397 lines
12 KiB
C
397 lines
12 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: SQLSetDescField.c,v 1.7 2009/02/18 17:59:08 lurcher Exp $
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*
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* $Log: SQLSetDescField.c,v $
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* Revision 1.7 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 1.6 2007/05/25 16:42:32 lurcher
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* Sync up
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*
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* Revision 1.5 2005/11/21 17:25:43 lurcher
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* A few DM fixes for Oracle's ODBC driver
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*
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* Revision 1.4 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 1.3 2003/02/27 12:19:40 lurcher
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*
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* Add the A functions as well as the W
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*
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* Revision 1.2 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 1.1.1.1 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 1.4 2001/07/03 09:30:41 nick
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*
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* Add ability to alter size of displayed message in the log
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*
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* Revision 1.3 2001/04/17 16:29:39 nick
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*
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* More checks and autotest fixes
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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 1.7 1999/11/13 23:41:00 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 1.6 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 1.5 1999/09/21 22:34:25 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 1.4 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 1.3 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 1.2 1999/06/30 23:56:55 ngorham
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*
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* Add initial thread safety code
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*
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* Revision 1.1.1.1 1999/05/29 13:41:08 sShandyb
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* first go at it
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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 1999/05/04 22:41:12 nick
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* and another night ends
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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: SQLSetDescField.c,v $ $Revision: 1.7 $";
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SQLRETURN SQLSetDescFieldA( SQLHDESC descriptor_handle,
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SQLSMALLINT rec_number,
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SQLSMALLINT field_identifier,
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SQLPOINTER value,
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SQLINTEGER buffer_length )
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{
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return SQLSetDescField( descriptor_handle,
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rec_number,
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field_identifier,
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value,
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buffer_length );
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}
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SQLRETURN SQLSetDescField( SQLHDESC descriptor_handle,
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SQLSMALLINT rec_number,
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SQLSMALLINT field_identifier,
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SQLPOINTER value,
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SQLINTEGER buffer_length )
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{
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/*
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* not quite sure how the descriptor can be
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* allocated to a statement, all the documentation talks
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* about state transitions on statement states, but the
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* descriptor may be allocated with more than one statement
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* at one time. Which one should I check ?
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*/
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DMHDESC descriptor = (DMHDESC) descriptor_handle;
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SQLRETURN ret;
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SQLCHAR s1[ 100 + LOG_MESSAGE_LEN ];
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int isStrField = 0;
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/*
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* check descriptor
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*/
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if ( !__validate_desc( descriptor ))
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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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function_entry( descriptor );
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if ( log_info.log_flag )
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{
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sprintf( descriptor -> msg, "\n\t\tEntry:\
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\n\t\t\tDescriptor = %p\
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\n\t\t\tRec Number = %d\
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\n\t\t\tField Ident = %s\
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\n\t\t\tValue = %p\
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\n\t\t\tBuffer Length = %d",
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descriptor,
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rec_number,
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__desc_attr_as_string( s1, field_identifier ),
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value,
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(int)buffer_length );
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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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descriptor -> msg );
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}
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thread_protect( SQL_HANDLE_DESC, descriptor );
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if ( descriptor -> connection -> state < STATE_C4 )
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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: HY010" );
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__post_internal_error( &descriptor -> error,
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ERROR_HY010, NULL,
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descriptor -> connection -> environment -> requested_version );
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return function_return_nodrv( SQL_HANDLE_DESC, descriptor, SQL_ERROR );
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}
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/*
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* check status of statements associated with this descriptor
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*/
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if( __check_stmt_from_desc( descriptor, STATE_S8 ) ||
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__check_stmt_from_desc( descriptor, STATE_S9 ) ||
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__check_stmt_from_desc( descriptor, STATE_S10 ) ||
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__check_stmt_from_desc( descriptor, STATE_S11 ) ||
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__check_stmt_from_desc( descriptor, STATE_S12 ) ||
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__check_stmt_from_desc( descriptor, STATE_S13 ) ||
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__check_stmt_from_desc( descriptor, STATE_S14 ) ||
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__check_stmt_from_desc( descriptor, 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( &descriptor -> error,
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ERROR_HY010, NULL,
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descriptor -> connection -> environment -> requested_version );
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return function_return_nodrv( SQL_HANDLE_DESC, descriptor, SQL_ERROR );
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}
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if ( rec_number < 0 )
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{
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__post_internal_error( &descriptor -> error,
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ERROR_07009, NULL,
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descriptor -> connection -> environment -> requested_version );
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return function_return_nodrv( SQL_HANDLE_DESC, descriptor, SQL_ERROR );
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}
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switch ( field_identifier )
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{
