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 #include <config.h> 00021 00022 #include <drizzled/item/ref.h> 00023 #include <drizzled/item/ref_null_helper.h> 00024 #include <drizzled/item/subselect.h> 00025 #include <drizzled/lex_string.h> 00026 00027 namespace drizzled 00028 { 00029 00030 double Item_ref_null_helper::val_real() 00031 { 00032 assert(fixed == 1); 00033 double tmp= (*ref)->val_result(); 00034 owner->was_null|= null_value= (*ref)->null_value; 00035 return tmp; 00036 } 00037 00038 00039 int64_t Item_ref_null_helper::val_int() 00040 { 00041 assert(fixed == 1); 00042 int64_t tmp= (*ref)->val_int_result(); 00043 owner->was_null|= null_value= (*ref)->null_value; 00044 return tmp; 00045 } 00046 00047 00048 type::Decimal *Item_ref_null_helper::val_decimal(type::Decimal *decimal_value) 00049 { 00050 assert(fixed == 1); 00051 type::Decimal *val= (*ref)->val_decimal_result(decimal_value); 00052 owner->was_null|= null_value= (*ref)->null_value; 00053 return val; 00054 } 00055 00056 bool Item_ref_null_helper::val_bool() 00057 { 00058 assert(fixed == 1); 00059 bool val= (*ref)->val_bool_result(); 00060 owner->was_null|= null_value= (*ref)->null_value; 00061 return val; 00062 } 00063 00064 00065 String* Item_ref_null_helper::val_str(String* s) 00066 { 00067 assert(fixed == 1); 00068 String* tmp= (*ref)->str_result(s); 00069 owner->was_null|= null_value= (*ref)->null_value; 00070 return tmp; 00071 } 00072 00073 bool Item_ref_null_helper::get_date(type::Time <ime, uint32_t fuzzydate) 00074 { 00075 return (owner->was_null|= null_value= (*ref)->get_date(ltime, fuzzydate)); 00076 } 00077 00078 void Item_ref_null_helper::print(String *str) 00079 { 00080 str->append(STRING_WITH_LEN("<ref_null_helper>(")); 00081 if (ref) 00082 (*ref)->print(str); 00083 else 00084 str->append('?'); 00085 str->append(')'); 00086 } 00087 00088 } /* namespace drizzled */