mirror of
https://github.com/MariaDB/server.git
synced 2025-07-29 05:21:33 +03:00
Merge janus.mylan:/usr/home/serg/Abk/mysql-5.1
into janus.mylan:/usr/home/serg/Abk/mysql-maria include/my_sys.h: Auto merged mysql-test/lib/mtr_cases.pl: Auto merged mysql-test/lib/mtr_misc.pl: Auto merged mysql-test/mysql-test-run.pl: Auto merged mysql-test/r/ps_2myisam.result: Auto merged mysql-test/r/ps_3innodb.result: Auto merged mysql-test/r/ps_4heap.result: Auto merged mysql-test/r/ps_5merge.result: Auto merged mysql-test/r/query_cache.result: Auto merged mysql-test/r/subselect.result: Auto merged mysql-test/r/view.result: Auto merged mysql-test/suite/binlog/r/binlog_unsafe.result: Auto merged mysql-test/suite/binlog/t/binlog_unsafe.test: Auto merged mysql-test/suite/ndb/r/ps_7ndb.result: Auto merged mysql-test/suite/rpl/r/rpl_switch_stm_row_mixed.result: Auto merged mysql-test/suite/rpl/t/rpl_insert.test: Auto merged mysql-test/suite/rpl/t/rpl_switch_stm_row_mixed.test: Auto merged mysql-test/t/disabled.def: Auto merged mysql-test/t/query_cache.test: Auto merged mysql-test/t/subselect.test: Auto merged mysql-test/t/view.test: Auto merged sql/field.h: Auto merged sql/filesort.cc: Auto merged sql/ha_partition.cc: Auto merged sql/handler.cc: Auto merged sql/item_func.cc: Auto merged sql/item_strfunc.h: Auto merged sql/log.cc: Auto merged sql/mysql_priv.h: Auto merged sql/opt_range.cc: Auto merged sql/set_var.cc: Auto merged sql/set_var.h: Auto merged sql/slave.cc: Auto merged sql/slave.h: Auto merged sql/sp_head.cc: Auto merged sql/sql_class.cc: Auto merged sql/sql_class.h: Auto merged sql/sql_delete.cc: Auto merged sql/sql_insert.cc: Auto merged sql/sql_parse.cc: Auto merged sql/sql_show.cc: Auto merged sql/sql_table.cc: Auto merged sql/sql_union.cc: Auto merged sql/sql_update.cc: Auto merged sql/sql_yacc.yy: Auto merged sql/unireg.cc: Auto merged sql/share/errmsg.txt: Auto merged storage/myisam/ft_boolean_search.c: Auto merged storage/myisam/ha_myisam.cc: Auto merged storage/myisam/sort.c: Auto merged sql/log_event_old.h: SCCS merged BitKeeper/triggers/post-commit: merged client/mysqldump.c: merged configure.in: merged client/mysqltest.c: merged include/Makefile.am: merged include/atomic/nolock.h: merged mysql-test/lib/mtr_report.pl: merged sql/handler.h: merged sql/mysqld.cc: merged sql/sql_select.cc: merged
This commit is contained in:
unknown
246
sql/handler.h
246
sql/handler.h
@ -967,10 +967,6 @@ uint calculate_key_len(TABLE *, uint, const uchar *, key_part_map);
|
||||
|
||||
class handler :public Sql_alloc
|
||||
{
|
||||
friend class ha_partition;
|
||||
friend int ha_delete_table(THD*,handlerton*,const char*,const char*,
|
||||
const char*,bool);
|
||||
|
||||
public:
|
||||
typedef ulonglong Table_flags;
|
||||
protected:
|
||||
@ -1118,6 +1114,40 @@ public:
|
||||
estimation_rows_to_insert= 0;
|
||||
return end_bulk_insert();
|
||||
}
|
||||
int ha_bulk_update_row(const uchar *old_data, uchar *new_data,
|
||||
uint *dup_key_found);
|
||||
int ha_delete_all_rows();
|
||||
int ha_reset_auto_increment(ulonglong value);
|
||||
int ha_backup(THD* thd, HA_CHECK_OPT* check_opt);
|
||||
int ha_restore(THD* thd, HA_CHECK_OPT* check_opt);
|
||||
int ha_optimize(THD* thd, HA_CHECK_OPT* check_opt);
|
||||
int ha_analyze(THD* thd, HA_CHECK_OPT* check_opt);
|
||||
bool ha_check_and_repair(THD *thd);
