Drizzled Public API Documentation

memc_delete_by_key.cc

00001 /* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
00002  *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
00003  *
00004  * Copyright (C) 2009, Patrick "CaptTofu" Galbraith, Padraig O'Sullivan
00005  * All rights reserved.
00006  *
00007  * Redistribution and use in source and binary forms, with or without
00008  * modification, are permitted provided that the following conditions are met:
00009  *
00010  *   * Redistributions of source code must retain the above copyright notice,
00011  *     this list of conditions and the following disclaimer.
00012  *   * Redistributions in binary form must reproduce the above copyright notice,
00013  *     this list of conditions and the following disclaimer in the documentation
00014  *     and/or other materials provided with the distribution.
00015  *   * Neither the name of Patrick Galbraith nor the names of its contributors
00016  *     may be used to endorse or promote products derived from this software
00017  *     without specific prior written permission.
00018  *
00019  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00020  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00021  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00022  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
00023  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00024  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
00025  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00026  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00027  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00028  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
00029  * THE POSSIBILITY OF SUCH DAMAGE.
00030  */
00031 
00032 #include <config.h>
00033 #include <drizzled/function/str/strfunc.h>
00034 
00035 #include "memcached_functions.h"
00036 #include "memc_delete_by_key.h"
00037 
00038 #include <libmemcached/memcached.h>
00039 
00040 #include <string>
00041 
00042 using namespace std;
00043 using namespace drizzled;
00044 
00045 int64_t MemcachedDeleteByKey::val_int()
00046 {
00047   memcached_return rc;
00048   String *master_key;
00049   String *key;
00050   null_value= false;
00051 
00052   if (arg_count != 2 ||
00053       ! (master_key=  args[0]->val_str(&value)) ||
00054       ! (key=         args[0]->val_str(&value)) ||
00055       ! memc)
00056   {
00057     return 0;
00058   }
00059 
00060   rc= memcached_delete_by_key(memc,
00061                        master_key->c_ptr(),
00062                        master_key->length(),
00063                        key->c_ptr(), key->length(), 0);
00064 
00065   if (rc != MEMCACHED_SUCCESS)
00066   {
00067     return 0;
00068   }
00069 
00070   return 1;
00071 }