diff options
Diffstat (limited to 'myisam/myisamdef.h')
| -rw-r--r-- | myisam/myisamdef.h | 77 |
1 files changed, 53 insertions, 24 deletions
diff --git a/myisam/myisamdef.h b/myisam/myisamdef.h index 601a9a40aea..005c36271bf 100644 --- a/myisam/myisamdef.h +++ b/myisam/myisamdef.h @@ -96,7 +96,7 @@ typedef struct st_mi_state_info #define MI_STATE_EXTRA_SIZE ((MI_MAX_KEY+MI_MAX_KEY_BLOCK_SIZE)*MI_STATE_KEY_SIZE + MI_MAX_KEY*MI_MAX_KEY_SEG*MI_STATE_KEYSEG_SIZE) #define MI_KEYDEF_SIZE (2+ 5*2) #define MI_UNIQUEDEF_SIZE (2+1+1) -#define MI_KEYSEG_SIZE (6+ 2*2 + 4*2) +#define HA_KEYSEG_SIZE (6+ 2*2 + 4*2) #define MI_COLUMNDEF_SIZE (2*3+1) #define MI_BASE_INFO_SIZE (5*8 + 8*4 + 4 + 4*2 + 16) #define MI_INDEX_BLOCK_MARGIN 16 /* Safety margin for .MYI tables */ @@ -156,7 +156,7 @@ typedef struct st_mi_isam_share { /* Shared between opens */ MI_BASE_INFO base; MI_KEYDEF *keyinfo; /* Key definitions */ MI_UNIQUEDEF *uniqueinfo; /* unique definitions */ - MI_KEYSEG *keyparts; /* key part info */ + HA_KEYSEG *keyparts; /* key part info */ MI_COLUMNDEF *rec; /* Pointer to field information */ MI_PACK pack; /* Data about packed records */ MI_BLOB *blobs; /* Pointer to blobs */ @@ -251,6 +251,7 @@ struct st_myisam_info { int lastinx; /* Last used index */ uint lastkey_length; /* Length of key in lastkey */ uint last_rkey_length; /* Last length in mi_rkey() */ + enum ha_rkey_function last_key_func; /* CONTAIN, OVERLAP, etc */ uint save_lastkey_length; int errkey; /* Got last error on this key */ int lock_type; /* How database was locked */ @@ -266,13 +267,49 @@ struct st_myisam_info { my_bool quick_mode; my_bool page_changed; /* If info->buff can't be used for rnext */ my_bool buff_used; /* If info->buff has to be reread for rnext */ - my_bool use_packed_key; /* For MYISAMMRG */ + my_bool once_flags; /* For MYISAMMRG */ #ifdef THREAD THR_LOCK_DATA lock; #endif + uchar * rtree_recursion_state; /* For RTREE */ + int rtree_recursion_depth; }; +typedef struct st_buffpek { + my_off_t file_pos; /* Where we are in the sort file */ + uchar *base,*key; /* Key pointers */ + ha_rows count; /* Number of rows in table */ + ulong mem_count; /* numbers of keys in memory */ + ulong max_keys; /* Max keys in buffert */ +} BUFFPEK; +typedef struct st_mi_sort_param +{ + pthread_t thr; + IO_CACHE read_cache, tempfile, tempfile_for_exceptions; + DYNAMIC_ARRAY buffpek; + ulonglong unique[MI_MAX_KEY_SEG+1]; + my_off_t pos,max_pos,filepos,start_recpos; + uint key, key_length,real_key_length,sortbuff_size; + uint maxbuffers, keys, find_length, sort_keys_length; + my_bool fix_datafile, master; + MI_KEYDEF *keyinfo; + SORT_INFO *sort_info; + uchar **sort_keys; + byte *rec_buff; + void *wordlist, *wordptr; + char *record; + MY_TMPDIR *tmpdir; + int (*key_cmp)(struct st_mi_sort_param *, const void *, const void *); + int (*key_read)(struct st_mi_sort_param *,void *); + int (*key_write)(struct st_mi_sort_param *, const void *); + void (*lock_in_memory)(MI_CHECK *); + NEAR int (*write_keys)(struct st_mi_sort_param *, register uchar **, + uint , struct st_buffpek *, IO_CACHE *); + NEAR uint (*read_to_buffer)(IO_CACHE *,struct st_buffpek *, uint); + NEAR int (*write_key)(struct st_mi_sort_param *, IO_CACHE *,char *, + uint, uint); +} MI_SORT_PARAM; /* Some defines used by isam-funktions */ #define USE_WHOLE_KEY MI_MAX_KEY_BUFF*2 /* Use whole key in _mi_search() */ @@ -285,6 +322,10 @@ struct st_myisam_info { #define WRITEINFO_UPDATE_KEYFILE 1 #define WRITEINFO_NO_UNLOCK 2 + /* once_flags */ +#define USE_PACKED_KEYS 1 +#define RRND_PRESERVE_LASTINX 2 + /* bits in state.changed */ #define STATE_CHANGED 1 @@ -324,13 +365,6 @@ struct st_myisam_info { { *(key)=255; mi_int2store((key)+1,(length)); } \ } -#define get_key_length(length,key) \ -{ if ((uchar) *(key) != 255) \ - length= (uint) (uchar) *((key)++); \ - else \ - { length=mi_uint2korr((key)+1); (key)+=3; } \ -} - #define get_key_full_length(length,key) \ { if ((uchar) *(key) != 255) \ length= ((uint) (uchar) *((key)++))+1; \ @@ -338,13 +372,6 @@ struct st_myisam_info { { length=mi_uint2korr((key)+1)+3; (key)+=3; } \ } -#define get_key_pack_length(length,length_pack,key) \ -{ if ((uchar) *(key) != 255) \ - { length= (uint) (uchar) *((key)++); length_pack=1; }\ - else \ - { length=mi_uint2korr((key)+1); (key)+=3; length_pack=3; } \ -} - #define get_pack_length(length) ((length) >= 255 ? 