|
||||
int ha_disable_indexes(uint mode);
|
||||
int ha_enable_indexes(uint mode);
|
||||
int ha_discard_or_import_tablespace(my_bool discard);
|
||||
void ha_prepare_for_alter();
|
||||
int ha_rename_table(const char *from, const char *to);
|
||||
int ha_delete_table(const char *name);
|
||||
void ha_drop_table(const char *name);
|
||||
|
||||
int ha_create(const char *name, TABLE *form, HA_CREATE_INFO *info);
|
||||
|
||||
int ha_create_handler_files(const char *name, const char *old_name,
|
||||
int action_flag, HA_CREATE_INFO *info);
|
||||
|
||||
int ha_change_partitions(HA_CREATE_INFO *create_info,
|
||||
const char *path,
|
||||
ulonglong *copied,
|
||||
ulonglong *deleted,
|
||||
const uchar *pack_frm_data,
|
||||
size_t pack_frm_len);
|
||||
int ha_drop_partitions(const char *path);
|
||||
int ha_rename_partitions(const char *path);
|
||||
int ha_optimize_partitions(THD *thd);
|
||||
int ha_analyze_partitions(THD *thd);
|
||||
int ha_check_partitions(THD *thd);
|
||||
int ha_repair_partitions(THD *thd);
|
||||
|
||||
void adjust_next_insert_id_after_explicit_value(ulonglong nr);
|
||||
int update_auto_increment();
|
||||
@ -1203,25 +1233,6 @@ public:
|
||||
@retval 1 Bulk delete not used, normal operation used
|
||||
*/
|
||||
virtual bool start_bulk_delete() { return 1; }
|
||||
/**
|
||||
This method is similar to update_row, however the handler doesn't need
|
||||
to execute the updates at this point in time. The handler can be certain
|
||||
that another call to bulk_update_row will occur OR a call to
|
||||
exec_bulk_update before the set of updates in this query is concluded.
|
||||
|
||||
@param old_data Old record
|
||||
@param new_data New record
|
||||
@param dup_key_found Number of duplicate keys found
|
||||
|
||||
@retval 0 Bulk delete used by handler
|
||||
@retval 1 Bulk delete not used, normal operation used
|
||||
*/
|
||||
virtual int bulk_update_row(const uchar *old_data, uchar *new_data,
|
||||
uint *dup_key_found)
|
||||
{
|
||||
DBUG_ASSERT(FALSE);
|
||||
return HA_ERR_WRONG_COMMAND;
|
||||
}
|
||||
/**
|
||||
After this call all outstanding updates must be performed. The number
|
||||
of duplicate key errors are reported in the duplicate key parameter.
|
||||
@ -1369,14 +1380,6 @@ public:
|
||||
virtual void try_semi_consistent_read(bool) {}
|
||||
virtual void unlock_row() {}
|
||||
virtual int start_stmt(THD *thd, thr_lock_type lock_type) {return 0;}
|
||||
/**
|
||||
This is called to delete all rows in a table
|
||||
If the handler don't support this, then this function will
|
||||
return HA_ERR_WRONG_COMMAND and MySQL will delete the rows one
|
||||
by one.
|
||||
*/
|
||||
virtual int delete_all_rows()
|
||||
{ return (my_errno=HA_ERR_WRONG_COMMAND); }
|
||||
virtual void get_auto_increment(ulonglong offset, ulonglong increment,
|
||||
ulonglong nb_desired_values,
|
||||
ulonglong *first_value,
|
||||
@ -1401,42 +1404,17 @@ public:
|
||||
next_insert_id= (prev_insert_id > 0) ? prev_insert_id :
|
||||
insert_id_for_cur_row;
|
||||
}
|
||||
/**
|
||||
Reset the auto-increment counter to the given value, i.e. the next row
|
||||
inserted will get the given value. This is called e.g. after TRUNCATE
|
||||
is emulated by doing a 'DELETE FROM t'. HA_ERR_WRONG_COMMAND is
|
||||
returned by storage engines that don't support this operation.
