25
28
HP_SHARE *internal_share;
26
29
key_map btree_keys;
27
30
/* number of records changed since last statistics update */
28
uint32_t records_changed;
29
uint32_t key_stat_version;
32
uint key_stat_version;
33
my_bool internal_table;
32
35
ha_heap(handlerton *hton, TABLE_SHARE *table);
34
37
handler *clone(MEM_ROOT *mem_root);
35
38
const char *table_type() const
40
return (table->in_use->variables.sql_mode & MODE_MYSQL323) ?
39
const char *index_type(uint32_t inx)
43
const char *index_type(uint inx)
41
45
return ((table_share->key_info[inx].algorithm == HA_KEY_ALG_BTREE) ?
44
enum row_type get_row_type() const;
48
/* Rows also use a fixed-size format */
49
enum row_type get_row_type() const { return ROW_TYPE_FIXED; }
45
50
const char **bas_ext() const;
46
51
uint64_t table_flags() const
48
53
return (HA_FAST_KEY_READ | HA_NO_BLOBS | HA_NULL_IN_KEY |
49
54
HA_BINLOG_ROW_CAPABLE | HA_BINLOG_STMT_CAPABLE |
50
HA_REC_NOT_IN_SEQ | HA_NO_TRANSACTIONS |
55
HA_REC_NOT_IN_SEQ | HA_CAN_INSERT_DELAYED | HA_NO_TRANSACTIONS |
51
56
HA_HAS_RECORDS | HA_STATS_RECORDS_IS_EXACT);
53
uint32_t index_flags(uint32_t inx, uint32_t part __attribute__((unused)),
54
bool all_parts __attribute__((unused))) const
58
ulong index_flags(uint inx, uint part, bool all_parts) const
56
60
return ((table_share->key_info[inx].algorithm == HA_KEY_ALG_BTREE) ?
57
61
HA_READ_NEXT | HA_READ_PREV | HA_READ_ORDER | HA_READ_RANGE :
58
62
HA_ONLY_WHOLE_INDEX | HA_KEY_SCAN_NOT_ROR);
60
64
const key_map *keys_to_use_for_scanning() { return &btree_keys; }
61
uint32_t max_supported_keys() const { return MAX_KEY; }
62
uint32_t max_supported_key_part_length() const { return MAX_KEY_LENGTH; }
65
uint max_supported_keys() const { return MAX_KEY; }
66
uint max_supported_key_part_length() const { return MAX_KEY_LENGTH; }
64
68
{ return (double) (stats.records+stats.deleted) / 20.0+10; }
65
double read_time(uint32_t index __attribute__((unused)),
66
uint32_t ranges __attribute__((unused)),
69
double read_time(uint index, uint ranges, ha_rows rows)
68
70
{ return (double) rows / 20.0+1; }
70
int open(const char *name, int mode, uint32_t test_if_locked);
72
int open(const char *name, int mode, uint test_if_locked);
72
74
void set_keys_for_scanning(void);
73
int write_row(unsigned char * buf);
74
int update_row(const unsigned char * old_data, unsigned char * new_data);
75
int delete_row(const unsigned char * buf);
75
int write_row(uchar * buf);
76
int update_row(const uchar * old_data, uchar * new_data);
77
int delete_row(const uchar * buf);
76
78
virtual void get_auto_increment(uint64_t offset, uint64_t increment,
77
79
uint64_t nb_desired_values,
78
80
uint64_t *first_value,
79
81
uint64_t *nb_reserved_values);
80
int index_read_map(unsigned char * buf, const unsigned char * key, key_part_map keypart_map,
82
int index_read_map(uchar * buf, const uchar * key, key_part_map keypart_map,
81
83
enum ha_rkey_function find_flag);
82
int index_read_last_map(unsigned char *buf, const unsigned char *key, key_part_map keypart_map);
83
int index_read_idx_map(unsigned char * buf, uint32_t index, const unsigned char * key,
84
int index_read_last_map(uchar *buf, const uchar *key, key_part_map keypart_map);
85
int index_read_idx_map(uchar * buf, uint index, const uchar * key,
84
86
key_part_map keypart_map,
85
87
enum ha_rkey_function find_flag);
86
int index_next(unsigned char * buf);
87
int index_prev(unsigned char * buf);
88
int index_first(unsigned char * buf);
89
int index_last(unsigned char * buf);
88
int index_next(uchar * buf);
89
int index_prev(uchar * buf);
90
int index_first(uchar * buf);
91
int index_last(uchar * buf);
90
92
int rnd_init(bool scan);
91
int rnd_next(unsigned char *buf);
92
int rnd_pos(unsigned char * buf, unsigned char *pos);
93
void position(const unsigned char *record);
93
int rnd_next(uchar *buf);
94
int rnd_pos(uchar * buf, uchar *pos);
95
void position(const uchar *record);
95
97
int extra(enum ha_extra_function operation);
97
99
int external_lock(THD *thd, int lock_type);
98
100
int delete_all_rows(void);
99
int disable_indexes(uint32_t mode);
100
int enable_indexes(uint32_t mode);
101
int disable_indexes(uint mode);
102
int enable_indexes(uint mode);
101
103
int indexes_are_disabled(void);
102
ha_rows records_in_range(uint32_t inx, key_range *min_key, key_range *max_key);
104
ha_rows records_in_range(uint inx, key_range *min_key, key_range *max_key);
103
105
int delete_table(const char *from);
104
106
void drop_table(const char *name);
105
107
int rename_table(const char * from, const char * to);
106
int create(const char *name, Table *form, HA_CREATE_INFO *create_info);
108
int create(const char *name, TABLE *form, HA_CREATE_INFO *create_info);
107
109
void update_create_info(HA_CREATE_INFO *create_info);
109
111
THR_LOCK_DATA **store_lock(THD *thd, THR_LOCK_DATA **to,
110
112
enum thr_lock_type lock_type);
111
int cmp_ref(const unsigned char *ref1, const unsigned char *ref2)
113
int cmp_ref(const uchar *ref1, const uchar *ref2)
113
115
return memcmp(ref1, ref2, sizeof(HEAP_PTR));
115
bool check_if_incompatible_data(HA_CREATE_INFO *info, uint32_t table_changes);
117
bool check_if_incompatible_data(HA_CREATE_INFO *info, uint table_changes);
117
119
void update_key_stats();