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1976.7.2
by Brian Aker
Adding execute command to go along with main command. |
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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) 2010 Brian Aker
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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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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "config.h" |
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#include "drizzled/session.h" |
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#include "drizzled/user_var_entry.h" |
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#include "drizzled/plugin/client/concurrent.h" |
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2039.6.3
by Brian Aker
Update for session to have a catalog object. |
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#include "drizzled/catalog/local.h" |
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1976.7.2
by Brian Aker
Adding execute command to go along with main command. |
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#include "drizzled/execute.h" |
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namespace drizzled |
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{
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Execute::Execute(Session &arg, bool wait_arg) : |
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wait(wait_arg), |
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_session(arg) |
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{
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}
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Execute::~Execute() |
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{
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}
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void Execute::run(const char *arg, size_t length) |
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{
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std::string execution_string(arg, length); |
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run(execution_string); |
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}
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void Execute::run(std::string &execution_string) |
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{
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boost_thread_shared_ptr thread; |
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if (_session.isConcurrentExecuteAllowed()) |
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{
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plugin::client::Concurrent *client= new plugin::client::Concurrent; |
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client->pushSQL(execution_string); |
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2039.6.3
by Brian Aker
Update for session to have a catalog object. |
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Session::shared_ptr new_session= Session::make_shared(client, catalog::local()); |
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1976.7.2
by Brian Aker
Adding execute command to go along with main command. |
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// We set the current schema. @todo do the same with catalog
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util::string::const_shared_ptr schema(_session.schema()); |
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if (not schema->empty()) |
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new_session->set_db(*schema); |
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new_session->setConcurrentExecute(false); |
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// Overwrite the context in the next session, with what we have in our
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// session. Eventually we will allow someone to change the effective
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// user.
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2008.1.1
by Brian Aker
Adding user identifier that makes use of a shared ptr to handle concurrency |
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new_session->user()= _session.user(); |
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1976.7.2
by Brian Aker
Adding execute command to go along with main command. |
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if (Session::schedule(new_session)) |
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{
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Session::unlink(new_session); |
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}
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else if (wait) |
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{
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thread= new_session->getThread(); |
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}
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}
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else
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{
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my_error(ER_WRONG_ARGUMENTS, MYF(0), "A Concurrent Execution Session can not launch another session."); |
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return; |
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}
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if (wait && thread && thread->joinable()) |
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{
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// We want to make sure that we can be killed
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boost::this_thread::restore_interruption dl(_session.getThreadInterupt()); |
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try { |
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thread->join(); |
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}
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catch(boost::thread_interrupted const&) |
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{
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// Just surpress and return the error
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my_error(drizzled::ER_QUERY_INTERRUPTED, MYF(0)); |
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return; |
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}
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}
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}
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} /* namespace drizzled */ |