Drizzled Public API Documentation

strfunc.h
00001 /* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
00002  *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
00003  *
00004  *  Copyright (C) 2008 Sun Microsystems, Inc.
00005  *
00006  *  This program is free software; you can redistribute it and/or modify
00007  *  it under the terms of the GNU General Public License as published by
00008  *  the Free Software Foundation; version 2 of the License.
00009  *
00010  *  This program is distributed in the hope that it will be useful,
00011  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013  *  GNU General Public License for more details.
00014  *
00015  *  You should have received a copy of the GNU General Public License
00016  *  along with this program; if not, write to the Free Software
00017  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00018  */
00019 
00020 #pragma once
00021 
00022 #include <drizzled/function/func.h>
00023 
00024 namespace drizzled
00025 {
00026 
00027 /* This file defines all string functions */
00028 
00029 class DRIZZLED_API Item_str_func :
00030   public Item_func
00031 {
00032 public:
00033   Item_str_func() :Item_func() { decimals=NOT_FIXED_DEC; }
00034   Item_str_func(Item *a) :Item_func(a) {decimals=NOT_FIXED_DEC; }
00035   Item_str_func(Item *a,Item *b) :Item_func(a,b) { decimals=NOT_FIXED_DEC; }
00036   Item_str_func(Item *a,Item *b,Item *c) :Item_func(a,b,c) { decimals=NOT_FIXED_DEC; }
00037   Item_str_func(Item *a,Item *b,Item *c,Item *d) :Item_func(a,b,c,d) {decimals=NOT_FIXED_DEC; }
00038   Item_str_func(Item *a,Item *b,Item *c,Item *d, Item* e) :Item_func(a,b,c,d,e) {decimals=NOT_FIXED_DEC; }
00039   Item_str_func(List<Item> &list) :Item_func(list) {decimals=NOT_FIXED_DEC; }
00040   virtual ~Item_str_func();
00041   int64_t val_int();
00042   double val_real();
00043   type::Decimal *val_decimal(type::Decimal *);
00044   enum Item_result result_type () const { return STRING_RESULT; }
00045   void left_right_max_length();
00046   bool fix_fields(Session *session, Item **ref);
00047 };
00048 
00049 } /* namespace drizzled */
00050