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/*********************************************************************
*
* This is based on code created by Peter Harvey,
* (pharvey@codebydesign.com).
*
* Modified and extended by Nick Gorham
* (nick@easysoft.com).
*
* Any bugs or problems should be considered the fault of Nick and not
* Peter.
*
* copyright (c) 1999 Nick Gorham
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
**********************************************************************
*
* $Id: SQLCancel.c,v 1.3 2003/10/30 18:20:45 lurcher Exp $
*
* $Log: SQLCancel.c,v $
* Revision 1.3 2003/10/30 18:20:45 lurcher
*
* Fix broken thread protection
* Remove SQLNumResultCols after execute, lease S4/S% to driver
* Fix string overrun in SQLDriverConnect
* Add initial support for Interix
*
* Revision 1.2 2002/12/05 17:44:30 lurcher
*
* Display unknown return values in return logging
*
* Revision 1.1.1.1 2001/10/17 16:40:05 lurcher
*
* First upload to SourceForge
*
* Revision 1.2 2001/04/12 17:43:35 nick
*
* Change logging and added autotest to odbctest
*
* Revision 1.1.1.1 2000/09/04 16:42:52 nick
* Imported Sources
*
* Revision 1.7 1999/11/13 23:40:58 ngorham
*
* Alter the way DM logging works
* Upgrade the Postgres driver to 6.4.6
*
* Revision 1.6 1999/10/24 23:54:17 ngorham
*
* First part of the changes to the error reporting
*
* Revision 1.5 1999/09/21 22:34:24 ngorham
*
* Improve performance by removing unneeded logging calls when logging is
* disabled
*
* Revision 1.4 1999/07/10 21:10:15 ngorham
*
* Adjust error sqlstate from driver manager, depending on requested
* version (ODBC2/3)
*
* Revision 1.3 1999/07/04 21:05:06 ngorham
*
* Add LGPL Headers to code
*
* Revision 1.2 1999/06/30 23:56:54 ngorham
*
* Add initial thread safety code
*
* Revision 1.1.1.1 1999/05/29 13:41:05 sShandyb
* first go at it
*
* Revision 1.1.1.1 1999/05/27 18:23:17 pharvey
* Imported sources
*
* Revision 1.2 1999/05/04 22:41:12 nick
* and another night ends
*
* Revision 1.1 1999/04/25 23:02:41 nick
* Initial revision
*
*
**********************************************************************/
#include "drivermanager.h"
static char const rcsid[]= "$RCSfile: SQLCancel.c,v $ $Revision: 1.3 $";
SQLRETURN SQLCancel( SQLHSTMT statement_handle )
{
DMHSTMT statement = (DMHSTMT) statement_handle;
SQLRETURN ret;
SQLCHAR s1[ 100 + LOG_MESSAGE_LEN ];
/*
* check statement
*/
if ( !__validate_stmt( statement ))
{
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
"Error: SQL_INVALID_HANDLE" );
return SQL_INVALID_HANDLE;
}
function_entry( statement );
if ( log_info.log_flag )
{
sprintf( statement -> msg, "\n\t\tEntry:\
\n\t\t\tStatement = %p",
statement );
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
statement -> msg );
}
thread_protect( SQL_HANDLE_STMT, statement );
/*
* check states
*/
if ( !CHECK_SQLCANCEL( statement -> connection ))
{
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
"Error: IM001" );
__post_internal_error( &statement -> error,
ERROR_IM001, NULL,
statement -> connection -> environment -> requested_version );
return function_return( SQL_HANDLE_STMT, statement, SQL_ERROR );
}
ret = SQLCANCEL( statement -> connection,
statement -> driver_stmt );
if ( SQL_SUCCEEDED( ret ))
{
if ( statement -> state == STATE_S8 ||
statement -> state == STATE_S9 ||
statement -> state == STATE_S10 )
{
if ( statement -> interupted_func == SQL_API_SQLEXECDIRECT )
{
statement -> state = STATE_S1;
}
else if ( statement -> interupted_func == SQL_API_SQLEXECUTE )
{
if ( statement -> hascols )
{
statement -> state = STATE_S3;
}
else
{
statement -> state = STATE_S2;
}
}
else if ( statement -> interupted_func ==
SQL_API_SQLBULKOPERATIONS )
{
if ( statement -> interupted_state == STATE_S5 ||
statement -> interupted_state == STATE_S6 ||
statement -> interupted_state == STATE_S7 )
{
statement -> state = STATE_S6;
}
else
{
statement -> state = STATE_S6;
}
}
else if ( statement -> interupted_func ==
SQL_API_SQLSETPOS )
{
if ( statement -> interupted_state == STATE_S5 ||
statement -> interupted_state == STATE_S6 )
{
statement -> state = STATE_S6;
}
else if ( statement -> interupted_state == STATE_S7 )
{
statement -> state = STATE_S7;
}
}
}
else if ( statement -> state == STATE_S11 ||
statement -> state == STATE_S12 )
{
statement -> state = STATE_S12;
}
}
if ( log_info.log_flag )
{
sprintf( statement -> msg,
"\n\t\tExit:[%s]",
__get_return_status( ret, s1 ));
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
statement -> msg );
}
return function_return( SQL_HANDLE_STMT, statement, ret );
}
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