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/* Fixed-length fields: buffer_length is ignored */
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case SQL_DESC_ALLOC_TYPE:
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case SQL_DESC_ARRAY_SIZE:
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case SQL_DESC_ARRAY_STATUS_PTR:
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case SQL_DESC_BIND_OFFSET_PTR:
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case SQL_DESC_BIND_TYPE:
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case SQL_DESC_COUNT:
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case SQL_DESC_ROWS_PROCESSED_PTR:
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case SQL_DESC_AUTO_UNIQUE_VALUE:
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case SQL_DESC_CASE_SENSITIVE:
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case SQL_DESC_CONCISE_TYPE:
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case SQL_DESC_DATA_PTR:
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case SQL_DESC_DATETIME_INTERVAL_CODE:
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case SQL_DESC_DATETIME_INTERVAL_PRECISION:
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case SQL_DESC_DISPLAY_SIZE:
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case SQL_DESC_FIXED_PREC_SCALE:
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case SQL_DESC_INDICATOR_PTR:
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case SQL_DESC_LENGTH:
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case SQL_DESC_NULLABLE:
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case SQL_DESC_NUM_PREC_RADIX:
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case SQL_DESC_OCTET_LENGTH:
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case SQL_DESC_OCTET_LENGTH_PTR:
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case SQL_DESC_PARAMETER_TYPE:
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case SQL_DESC_PRECISION:
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case SQL_DESC_ROWVER:
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case SQL_DESC_SCALE:
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case SQL_DESC_SEARCHABLE:
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case SQL_DESC_TYPE:
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case SQL_DESC_UNNAMED:
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case SQL_DESC_UNSIGNED:
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case SQL_DESC_UPDATABLE:
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isStrField = 0;
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break;
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/* Pointer to data: buffer_length must be valid */
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case SQL_DESC_BASE_COLUMN_NAME:
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case SQL_DESC_BASE_TABLE_NAME:
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case SQL_DESC_CATALOG_NAME:
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case SQL_DESC_LABEL:
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case SQL_DESC_LITERAL_PREFIX:
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case SQL_DESC_LITERAL_SUFFIX:
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case SQL_DESC_LOCAL_TYPE_NAME:
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case SQL_DESC_NAME:
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case SQL_DESC_SCHEMA_NAME:
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case SQL_DESC_TABLE_NAME:
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case SQL_DESC_TYPE_NAME:
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isStrField = 1;
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break;
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default:
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isStrField = buffer_length != SQL_IS_POINTER && buffer_length != SQL_IS_INTEGER
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&& buffer_length != SQL_IS_UINTEGER && buffer_length != SQL_IS_SMALLINT &&
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buffer_length != SQL_IS_USMALLINT;
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}
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if ( isStrField && buffer_length < 0 && buffer_length != SQL_NTS)
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{
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__post_internal_error( &descriptor -> error,
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ERROR_HY090, NULL,
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descriptor -> connection -> environment -> requested_version );
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return function_return_nodrv( SQL_HANDLE_DESC, descriptor, SQL_ERROR );
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}
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if ( field_identifier == SQL_DESC_COUNT && (intptr_t)value < 0 )
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{
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__post_internal_error( &descriptor -> error,
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ERROR_07009, NULL,
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descriptor -> connection -> environment -> requested_version );
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return function_return_nodrv( SQL_HANDLE_DESC, descriptor, SQL_ERROR );
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}
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if ( field_identifier == SQL_DESC_PARAMETER_TYPE && (intptr_t)value != SQL_PARAM_INPUT
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&& (intptr_t)value != SQL_PARAM_OUTPUT && (intptr_t)value != SQL_PARAM_INPUT_OUTPUT &&
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(intptr_t)value != SQL_PARAM_INPUT_OUTPUT_STREAM && (intptr_t)value != SQL_PARAM_OUTPUT_STREAM )
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{
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__post_internal_error( &descriptor -> error,
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ERROR_HY105, NULL,
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descriptor -> connection -> environment -> requested_version );
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return function_return_nodrv( SQL_HANDLE_DESC, descriptor, SQL_ERROR );
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}
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if ( CHECK_SQLSETDESCFIELD( descriptor -> connection ))
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{
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ret = SQLSETDESCFIELD( descriptor -> connection,
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descriptor -> driver_desc,
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rec_number,
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field_identifier,
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value,
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buffer_length );
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}
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else if ( CHECK_SQLSETDESCFIELDW( descriptor -> connection ))
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{
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SQLWCHAR *s1 = NULL;
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if (isStrField)
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{
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s1 = ansi_to_unicode_alloc( value, buffer_length, descriptor -> connection, NULL );
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if (SQL_NTS != buffer_length)
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{
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buffer_length *= sizeof(SQLWCHAR);
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}
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}
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else
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{
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s1 = value;
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}
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ret = SQLSETDESCFIELDW( descriptor -> connection,
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descriptor -> driver_desc,
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rec_number,
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field_identifier,
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s1,
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buffer_length );
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if (isStrField)
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{
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if (s1)
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free(s1);
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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( &descriptor -> error,
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ERROR_IM001, NULL,
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descriptor -> connection -> environment -> requested_version );
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return function_return_nodrv( SQL_HANDLE_DESC, descriptor, SQL_ERROR );
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}
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if ( log_info.log_flag )
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{
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sprintf( descriptor -> 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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descriptor -> msg );
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}
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return function_return( SQL_HANDLE_DESC, descriptor, ret );
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}
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