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492.3.2
by Lee
code clean up to moving functions into drizzled/functions directory - Item_num_op and Item_numhybrid |
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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 <cassert> |
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670.1.20
by Monty Taylor
Renamed functions to function... everything else is singular. |
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#include <drizzled/function/num_op.h> |
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492.3.2
by Lee
code clean up to moving functions into drizzled/functions directory - Item_num_op and Item_numhybrid |
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/**
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Check arguments here to determine result's type for a numeric
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function of two arguments.
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*/
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void Item_num_op::find_num_type(void) |
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{
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assert(arg_count == 2); |
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Item_result r0= args[0]->result_type(); |
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Item_result r1= args[1]->result_type(); |
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if (r0 == REAL_RESULT || r1 == REAL_RESULT || |
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r0 == STRING_RESULT || r1 ==STRING_RESULT) |
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{
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count_real_length(); |
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max_length= float_length(decimals); |
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hybrid_type= REAL_RESULT; |
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}
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else if (r0 == DECIMAL_RESULT || r1 == DECIMAL_RESULT) |
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{
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hybrid_type= DECIMAL_RESULT; |
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result_precision(); |
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}
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else
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{
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assert(r0 == INT_RESULT && r1 == INT_RESULT); |
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decimals= 0; |
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hybrid_type=INT_RESULT; |
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result_precision(); |
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}
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return; |
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}
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