53
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handler *clone(MEM_ROOT *mem_root);
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const char *table_type() const { return "MyISAM"; }
55
const char *index_type(uint32_t key_number);
52
const char *index_type(uint key_number);
56
53
const char **bas_ext() const;
57
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uint64_t table_flags() const { return int_table_flags; }
58
int index_init(uint32_t idx, bool sorted);
55
int index_init(uint idx, bool sorted);
60
uint32_t index_flags(uint32_t inx, uint32_t part __attribute__((unused)),
61
bool all_parts __attribute__((unused))) const
57
uint32_t index_flags(uint inx, uint part __attribute__((__unused__)),
58
bool all_parts __attribute__((__unused__))) const
63
60
return ((table_share->key_info[inx].algorithm == HA_KEY_ALG_FULLTEXT) ?
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0 : HA_READ_NEXT | HA_READ_PREV | HA_READ_RANGE |
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62
HA_READ_ORDER | HA_KEYREAD_ONLY |
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(keys_with_parts.is_set(inx)?0:HA_DO_INDEX_COND_PUSHDOWN));
68
uint32_t max_supported_keys() const { return MI_MAX_KEY; }
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uint32_t max_supported_key_length() const { return MI_MAX_KEY_LENGTH; }
70
uint32_t max_supported_key_part_length() const { return MI_MAX_KEY_LENGTH; }
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uint32_t checksum() const;
65
uint max_supported_keys() const { return MI_MAX_KEY; }
66
uint max_supported_key_length() const { return MI_MAX_KEY_LENGTH; }
67
uint max_supported_key_part_length() const { return MI_MAX_KEY_LENGTH; }
68
uint checksum() const;
73
int open(const char *name, int mode, uint32_t test_if_locked);
70
int open(const char *name, int mode, uint test_if_locked);
75
int write_row(unsigned char * buf);
76
int update_row(const unsigned char * old_data, unsigned char * new_data);
77
int delete_row(const unsigned char * buf);
78
int index_read_map(unsigned char *buf, const unsigned char *key, key_part_map keypart_map,
72
int write_row(uchar * buf);
73
int update_row(const uchar * old_data, uchar * new_data);
74
int delete_row(const uchar * buf);
75
int index_read_map(uchar *buf, const uchar *key, key_part_map keypart_map,
79
76
enum ha_rkey_function find_flag);
80
int index_read_idx_map(unsigned char *buf, uint32_t index, const unsigned char *key,
77
int index_read_idx_map(uchar *buf, uint index, const uchar *key,
81
78
key_part_map keypart_map,
82
79
enum ha_rkey_function find_flag);
83
int index_read_last_map(unsigned char *buf, const unsigned char *key, key_part_map keypart_map);
84
int index_next(unsigned char * buf);
85
int index_prev(unsigned char * buf);
86
int index_first(unsigned char * buf);
87
int index_last(unsigned char * buf);
88
int index_next_same(unsigned char *buf, const unsigned char *key, uint32_t keylen);
80
int index_read_last_map(uchar *buf, const uchar *key, key_part_map keypart_map);
81
int index_next(uchar * buf);
82
int index_prev(uchar * buf);
83
int index_first(uchar * buf);
84
int index_last(uchar * buf);
85
int index_next_same(uchar *buf, const uchar *key, uint keylen);
89
86
int rnd_init(bool scan);
90
int rnd_next(unsigned char *buf);
91
int rnd_pos(unsigned char * buf, unsigned char *pos);
92
int restart_rnd_next(unsigned char *buf, unsigned char *pos);
93
void position(const unsigned char *record);
87
int rnd_next(uchar *buf);
88
int rnd_pos(uchar * buf, uchar *pos);
89
int restart_rnd_next(uchar *buf, uchar *pos);
90
void position(const uchar *record);
95
92
int extra(enum ha_extra_function operation);
96
93
int extra_opt(enum ha_extra_function operation, uint32_t cache_size);
98
95
int external_lock(THD *thd, int lock_type);
99
96
int delete_all_rows(void);
100
int disable_indexes(uint32_t mode);
101
int enable_indexes(uint32_t mode);
97
int disable_indexes(uint mode);
98
int enable_indexes(uint mode);
102
99
int indexes_are_disabled(void);
103
100
void start_bulk_insert(ha_rows rows);
104
101
int end_bulk_insert();
105
ha_rows records_in_range(uint32_t inx, key_range *min_key, key_range *max_key);
102
ha_rows records_in_range(uint inx, key_range *min_key, key_range *max_key);
106
103
void update_create_info(HA_CREATE_INFO *create_info);
107
int create(const char *name, Table *form, HA_CREATE_INFO *create_info);
104
int create(const char *name, TABLE *form, HA_CREATE_INFO *create_info);
108
105
THR_LOCK_DATA **store_lock(THD *thd, THR_LOCK_DATA **to,
109
106
enum thr_lock_type lock_type);
110
107
virtual void get_auto_increment(uint64_t offset, uint64_t increment,
141
138
* Multi Range Read interface
143
140
int multi_range_read_init(RANGE_SEQ_IF *seq, void *seq_init_param,
144
uint32_t n_ranges, uint32_t mode, HANDLER_BUFFER *buf);
141
uint n_ranges, uint mode, HANDLER_BUFFER *buf);
145
142
int multi_range_read_next(char **range_info);
146
ha_rows multi_range_read_info_const(uint32_t keyno, RANGE_SEQ_IF *seq,
143
ha_rows multi_range_read_info_const(uint keyno, RANGE_SEQ_IF *seq,
147
144
void *seq_init_param,
148
uint32_t n_ranges, uint32_t *bufsz,
149
uint32_t *flags, COST_VECT *cost);
150
int multi_range_read_info(uint32_t keyno, uint32_t n_ranges, uint32_t keys,
151
uint32_t *bufsz, uint32_t *flags, COST_VECT *cost);
145
uint n_ranges, uint *bufsz,
146
uint *flags, COST_VECT *cost);
147
int multi_range_read_info(uint keyno, uint n_ranges, uint keys,
148
uint *bufsz, uint *flags, COST_VECT *cost);
153
150
/* Index condition pushdown implementation */
154
Item *idx_cond_push(uint32_t keyno, Item* idx_cond);
155
bool check_if_supported_virtual_columns(void) { return true; }
151
Item *idx_cond_push(uint keyno, Item* idx_cond);
157
153
DsMrr_impl ds_mrr;
158
154
key_map keys_with_parts;
159
friend bool index_cond_func_myisam(void *arg);
155
friend my_bool index_cond_func_myisam(void *arg);