|
||||
*/
|
||||
virtual int reset_auto_increment(ulonglong value)
|
||||
{ return HA_ERR_WRONG_COMMAND; }
|
||||
|
||||
virtual void update_create_info(HA_CREATE_INFO *create_info) {}
|
||||
int check_old_types();
|
||||
virtual int backup(THD* thd, HA_CHECK_OPT* check_opt)
|
||||
{ return HA_ADMIN_NOT_IMPLEMENTED; }
|
||||
/**
|
||||
Restore assumes .frm file must exist, and that generate_table() has been
|
||||
called; It will just copy the data file and run repair.
|
||||
*/
|
||||
virtual int restore(THD* thd, HA_CHECK_OPT* check_opt)
|
||||
{ return HA_ADMIN_NOT_IMPLEMENTED; }
|
||||
virtual int optimize(THD* thd, HA_CHECK_OPT* check_opt)
|
||||
{ return HA_ADMIN_NOT_IMPLEMENTED; }
|
||||
virtual int analyze(THD* thd, HA_CHECK_OPT* check_opt)
|
||||
{ return HA_ADMIN_NOT_IMPLEMENTED; }
|
||||
virtual int assign_to_keycache(THD* thd, HA_CHECK_OPT* check_opt)
|
||||
{ return HA_ADMIN_NOT_IMPLEMENTED; }
|
||||
virtual int preload_keys(THD* thd, HA_CHECK_OPT* check_opt)
|
||||
{ return HA_ADMIN_NOT_IMPLEMENTED; }
|
||||
/* end of the list of admin commands */
|
||||
|
||||
virtual bool check_and_repair(THD *thd) { return HA_ERR_WRONG_COMMAND; }
|
||||
virtual int dump(THD* thd, int fd = -1) { return HA_ERR_WRONG_COMMAND; }
|
||||
virtual int disable_indexes(uint mode) { return HA_ERR_WRONG_COMMAND; }
|
||||
virtual int enable_indexes(uint mode) { return HA_ERR_WRONG_COMMAND; }
|
||||
virtual int indexes_are_disabled(void) {return 0;}
|
||||
virtual int discard_or_import_tablespace(my_bool discard)
|
||||
{return HA_ERR_WRONG_COMMAND;}
|
||||
virtual int net_read_dump(NET* net) { return HA_ERR_WRONG_COMMAND; }
|
||||
virtual char *update_table_comment(const char * comment)
|
||||
{ return (char*) comment;}
|
||||
@ -1494,7 +1472,6 @@ public:
|
||||
|
||||
virtual ulong index_flags(uint idx, uint part, bool all_parts) const =0;
|
||||
|
||||
virtual void prepare_for_alter() { return; }
|
||||
virtual int add_index(TABLE *table_arg, KEY *key_info, uint num_of_keys)
|
||||
{ return (HA_ERR_WRONG_COMMAND); }
|
||||
virtual int prepare_drop_index(TABLE *table_arg, uint *key_num,
|
||||
@ -1526,46 +1503,11 @@ public:
|
||||
virtual bool is_crashed() const { return 0; }
|
||||
virtual bool auto_repair() const { return 0; }
|
||||
|
||||
/**
|
||||
default rename_table() and delete_table() rename/delete files with a
|
||||
given name and extensions from bas_ext()
|
||||
*/
|
||||
virtual int rename_table(const char *from, const char *to);
|
||||
virtual int delete_table(const char *name);
|
||||
virtual void drop_table(const char *name);
|
||||
|
||||
virtual int create(const char *name, TABLE *form, HA_CREATE_INFO *info)=0;
|
||||
|
||||
#define CHF_CREATE_FLAG 0
|
||||
#define CHF_DELETE_FLAG 1
|
||||
#define CHF_RENAME_FLAG 2
|
||||
#define CHF_INDEX_FLAG 3
|
||||
|
||||
virtual int create_handler_files(const char *name, const char *old_name,
|
||||
int action_flag,
|
||||
HA_CREATE_INFO *create_info)
|
||||
{ return FALSE; }
|
||||
|
||||
virtual int change_partitions(HA_CREATE_INFO *create_info,
|
||||
const char *path,
|
||||
ulonglong *copied,
|
||||
ulonglong *deleted,
|
||||
const uchar *pack_frm_data,
|
||||
size_t pack_frm_len)
|
||||
{ return HA_ERR_WRONG_COMMAND; }
|
||||
virtual int drop_partitions(const char *path)
|
||||
{ return HA_ERR_WRONG_COMMAND; }
|
||||
virtual int rename_partitions(const char *path)
|
||||
{ return HA_ERR_WRONG_COMMAND; }
|
||||
virtual int optimize_partitions(THD *thd)
|
||||
{ return HA_ERR_WRONG_COMMAND; }
|
||||
virtual int analyze_partitions(THD *thd)
|
||||
{ return HA_ERR_WRONG_COMMAND; }
|
||||
virtual int check_partitions(THD *thd)
|
||||
{ return HA_ERR_WRONG_COMMAND; }
|
||||
virtual int repair_partitions(THD *thd)
|
||||
{ return HA_ERR_WRONG_COMMAND; }
|
||||
|
||||
/**
|
||||
@note lock_count() can return > 1 if the table is MERGE or partitioned.
