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/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
/* Procedures (functions with changes output of select) */
#include <my_global.h>
#ifdef USE_PRAGMA_IMPLEMENTATION
#pragma implementation // gcc: Class implementation
#endif
#include "mysql_priv.h"
#include "procedure.h"
#include "sql_analyse.h" // Includes procedure
#ifdef USE_PROC_RANGE
#include "proc_range.h"
#endif
static struct st_procedure_def {
const char *name;
Procedure *(*init)(THD *thd,ORDER *param,select_result *result,
List<Item> &field_list);
} sql_procs[] = {
#ifdef USE_PROC_RANGE
{ "split_sum",proc_sum_range_init }, // Internal procedure at TCX
{ "split_count",proc_count_range_init }, // Internal procedure at TCX
{ "matris_ranges",proc_matris_range_init }, // Internal procedure at TCX
#endif
{ "analyse",proc_analyse_init } // Analyse a result
};
my_decimal *Item_proc_string::val_decimal(my_decimal *decimal_value)
{
if (null_value)
return 0;
string2my_decimal(E_DEC_FATAL_ERROR, &str_value, decimal_value);
return (decimal_value);
}
my_decimal *Item_proc_int::val_decimal(my_decimal *decimal_value)
{
if (null_value)
return 0;
int2my_decimal(E_DEC_FATAL_ERROR, value, unsigned_flag, decimal_value);
return (decimal_value);
}
my_decimal *Item_proc_real::val_decimal(my_decimal *decimal_value)
{
if (null_value)
return 0;
double2my_decimal(E_DEC_FATAL_ERROR, value, decimal_value);
return (decimal_value);
}
/*****************************************************************************
** Setup handling of procedure
** Return 0 if everything is ok
*****************************************************************************/
Procedure *
setup_procedure(THD *thd,ORDER *param,select_result *result,
List<Item> &field_list,int *error)
{
uint i;
DBUG_ENTER("setup_procedure");
*error=0;
if (!param)
DBUG_RETURN(0);
for (i=0 ; i < array_elements(sql_procs) ; i++)
{
if (!my_strcasecmp(system_charset_info,
(*param->item)->name,sql_procs[i].name))
{
Procedure *proc=(*sql_procs[i].init)(thd,param,result,field_list);
*error= !proc;
DBUG_RETURN(proc);
}
}
my_error(ER_UNKNOWN_PROCEDURE, MYF(0), (*param->item)->name);
*error=1;
DBUG_RETURN(0);
}
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