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#ifndef HA_NDBCLUSTER_BINLOG_INCLUDED
#define HA_NDBCLUSTER_BINLOG_INCLUDED
/* Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
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 St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "sql_class.h" /* THD */
// 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))
#define INJECTOR_EVENT_LEN 200
#define NDB_INVALID_SCHEMA_OBJECT 241
/* server id's with high bit set is reservered */
#define NDB_ANYVALUE_FOR_NOLOGGING 0xFFFFFFFF
#define NDB_ANYVALUE_RESERVED 0x80000000
extern handlerton *ndbcluster_hton;
/*
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_NEW= 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,
SOT_RENAME_TABLE= 10,
SOT_TRUNCATE_TABLE= 11
};
const uint max_ndb_nodes= 64; /* multiple of 32 */
static const char *ha_ndb_ext=".ndb";
static const char share_prefix[]= "./";
class Ndb_table_guard
{
public:
Ndb_table_guard(NDBDICT *dict, const char *tabname)
: m_dict(dict)
{
DBUG_ENTER("Ndb_table_guard");
m_ndbtab= m_dict->getTableGlobal(tabname);
m_invalidate= 0;
DBUG_PRINT("info", ("m_ndbtab: %p", m_ndbtab));
DBUG_VOID_RETURN;
}
~Ndb_table_guard()
{
DBUG_ENTER("~Ndb_table_guard");
if (m_ndbtab)
{
DBUG_PRINT("info", ("m_ndbtab: %p m_invalidate: %d",
m_ndbtab, m_invalidate));
m_dict->removeTableGlobal(*m_ndbtab, m_invalidate);
}
DBUG_VOID_RETURN;
}
const NDBTAB *get_table() { return m_ndbtab; }
void invalidate() { m_invalidate= 1; }
const NDBTAB *release()
{
DBUG_ENTER("Ndb_table_guard::release");
const NDBTAB *tmp= m_ndbtab;
DBUG_PRINT("info", ("m_ndbtab: %p", m_ndbtab));
m_ndbtab = 0;
DBUG_RETURN(tmp);
}
private:
const NDBTAB *m_ndbtab;
NDBDICT *m_dict;
int m_invalidate;
};
#ifdef HAVE_NDB_BINLOG
#ifdef HAVE_PSI_INTERFACE
extern PSI_mutex_key key_injector_mutex, key_ndb_schema_share_mutex,
key_ndb_schema_object_mutex;
extern PSI_cond_key key_injector_cond;
extern PSI_thread_key key_thread_ndb_binlog;
#endif /* HAVE_PSI_INTERFACE */
extern pthread_t ndb_binlog_thread;
extern mysql_mutex_t injector_mutex;
extern mysql_cond_t injector_cond;
extern unsigned char g_node_id_map[max_ndb_nodes];
extern pthread_t ndb_util_thread;
extern mysql_mutex_t LOCK_ndb_util_thread;
extern mysql_cond_t COND_ndb_util_thread;
extern int ndbcluster_util_inited;
extern mysql_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
*/
int ndbcluster_binlog_init_share(NDB_SHARE *share, TABLE *table);
bool ndbcluster_check_if_local_table(const char *dbname, const char *tabname);
bool ndbcluster_check_if_local_tables_in_db(THD *thd, const char *dbname);
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 push_warning= 0);
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,
const char *new_db,
const char *new_table_name);
int ndbcluster_handle_drop_table(Ndb *ndb, const char *event_name,
NDB_SHARE *share,
const char *type_str);
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 mysql.ndb_apply_status
*/
int ndbcluster_setup_binlog_table_shares(THD *thd);
extern NDB_SHARE *ndb_apply_status_share;
extern NDB_SHARE *ndb_schema_share;
extern THD *injector_thd;
extern my_bool ndb_binlog_running;
extern my_bool ndb_binlog_tables_inited;
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 cmp_frm(const NDBTAB *ndbtab, const void *pack_data,
uint pack_length);
int ndbcluster_find_all_files(THD *thd);
#endif /* HAVE_NDB_BINLOG */
void ndb_unpack_record(TABLE *table, NdbValue *value,
MY_BITMAP *defined, uchar *buf);
char *ndb_pack_varchar(const NDBCOL *col, char *buf,
const char *str, int sz);
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
Thd_ndb *
get_thd_ndb(THD *thd)
{ return (Thd_ndb *) thd_get_ha_data(thd, ndbcluster_hton); }
inline
void
set_thd_ndb(THD *thd, Thd_ndb *thd_ndb)
{ thd_set_ha_data(thd, ndbcluster_hton, thd_ndb); }
Ndb* check_ndb_in_thd(THD* thd);
#endif /* HA_NDBCLUSTER_BINLOG_INCLUDED */
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