|
||||
*/
|
||||
@ -1680,22 +1622,6 @@ public:
|
||||
uint table_changes)
|
||||
{ return COMPATIBLE_DATA_NO; }
|
||||
|
||||
/** These are only called from sql_select for internal temporary tables */
|
||||
virtual int write_row(uchar *buf __attribute__((unused)))
|
||||
{
|
||||
return HA_ERR_WRONG_COMMAND;
|
||||
}
|
||||
|
||||
virtual int update_row(const uchar *old_data __attribute__((unused)),
|
||||
uchar *new_data __attribute__((unused)))
|
||||
{
|
||||
return HA_ERR_WRONG_COMMAND;
|
||||
}
|
||||
|
||||
virtual int delete_row(const uchar *buf __attribute__((unused)))
|
||||
{
|
||||
return HA_ERR_WRONG_COMMAND;
|
||||
}
|
||||
/**
|
||||
use_hidden_primary_key() is called in case of an update/delete when
|
||||
(table_flags() and HA_PRIMARY_KEY_REQUIRED_FOR_DELETE) is defined
|
||||
@ -1708,6 +1634,16 @@ protected:
|
||||
void ha_statistic_increment(ulong SSV::*offset) const;
|
||||
void **ha_data(THD *) const;
|
||||
THD *ha_thd(void) const;
|
||||
|
||||
/**
|
||||
Default rename_table() and delete_table() rename/delete files with a
|
||||
given name and extensions from bas_ext().
|
||||
|
||||
These methods can be overridden, but their default implementation
|
||||
provide useful functionality.
|
||||
*/
|
||||
virtual int rename_table(const char *from, const char *to);
|
||||
virtual int delete_table(const char *name);
|
||||
private:
|
||||
/*
|
||||
Low-level primitives for storage engines. These should be
|
||||
@ -1727,6 +1663,21 @@ private:
|
||||
*/
|
||||
virtual int rnd_init(bool scan)= 0;
|
||||
virtual int rnd_end() { return 0; }
|
||||
virtual int write_row(uchar *buf __attribute__((unused)))
|
||||
{
|
||||
return HA_ERR_WRONG_COMMAND;
|
||||
}
|
||||
|
||||
virtual int update_row(const uchar *old_data __attribute__((unused)),
|
||||
uchar *new_data __attribute__((unused)))
|
||||
{
|
||||
return HA_ERR_WRONG_COMMAND;
|
||||
}
|
||||
|
||||
virtual int delete_row(const uchar *buf __attribute__((unused)))
|
||||
{
|
||||
return HA_ERR_WRONG_COMMAND;
|
||||
}
|
||||
/**
|
||||
Reset state of file to after 'open'.
|
||||
This function is called after every statement for all tables used
|
||||
@ -1782,6 +1733,85 @@ private:
|
||||
{ return HA_ERR_WRONG_COMMAND; }
|
||||
virtual int index_read_last(uchar * buf, const uchar * key, uint key_len)
|
||||
{ return (my_errno= HA_ERR_WRONG_COMMAND); }
|
||||
/**
|
||||
This method is similar to update_row, however the handler doesn't need
|
||||
to execute the updates at this point in time. The handler can be certain
|
||||
that another call to bulk_update_row will occur OR a call to
|
||||
exec_bulk_update before the set of updates in this query is concluded.
