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Viewing changes to storage/myisam/mi_keycache.cc

  • Committer: Padraig O'Sullivan
  • Date: 2009-03-28 06:01:24 UTC
  • mto: (968.2.5 mordred)
  • mto: This revision was merged to the branch mainline in revision 971.
  • Revision ID: osullivan.padraig@gmail.com-20090328060124-fdjygihvmr0kpf58
Reverting some refactoring changes I made to MyISAM that didn't really work
out.

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storage/myisam/mi_keycache.cc
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#include "myisamdef.h"
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using namespace std;
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/*
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  Assign pages of the index file for a table to a key cache
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void mi_change_key_cache(KEY_CACHE *old_key_cache,
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                         KEY_CACHE *new_key_cache)
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{
 
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  LIST *pos;
 
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  /*
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    Lock list to ensure that no one can close the table while we manipulate it
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  */
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  pthread_mutex_lock(&THR_LOCK_myisam);
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  list<MI_INFO *>::iterator it= myisam_open_list.begin();
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  while (it != myisam_open_list.end())
 
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  for (pos=myisam_open_list ; pos ; pos=pos->next)
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  {
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    MI_INFO *info= *it;
 
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    MI_INFO *info= (MI_INFO*) pos->data;
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    MYISAM_SHARE *share= info->s;
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    if (share->key_cache == old_key_cache)
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      mi_assign_to_key_cache(info, UINT64_MAX, new_key_cache);
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    ++it;
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  }
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  /*