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-rw-r--r--sql/handler.h86
1 files changed, 1 insertions, 85 deletions
diff --git a/sql/handler.h b/sql/handler.h
index ff2757837a8..a103f6e46b5 100644
--- a/sql/handler.h
+++ b/sql/handler.h
@@ -1062,31 +1062,6 @@ typedef bool (stat_print_fn)(THD *thd, const char *type, size_t type_len,
enum ha_stat_type { HA_ENGINE_STATUS, HA_ENGINE_LOGS, HA_ENGINE_MUTEX };
extern MYSQL_PLUGIN_IMPORT st_plugin_int *hton2plugin[MAX_HA];
-/* Transaction log maintains type definitions */
-enum log_status
-{
- HA_LOG_STATUS_FREE= 0, /* log is free and can be deleted */
- HA_LOG_STATUS_INUSE= 1, /* log can't be deleted because it is in use */
- HA_LOG_STATUS_NOSUCHLOG= 2 /* no such log (can't be returned by
- the log iterator status) */
-};
-/*
- Function for signaling that the log file changed its state from
- LOG_STATUS_INUSE to LOG_STATUS_FREE
-
- Now it do nothing, will be implemented as part of new transaction
- log management for engines.
- TODO: implement the function.
-*/
-void signal_log_not_needed(struct handlerton, char *log_file);
-/*
- Data of transaction log iterator.
-*/
-struct handler_log_file_data {
- LEX_STRING filename;
- enum log_status status;
-};
-
/*
Definitions for engine-specific table/field/index options in the CREATE TABLE.
@@ -1201,46 +1176,6 @@ typedef struct st_ha_create_table_option {
struct st_mysql_sys_var *var;
} ha_create_table_option;
-enum handler_iterator_type
-{
- /* request of transaction log iterator */
- HA_TRANSACTLOG_ITERATOR= 1
-};
-enum handler_create_iterator_result
-{
- HA_ITERATOR_OK, /* iterator created */
- HA_ITERATOR_UNSUPPORTED, /* such type of iterator is not supported */
- HA_ITERATOR_ERROR /* error during iterator creation */
-};
-
-/*
- Iterator structure. Can be used by handler/handlerton for different purposes.
-
- Iterator should be created in the way to point "before" the first object
- it iterate, so next() call move it to the first object or return !=0 if
- there is nothing to iterate through.
-*/
-struct handler_iterator {
- /*
- Moves iterator to next record and return 0 or return !=0
- if there is no records.
- iterator_object will be filled by this function if next() returns 0.
- Content of the iterator_object depend on iterator type.
- */
- int (*next)(struct handler_iterator *, void *iterator_object);
- /*
- Free resources allocated by iterator, after this call iterator
- is not usable.
- */
- void (*destroy)(struct handler_iterator *);
- /*
- Pointer to buffer for the iterator to use.
- Should be allocated by function which created the iterator and
- destroyed by freed by above "destroy" call
- */
- void *buffer;
-};
-
class handler;
class group_by_handler;
class derived_handler;
@@ -1504,22 +1439,6 @@ struct handlerton
const char *query, uint query_length,
const char *db, const char *table_name);
- /*
- Get log status.
- If log_status is null then the handler do not support transaction
- log information (i.e. log iterator can't be created).
- (see example of implementation in handler.cc, TRANS_LOG_MGM_EXAMPLE_CODE)
-
- */
- enum log_status (*get_log_status)(handlerton *hton, char *log);
-
- /*
- Iterators creator.
- Presence of the pointer should be checked before using
- */
- enum handler_create_iterator_result
- (*create_iterator)(handlerton *hton, enum handler_iterator_type type,
- struct handler_iterator *fill_this_in);
void (*abort_transaction)(handlerton *hton, THD *bf_thd,
THD *victim_thd, my_bool signal);
int (*set_checkpoint)(handlerton *hton, const XID* xid);
@@ -3822,15 +3741,13 @@ public:
inline int ha_read_first_row(uchar *buf, uint primary_key);
/**
- The following 3 function is only needed for tables that may be
+ The following 2 function is only needed for tables that may be
internal temporary tables during joins.
*/
virtual int remember_rnd_pos()
{ return HA_ERR_WRONG_COMMAND; }
virtual int restart_rnd_next(uchar *buf)
{ return HA_ERR_WRONG_COMMAND; }
- virtual int rnd_same(uchar *buf, uint inx)
- { return HA_ERR_WRONG_COMMAND; }
virtual ha_rows records_in_range(uint inx, key_range *min_key,
key_range *max_key)
@@ -4575,7 +4492,6 @@ public:
TABLE_SHARE* get_table_share() { return table_share; }
protected:
/* Service methods for use by storage engines. */
- void **ha_data(THD *) const;
THD *ha_thd(void) const;
/**