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642.1.6
by Lee
move functions from item.cc/item.h to item directory |
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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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*
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* Copyright (C) 2008 Sun Microsystems
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <drizzled/server_includes.h> |
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#include CSTDINT_H
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#include <drizzled/item/int.h> |
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/**
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Create an item from a string we KNOW points to a valid int64_t
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end \\0 terminated number string.
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This is always 'signed'. Unsigned values are created with Item_uint()
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*/
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Item_int::Item_int(const char *str_arg, uint32_t length) |
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{
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char *end_ptr= (char*) str_arg + length; |
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int error; |
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value= my_strtoll10(str_arg, &end_ptr, &error); |
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max_length= (uint) (end_ptr - str_arg); |
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name= (char*) str_arg; |
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fixed= 1; |
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}
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my_decimal *Item_int::val_decimal(my_decimal *decimal_value) |
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{
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int2my_decimal(E_DEC_FATAL_ERROR, value, unsigned_flag, decimal_value); |
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return decimal_value; |
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}
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String *Item_int::val_str(String *str) |
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{
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// following assert is redundant, because fixed=1 assigned in constructor
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assert(fixed == 1); |
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str->set(value, &my_charset_bin); |
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return str; |
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}
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void Item_int::print(String *str, enum_query_type) |
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{
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// my_charset_bin is good enough for numbers
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str_value.set(value, &my_charset_bin); |
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str->append(str_value); |
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}
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int Item_int::save_in_field(Field *field, bool) |
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{
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int64_t nr=val_int(); |
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if (null_value) |
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return set_field_to_null(field); |
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field->set_notnull(); |
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return field->store(nr, unsigned_flag); |
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}
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bool Item_int::eq(const Item *arg, bool) const |
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{
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/* No need to check for null value as basic constant can't be NULL */
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if (arg->basic_const_item() && arg->type() == type()) |
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{
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/*
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We need to cast off const to call val_int(). This should be OK for
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a basic constant.
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*/
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Item *item= (Item*) arg; |
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return item->val_int() == value && item->unsigned_flag == unsigned_flag; |
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}
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return false; |
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}
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