346 lines
10 KiB
C
346 lines
10 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: SQLDescribeParam.c,v 1.7 2009/02/18 17:59:08 lurcher Exp $
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*
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* $Log: SQLDescribeParam.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 2008/05/20 13:43:47 lurcher
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* Vms fixes
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*
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* Revision 1.5 2007/04/02 10:50:19 lurcher
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* Fix some 64bit problems (only when sizeof(SQLLEN) == 8 )
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*
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* Revision 1.4 2003/10/30 18:20:45 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 2002/12/05 17:44:30 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 1.2 2001/12/13 13:00:32 lurcher
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*
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* Remove most if not all warnings on 64 bit platforms
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* Add support for new MS 3.52 64 bit changes
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* Add override to disable the stopping of tracing
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* Add MAX_ROWS support in postgres driver
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*
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* Revision 1.1.1.1 2001/10/17 16:40:05 lurcher
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*
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* First upload to SourceForge
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*
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* Revision 1.3 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 1.2 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 2000/07/28 16:34:52 ngorham
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*
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* Fix problems with SQLColAttributes, and SQLDescribeParam
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*
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* Revision 1.9 1999/11/13 23:40:59 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 1999/11/10 03:51:33 ngorham
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*
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* Update the error reporting in the DM to enable ODBC 3 and 2 calls to
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* work at the same time
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*
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* Revision 1.7 1999/10/24 23:54:17 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 1.6 1999/10/09 00:56:16 ngorham
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*
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* Added Manush's patch to map ODBC 3-2 datetime values
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*
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* Revision 1.5 1999/09/21 22:34:24 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 21:10:16 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 21:05:07 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 23:56:54 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 13:41:05 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 18:23:17 pharvey
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* Imported sources
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*
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* Revision 1.3 1999/05/03 19:50:43 nick
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* Another check point
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*
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* Revision 1.2 1999/04/30 16:22:47 nick
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* Another checkpoint
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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: SQLDescribeParam.c,v $ $Revision: 1.7 $";
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SQLRETURN SQLDescribeParam(
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SQLHSTMT statement_handle,
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SQLUSMALLINT ipar,
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SQLSMALLINT *pf_sql_type,
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SQLULEN *pcb_param_def,
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SQLSMALLINT *pib_scale,
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SQLSMALLINT *pf_nullable )
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{
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DMHSTMT statement = (DMHSTMT) statement_handle;
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SQLRETURN ret;
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SQLCHAR s1[ 100 + LOG_MESSAGE_LEN ], s2[ 100 + LOG_MESSAGE_LEN ], s3[ 100 + LOG_MESSAGE_LEN ], s4[ 100 + LOG_MESSAGE_LEN ];
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SQLCHAR s6[ 100 + LOG_MESSAGE_LEN ];
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/*
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* check statement
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*/
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if ( !__validate_stmt( statement ))
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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( statement );
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if ( log_info.log_flag )
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{
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sprintf( statement -> msg, "\n\t\tEntry:\
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\n\t\t\tStatement = %p\
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\n\t\t\tParameter Number = %d\
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\n\t\t\tSQL Type = %p\
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\n\t\t\tParam Def = %p\
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\n\t\t\tScale = %p\
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\n\t\t\tNullable = %p",
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statement,
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ipar,
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pf_sql_type,
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pcb_param_def,
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pib_scale,
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pf_nullable );
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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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statement -> msg );
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}
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thread_protect( SQL_HANDLE_STMT, statement );
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if ( ipar < 1 )
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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: 07009" );
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__post_internal_error( &statement -> error,
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ERROR_07009, NULL,
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statement -> connection -> environment -> requested_version );
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return function_return_nodrv( SQL_HANDLE_STMT, statement, SQL_ERROR );
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}
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/*
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* check states
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*/
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if ( statement -> state == STATE_S1 )
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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( &statement -> error,
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ERROR_HY010, NULL,
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statement -> connection -> environment -> requested_version );
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return function_return_nodrv( SQL_HANDLE_STMT, statement, SQL_ERROR );
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}
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else if (( statement -> state == STATE_S4 ||
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statement -> state == STATE_S8 ||
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statement -> state == STATE_S9 ||
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statement -> state == STATE_S10 ||
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statement -> state == STATE_S13 ||
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statement -> state == STATE_S14 ||
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statement -> state == STATE_S15 ) &&
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statement -> connection -> environment -> requested_version >= SQL_OV_ODBC3 )
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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( &statement -> error,
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ERROR_HY010, NULL,
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statement -> connection -> environment -> requested_version );
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return function_return_nodrv( SQL_HANDLE_STMT, statement, SQL_ERROR );
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}
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else if (( statement -> state == STATE_S8 ||
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statement -> state == STATE_S9 ||
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statement -> state == STATE_S10 ||
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statement -> state == STATE_S13 ||
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statement -> state == STATE_S14 ||
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statement -> state == STATE_S15 ) &&
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statement -> connection -> environment -> requested_version == SQL_OV_ODBC2 )
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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( &statement -> error,
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ERROR_HY010, NULL,
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statement -> connection -> environment -> requested_version );
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return function_return_nodrv( SQL_HANDLE_STMT, statement, SQL_ERROR );
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}
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else if ( statement -> state == STATE_S11 ||
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statement -> state == STATE_S12 )
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{
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if ( statement -> interupted_func != SQL_API_SQLDESCRIBEPARAM )
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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( &statement -> error,
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ERROR_HY010, NULL,
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statement -> connection -> environment -> requested_version );
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return function_return_nodrv( SQL_HANDLE_STMT, statement, SQL_ERROR );
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}
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}
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if ( !CHECK_SQLDESCRIBEPARAM( statement -> 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: IM001" );
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__post_internal_error( &statement -> error,
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ERROR_IM001, NULL,
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statement -> connection -> environment -> requested_version );
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return function_return_nodrv( SQL_HANDLE_STMT, statement, SQL_ERROR );
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}
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ret = SQLDESCRIBEPARAM( statement -> connection,
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statement -> driver_stmt,
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ipar,
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pf_sql_type,
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pcb_param_def,
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pib_scale,
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pf_nullable );
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if ( ret == SQL_STILL_EXECUTING )
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{
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statement -> interupted_func = SQL_API_SQLDESCRIBEPARAM;
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if ( statement -> state != STATE_S11 &&
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statement -> state != STATE_S12 )
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statement -> state = STATE_S11;
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}
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if ( (ret == SQL_SUCCESS || ret == SQL_SUCCESS_WITH_INFO)
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&& pf_sql_type )
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{
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*pf_sql_type = __map_type(MAP_SQL_D2DM,statement->connection, *pf_sql_type);
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}
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if ( log_info.log_flag )
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{
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sprintf( statement -> msg,
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"\n\t\tExit:[%s]\
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\n\t\t\tSQL Type = %p\
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\n\t\t\tParam Def = %p\
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\n\t\t\tScale = %p\
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\n\t\t\tNullable = %p",
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__get_return_status( ret, s6 ),
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__sptr_as_string( s1, pf_sql_type ),
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__ptr_as_string( s2, (SQLLEN*)pcb_param_def ),
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__sptr_as_string( s3, pib_scale ),
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__sptr_as_string( s4, pf_nullable ));
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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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statement -> msg );
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}
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return function_return( SQL_HANDLE_STMT, statement, ret );
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}
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