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Viewing changes to storage/myisam/mi_extra.c

  • Committer: Brian Aker
  • Date: 2009-01-21 05:53:36 UTC
  • mto: This revision was merged to the branch mainline in revision 801.
  • Revision ID: brian@tangent.org-20090121055336-fxoz6wfzreo8gi9x
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storage/myisam/mi_extra.c
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   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
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#include "myisamdef.h"
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#ifdef HAVE_SYS_MMAN_H
 
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#include <drizzled/util/test.h>
 
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#include <sys/types.h>
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#include <sys/mman.h>
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#endif
 
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#include <string.h>
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static void mi_extra_keyflag(MI_INFO *info, enum ha_extra_function function);
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      cache_size= (extra_arg ? *(uint32_t*) extra_arg :
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                   my_default_record_cache_size);
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      if (!(init_io_cache(&info->rec_cache,info->dfile,
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                         (uint) min(info->state->data_file_length+1,
 
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                         (uint) cmin(info->state->data_file_length+1,
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                                    cache_size),
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                          READ_CACHE,0L,(bool) (info->lock_type != F_UNLCK),
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                          MYF(share->write_flag & MY_WAIT_IF_FULL))))
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      error=end_io_cache(&info->rec_cache);
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      /* Sergei will insert full text index caching here */
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    }
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#if defined(HAVE_MMAP) && defined(HAVE_MADVISE)
 
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#if defined(HAVE_MMAP) && defined(HAVE_MADVISE) && !defined(TARGET_OS_SOLARIS)
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    if (info->opt_flag & MEMMAP_USED)
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      madvise((char*) share->file_map, share->state.state.data_file_length,
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              MADV_RANDOM);
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  case HA_EXTRA_KEYREAD:                        /* Read only keys to record */
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  case HA_EXTRA_REMEMBER_POS:
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    info->opt_flag |= REMEMBER_OLD_POS;
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    memcpy(info->lastkey+share->base.max_key_length*2,
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           info->lastkey,info->lastkey_length);
 
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    memmove(info->lastkey+share->base.max_key_length*2,
 
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            info->lastkey,info->lastkey_length);
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    info->save_update=  info->update;
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    info->save_lastinx= info->lastinx;
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    info->save_lastpos= info->lastpos;
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  case HA_EXTRA_RESTORE_POS:
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    if (info->opt_flag & REMEMBER_OLD_POS)
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    {
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      memcpy(info->lastkey,
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             info->lastkey+share->base.max_key_length*2,
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             info->save_lastkey_length);
 
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      memmove(info->lastkey,
 
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              info->lastkey+share->base.max_key_length*2,
 
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              info->save_lastkey_length);
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      info->update=     info->save_update | HA_STATE_WRITTEN;
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      info->lastinx=    info->save_lastinx;
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      info->lastpos=    info->save_lastpos;
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    if (mi_is_any_key_active(share->state.key_map))
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    {
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      MI_KEYDEF *key=share->keyinfo;
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      uint i;
 
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      uint32_t i;
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      for (i=0 ; i < share->base.keys ; i++,key++)
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      {
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        if (!(key->flag & HA_NOSAME) && info->s->base.auto_key != i+1)
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      info->opt_flag|= OPT_NO_ROWS;
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    break;
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  case HA_EXTRA_PRELOAD_BUFFER_SIZE:
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    info->preload_buff_size= *((uint32_t *) extra_arg); 
 
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    info->preload_buff_size= *((uint32_t *) extra_arg);
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    break;
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  case HA_EXTRA_CHANGE_KEY_TO_UNIQUE:
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  case HA_EXTRA_CHANGE_KEY_TO_DUP:
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 */
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static void mi_extra_keyflag(MI_INFO *info, enum ha_extra_function function)
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{
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  uint  idx;
 
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  uint32_t  idx;
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  for (idx= 0; idx< info->s->base.keys; idx++)
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  {
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  }
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  if (share->base.blobs)
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    mi_alloc_rec_buff(info, -1, &info->rec_buff);
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#if defined(HAVE_MMAP) && defined(HAVE_MADVISE)
 
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#if defined(HAVE_MMAP) && defined(HAVE_MADVISE) && !defined(TARGET_OS_SOLARIS)
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  if (info->opt_flag & MEMMAP_USED)
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    madvise((char*) share->file_map, share->state.state.data_file_length,
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            MADV_RANDOM);