Drizzled Public API Documentation

memc_servers_set.h
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
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00032  */
00033 
00034 #pragma once
00035 
00036 #include <string>
00037 #include <drizzled/function/str/strfunc.h>
00038 #include <drizzled/item/func.h>
00039 #include <drizzled/charset.h>
00040 
00041 /* implements memc_servers_set */
00042 class MemcachedServersSet : public drizzled::Item_int_func
00043 {
00044 private:
00045   drizzled::String failure_buff;
00046   drizzled::String value;
00047 public:
00048   MemcachedServersSet()
00049     :
00050       Item_int_func(),
00051       failure_buff("FAILURE", &drizzled::my_charset_bin)
00052   {}
00053 
00054   ~MemcachedServersSet() {}
00055 
00056   const char *func_name() const
00057   {
00058     return "memc_servers_set";
00059   }
00060 
00061   int64_t val_int();
00062 
00063   void fix_length_and_dec()
00064   {
00065     max_length= 32;
00066     args[0]->collation.set(
00067       drizzled::get_charset_by_csname(args[0]->collation.collation->csname,
00068                                       MY_CS_BINSORT),
00069                                       drizzled::DERIVATION_COERCIBLE);
00070   }
00071   bool check_argument_count(int n)
00072   {
00073     return (n == 1);
00074   }
00075 
00076 };
00077