Drizzled Public API Documentation

memc_append_by_key.cc

00001 /* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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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:
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00010  *   * Redistributions of source code must retain the above copyright notice,
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00019  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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00032 
00033 #include <config.h>
00034 #include <drizzled/function/str/strfunc.h>
00035 
00036 #include "memcached_functions.h"
00037 #include "memc_append_by_key.h"
00038 
00039 #include <libmemcached/memcached.h>
00040 
00041 #include <string>
00042 
00043 using namespace std;
00044 using namespace drizzled;
00045 
00046 int64_t MemcachedAppendByKey::val_int()
00047 {
00048   memcached_return rc;
00049   time_t expiration= 0;
00050   String *master_key;
00051   String *key;
00052   String *res;
00053   null_value= false;
00054 
00055   if ((arg_count != 3 && arg_count != 4) ||
00056       ! (master_key=  args[0]->val_str(&value)) ||
00057       ! (key=         args[1]->val_str(&value)) ||
00058       ! (res=         args[2]->val_str(&value)) ||
00059       ! memc)
00060   {
00061     return 0;
00062   }
00063   if (arg_count == 4)
00064   {
00065     String *tmp_exp= args[3]->val_str(&value);;
00066     expiration= (time_t)atoi(tmp_exp->c_ptr());
00067   }
00068 
00069   rc= memcached_append_by_key(memc,
00070                               master_key->c_ptr(),
00071                               master_key->length(),
00072                               key->c_ptr(), key->length(),
00073                               res->c_ptr(), res->length(),
00074                               expiration, (uint16_t) 0);
00075   if (rc != MEMCACHED_SUCCESS)
00076   {
00077     return 0;
00078   }
00079 
00080   return 1;
00081 }