unixodbc/DriverManager/SQLGetStmtAttr.c

546 lines
16 KiB
C

/*********************************************************************
*
* This is based on code created by Peter Harvey,
* (pharvey@codebydesign.com).
*
* Modified and extended by Nick Gorham
* (nick@lurcher.org).
*
* 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: SQLGetStmtAttr.c,v 1.8 2009/02/18 17:59:08 lurcher Exp $
*
* $Log: SQLGetStmtAttr.c,v $
* Revision 1.8 2009/02/18 17:59:08 lurcher
* Shift to using config.h, the compile lines were making it hard to spot warnings
*
* Revision 1.7 2009/02/17 09:47:44 lurcher
* Clear up a number of bugs
*
* Revision 1.6 2009/02/04 09:30:02 lurcher
* Fix some SQLINTEGER/SQLLEN conflicts
*
* Revision 1.5 2003/10/30 18:20:46 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 1.4 2003/02/27 12:19:39 lurcher
*
* Add the A functions as well as the W
*
* Revision 1.3 2002/12/05 17:44:31 lurcher
*
* Display unknown return values in return logging
*
* Revision 1.2 2002/07/16 13:08:18 lurcher
*
* Filter attribute values from SQLSetStmtAttr to SQLSetStmtOption to fit
* within ODBC 2
* Make DSN's double clickable in ODBCConfig
*
* Revision 1.1.1.1 2001/10/17 16:40:05 lurcher
*
* First upload to SourceForge
*
* Revision 1.5 2001/07/03 09:30:41 nick
*
* Add ability to alter size of displayed message in the log
*
* Revision 1.4 2001/04/18 15:03:37 nick
*
* Fix problem when going to DB2 unicode driver
*
* Revision 1.3 2001/04/12 17:43:36 nick
*
* Change logging and added autotest to odbctest
*
* Revision 1.2 2000/12/31 20:30:54 nick
*
* Add UNICODE support
*
* Revision 1.1.1.1 2000/09/04 16:42:52 nick
* Imported Sources
*
* Revision 1.11 2000/06/24 18:45:09 ngorham
*
* Fix for SQLExtendedFetch on big endian platforms. the row count pointer
* was declared as a small not a int.
*
* Revision 1.10 2000/02/06 23:26:10 ngorham
*
* Fix bug with missing '&' with SQLGetStmtAttr
*
* Revision 1.9 1999/11/13 23:40:59 ngorham
*
* Alter the way DM logging works
* Upgrade the Postgres driver to 6.4.6
*
* Revision 1.8 1999/10/29 21:07:40 ngorham
*
* Fix some stupid bugs in the DM
* Make the postgres driver work via unix sockets
*
* Revision 1.7 1999/10/24 23:54:18 ngorham
*
* First part of the changes to the error reporting
*
* Revision 1.6 1999/09/21 22:34:25 ngorham
*
* Improve performance by removing unneeded logging calls when logging is
* disabled
*
* Revision 1.5 1999/07/10 21:10:16 ngorham
*
* Adjust error sqlstate from driver manager, depending on requested
* version (ODBC2/3)
*
* Revision 1.4 1999/07/04 21:05:07 ngorham
*
* Add LGPL Headers to code
*
* Revision 1.3 1999/06/30 23:56:55 ngorham
*
* Add initial thread safety code
*
* Revision 1.2 1999/06/19 17:51:40 ngorham
*
* Applied assorted minor bug fixes
*
* Revision 1.1.1.1 1999/05/29 13:41:07 sShandyb
* first go at it
*
* Revision 1.4 1999/06/02 23:48:45 ngorham
*
* Added more 3-2 mapping
*
* Revision 1.3 1999/06/02 20:12:10 ngorham
*
* Fixed botched log entry, and removed the dos \r from the sql header files.
*
* Revision 1.2 1999/06/02 19:57:20 ngorham
*
* Added code to check if a attempt is being made to compile with a C++
* Compiler, and issue a message.
* Start work on the ODBC2-3 conversions.
