23
23
static ha_rows _mi_record_pos(MI_INFO *, const unsigned char *, key_part_map,
25
25
static double _mi_search_pos(MI_INFO *,MI_KEYDEF *,unsigned char *, uint,uint,my_off_t);
26
static uint _mi_keynr(MI_INFO *info,MI_KEYDEF *,unsigned char *, unsigned char *,uint *);
26
static uint32_t _mi_keynr(MI_INFO *info,MI_KEYDEF *,unsigned char *, unsigned char *,uint32_t *);
29
29
Estimate how many records there is in a given range