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
|
/* -*- C++ -*- */
/* Copyright (C) 2002 MySQL AB
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 */
#ifndef _SP_H_
#define _SP_H_
/* Tells what SP_DEFAULT_ACCESS should be mapped to */
#define SP_DEFAULT_ACCESS_MAPPING SP_CONTAINS_SQL
// Return codes from sp_create_*, sp_drop_*, and sp_show_*:
#define SP_OK 0
#define SP_KEY_NOT_FOUND -1
#define SP_OPEN_TABLE_FAILED -2
#define SP_WRITE_ROW_FAILED -3
#define SP_DELETE_ROW_FAILED -4
#define SP_GET_FIELD_FAILED -5
#define SP_PARSE_ERROR -6
#define SP_INTERNAL_ERROR -7
#define SP_NO_DB_ERROR -8
#define SP_BAD_IDENTIFIER -9
#define SP_BODY_TOO_LONG -10
#define SP_FLD_STORE_FAILED -11
/* DB storage of Stored PROCEDUREs and FUNCTIONs */
enum
{
MYSQL_PROC_FIELD_DB = 0,
MYSQL_PROC_FIELD_NAME,
MYSQL_PROC_MYSQL_TYPE,
MYSQL_PROC_FIELD_SPECIFIC_NAME,
MYSQL_PROC_FIELD_LANGUAGE,
MYSQL_PROC_FIELD_ACCESS,
MYSQL_PROC_FIELD_DETERMINISTIC,
MYSQL_PROC_FIELD_SECURITY_TYPE,
MYSQL_PROC_FIELD_PARAM_LIST,
MYSQL_PROC_FIELD_RETURNS,
MYSQL_PROC_FIELD_BODY,
MYSQL_PROC_FIELD_DEFINER,
MYSQL_PROC_FIELD_CREATED,
MYSQL_PROC_FIELD_MODIFIED,
MYSQL_PROC_FIELD_SQL_MODE,
MYSQL_PROC_FIELD_COMMENT,
MYSQL_PROC_FIELD_CHARACTER_SET_CLIENT,
MYSQL_PROC_FIELD_COLLATION_CONNECTION,
MYSQL_PROC_FIELD_DB_COLLATION,
MYSQL_PROC_FIELD_BODY_UTF8,
MYSQL_PROC_FIELD_COUNT
};
/* Drop all routines in database 'db' */
int
sp_drop_db_routines(THD *thd, char *db);
sp_head *
sp_find_routine(THD *thd, int type, sp_name *name,
sp_cache **cp, bool cache_only);
int
sp_cache_routine(THD *thd, Sroutine_hash_entry *rt,
bool lookup_only, sp_head **sp);
int
sp_cache_routine(THD *thd, int type, sp_name *name,
bool lookup_only, sp_head **sp);
bool
sp_exist_routines(THD *thd, TABLE_LIST *procs, bool any);
int
sp_routine_exists_in_table(THD *thd, int type, sp_name *name);
bool
sp_show_create_routine(THD *thd, int type, sp_name *name);
int
sp_create_routine(THD *thd, int type, sp_head *sp);
int
sp_update_routine(THD *thd, int type, sp_name *name, st_sp_chistics *chistics);
int
sp_drop_routine(THD *thd, int type, sp_name *name);
/**
Structure that represents element in the set of stored routines
used by statement or routine.
*/
class Sroutine_hash_entry
{
public:
/**
Metadata lock request for routine.
MDL_key in this request is also used as a key for set.
*/
MDL_request mdl_request;
/**
Next element in list linking all routines in set. See also comments
for LEX::sroutine/sroutine_list and sp_head::m_sroutines.
*/
Sroutine_hash_entry *next;
/**
Uppermost view which directly or indirectly uses this routine.
0 if routine is not used in view. Note that it also can be 0 if
statement uses routine both via view and directly.
*/
TABLE_LIST *belong_to_view;
/**
This is for prepared statement validation purposes.
A statement looks up and pre-loads all its stored functions
at prepare. Later on, if a function is gone from the cache,
execute may fail.
Remember the version of sp_head at prepare to be able to
invalidate the prepared statement at execute if it
changes.
*/
ulong m_sp_cache_version;
};
/*
Procedures for handling sets of stored routines used by statement or routine.
*/
void sp_add_used_routine(Query_tables_list *prelocking_ctx, Query_arena *arena,
sp_name *rt, char rt_type);
bool sp_add_used_routine(Query_tables_list *prelocking_ctx, Query_arena *arena,
const MDL_key *key, TABLE_LIST *belong_to_view);
void sp_remove_not_own_routines(Query_tables_list *prelocking_ctx);
bool sp_update_sp_used_routines(HASH *dst, HASH *src);
void sp_update_stmt_used_routines(THD *thd, Query_tables_list *prelocking_ctx,
HASH *src, TABLE_LIST *belong_to_view);
void sp_update_stmt_used_routines(THD *thd, Query_tables_list *prelocking_ctx,
SQL_LIST *src, TABLE_LIST *belong_to_view);
extern "C" uchar* sp_sroutine_key(const uchar *ptr, size_t *plen,
my_bool first);
/*
Routines which allow open/lock and close mysql.proc table even when
we already have some tables open and locked.
*/
TABLE *open_proc_table_for_read(THD *thd, Open_tables_backup *backup);
sp_head *
sp_load_for_information_schema(THD *thd, TABLE *proc_table, String *db,
String *name, ulong sql_mode, int type,
const char *returns, const char *params,
bool *free_sp_head);
#endif /* _SP_H_ */
|