*
* Revision 1.1.1.1 1999/05/27 18:23:18 pharvey
* Imported sources
*
* Revision 1.3 1999/05/09 23:27:11 nick
* All the API done now
*
* Revision 1.2 1999/05/03 19:50:43 nick
* Another check point
*
* Revision 1.1 1999/04/25 23:06:11 nick
* Initial revision
*
*
**********************************************************************/
#include <config.h>
#include "drivermanager.h"
static char const rcsid[]= "$RCSfile: SQLGetStmtAttr.c,v $ $Revision: 1.8 $";
SQLRETURN SQLGetStmtAttrA( SQLHSTMT statement_handle,
SQLINTEGER attribute,
SQLPOINTER value,
SQLINTEGER buffer_length,
SQLINTEGER *string_length )
{
return SQLGetStmtAttr( statement_handle,
attribute,
value,
buffer_length,
string_length );
}
SQLRETURN SQLGetStmtAttr( SQLHSTMT statement_handle,
SQLINTEGER attribute,
SQLPOINTER value,
SQLINTEGER buffer_length,
SQLINTEGER *string_length )
{
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\
\n\t\t\tAttribute = %s\
\n\t\t\tValue = %p\
\n\t\t\tBuffer Length = %d\
\n\t\t\tStrLen = %p",
statement,
__stmt_attr_as_string( s1, attribute ),
value,
(int)buffer_length,
(void*)string_length );
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
statement -> msg );
}
thread_protect( SQL_HANDLE_STMT, statement );
/*
* check states
*/
if ( attribute == SQL_ATTR_ROW_NUMBER || attribute == SQL_GET_BOOKMARK )
{
if ( statement -> state == STATE_S1 ||
statement -> state == STATE_S2 ||
statement -> state == STATE_S3 ||
statement -> state == STATE_S4 ||
statement -> state == STATE_S5 ||
( statement -> state == STATE_S6 ||
statement -> state == STATE_S7 ) && statement -> eod )
{
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
"Error: 24000" );
__post_internal_error( &statement -> error,
ERROR_24000, NULL,
statement -> connection -> environment -> requested_version );
return function_return_nodrv( SQL_HANDLE_STMT, statement, SQL_ERROR );
}
}
if ( statement -> state == STATE_S8 ||
statement -> state == STATE_S9 ||
statement -> state == STATE_S10 ||
statement -> state == STATE_S11 ||
statement -> state == STATE_S12 ||
statement -> state == STATE_S13 ||
statement -> state == STATE_S14 ||
statement -> state == STATE_S15 )
{
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
"Error: HY010" );
__post_internal_error( &statement -> error,
ERROR_HY010, NULL,
statement -> connection -> environment -> requested_version );
return function_return_nodrv( SQL_HANDLE_STMT, statement, SQL_ERROR );
}
/*
* states S5 - S7 are handled by the driver
*/
if ( statement -> connection -> unicode_driver )
{
if ( !CHECK_SQLGETSTMTATTRW( statement -> connection ) &&
!CHECK_SQLGETSTMTOPTIONW( statement -> connection ) &&
!CHECK_SQLGETSTMTATTR( statement -> connection ) &&
!CHECK_SQLGETSTMTOPTION( 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_nodrv( SQL_HANDLE_STMT, statement, SQL_ERROR );
}
}
else
{
if ( !CHECK_SQLGETSTMTATTR( statement -> connection ) &&
!CHECK_SQLGETSTMTOPTION( 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_nodrv( SQL_HANDLE_STMT, statement, SQL_ERROR );
}
}
/*
* map descriptors to our copies
*/
if ( attribute == SQL_ATTR_APP_ROW_DESC )
{
if ( value )
memcpy( value, &statement -> ard, sizeof( statement -> ard ));
ret = SQL_SUCCESS;
}
else if ( attribute == SQL_ATTR_APP_PARAM_DESC )
{
if ( value )
memcpy( value, &statement -> apd, sizeof( SQLHANDLE ));
ret = SQL_SUCCESS;
}
else if ( attribute == SQL_ATTR_IMP_ROW_DESC )
{
if ( value )
memcpy( value, &statement -> ird, sizeof( SQLHANDLE ));
ret = SQL_SUCCESS;
}
else if ( attribute == SQL_ATTR_IMP_PARAM_DESC )
{
if ( value )
memcpy( value, &statement -> ipd, sizeof( SQLHANDLE ));
ret = SQL_SUCCESS;
}
/*
* does the call need mapping from 3 to 2
*/
else if ( attribute == SQL_ATTR_FETCH_BOOKMARK_PTR &&
statement -> connection -> driver_act_ver == SQL_OV_ODBC2 &&
CHECK_SQLEXTENDEDFETCH( statement -> connection ))
