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  • Committer: Joe Daly
  • Date: 2010-03-08 04:23:54 UTC
  • mto: This revision was merged to the branch mainline in revision 1380.
  • Revision ID: skinny.moey@gmail.com-20100308042354-7k0jibdqaxkhac7o
scoreboard implementation for statistics

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drizzled/statement/delete.cc
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bool statement::Delete::execute()
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{
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  DRIZZLE_DELETE_START(session->getQueryString()->c_str());
 
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  DRIZZLE_DELETE_START(session->query.c_str());
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  TableList *first_table= (TableList *) session->lex->select_lex.table_list.first;
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  TableList *all_tables= session->lex->query_tables;
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  Select_Lex *select_lex= &session->lex->select_lex;
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  unit->set_limit(select_lex);
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  bool need_start_waiting= false;
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  if (! (need_start_waiting= not session->wait_if_global_read_lock(0, 1)))
 
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  if (! (need_start_waiting= ! wait_if_global_read_lock(session, 0, 1)))
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  {
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    return true;
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  }
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    Release the protection against the global read lock and wake
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    everyone, who might want to set a global read lock.
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  */
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  session->startWaitingGlobalReadLock();
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  start_waiting_global_read_lock(session);
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  return res;
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}
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