548 lines
17 KiB
C
548 lines
17 KiB
C
/*********************************************************************
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*
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* This is based on code created by Peter Harvey,
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* (pharvey@codebydesign.com).
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*
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* Modified and extended by Nick Gorham
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* (nick@lurcher.org).
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*
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* Any bugs or problems should be considered the fault of Nick and not
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* Peter.
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*
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* copyright (c) 1999 Nick Gorham
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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**********************************************************************
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*
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* $Id: SQLTransact.c,v 1.11 2009/02/18 17:59:08 lurcher Exp $
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*
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* $Log: SQLTransact.c,v $
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* Revision 1.11 2009/02/18 17:59:08 lurcher
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* Shift to using config.h, the compile lines were making it hard to spot warnings
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*
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* Revision 1.10 2007/08/30 12:54:17 lurcher
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* Add -3 option to isql to use ODBC3 calls
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*
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* Revision 1.9 2006/05/31 17:35:34 lurcher
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* Add unicode ODBCINST entry points
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*
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* Revision 1.8 2004/06/16 14:42:03 lurcher
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*
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*
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* Fix potential corruption with threaded use and SQLEndTran
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*
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* Revision 1.7 2003/10/30 18:20:46 lurcher
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*
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* Fix broken thread protection
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* Remove SQLNumResultCols after execute, lease S4/S% to driver
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* Fix string overrun in SQLDriverConnect
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* Add initial support for Interix
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*
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* Revision 1.6 2002/12/05 17:44:31 lurcher
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*
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* Display unknown return values in return logging
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*
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* Revision 1.5 2002/09/18 14:49:32 lurcher
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*
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* DataManagerII additions and some more threading fixes
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*
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* Revision 1.3 2002/08/20 12:41:07 lurcher
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*
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* Fix incorrect return state from SQLEndTran/SQLTransact
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*
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* Revision 1.2 2002/08/12 16:20:44 lurcher
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*
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* Make it try and find a working iconv set of encodings
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*
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* Revision 1.1.1.1 2001/10/17 16:40:07 lurcher
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*
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* First upload to SourceForge
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*
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* Revision 1.2 2001/04/12 17:43:36 nick
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*
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* Change logging and added autotest to odbctest
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*
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* Revision 1.1.1.1 2000/09/04 16:42:52 nick
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* Imported Sources
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*
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* Revision 1.10 2000/08/16 15:57:51 ngorham
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*
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* Fix bug where it falled if called in state C4
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*
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* Revision 1.9 1999/11/13 23:41:01 ngorham
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*
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* Alter the way DM logging works
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* Upgrade the Postgres driver to 6.4.6
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*
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* Revision 1.8 1999/10/24 23:54:19 ngorham
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*
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* First part of the changes to the error reporting
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*
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* Revision 1.7 1999/10/20 19:45:15 ngorham
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*
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* Added fix to SQLTransact in the DM
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*
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* Revision 1.6 1999/09/21 22:34:26 ngorham
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*
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* Improve performance by removing unneeded logging calls when logging is
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* disabled
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*
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* Revision 1.5 1999/07/10 21:10:17 ngorham
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*
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* Adjust error sqlstate from driver manager, depending on requested
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* version (ODBC2/3)
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*
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* Revision 1.4 1999/07/04 21:05:08 ngorham
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*
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* Add LGPL Headers to code
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*
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* Revision 1.3 1999/06/30 23:56:56 ngorham
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*
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* Add initial thread safety code
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*
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* Revision 1.2 1999/06/19 17:51:40 ngorham
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*
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* Applied assorted minor bug fixes
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*
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* Revision 1.1.1.1 1999/05/29 13:41:09 sShandyb
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* first go at it
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*
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* Revision 1.3 1999/06/02 20:12:10 ngorham
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*
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* Fixed botched log entry, and removed the dos \r from the sql header files.
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*
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* Revision 1.2 1999/06/02 19:57:21 ngorham
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*
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* Added code to check if a attempt is being made to compile with a C++
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* Compiler, and issue a message.
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* Start work on the ODBC2-3 conversions.
