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/* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2011 David Shrewsbury
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <config.h>
#include <plugin/slave/sql_executor.h>
#include <drizzled/plugin/listen.h>
#include <drizzled/plugin/client.h>
#include <drizzled/catalog/local.h>
#include <drizzled/execute.h>
#include <drizzled/sql/result_set.h>
#include <drizzled/errmsg_print.h>
#include <drizzled/plugin.h>
using namespace std;
using namespace drizzled;
namespace slave
{
SQLExecutor::SQLExecutor(const string &user, const string &schema)
: _in_error_state(false)
{
/* setup a Session object */
_session= Session::make_shared(plugin::Listen::getNullClient(),
catalog::local());
identifier::user::mptr user_id= identifier::User::make_shared();
user_id->setUser(user);
_session->setUser(user_id);
_session->set_db(schema);
}
bool SQLExecutor::executeSQL(vector<string> &sql)
{
string combined_sql;
if (not _in_error_state)
_error_message.clear();
Execute execute(*(_session.get()), true);
vector<string>::iterator iter= sql.begin();
while (iter != sql.end())
{
combined_sql.append(*iter);
combined_sql.append("; ");
++iter;
}
sql::ResultSet result_set(1);
/* Execute wraps the SQL to run within a transaction */
execute.run(combined_sql, result_set);
sql::Exception exception= result_set.getException();
drizzled::error_t err= exception.getErrorCode();
if ((err != drizzled::EE_OK) && (err != drizzled::ER_EMPTY_QUERY))
{
/* avoid recursive errors */
if (_in_error_state)
return true;
_in_error_state= true;
_error_message= "(SQLSTATE ";
_error_message.append(exception.getSQLState());
_error_message.append(") ");
_error_message.append(exception.getErrorMessage());
string bad_sql("Failure while executing:\n");
for (size_t y= 0; y < sql.size(); y++)
{
bad_sql.append(sql[y]);
bad_sql.append("\n");
}
errmsg_printf(error::ERROR, _("%s\n%s\n"),
_error_message.c_str(), bad_sql.c_str());
return false;
}
return true;
}
} /* namespace slave */
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