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mysql-3.23.28g-win-source.exe
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procedure.cpp
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C/C++ Source or Header
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1999-10-21
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/* Copyright (C) 1979-1996 TcX AB & Monty Program KB & Detron HB
This software is distributed with NO WARRANTY OF ANY KIND. No author or
distributor accepts any responsibility for the consequences of using it, or
for whether it serves any particular purpose or works at all, unless he or
she says so in writing. Refer to the Free Public License (the "License")
for full details.
Every copy of this file must include a copy of the License, normally in a
plain ASCII text file named PUBLIC. The License grants you the right to
copy, modify and redistribute this file, but only under certain conditions
described in the License. Among other things, the License requires that
the copyright notice and this notice be preserved on all copies. */
/* Procedures (functions with changes output of select) */
#ifdef __GNUC__
#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
};
/*****************************************************************************
** 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((*param->item)->name,sql_procs[i].name))
{
Procedure *proc=(*sql_procs[i].init)(thd,param,result,field_list);
*error= !proc;
DBUG_RETURN(proc);
}
}
my_printf_error(ER_UNKNOWN_PROCEDURE,ER(ER_UNKNOWN_PROCEDURE),MYF(0),
(*param->item)->name);
*error=1;
DBUG_RETURN(0);
}