{
if ( value )
memcpy( value, &statement -> fetch_bm_ptr, sizeof( SQLULEN * ));
ret = SQL_SUCCESS;
}
else if ( attribute == SQL_ATTR_ROW_STATUS_PTR &&
statement -> connection -> driver_act_ver == SQL_OV_ODBC2 &&
CHECK_SQLEXTENDEDFETCH( statement -> connection ))
{
if ( value )
memcpy( value, &statement -> row_st_arr, sizeof( SQLULEN * ));
ret = SQL_SUCCESS;
}
else if ( attribute == SQL_ATTR_ROWS_FETCHED_PTR &&
statement -> connection -> driver_act_ver == SQL_OV_ODBC2 &&
CHECK_SQLEXTENDEDFETCH( statement -> connection ))
{
if ( value )
memcpy( value, &statement -> row_ct_ptr, sizeof( SQLULEN * ));
ret = SQL_SUCCESS;
}
else if ( statement -> connection -> unicode_driver &&
attribute == SQL_ATTR_ROW_ARRAY_SIZE &&
statement -> connection -> driver_act_ver == SQL_OV_ODBC2 )
{
if ( CHECK_SQLGETSTMTATTRW( statement -> connection ))
{
ret = SQLGETSTMTATTRW( statement -> connection,
statement -> driver_stmt,
SQL_ROWSET_SIZE,
value,
buffer_length,
string_length );
}
else
{
ret = SQLGETSTMTATTR( statement -> connection,
statement -> driver_stmt,
SQL_ROWSET_SIZE,
value,
buffer_length,
string_length );
}
}
else if ( !statement -> connection -> unicode_driver &&
attribute == SQL_ATTR_ROW_ARRAY_SIZE &&
statement -> connection -> driver_act_ver == SQL_OV_ODBC2 &&
CHECK_SQLGETSTMTATTR( statement -> connection ))
{
ret = SQLGETSTMTATTR( statement -> connection,
statement -> driver_stmt,
SQL_ROWSET_SIZE,
value,
buffer_length,
string_length );
}
else if ( attribute == SQL_ATTR_ROW_ARRAY_SIZE &&
statement -> connection -> driver_act_ver == SQL_OV_ODBC2 )
{
if ( statement -> connection -> unicode_driver &&
CHECK_SQLGETSTMTOPTIONW( statement -> connection ))
{
ret = SQLGETSTMTOPTIONW( statement -> connection,
statement -> driver_stmt,
SQL_ROWSET_SIZE,
value );
}
else
{
ret = SQLGETSTMTOPTION( statement -> connection,
statement -> driver_stmt,
SQL_ROWSET_SIZE,
value );
}
}
else if ( statement -> connection -> unicode_driver &&
( CHECK_SQLGETSTMTATTRW( statement -> connection ) ||
CHECK_SQLGETSTMTATTR( statement -> connection )))
{
if ( CHECK_SQLGETSTMTATTRW( statement -> connection ))
{
ret = SQLGETSTMTATTRW( statement -> connection,
statement -> driver_stmt,
attribute,
value,
buffer_length,
string_length );
}
else
{
ret = SQLGETSTMTATTR( statement -> connection,
statement -> driver_stmt,
attribute,
value,
buffer_length,
string_length );
}
}
else if ( !statement -> connection -> unicode_driver &&
CHECK_SQLGETSTMTATTR( statement -> connection ))
{
ret = SQLGETSTMTATTR( statement -> connection,
statement -> driver_stmt,
attribute,
value,
buffer_length,
string_length );
}
else if ( statement -> connection -> unicode_driver &&
CHECK_SQLGETSTMTOPTIONW( statement -> connection ))
{
/*
* Is it in the legal range of values
*/
if ( attribute < SQL_STMT_DRIVER_MIN &&
( attribute > SQL_ROW_NUMBER || attribute < SQL_QUERY_TIMEOUT ))
{
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
"Error: HY092" );
__post_internal_error( &statement -> error,
ERROR_HY092, NULL,
statement -> connection -> environment -> requested_version );
return function_return_nodrv( SQL_HANDLE_STMT, statement, SQL_ERROR );
}
ret = SQLGETSTMTOPTIONW( statement -> connection,
statement -> driver_stmt,
attribute,
value );
}
else
{
/*
* Is it in the legal range of values
*/
if ( attribute < SQL_STMT_DRIVER_MIN &&
( attribute > SQL_ROW_NUMBER || attribute < SQL_QUERY_TIMEOUT ))
{
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
"Error: HY092" );
__post_internal_error( &statement -> error,
ERROR_HY092, NULL,
statement -> connection -> environment -> requested_version );
return function_return_nodrv( SQL_HANDLE_STMT, statement, SQL_ERROR );
}
ret = SQLGETSTMTOPTION( statement -> connection,
statement -> driver_stmt,
attribute,
value );
}
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 );
}