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*
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* Revision 1.1.1.1 1999/05/27 18:23:18 pharvey
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* Imported sources
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*
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* Revision 1.2 1999/05/09 23:27:11 nick
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* All the API done now
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*
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* Revision 1.1 1999/04/25 23:06:11 nick
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* Initial revision
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*
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*
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**********************************************************************/
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#include <config.h>
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#include "drivermanager.h"
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static char const rcsid[]= "$RCSfile: SQLTransact.c,v $ $Revision: 1.11 $";
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SQLRETURN SQLTransact( SQLHENV environment_handle,
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SQLHDBC connection_handle,
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SQLUSMALLINT completion_type )
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{
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SQLCHAR s1[ 100 + LOG_MESSAGE_LEN ];
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/*
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* check either handle first
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*/
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if ( connection_handle != SQL_NULL_HDBC )
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{
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DMHDBC connection = (DMHDBC) connection_handle;
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if ( !__validate_dbc( connection ))
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{
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dm_log_write( __FILE__,
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__LINE__,
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LOG_INFO,
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LOG_INFO,
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"Error: SQL_INVALID_HANDLE" );
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return SQL_INVALID_HANDLE;
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}
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}
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if ( environment_handle != SQL_NULL_HENV )
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{
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DMHENV environment = (DMHENV) environment_handle;
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if ( !__validate_env( environment ))
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{
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dm_log_write( __FILE__,
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__LINE__,
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LOG_INFO,
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LOG_INFO,
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"Error: SQL_INVALID_HANDLE" );
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return SQL_INVALID_HANDLE;
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}
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}
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if ( connection_handle != SQL_NULL_HDBC )
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{
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DMHDBC connection = (DMHDBC) connection_handle;
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SQLRETURN ret;
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function_entry( connection );
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if ( log_info.log_flag )
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{
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sprintf( connection -> msg, "\n\t\tEntry:\
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\n\t\t\tEnvironment = %p\
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\n\t\t\tConnection = %p\
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\n\t\t\tCompletion Type = %d",
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(void*)environment_handle,
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(void*)connection_handle,
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(int)completion_type );
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dm_log_write( __FILE__,
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__LINE__,
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LOG_INFO,
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LOG_INFO,
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connection -> msg );
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}
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thread_protect( SQL_HANDLE_DBC, connection );
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if ( connection -> state == STATE_C1 ||
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connection -> state == STATE_C2 ||
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connection -> state == STATE_C3 )
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{
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dm_log_write( __FILE__,
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__LINE__,
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LOG_INFO,
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LOG_INFO,
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"Error: 08003" );
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__post_internal_error( &connection -> error,
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ERROR_08003, NULL,
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connection -> environment -> requested_version );
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return function_return_nodrv( SQL_HANDLE_DBC, connection, SQL_ERROR );
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}
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/*
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* check status of statements belonging to this connection
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*/
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if( __check_stmt_from_dbc_v( connection, 8, STATE_S8, STATE_S9, STATE_S10, STATE_S11, STATE_S12, STATE_S13, STATE_S14, STATE_S15 )) {
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dm_log_write( __FILE__,
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__LINE__,
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LOG_INFO,
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LOG_INFO,
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"Error: HY010" );
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__post_internal_error( &connection -> error,
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ERROR_HY010, NULL,
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connection -> environment -> requested_version );
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return function_return_nodrv( SQL_HANDLE_DBC, connection, SQL_ERROR );
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}
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if ( completion_type != SQL_COMMIT &&
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completion_type != SQL_ROLLBACK )
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{
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dm_log_write( __FILE__,
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__LINE__,
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LOG_INFO,
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LOG_INFO,
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"Error: HY012" );
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__post_internal_error( &connection -> error,
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ERROR_HY012, NULL,
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connection -> environment -> requested_version );
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return function_return_nodrv( SQL_HANDLE_DBC, connection, SQL_ERROR );
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}
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if ( CHECK_SQLTRANSACT( connection ))
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{
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ret = SQLTRANSACT( connection,
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SQL_NULL_HENV,
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connection -> driver_dbc,
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completion_type );
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}
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else if ( CHECK_SQLENDTRAN( connection ))
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{
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ret = SQLENDTRAN( connection,
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SQL_HANDLE_DBC,
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connection -> driver_dbc,
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completion_type );
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}
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else
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{
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dm_log_write( __FILE__,
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__LINE__,
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LOG_INFO,
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LOG_INFO,
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"Error: IM001" );
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__post_internal_error( &connection -> error,
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ERROR_IM001, NULL,
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connection -> environment -> requested_version );
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return function_return_nodrv( SQL_HANDLE_DBC, connection, SQL_ERROR );
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}
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if( SQL_SUCCEEDED(ret) && connection -> auto_commit == SQL_AUTOCOMMIT_OFF )
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{
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SQLSMALLINT cb_value;
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SQLSMALLINT cb_value_length = sizeof(SQLSMALLINT);
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SQLRETURN ret1;
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/*
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* for each statement belonging to this connection set its state
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* relative to the commit or rollback behavior
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*/
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if ( connection -> cbs_found == 0 )
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{
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/* release thread so we can get the info */
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thread_release( SQL_HANDLE_DBC, connection );
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ret1 = SQLGetInfo(connection,
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SQL_CURSOR_COMMIT_BEHAVIOR,
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&connection -> ccb_value,
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sizeof( SQLSMALLINT ),
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&cb_value_length);
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if ( SQL_SUCCEEDED( ret1 ))
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{
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ret1 = SQLGetInfo(connection,
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SQL_CURSOR_ROLLBACK_BEHAVIOR,
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&connection -> crb_value,
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sizeof( SQLSMALLINT ),
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&cb_value_length);
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}
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/* protect thread again */
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thread_protect( SQL_HANDLE_DBC, connection );
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if ( SQL_SUCCEEDED( ret1 ))
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{
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connection -> cbs_found = 1;
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}
