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Viewing changes to storage/myisam/mi_rprev.c

  • Committer: Monty Taylor
  • Date: 2008-09-05 22:55:50 UTC
  • mfrom: (373.1.9 stl-client-progs)
  • Revision ID: monty@inaugust.com-20080905225550-zco374c9s7kxwqyb
Merged removal of DYNAMIC_STRING.

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storage/myisam/mi_rprev.c
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           based on the position of the last used key!
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        */
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int mi_rprev(MI_INFO *info, unsigned char *buf, int inx)
 
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int mi_rprev(MI_INFO *info, uchar *buf, int inx)
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{
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  int error,changed;
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  register uint32_t flag;
 
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  register uint flag;
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  MYISAM_SHARE *share=info->s;
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  if ((inx = _mi_check_index(info,inx)) < 0)
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    return(my_errno);
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  changed=_mi_test_if_changed(info);
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  if (share->concurrent_insert)
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    pthread_rwlock_rdlock(&share->key_root_lock[inx]);
 
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    rw_rdlock(&share->key_root_lock[inx]);
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  if (!flag)
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    error=_mi_search_last(info, share->keyinfo+inx,
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                          share->state.key_root[inx]);
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          break;
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      }
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    }
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    pthread_rwlock_unlock(&share->key_root_lock[inx]);
 
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    rw_unlock(&share->key_root_lock[inx]);
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  }
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  info->update&= (HA_STATE_CHANGED | HA_STATE_ROW_CHANGED);
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  info->update|= HA_STATE_PREV_FOUND;