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/* Copyright (C) 2002 MySQL 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 */
#ifdef __GNUC__
#pragma implementation
#endif
#if defined(WIN32) || defined(__WIN__)
#undef SAFEMALLOC /* Problems with threads */
#endif
#include "mysql_priv.h"
#include "sp_rcontext.h"
#include "sp_pcontext.h"
sp_rcontext::sp_rcontext(uint fsize, uint hmax)
: m_count(0), m_fsize(fsize), m_result(NULL), m_hcount(0), m_hsp(0)
{
m_frame= (Item **)sql_alloc(fsize * sizeof(Item*));
m_outs= (int *)sql_alloc(fsize * sizeof(int));
m_handler= (sp_handler_t *)sql_alloc(hmax * sizeof(sp_handler_t));
m_hstack= (uint *)sql_alloc(hmax * sizeof(uint));
m_saved.empty();
}
int
sp_rcontext::find_handler(uint sql_errno)
{
if (m_hfound >= 0)
return 1; // Already got one
const char *sqlstate= mysql_errno_to_sqlstate(sql_errno);
int i= m_hcount, found= 0;
while (!found && i--)
{
sp_cond_type_t *cond= m_handler[i].cond;
switch (cond->type)
{
case sp_cond_type_t::number:
if (sql_errno == cond->mysqlerr)
found= 1;
break;
case sp_cond_type_t::state:
if (strcmp(sqlstate, cond->sqlstate) == 0)
found= 1;
break;
case sp_cond_type_t::warning:
if (sqlstate[0] == '0' && sqlstate[0] == '1')
found= 1;
break;
case sp_cond_type_t::notfound:
if (sqlstate[0] == '0' && sqlstate[0] == '2')
found= 1;
break;
case sp_cond_type_t::exception:
if (sqlstate[0] != '0' || sqlstate[0] > '2')
found= 1;
break;
}
}
if (found)
m_hfound= i;
return found;
}
void
sp_rcontext::save_variables(uint fp)
{
while (fp < m_count)
m_saved.push_front(m_frame[fp++]);
}
void
sp_rcontext::restore_variables(uint fp)
{
uint i= m_count;
while (i-- > fp)
m_frame[i]= m_saved.pop();
}
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