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yet another generalization for rec_buff handling, MI_INFO doesn't need rec_alloc anymore

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myisam/mi_close.c:
  yet another generalization for rec_buff handling
myisam/mi_dynrec.c:
  yet another generalization for rec_buff handling
myisam/mi_extra.c:
  yet another generalization for rec_buff handling
myisam/mi_open.c:
  yet another generalization for rec_buff handling
myisam/myisamdef.h:
  yet another generalization for rec_buff handling
This commit is contained in:
unknown
2002-07-14 13:51:03 +02:00
parent 9a1ff13ea4
commit d8093cf6ff
5 changed files with 50 additions and 47 deletions
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14
myisam/myisamdef.h
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@ -222,12 +222,11 @@ struct st_myisam_info {
MI_BLOB *blobs; /* Pointer to blobs */
MI_BIT_BUFF bit_buff;
/* accumulate indexfile changes between write's */
TREE *bulk_insert;
TREE *bulk_insert;
char *filename; /* parameter to open filename */
uchar *buff, /* Temp area for key */
*lastkey,*lastkey2; /* Last used search key */
byte *rec_buff, /* Tempbuff for recordpack */
*rec_alloc; /* Malloced area for record */
byte *rec_buff; /* Tempbuff for recordpack */
uchar *int_keypos, /* Save position for next/previous */
*int_maxpos; /* -""- */
int (*read_record)(struct st_myisam_info*, my_off_t, byte*);
@ -249,7 +248,7 @@ struct st_myisam_info {
uint opt_flag; /* Optim. for space/speed */
uint update; /* If file changed since open */
uint alloced_rec_buff_length; /* Max recordlength malloced */
uint int_nod_flag; /* -""- */
uint int_nod_flag; /* -""- */
int lastinx; /* Last used index */
uint lastkey_length; /* Length of key in lastkey */
uint last_rkey_length; /* Last length in mi_rkey() */
@ -360,6 +359,7 @@ struct st_myisam_info {
#define MI_DYN_ALIGN_SIZE 4 /* Align blocks on this */
#define MI_MAX_DYN_HEADER_BYTE 13 /* max header byte for dynamic rows */
#define MI_MAX_BLOCK_LENGTH ((((ulong) 1 << 24)-1) & (~ (ulong) (MI_DYN_ALIGN_SIZE-1)))
#define MI_REC_BUFF_OFFSET ALIGN_SIZE(MI_DYN_DELETE_BLOCK_HEADER)
#define MEMMAP_EXTRA_MARGIN 7 /* Write this as a suffix for file */
@ -523,7 +523,11 @@ extern int _mi_read_key_record(MI_INFO *info,my_off_t filepos,byte *buf);
extern int _mi_read_cache(IO_CACHE *info,byte *buff,my_off_t pos,
uint length,int re_read_if_possibly);
extern void update_auto_increment(MI_INFO *info,const byte *record);
extern byte *mi_fix_rec_buff_for_blob(MI_INFO *info,ulong blob_length);
extern byte *mi_alloc_rec_buff(MI_INFO *,ulong, byte**, uint*);
extern gptr mi_get_rec_buff_ptr(MI_INFO *, byte *);
#define mi_fix_rec_buff_for_blob(INFO,LENGTH) \
mi_alloc_rec_buff((INFO),(LENGTH), \
&((INFO)->rec_buff), &((INFO)->alloced_rec_buff_length))
extern ulong _mi_rec_unpack(MI_INFO *info,byte *to,byte *from,
ulong reclength);
extern my_bool _mi_rec_check(MI_INFO *info,const char *from);