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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2008 Sun Microsystems
*
* 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; version 2 of the License.
*
* 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 <drizzled/server_includes.h>
#include <drizzled/function/math/int.h>
#include <drizzled/plugin/function.h>
#include <drizzled/session.h>
using namespace std;
using namespace drizzled;
class ConnectionIdFunction :public Item_int_func
{
int64_t value;
public:
ConnectionIdFunction() :Item_int_func() {}
int64_t val_int()
{
assert(fixed == true);
return value;
}
const char *func_name() const
{
return "connection_id";
}
void fix_length_and_dec()
{
Item_int_func::fix_length_and_dec();
max_length= 10;
}
bool fix_fields(Session *session, Item **ref)
{
if (Item_int_func::fix_fields(session, ref))
{
return true;
}
value= session->variables.pseudo_thread_id;
return false;
}
bool check_argument_count(int n)
{
return (n == 0);
}
};
plugin::Create_function<ConnectionIdFunction> *connection_idudf= NULL;
static int initialize(plugin::Registry ®istry)
{
connection_idudf=
new plugin::Create_function<ConnectionIdFunction>("connection_id");
registry.add(connection_idudf);
return 0;
}
static int finalize(plugin::Registry ®istry)
{
registry.remove(connection_idudf);
delete connection_idudf;
return 0;
}
drizzle_declare_plugin(connection_id)
{
"connection_id",
"1.0",
"Devananda van der Veen",
"Return the current connection_id",
PLUGIN_LICENSE_GPL,
initialize, /* Plugin Init */
finalize, /* Plugin Deinit */
NULL, /* status variables */
NULL, /* system variables */
NULL /* config options */
}
drizzle_declare_plugin_end;
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