3 : 1) #define MI_MIN_BLOCK_LENGTH 20 /* Because of delete-link */ @@ -365,7 +392,7 @@ struct st_myisam_info { #define PACK_TYPE_SELECTED 1 /* Bits in field->pack_type */ #define PACK_TYPE_SPACE_FIELDS 2 #define PACK_TYPE_ZERO_FILL 4 -#define MI_FOUND_WRONG_KEY 32738 /* Impossible value from _mi_key_cmp */ +#define MI_FOUND_WRONG_KEY 32738 /* Impossible value from ha_key_cmp */ #define MI_MAX_KEY_BLOCK_SIZE (MI_MAX_KEY_BLOCK_LENGTH/MI_MIN_KEY_BLOCK_LENGTH) #define MI_BLOCK_SIZE(key_length,data_pointer,key_pointer) ((((key_length+data_pointer+key_pointer)*4+key_pointer+2)/myisam_block_size+1)*myisam_block_size) @@ -483,14 +510,12 @@ extern int _mi_seq_search(MI_INFO *info,MI_KEYDEF *keyinfo,uchar *page, extern int _mi_prefix_search(MI_INFO *info,MI_KEYDEF *keyinfo,uchar *page, uchar *key,uint key_len,uint comp_flag, uchar **ret_pos,uchar *buff, my_bool *was_last_key); -extern int _mi_compare_text(CHARSET_INFO *, uchar *, uint, uchar *, uint , - my_bool); extern my_off_t _mi_kpos(uint nod_flag,uchar *after_key); extern void _mi_kpointer(MI_INFO *info,uchar *buff,my_off_t pos); extern my_off_t _mi_dpos(MI_INFO *info, uint nod_flag,uchar *after_key); extern my_off_t _mi_rec_pos(MYISAM_SHARE *info, uchar *ptr); extern void _mi_dpointer(MI_INFO *info, uchar *buff,my_off_t pos); -extern int _mi_key_cmp(MI_KEYSEG *keyseg, uchar *a,uchar *b, +extern int ha_key_cmp(HA_KEYSEG *keyseg, uchar *a,uchar *b, uint key_length,uint nextflag,uint *diff_length); extern uint _mi_get_static_key(MI_KEYDEF *keyinfo,uint nod_flag,uchar * *page, uchar *key); @@ -537,7 +562,7 @@ extern my_bool _mi_rec_check(MI_INFO *info,const char *record, byte *packpos); extern int _mi_write_part_record(MI_INFO *info,my_off_t filepos,ulong length, my_off_t next_filepos,byte **record, ulong *reclength,int *flag); -extern void _mi_print_key(FILE *stream,MI_KEYSEG *keyseg,const uchar *key, +extern void _mi_print_key(FILE *stream,HA_KEYSEG *keyseg,const uchar *key, uint length); extern my_bool _mi_read_pack_info(MI_INFO *info,pbool fix_keys); extern int _mi_read_pack_record(MI_INFO *info,my_off_t filepos,byte *buf); @@ -628,8 +653,8 @@ char *mi_state_info_read(char *ptr, MI_STATE_INFO *state); uint mi_state_info_read_dsk(File file, MI_STATE_INFO *state, my_bool pRead); uint mi_base_info_write(File file, MI_BASE_INFO *base); char *my_n_base_info_read(char *ptr, MI_BASE_INFO *base); -int mi_keyseg_write(File file, const MI_KEYSEG *keyseg); -char *mi_keyseg_read(char *ptr, MI_KEYSEG *keyseg); +int mi_keyseg_write(File file, const HA_KEYSEG *keyseg); +char *mi_keyseg_read(char *ptr, HA_KEYSEG *keyseg); uint mi_keydef_write(File file, MI_KEYDEF *keydef); char *mi_keydef_read(char *ptr, MI_KEYDEF *keydef); uint mi_uniquedef_write(File file, MI_UNIQUEDEF *keydef); @@ -660,6 +685,7 @@ int mi_open_keyfile(MYISAM_SHARE *share); void mi_setup_functions(register MYISAM_SHARE *share); /* Functions needed by mi_check */ +volatile bool *killed_ptr(MI_CHECK *param); void mi_check_print_error _VARARGS((MI_CHECK *param, const char *fmt,...)); void mi_check_print_warning _VARARGS((MI_CHECK *param, const char *fmt,...)); void mi_check_print_info _VARARGS((MI_CHECK *param, const char *fmt,...)); @@ -669,6 +695,9 @@ int thr_write_keys(MI_SORT_PARAM *sort_param); pthread_handler_decl(thr_find_all_keys,arg); #endif +int sort_write_record(MI_SORT_PARAM *sort_param); +int _create_index_by_sort(MI_SORT_PARAM *info,my_bool no_messages, ulong); + #ifdef __cplusplus } #endif |