64
57
typedef struct st_hp_hash_info
66
59
struct st_hp_hash_info *next_key;
67
unsigned char *ptr_to_rec;
76
69
/* Prototypes for intern functions */
78
71
extern HP_SHARE *hp_find_named_heap(const char *name);
79
extern int hp_rectest(HP_INFO *info,const unsigned char *old);
80
extern unsigned char *hp_find_block(HP_BLOCK *info,uint32_t pos);
72
extern int hp_rectest(HP_INFO *info,const uchar *old);
73
extern uchar *hp_find_block(HP_BLOCK *info,uint32_t pos);
81
74
extern int hp_get_new_block(HP_BLOCK *info, size_t* alloc_length);
82
75
extern void hp_free(HP_SHARE *info);
83
extern unsigned char *hp_free_level(HP_BLOCK *block,uint32_t level,HP_PTRS *pos,
84
unsigned char *last_pos);
76
extern uchar *hp_free_level(HP_BLOCK *block,uint level,HP_PTRS *pos,
85
78
extern int hp_write_key(HP_INFO *info, HP_KEYDEF *keyinfo,
86
const unsigned char *record, unsigned char *recpos);
87
extern int hp_rb_write_key(HP_INFO *info, HP_KEYDEF *keyinfo,
88
const unsigned char *record, unsigned char *recpos);
79
const uchar *record, uchar *recpos);
80
extern int hp_rb_write_key(HP_INFO *info, HP_KEYDEF *keyinfo,
81
const uchar *record, uchar *recpos);
89
82
extern int hp_rb_delete_key(HP_INFO *info,HP_KEYDEF *keyinfo,
90
const unsigned char *record,unsigned char *recpos,int flag);
83
const uchar *record,uchar *recpos,int flag);
91
84
extern int hp_delete_key(HP_INFO *info,HP_KEYDEF *keyinfo,
92
const unsigned char *record,unsigned char *recpos,int flag);
85
const uchar *record,uchar *recpos,int flag);
93
86
extern HASH_INFO *_heap_find_hash(HP_BLOCK *block,uint32_t pos);
94
extern unsigned char *hp_search(HP_INFO *info,HP_KEYDEF *keyinfo,const unsigned char *key,
96
extern unsigned char *hp_search_next(HP_INFO *info, HP_KEYDEF *keyinfo,
97
const unsigned char *key, HASH_INFO *pos);
98
extern uint32_t hp_hashnr(HP_KEYDEF *keyinfo,const unsigned char *key);
99
extern uint32_t hp_rec_hashnr(HP_KEYDEF *keyinfo,const unsigned char *rec);
87
extern uchar *hp_search(HP_INFO *info,HP_KEYDEF *keyinfo,const uchar *key,
89
extern uchar *hp_search_next(HP_INFO *info, HP_KEYDEF *keyinfo,
90
const uchar *key, HASH_INFO *pos);
91
extern uint32_t hp_hashnr(HP_KEYDEF *keyinfo,const uchar *key);
92
extern uint32_t hp_rec_hashnr(HP_KEYDEF *keyinfo,const uchar *rec);
100
93
extern uint32_t hp_mask(uint32_t hashnr,uint32_t buffmax,uint32_t maxlength);
101
94
extern void hp_movelink(HASH_INFO *pos,HASH_INFO *next_link,
102
95
HASH_INFO *newlink);
103
extern int hp_rec_key_cmp(HP_KEYDEF *keydef,const unsigned char *rec1,
104
const unsigned char *rec2,
96
extern int hp_rec_key_cmp(HP_KEYDEF *keydef,const uchar *rec1,
105
98
bool diff_if_only_endspace_difference);
106
extern int hp_key_cmp(HP_KEYDEF *keydef,const unsigned char *rec,
107
const unsigned char *key);
108
extern void hp_make_key(HP_KEYDEF *keydef,unsigned char *key,const unsigned char *rec);
109
extern uint32_t hp_rb_make_key(HP_KEYDEF *keydef, unsigned char *key,
110
const unsigned char *rec, unsigned char *recpos);
111
extern uint32_t hp_rb_key_length(HP_KEYDEF *keydef, const unsigned char *key);
112
extern uint32_t hp_rb_null_key_length(HP_KEYDEF *keydef, const unsigned char *key);
113
extern uint32_t hp_rb_var_key_length(HP_KEYDEF *keydef, const unsigned char *key);
114
extern bool hp_if_null_in_key(HP_KEYDEF *keyinfo, const unsigned char *record);
99
extern int hp_key_cmp(HP_KEYDEF *keydef,const uchar *rec,
101
extern void hp_make_key(HP_KEYDEF *keydef,uchar *key,const uchar *rec);
102
extern uint hp_rb_make_key(HP_KEYDEF *keydef, uchar *key,
103
const uchar *rec, uchar *recpos);
104
extern uint hp_rb_key_length(HP_KEYDEF *keydef, const uchar *key);
105
extern uint hp_rb_null_key_length(HP_KEYDEF *keydef, const uchar *key);
106
extern uint hp_rb_var_key_length(HP_KEYDEF *keydef, const uchar *key);
107
extern bool hp_if_null_in_key(HP_KEYDEF *keyinfo, const uchar *record);
115
108
extern int hp_close(register HP_INFO *info);
116
109
extern void hp_clear(HP_SHARE *info);
117
110
extern void hp_clear_keys(HP_SHARE *info);
118
extern uint32_t hp_rb_pack_key(HP_KEYDEF *keydef, unsigned char *key, const unsigned char *old,
111
extern uint hp_rb_pack_key(HP_KEYDEF *keydef, uchar *key, const uchar *old,
119
112
key_part_map keypart_map);
121
114
/* Chunkset management (alloc/free/encode/decode) functions */
123
extern unsigned char *hp_allocate_chunkset(HP_DATASPACE *info, uint32_t chunk_count);
124
extern int hp_reallocate_chunkset(HP_DATASPACE *info, uint32_t chunk_count, unsigned char* pos);
125
extern void hp_free_chunks(HP_DATASPACE *info, unsigned char *pos);
116
extern uchar *hp_allocate_chunkset(HP_DATASPACE *info, uint chunk_count);
117
extern int hp_reallocate_chunkset(HP_DATASPACE *info, uint chunk_count, uchar* pos);
118
extern void hp_free_chunks(HP_DATASPACE *info, uchar *pos);
126
119
extern void hp_clear_dataspace(HP_DATASPACE *info);
128
extern uint32_t hp_get_encoded_data_length(HP_SHARE *info, const unsigned char *record, uint32_t *chunk_count);
129
extern void hp_copy_record_data_to_chunkset(HP_SHARE *info, const unsigned char *record, unsigned char *pos);
130
extern void hp_extract_record(HP_SHARE *info, unsigned char *record, const unsigned char *pos);
131
extern uint32_t hp_process_record_data_to_chunkset(HP_SHARE *info, const unsigned char *record, unsigned char *pos, uint32_t is_compare);
121
extern uint hp_get_encoded_data_length(HP_SHARE *info, const uchar *record, uint *chunk_count);
122
extern void hp_copy_record_data_to_chunkset(HP_SHARE *info, const uchar *record, uchar *pos);
123
extern void hp_extract_record(HP_SHARE *info, uchar *record, const uchar *pos);
124
extern uint hp_process_record_data_to_chunkset(HP_SHARE *info, const uchar *record, uchar *pos, uint is_compare);
135
128
extern pthread_mutex_t THR_LOCK_heap;
141
131
#endif /* HEAPDEF_H */