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  • Committer: patrick crews
  • Date: 2010-09-29 15:15:19 UTC
  • mfrom: (1099.4.188 drizzle)
  • Revision ID: gleebix@gmail.com-20100929151519-6mrmzd1ciw2p9nws
Tags: 2010.09.1802
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drizzled/statement/flush.cc
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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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 *
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 *  Copyright (C) 2009 Sun Microsystems, Inc.
 
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 *  Copyright (C) 2009 Sun Microsystems
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 *
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 *  This program is free software; you can redistribute it and/or modify
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 *  it under the terms of the GNU General Public License as published by
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 */
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#include "config.h"
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#include <drizzled/show.h>
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#include <drizzled/session.h>
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#include <drizzled/lock.h>
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#include <drizzled/statement/flush.h>
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#include "drizzled/sql_table.h"
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#include "drizzled/plugin/logging.h"
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#include "drizzled/plugin/storage_engine.h"
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namespace drizzled
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{
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   * reloadCache() will tell us if we are allowed to write to the
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   * binlog or not.
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   */
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  if (not reloadCache())
 
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  if (! reloadCache())
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  {
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    /*
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     * We WANT to write and we CAN write.
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     *
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     * Presumably, RESET and binlog writing doesn't require synchronization
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     */
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    write_bin_log(getSession(), *getSession()->getQueryString());
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    getSession()->my_ok();
 
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    write_bin_log(session, session->query.c_str());
 
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    session->my_ok();
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  }
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  return false;
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bool statement::Flush::reloadCache()
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{
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  bool result= false;
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  TableList *tables= (TableList *) getSession()->lex->select_lex.table_list.first;
 
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  TableList *tables= (TableList *) session->lex->select_lex.table_list.first;
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  if (flush_log)
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  {
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  */
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  if (flush_tables || flush_tables_with_read_lock)
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  {
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    if (getSession() && flush_tables_with_read_lock)
 
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    if (session && flush_tables_with_read_lock)
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    {
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      if (getSession()->lockGlobalReadLock())
 
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      if (lock_global_read_lock(session))
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      {
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        return true; /* Killed */
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      }
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      result= getSession()->close_cached_tables(tables, true, true);
 
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      result= session->close_cached_tables(tables, true, true);
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      if (getSession()->makeGlobalReadLockBlockCommit()) /* Killed */
 
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      if (make_global_read_lock_block_commit(session)) /* Killed */
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      {
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        /* Don't leave things in a half-locked state */
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        getSession()->unlockGlobalReadLock();
 
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        unlock_global_read_lock(session);
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        return true;
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      }
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    }
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    else
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    {
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      result= getSession()->close_cached_tables(tables, true, false);
 
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      result= session->close_cached_tables(tables, true, false);
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    }
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  }
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  if (getSession() && flush_status)
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  {
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    getSession()->refresh_status();
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  }
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  if (getSession() && flush_global_status)
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  {
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    memset(&current_global_counters, 0, sizeof(current_global_counters));
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    plugin::Logging::resetStats(getSession());
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    getSession()->refresh_status();
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  }
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  return result;
 
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  if (session && flush_status)
 
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  {
 
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    session->refresh_status();
 
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  }
 
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 return result;
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}
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}