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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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#ifndef DRIZZLED_ITEM_DECIMAL_H
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#define DRIZZLED_ITEM_DECIMAL_H
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#include <drizzled/item/num.h> |
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/* decimal (fixed point) constant */
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class Item_decimal :public Item_num |
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{
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protected: |
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my_decimal decimal_value; |
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public: |
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Item_decimal(const char *str_arg, uint32_t length, const CHARSET_INFO * const charset); |
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Item_decimal(const char *str, const my_decimal *val_arg, |
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uint32_t decimal_par, uint32_t length); |
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Item_decimal(my_decimal *value_par); |
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Item_decimal(int64_t val, bool unsig); |
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Item_decimal(double val, int precision, int scale); |
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Item_decimal(const unsigned char *bin, int precision, int scale); |
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enum Type type() const { return DECIMAL_ITEM; } |
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enum Item_result result_type () const { return DECIMAL_RESULT; } |
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enum_field_types field_type() const { return DRIZZLE_TYPE_NEWDECIMAL; } |
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int64_t val_int(); |
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double val_real(); |
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String *val_str(String*); |
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my_decimal *val_decimal(my_decimal *) |
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{ return &decimal_value; } |
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int save_in_field(Field *field, bool no_conversions); |
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bool basic_const_item() const { return 1; } |
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Item *clone_item() |
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{
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return new Item_decimal(name, &decimal_value, decimals, max_length); |
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}
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virtual void print(String *str, enum_query_type query_type); |
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Item_num *neg() |
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{
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my_decimal_neg(&decimal_value); |
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unsigned_flag= !decimal_value.sign(); |
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return this; |
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}
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uint32_t decimal_precision() const { return decimal_value.precision(); } |
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bool eq(const Item *, bool binary_cmp) const; |
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void set_decimal_value(my_decimal *value_par); |
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bool check_vcol_func_processor(unsigned char *) |
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{ return false; } |
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};
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#endif /* DRIZZLED_ITEM_DECIMAL_H */ |