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}
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if( completion_type == SQL_COMMIT )
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{
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cb_value = connection -> ccb_value;
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}
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else
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{
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cb_value = connection -> crb_value;
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}
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if( connection -> cbs_found )
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{
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__set_stmt_state( connection, cb_value );
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}
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}
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if ( log_info.log_flag )
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{
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sprintf( connection -> msg,
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"\n\t\tExit:[%s]",
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__get_return_status( ret, s1 ));
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dm_log_write( __FILE__,
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__LINE__,
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LOG_INFO,
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LOG_INFO,
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connection -> msg );
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}
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return function_return( SQL_HANDLE_DBC, connection, ret );
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}
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else if ( environment_handle != SQL_NULL_HENV )
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{
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DMHENV environment = (DMHENV) environment_handle;
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DMHDBC connection;
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SQLRETURN ret;
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function_entry( environment );
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if ( log_info.log_flag )
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{
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sprintf( environment -> msg, "\n\t\tEntry:\
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\n\t\t\tEnvironment = %p\
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\n\t\t\tConnection = %p\
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\n\t\t\tCompletion Type = %d",
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(void*)environment_handle,
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(void*)connection_handle,
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(int)completion_type );
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dm_log_write( __FILE__,
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__LINE__,
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LOG_INFO,
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LOG_INFO,
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environment -> msg );
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}
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thread_protect( SQL_HANDLE_ENV, environment );
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if ( completion_type != SQL_COMMIT &&
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completion_type != SQL_ROLLBACK )
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{
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dm_log_write( __FILE__,
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__LINE__,
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LOG_INFO,
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LOG_INFO,
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"Error: HY012" );
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__post_internal_error( &environment -> error,
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ERROR_HY012, NULL,
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environment -> requested_version );
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return function_return_nodrv( SQL_HANDLE_ENV, environment, SQL_ERROR );
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}
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if ( environment -> state == STATE_E2 )
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{
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/*
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* check that none of the connections are in a need data state
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*/
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connection = __get_dbc_root();
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while( connection )
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{
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if ( connection -> environment == environment &&
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connection -> state > STATE_C4 )
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{
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if( __check_stmt_from_dbc_v( connection, 8, STATE_S8, STATE_S9, STATE_S10, STATE_S11, STATE_S12, STATE_S13, STATE_S14, STATE_S15 )) {
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dm_log_write( __FILE__,
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__LINE__,
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LOG_INFO,
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LOG_INFO,
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"Error: HY010" );
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__post_internal_error( &environment -> error,
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ERROR_HY010, NULL,
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environment -> requested_version );
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return function_return_nodrv( SQL_HANDLE_ENV, environment, SQL_ERROR );
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}
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}
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connection = connection -> next_class_list;
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}
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/*
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* for each connection on this env
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*/
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connection = __get_dbc_root();
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while( connection )
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{
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if ( connection -> environment == environment &&
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connection -> state > STATE_C4 )
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{
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if ( CHECK_SQLTRANSACT( connection ))
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{
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ret = SQLTRANSACT( connection,
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SQL_NULL_HENV,
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connection -> driver_dbc,
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completion_type );
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if ( !SQL_SUCCEEDED( ret ))
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{
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dm_log_write( __FILE__,
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__LINE__,
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LOG_INFO,
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LOG_INFO,
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"Error: 24S01" );
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__post_internal_error( &environment -> error,
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ERROR_25S01, NULL,
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environment -> requested_version );
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thread_release( SQL_HANDLE_ENV, environment );
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return function_return( SQL_HANDLE_ENV, environment, SQL_ERROR );
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}
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}
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else if ( CHECK_SQLENDTRAN( connection ))
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{
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ret = SQLENDTRAN( connection,
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SQL_HANDLE_DBC,
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connection -> driver_dbc,
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completion_type );
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if ( !SQL_SUCCEEDED( ret ))
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{
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dm_log_write( __FILE__,
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__LINE__,
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LOG_INFO,
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LOG_INFO,
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"Error: 24S01" );
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__post_internal_error( &environment -> error,
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ERROR_25S01, NULL,
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environment -> requested_version );
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return function_return( SQL_HANDLE_ENV, environment, SQL_ERROR );
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}
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}
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else
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{
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dm_log_write( __FILE__,
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__LINE__,
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LOG_INFO,
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LOG_INFO,
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"Error: IM001" );
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__post_internal_error( &environment -> error,
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ERROR_IM001, NULL,
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environment -> requested_version );
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return function_return_nodrv( SQL_HANDLE_ENV, environment, SQL_ERROR );
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}
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}
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connection = connection -> next_class_list;
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}
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}
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if ( log_info.log_flag )
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{
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sprintf( environment -> msg,
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"\n\t\tExit:[%s]",
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__get_return_status( SQL_SUCCESS, s1 ));
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dm_log_write( __FILE__,
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__LINE__,
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LOG_INFO,
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LOG_INFO,
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environment -> msg );
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}
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thread_release( SQL_HANDLE_ENV, environment );
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return SQL_SUCCESS;
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}
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else
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{
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dm_log_write( __FILE__,
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__LINE__,
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LOG_INFO,
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LOG_INFO,
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"Error: SQL_INVALID_HANDLE" );
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return SQL_INVALID_HANDLE;
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}
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}
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