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46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
#ifndef ITEM_NUMCONVFUNC_INCLUDED
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#define ITEM_NUMCONVFUNC_INCLUDED
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/*
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Copyright (c) 2009, 2025, MariaDB Corporation
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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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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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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 Street, Fifth Floor, Boston, MA 02110-1335 USA */
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#include "item_func.h"
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class Item_func_to_number: public Item_real_func
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{
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public:
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Item_func_to_number(THD *thd, Item *a, Item *b)
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:Item_real_func(thd, a, b)
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{ }
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bool fix_length_and_dec(THD *thd) override
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{
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set_maybe_null();
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decimals= NOT_FIXED_DEC;
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max_length= float_length(decimals);
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return false;
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}
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double val_real() override;
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LEX_CSTRING func_name_cstring() const override
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{
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static LEX_CSTRING name= {STRING_WITH_LEN("to_number") };
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return name;
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}
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Item *do_get_copy(THD *thd) const override
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{ return get_item_copy<Item_func_to_number>(thd, this); }
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};
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#endif // ITEM_NUMCONVFUNC_INCLUDED
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