Drizzled Public API Documentation

memc_delete_by_key.h
00001 /* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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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
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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
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00031 
00032 #pragma once
00033 
00034 #include <drizzled/function/str/strfunc.h>
00035 #include <drizzled/item/func.h>
00036 
00037 /* implements memc_delete */
00038 class MemcachedDeleteByKey : public drizzled::Item_int_func
00039 {
00040   drizzled::String failure_buff;
00041   drizzled::String value;
00042 public:
00043   MemcachedDeleteByKey()
00044     :
00045       Item_int_func(),
00046       failure_buff("0", &drizzled::my_charset_bin)
00047   {}
00048 
00049   const char *func_name() const
00050   {
00051     return "memc_delete_by_key";
00052   }
00053 
00054   int64_t val_int();
00055 
00056   void fix_length_and_dec()
00057   {
00058     max_length= 32;
00059   }
00060   bool check_argument_count(int n)
00061   {
00062     return (n == 2);
00063   }
00064 
00065 };
00066