|
||||
|
||||
@param old_data Old record
|
||||
@param new_data New record
|
||||
@param dup_key_found Number of duplicate keys found
|
||||
|
||||
@retval 0 Bulk delete used by handler
|
||||
@retval 1 Bulk delete not used, normal operation used
|
||||
*/
|
||||
virtual int bulk_update_row(const uchar *old_data, uchar *new_data,
|
||||
uint *dup_key_found)
|
||||
{
|
||||
DBUG_ASSERT(FALSE);
|
||||
return HA_ERR_WRONG_COMMAND;
|
||||
}
|
||||
/**
|
||||
This is called to delete all rows in a table
|
||||
If the handler don't support this, then this function will
|
||||
return HA_ERR_WRONG_COMMAND and MySQL will delete the rows one
|
||||
by one.
|
||||
*/
|
||||
virtual int delete_all_rows()
|
||||
{ return (my_errno=HA_ERR_WRONG_COMMAND); }
|
||||
/**
|
||||
Reset the auto-increment counter to the given value, i.e. the next row
|
||||
inserted will get the given value. This is called e.g. after TRUNCATE
|
||||
is emulated by doing a 'DELETE FROM t'. HA_ERR_WRONG_COMMAND is
|
||||
returned by storage engines that don't support this operation.
|
||||
*/
|
||||
virtual int reset_auto_increment(ulonglong value)
|
||||
{ return HA_ERR_WRONG_COMMAND; }
|
||||
virtual int backup(THD* thd, HA_CHECK_OPT* check_opt)
|
||||
{ return HA_ADMIN_NOT_IMPLEMENTED; }
|
||||
/**
|
||||
Restore assumes .frm file must exist, and that generate_table() has been
|
||||
called; It will just copy the data file and run repair.
|
||||
*/
|
||||
virtual int restore(THD* thd, HA_CHECK_OPT* check_opt)
|
||||
{ return HA_ADMIN_NOT_IMPLEMENTED; }
|
||||
virtual int optimize(THD* thd, HA_CHECK_OPT* check_opt)
|
||||
{ return HA_ADMIN_NOT_IMPLEMENTED; }
|
||||
virtual int analyze(THD* thd, HA_CHECK_OPT* check_opt)
|
||||
{ return HA_ADMIN_NOT_IMPLEMENTED; }
|
||||
virtual bool check_and_repair(THD *thd) { return HA_ERR_WRONG_COMMAND; }
|
||||
virtual int disable_indexes(uint mode) { return HA_ERR_WRONG_COMMAND; }
|
||||
virtual int enable_indexes(uint mode) { return HA_ERR_WRONG_COMMAND; }
|
||||
virtual int discard_or_import_tablespace(my_bool discard)
|
||||
{ return (my_errno=HA_ERR_WRONG_COMMAND); }
|
||||
virtual void prepare_for_alter() { return; }
|
||||
virtual void drop_table(const char *name);
|
||||
virtual int create(const char *name, TABLE *form, HA_CREATE_INFO *info)=0;
|
||||
|
||||
virtual int create_handler_files(const char *name, const char *old_name,
|
||||
int action_flag, HA_CREATE_INFO *info)
|
||||
{ return FALSE; }
|
||||
|
||||
virtual int change_partitions(HA_CREATE_INFO *create_info,
|
||||
const char *path,
|
||||
ulonglong *copied,
|
||||
ulonglong *deleted,
|
||||
const uchar *pack_frm_data,
|
||||
size_t pack_frm_len)
|
||||
{ return HA_ERR_WRONG_COMMAND; }
|
||||
virtual int drop_partitions(const char *path)
|
||||
{ return HA_ERR_WRONG_COMMAND; }
|
||||
virtual int rename_partitions(const char *path)
|
||||
{ return HA_ERR_WRONG_COMMAND; }
|
||||
virtual int optimize_partitions(THD *thd)
|
||||
{ return HA_ERR_WRONG_COMMAND; }
|
||||
virtual int analyze_partitions(THD *thd)
|
||||
{ return HA_ERR_WRONG_COMMAND; }
|
||||
virtual int check_partitions(THD *thd)
|
||||
{ return HA_ERR_WRONG_COMMAND; }
|
||||
virtual int repair_partitions(THD *thd)
|
||||
{ return HA_ERR_WRONG_COMMAND; }
|
||||
};
|
||||
|
||||
|
||||
|
||||
Reference in New Issue
Block a user