diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/hash.h | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/include/hash.h b/include/hash.h index 9a6d91036e1..8f5ff21ae5e 100644 --- a/include/hash.h +++ b/include/hash.h @@ -33,7 +33,7 @@ typedef void (*hash_free_key)(void *); typedef struct st_hash { uint key_offset,key_length; /* Length of key if const length */ - uint records,blength,current_record; + uint records, blength; uint flags; DYNAMIC_ARRAY array; /* Place for hash_keys */ hash_get_key get_key; @@ -41,6 +41,9 @@ typedef struct st_hash { CHARSET_INFO *charset; } HASH; +/* A search iterator state */ +typedef uint HASH_SEARCH_STATE; + #define hash_init(A,B,C,D,E,F,G,H) _hash_init(A,B,C,D,E,F,G, H CALLER_INFO) my_bool _hash_init(HASH *hash, CHARSET_INFO *charset, uint default_array_elements, uint key_offset, @@ -49,12 +52,15 @@ my_bool _hash_init(HASH *hash, CHARSET_INFO *charset, void hash_free(HASH *tree); void my_hash_reset(HASH *hash); byte *hash_element(HASH *hash,uint idx); -gptr hash_search(HASH *info,const byte *key,uint length); -gptr hash_next(HASH *info,const byte *key,uint length); +gptr hash_search(const HASH *info, const byte *key, uint length); +gptr hash_first(const HASH *info, const byte *key, uint length, + HASH_SEARCH_STATE *state); +gptr hash_next(const HASH *info, const byte *key, uint length, + HASH_SEARCH_STATE *state); my_bool my_hash_insert(HASH *info,const byte *data); my_bool hash_delete(HASH *hash,byte *record); my_bool hash_update(HASH *hash,byte *record,byte *old_key,uint old_key_length); -void hash_replace(HASH *hash, uint idx, byte *new_row); +void hash_replace(HASH *hash, HASH_SEARCH_STATE *state, byte *new_row); my_bool hash_check(HASH *hash); /* Only in debug library */ #define hash_clear(H) bzero((char*) (H),sizeof(*(H))) |