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629.6.7
by Lee
final clean up of item/func functions moving them to the functions 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 <drizzled/session.h> |
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#include CSTDINT_H
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/** Get the value of a variable as a double. */
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double user_var_entry::val_real(bool *null_value) |
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{
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if ((*null_value= (value == 0))) |
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return 0.0; |
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switch (type) { |
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case REAL_RESULT: |
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return *(double*) value; |
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case INT_RESULT: |
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return (double) *(int64_t*) value; |
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case DECIMAL_RESULT: |
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{
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double result; |
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my_decimal2double(E_DEC_FATAL_ERROR, (my_decimal *)value, &result); |
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return result; |
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}
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case STRING_RESULT: |
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return my_atof(value); // This is null terminated |
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case ROW_RESULT: |
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assert(1); // Impossible |
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break; |
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}
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return 0.0; // Impossible |
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}
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/** Get the value of a variable as an integer. */
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int64_t user_var_entry::val_int(bool *null_value) const |
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{
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if ((*null_value= (value == 0))) |
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return 0L; |
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switch (type) { |
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case REAL_RESULT: |
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return (int64_t) *(double*) value; |
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case INT_RESULT: |
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return *(int64_t*) value; |
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case DECIMAL_RESULT: |
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{
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int64_t result; |
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my_decimal2int(E_DEC_FATAL_ERROR, (my_decimal *)value, 0, &result); |
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return result; |
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}
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case STRING_RESULT: |
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{
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int error; |
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return my_strtoll10(value, (char**) 0, &error);// String is null terminated |
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}
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case ROW_RESULT: |
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assert(1); // Impossible |
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break; |
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}
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return 0L; // Impossible |
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}
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/** Get the value of a variable as a string. */
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String *user_var_entry::val_str(bool *null_value, String *str, |
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uint32_t decimals) |
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{
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if ((*null_value= (value == 0))) |
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return (String*) 0; |
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switch (type) { |
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case REAL_RESULT: |
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str->set_real(*(double*) value, decimals, &my_charset_bin); |
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break; |
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case INT_RESULT: |
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if (!unsigned_flag) |
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str->set(*(int64_t*) value, &my_charset_bin); |
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else
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str->set(*(uint64_t*) value, &my_charset_bin); |
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break; |
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case DECIMAL_RESULT: |
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my_decimal2string(E_DEC_FATAL_ERROR, (my_decimal *)value, 0, 0, 0, str); |
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break; |
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case STRING_RESULT: |
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if (str->copy(value, length, collation.collation)) |
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str= 0; // EOM error |
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case ROW_RESULT: |
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assert(1); // Impossible |
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break; |
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}
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return(str); |
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}
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/** Get the value of a variable as a decimal. */
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my_decimal *user_var_entry::val_decimal(bool *null_value, my_decimal *val) |
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{
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if ((*null_value= (value == 0))) |
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return 0; |
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switch (type) { |
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case REAL_RESULT: |
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double2my_decimal(E_DEC_FATAL_ERROR, *(double*) value, val); |
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break; |
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case INT_RESULT: |
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int2my_decimal(E_DEC_FATAL_ERROR, *(int64_t*) value, 0, val); |
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break; |
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case DECIMAL_RESULT: |
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val= (my_decimal *)value; |
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break; |
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case STRING_RESULT: |
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str2my_decimal(E_DEC_FATAL_ERROR, value, length, collation.collation, val); |
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break; |
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case ROW_RESULT: |
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assert(1); // Impossible |
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break; |
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}
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return(val); |
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}
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