28
34
HP_SHARE *internal_share;
29
35
key_map btree_keys;
30
36
/* number of records changed since last statistics update */
32
uint key_stat_version;
37
uint32_t records_changed;
38
uint32_t key_stat_version;
33
39
bool internal_table;
35
ha_heap(handlerton *hton, TABLE_SHARE *table);
41
ha_heap(StorageEngine *engine, TABLE_SHARE *table);
37
43
handler *clone(MEM_ROOT *mem_root);
38
44
const char *table_type() const
40
return (table->in_use->variables.sql_mode & MODE_MYSQL323) ?
43
const char *index_type(uint inx)
45
return ((table_share->key_info[inx].algorithm == HA_KEY_ALG_BTREE) ?
48
const char *index_type(uint32_t inx);
48
49
enum row_type get_row_type() const;
49
50
const char **bas_ext() const;
50
51
uint64_t table_flags() const
52
53
return (HA_FAST_KEY_READ | HA_NO_BLOBS | HA_NULL_IN_KEY |
53
54
HA_BINLOG_ROW_CAPABLE | HA_BINLOG_STMT_CAPABLE |
54
HA_REC_NOT_IN_SEQ | HA_CAN_INSERT_DELAYED | HA_NO_TRANSACTIONS |
55
HA_REC_NOT_IN_SEQ | HA_NO_TRANSACTIONS |
55
56
HA_HAS_RECORDS | HA_STATS_RECORDS_IS_EXACT);
57
uint32_t index_flags(uint inx, uint part __attribute__((unused)),
58
bool all_parts __attribute__((unused))) const
60
return ((table_share->key_info[inx].algorithm == HA_KEY_ALG_BTREE) ?
61
HA_READ_NEXT | HA_READ_PREV | HA_READ_ORDER | HA_READ_RANGE :
62
HA_ONLY_WHOLE_INDEX | HA_KEY_SCAN_NOT_ROR);
58
uint32_t index_flags(uint32_t inx, uint32_t part, bool all_parts) const;
64
59
const key_map *keys_to_use_for_scanning() { return &btree_keys; }
65
uint max_supported_keys() const { return MAX_KEY; }
66
uint max_supported_key_part_length() const { return MAX_KEY_LENGTH; }
60
uint32_t max_supported_keys() const { return MAX_KEY; }
61
uint32_t max_supported_key_part_length() const { return MAX_KEY_LENGTH; }
68
63
{ return (double) (stats.records+stats.deleted) / 20.0+10; }
69
double read_time(uint index __attribute__((unused)),
70
uint ranges __attribute__((unused)),
64
double read_time(uint32_t, uint32_t,
72
66
{ return (double) rows / 20.0+1; }
74
int open(const char *name, int mode, uint test_if_locked);
68
int open(const char *name, int mode, uint32_t test_if_locked);
76
70
void set_keys_for_scanning(void);
77
int write_row(uchar * buf);
78
int update_row(const uchar * old_data, uchar * new_data);
79
int delete_row(const uchar * buf);
71
int write_row(unsigned char * buf);
72
int update_row(const unsigned char * old_data, unsigned char * new_data);
73
int delete_row(const unsigned char * buf);
80
74
virtual void get_auto_increment(uint64_t offset, uint64_t increment,
81
75
uint64_t nb_desired_values,
82
76
uint64_t *first_value,
83
77
uint64_t *nb_reserved_values);
84
int index_read_map(uchar * buf, const uchar * key, key_part_map keypart_map,
78
int index_read_map(unsigned char * buf, const unsigned char * key,
79
key_part_map keypart_map,
85
80
enum ha_rkey_function find_flag);
86
int index_read_last_map(uchar *buf, const uchar *key, key_part_map keypart_map);
87
int index_read_idx_map(uchar * buf, uint index, const uchar * key,
81
int index_read_last_map(unsigned char *buf, const unsigned char *key,
82
key_part_map keypart_map);
83
int index_read_idx_map(unsigned char * buf, uint32_t index,
84
const unsigned char * key,
88
85
key_part_map keypart_map,
89
86
enum ha_rkey_function find_flag);
90
int index_next(uchar * buf);
91
int index_prev(uchar * buf);
92
int index_first(uchar * buf);
93
int index_last(uchar * buf);
87
int index_next(unsigned char * buf);
88
int index_prev(unsigned char * buf);
89
int index_first(unsigned char * buf);
90
int index_last(unsigned char * buf);
94
91
int rnd_init(bool scan);
95
int rnd_next(uchar *buf);
96
int rnd_pos(uchar * buf, uchar *pos);
97
void position(const uchar *record);
92
int rnd_next(unsigned char *buf);
93
int rnd_pos(unsigned char * buf, unsigned char *pos);
94
void position(const unsigned char *record);
99
96
int extra(enum ha_extra_function operation);
101
int external_lock(THD *thd, int lock_type);
98
int external_lock(Session *session, int lock_type);
102
99
int delete_all_rows(void);
103
int disable_indexes(uint mode);
104
int enable_indexes(uint mode);
100
int disable_indexes(uint32_t mode);
101
int enable_indexes(uint32_t mode);
105
102
int indexes_are_disabled(void);
106
ha_rows records_in_range(uint inx, key_range *min_key, key_range *max_key);
103
ha_rows records_in_range(uint32_t inx, key_range *min_key, key_range *max_key);
107
104
int delete_table(const char *from);
108
105
void drop_table(const char *name);
109
106
int rename_table(const char * from, const char * to);
110
int create(const char *name, TABLE *form, HA_CREATE_INFO *create_info);
107
int create(const char *name, Table *form, HA_CREATE_INFO *create_info);
111
108
void update_create_info(HA_CREATE_INFO *create_info);
113
THR_LOCK_DATA **store_lock(THD *thd, THR_LOCK_DATA **to,
114
enum thr_lock_type lock_type);
115
int cmp_ref(const uchar *ref1, const uchar *ref2)
117
return memcmp(ref1, ref2, sizeof(HEAP_PTR));
119
bool check_if_incompatible_data(HA_CREATE_INFO *info, uint table_changes);
110
THR_LOCK_DATA **store_lock(Session *session, THR_LOCK_DATA **to,
111
enum thr_lock_type lock_type);
112
int cmp_ref(const unsigned char *ref1, const unsigned char *ref2);
113
bool check_if_incompatible_data(HA_CREATE_INFO *info, uint32_t table_changes);
121
115
void update_key_stats();
118
#endif /* STORAGE_HEAP_HA_HEAP_H */