summaryrefslogtreecommitdiff
path: root/sql/ha_ndbcluster_binlog.h
blob: a297f80f6aba4969b763fd74f8d8fe05f3d66fcc (plain)
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
/* Copyright (C) 2000-2003 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; either version 2 of the License, or
  (at your option) any later version.

  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
*/

// Typedefs for long names
typedef NdbDictionary::Object NDBOBJ;
typedef NdbDictionary::Column NDBCOL;
typedef NdbDictionary::Table NDBTAB;
typedef NdbDictionary::Index  NDBINDEX;
typedef NdbDictionary::Dictionary  NDBDICT;
typedef NdbDictionary::Event  NDBEVENT;

#define IS_TMP_PREFIX(A) (is_prefix(A, tmp_file_prefix) || is_prefix(A, "@0023sql"))

extern ulong ndb_extra_logging;

#define INJECTOR_EVENT_LEN 200

/*
  The numbers below must not change as they
  are passed between mysql servers, and if changed
  would break compatablility.  Add new numbers to
  the end.
*/
enum SCHEMA_OP_TYPE
{
  SOT_DROP_TABLE= 0,
  SOT_CREATE_TABLE= 1,
  SOT_RENAME_TABLE= 2,
  SOT_ALTER_TABLE= 3,
  SOT_DROP_DB= 4,
  SOT_CREATE_DB= 5,
  SOT_ALTER_DB= 6,
  SOT_CLEAR_SLOCK= 7,
  SOT_TABLESPACE= 8,
  SOT_LOGFILE_GROUP= 9
};

const uint max_ndb_nodes= 64; /* multiple of 32 */

static const char *ha_ndb_ext=".ndb";
static const char share_prefix[]= "./";

#ifdef HAVE_NDB_BINLOG
extern pthread_t ndb_binlog_thread;
extern pthread_mutex_t injector_mutex;
extern pthread_cond_t  injector_cond;

extern unsigned char g_node_id_map[max_ndb_nodes];
extern handlerton ndbcluster_hton;
extern pthread_t ndb_util_thread;
extern pthread_mutex_t LOCK_ndb_util_thread;
extern pthread_cond_t COND_ndb_util_thread;
extern int ndbcluster_util_inited;
extern pthread_mutex_t ndbcluster_mutex;
extern HASH ndbcluster_open_tables;
extern Ndb_cluster_connection* g_ndb_cluster_connection;
extern long ndb_number_of_storage_nodes;

/*
  Initialize the binlog part of the ndb handlerton
*/
void ndbcluster_binlog_init_handlerton();
/*
  Initialize the binlog part of the NDB_SHARE
*/
void ndbcluster_binlog_init_share(NDB_SHARE *share, TABLE *table);

int ndbcluster_create_binlog_setup(Ndb *ndb, const char *key,
                                   uint key_len,
                                   const char *db,
                                   const char *table_name,
                                   my_bool share_may_exist);
int ndbcluster_create_event(Ndb *ndb, const NDBTAB *table,
                            const char *event_name, NDB_SHARE *share);
int ndbcluster_create_event_ops(NDB_SHARE *share,
                                const NDBTAB *ndbtab,
                                const char *event_name);
int ndbcluster_log_schema_op(THD *thd, NDB_SHARE *share,
                             const char *query, int query_length,
                             const char *db, const char *table_name,
                             uint32 ndb_table_id,
                             uint32 ndb_table_version,
                             enum SCHEMA_OP_TYPE type);
int ndbcluster_handle_drop_table(Ndb *ndb, const char *event_name,
                                 NDB_SHARE *share);
void ndb_rep_event_name(String *event_name,
                        const char *db, const char *tbl);
int ndb_create_table_from_engine(THD *thd, const char *db,
                                 const char *table_name);
int ndbcluster_binlog_start();
pthread_handler_t ndb_binlog_thread_func(void *arg);

/*
  table cluster_replication.apply_status
*/
void ndbcluster_setup_binlog_table_shares(THD *thd);
extern NDB_SHARE *apply_status_share;
extern NDB_SHARE *schema_share;

extern THD *injector_thd;
extern my_bool ndb_binlog_running;

bool
ndbcluster_show_status_binlog(THD* thd, stat_print_fn *stat_print,
                              enum ha_stat_type stat_type);

/*
  prototypes for ndb handler utility function also needed by
  the ndb binlog code
*/
int ndbcluster_find_all_files(THD *thd);
#endif /* HAVE_NDB_BINLOG */

void ndb_unpack_record(TABLE *table, NdbValue *value,
                       MY_BITMAP *defined, byte *buf);

NDB_SHARE *ndbcluster_get_share(const char *key,
                                TABLE *table,
                                bool create_if_not_exists,
                                bool have_lock);
NDB_SHARE *ndbcluster_get_share(NDB_SHARE *share);
void ndbcluster_free_share(NDB_SHARE **share, bool have_lock);
void ndbcluster_real_free_share(NDB_SHARE **share);
int handle_trailing_share(NDB_SHARE *share);
inline NDB_SHARE *get_share(const char *key,
                            TABLE *table,
                            bool create_if_not_exists= TRUE,
                            bool have_lock= FALSE)
{
  return ndbcluster_get_share(key, table, create_if_not_exists, have_lock);
}

inline NDB_SHARE *get_share(NDB_SHARE *share)
{
  return ndbcluster_get_share(share);
}

inline void free_share(NDB_SHARE **share, bool have_lock= FALSE)
{
  ndbcluster_free_share(share, have_lock);
}

inline void real_free_share(NDB_SHARE **share)
{
  ndbcluster_real_free_share(share);
}

inline
Thd_ndb *
get_thd_ndb(THD *thd) { return (Thd_ndb *) thd->ha_data[ndbcluster_hton.slot]; }

inline
void
set_thd_ndb(THD *thd, Thd_ndb *thd_ndb) { thd->ha_data[ndbcluster_hton.slot]= thd_ndb; }

Ndb* check_ndb_in_thd(THD* thd);