
dict_create_or_check_foreign_constraint_tables(void);
/*================================================*/
/* out: DB_SUCCESS or error code */
/************************************************************************
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. */
ulint
dict_create_add_foreigns_to_dictionary(
/*===================================*/
/* out: error code or DB_SUCCESS */
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
|