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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670.1.20
by Monty Taylor
Renamed functions to function... everything else is singular. |
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#include <drizzled/function/numhybrid.h> |
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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void Item_func_numhybrid::fix_num_length_and_dec() |
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{}
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void Item_func_numhybrid::fix_length_and_dec() |
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{
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fix_num_length_and_dec(); |
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find_num_type(); |
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}
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String *Item_func_numhybrid::val_str(String *str) |
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{
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assert(fixed == 1); |
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switch (hybrid_type) { |
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case DECIMAL_RESULT: |
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{
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my_decimal decimal_value, *val; |
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if (!(val= decimal_op(&decimal_value))) |
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return 0; // null is set |
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my_decimal_round(E_DEC_FATAL_ERROR, val, decimals, false, val); |
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my_decimal2string(E_DEC_FATAL_ERROR, val, 0, 0, 0, str); |
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break; |
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}
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case INT_RESULT: |
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{
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int64_t nr= int_op(); |
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if (null_value) |
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return 0; /* purecov: inspected */ |
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str->set_int(nr, unsigned_flag, &my_charset_bin); |
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break; |
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}
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case REAL_RESULT: |
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{
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double nr= real_op(); |
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if (null_value) |
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return 0; /* purecov: inspected */ |
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str->set_real(nr,decimals,&my_charset_bin); |
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break; |
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}
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case STRING_RESULT: |
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return str_op(&str_value); |
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default: |
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assert(0); |
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}
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return str; |
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}
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double Item_func_numhybrid::val_real() |
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{
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assert(fixed == 1); |
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switch (hybrid_type) { |
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case DECIMAL_RESULT: |
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{
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my_decimal decimal_value, *val; |
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double result; |
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if (!(val= decimal_op(&decimal_value))) |
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return 0.0; // null is set |
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my_decimal2double(E_DEC_FATAL_ERROR, val, &result); |
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return result; |
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}
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case INT_RESULT: |
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{
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int64_t result= int_op(); |
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return unsigned_flag ? (double) ((uint64_t) result) : (double) result; |
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}
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case REAL_RESULT: |
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return real_op(); |
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case STRING_RESULT: |
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{
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char *end_not_used; |
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int err_not_used; |
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String *res= str_op(&str_value); |
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return (res ? my_strntod(res->charset(), (char*) res->ptr(), res->length(), |
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&end_not_used, &err_not_used) : 0.0); |
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}
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default: |
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assert(0); |
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}
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return 0.0; |
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}
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int64_t Item_func_numhybrid::val_int() |
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{
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assert(fixed == 1); |
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switch (hybrid_type) { |
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case DECIMAL_RESULT: |
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{
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my_decimal decimal_value, *val; |
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if (!(val= decimal_op(&decimal_value))) |
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return 0; // null is set |
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int64_t result; |
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my_decimal2int(E_DEC_FATAL_ERROR, val, unsigned_flag, &result); |
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return result; |
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}
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case INT_RESULT: |
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return int_op(); |
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case REAL_RESULT: |
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return (int64_t) rint(real_op()); |
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case STRING_RESULT: |
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{
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int err_not_used; |
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String *res; |
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if (!(res= str_op(&str_value))) |
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return 0; |
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char *end= (char*) res->ptr() + res->length(); |
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const CHARSET_INFO * const cs= str_value.charset(); |
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return (*(cs->cset->strtoll10))(cs, res->ptr(), &end, &err_not_used); |
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}
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default: |
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assert(0); |
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}
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return 0; |
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}
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my_decimal *Item_func_numhybrid::val_decimal(my_decimal *decimal_value) |
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{
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my_decimal *val= decimal_value; |
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assert(fixed == 1); |
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switch (hybrid_type) { |
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case DECIMAL_RESULT: |
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val= decimal_op(decimal_value); |
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break; |
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case INT_RESULT: |
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{
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int64_t result= int_op(); |
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int2my_decimal(E_DEC_FATAL_ERROR, result, unsigned_flag, decimal_value); |
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break; |
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}
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case REAL_RESULT: |
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{
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double result= (double)real_op(); |
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double2my_decimal(E_DEC_FATAL_ERROR, result, decimal_value); |
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break; |
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}
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case STRING_RESULT: |
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{
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String *res; |
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if (!(res= str_op(&str_value))) |
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return NULL; |
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str2my_decimal(E_DEC_FATAL_ERROR, (char*) res->ptr(), |
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res->length(), res->charset(), decimal_value); |
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break; |
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660.1.3
by Eric Herman
removed trailing whitespace with simple script: |
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}
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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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case ROW_RESULT: |
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default: |
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assert(0); |
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}
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return val; |
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}
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