openkylin
/
unixodbc
mirror of https://gitee.com/openkylin/unixodbc.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity
unixodbc/DriverManager/SQLExecDirect.c

529 lines
15 KiB
C
Raw Normal View History

Import Upstream version 2.3.6
2022-05-14 03:13:26 +08:00
/*********************************************************************
*
* (pharvey@codebydesign.com).
*
* Modified and extended by Nick Gorham
* (nick@lurcher.org).
*
* copyright (c) 1999 Nick Gorham
*
* Any bugs or problems should be considered the fault of Nick and not
* Peter.
*
* 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: SQLExecDirect.c,v 1.11 2009/02/18 17:59:08 lurcher Exp $
*
* $Log: SQLExecDirect.c,v $
* Revision 1.11 2009/02/18 17:59:08 lurcher
* Shift to using config.h, the compile lines were making it hard to spot warnings
*
* Revision 1.10 2006/04/11 10:22:56 lurcher
* Fix a data type check
*
* Revision 1.9 2003/10/30 18:20:45 lurcher
*
* Fix broken thread protection
* Remove SQLNumResultCols after execute, lease S4/S% to driver
* Fix string overrun in SQLDriverConnect
* Add initial support for Interix
*
* Revision 1.8 2003/02/27 12:19:39 lurcher
*
* Add the A functions as well as the W
*
* Revision 1.7 2002/12/05 17:44:30 lurcher
*
* Display unknown return values in return logging
*
* Revision 1.6 2002/07/24 08:49:52 lurcher
*
* Alter UNICODE support to use iconv for UNICODE-ANSI conversion
*
* Revision 1.5 2002/07/18 15:21:56 lurcher
*
* Fix problem with SQLExecute/SQLExecDirect returning SQL_NO_DATA
*
* Revision 1.4 2002/01/21 18:00:51 lurcher
*
* Assorted fixed and changes, mainly UNICODE/bug fixes
*
* Revision 1.3 2002/01/15 14:47:44 lurcher
*
* Reset stmt->prepared flag after entering a SQLParamData state from
* SQLExecDirect
*
* Revision 1.2 2001/12/13 13:00:32 lurcher
*
* Remove most if not all warnings on 64 bit platforms
* Add support for new MS 3.52 64 bit changes
* Add override to disable the stopping of tracing
* Add MAX_ROWS support in postgres driver
*
* Revision 1.1.1.1 2001/10/17 16:40:05 lurcher
*
* First upload to SourceForge
*
* Revision 1.5 2001/08/17 11:03:35 nick
*
* Fix final state from SQLExecute if error happens
*
* 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 2000/06/20 12:43:58 ngorham
*
* Fix bug that caused a success with info message from SQLExecute or
* SQLExecDirect to be lost if used with a ODBC 3 driver and the application
* called SQLGetDiagRec
*
* Revision 1.10 2000/06/16 16:52:16 ngorham
*
* Stop info messages being lost when calling SQLExecute etc on ODBC 3
* drivers, the SQLNumResultCols were clearing the error before
* function return had a chance to get to them
*
* Revision 1.9 1999/11/18 22:42:09 ngorham
*
* Fix missing function_entry in SQLExecDirect()
*
* Revision 1.8 1999/11/13 23:40:59 ngorham
*
* Alter the way DM logging works
* Upgrade the Postgres driver to 6.4.6
*
* Revision 1.7 1999/11/10 03:51:33 ngorham
*
* Update the error reporting in the DM to enable ODBC 3 and 2 calls to
* work at the same time
*
* Revision 1.6 1999/10/24 23:54:18 ngorham
*
* First part of the changes to the error reporting
*
* Revision 1.5 1999/09/21 22:34:24 ngorham
*
* Improve performance by removing unneeded logging calls when logging is
* disabled
*
* Revision 1.4 1999/07/10 21:10:16 ngorham
*
* Adjust error sqlstate from driver manager, depending on requested
* version (ODBC2/3)
*
* Revision 1.3 1999/07/04 21:05:07 ngorham
*
* Add LGPL Headers to code
*
* Revision 1.2 1999/06/30 23:56:54 ngorham
*
* Add initial thread safety code
*
* Revision 1.1.1.1 1999/05/29 13:41:06 sShandyb
* first go at it
*
* Revision 1.1.1.1 1999/05/27 18:23:17 pharvey
* Imported sources
*
* Revision 1.5 1999/05/04 22:41:12 nick
* and another night ends
*
* Revision 1.4 1999/05/03 19:50:43 nick
* Another check point
*
* Revision 1.3 1999/04/30 16:22:47 nick
* Another checkpoint
*
* Revision 1.2 1999/04/29 21:40:58 nick
* End of another night :-)
*
* Revision 1.1 1999/04/25 23:06:11 nick
* Initial revision
*
*
**********************************************************************/
#include <config.h>
#include "drivermanager.h"
static char const rcsid[]= "$RCSfile: SQLExecDirect.c,v $ $Revision: 1.11 $";
SQLRETURN SQLExecDirectA( SQLHSTMT statement_handle,
SQLCHAR *statement_text,
SQLINTEGER text_length )
{
return SQLExecDirect( statement_handle,
statement_text,
text_length );
}
SQLRETURN SQLExecDirect( SQLHSTMT statement_handle,
SQLCHAR *statement_text,
SQLINTEGER text_length )
{
DMHSTMT statement = (DMHSTMT) statement_handle;
SQLRETURN ret;
SQLCHAR *s1;
SQLCHAR s2[ 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 )
{
/*
* allocate some space for the buffer
*/
if ( statement_text && text_length == SQL_NTS )
{
s1 = malloc( strlen((char*) statement_text ) + LOG_MESSAGE_LEN );
}
else if ( statement_text )
{
s1 = malloc( text_length + LOG_MESSAGE_LEN );
}
else
{
s1 = malloc( LOG_MESSAGE_LEN );
}
sprintf( statement -> msg, "\n\t\tEntry:\
\n\t\t\tStatement = %p\
\n\t\t\tSQL = %s",
statement,
__string_with_length( s1, statement_text, text_length ));
free( s1 );
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
statement -> msg );
}
thread_protect( SQL_HANDLE_STMT, statement );
if ( !statement_text )
{
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
"Error: HY009" );
__post_internal_error( &statement -> error,
ERROR_HY009, NULL,
statement -> connection -> environment -> requested_version );
return function_return_nodrv( SQL_HANDLE_STMT, statement, SQL_ERROR );
}
if ( text_length <= 0 && text_length != SQL_NTS )
{
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
"Error: HY090" );
__post_internal_error( &statement -> error,
ERROR_HY090, NULL,
statement -> connection -> environment -> requested_version );
return function_return_nodrv( SQL_HANDLE_STMT, statement, SQL_ERROR );
}
/*
* check states
*/
#ifdef NR_PROBE
if ( statement -> state == STATE_S5 ||
statement -> state == STATE_S6 ||
statement -> state == STATE_S7 )
#else
if (( statement -> state == STATE_S6 && statement -> eod == 0 ) ||
statement -> state == STATE_S7 )
#endif
{
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 );
}
else if ( statement -> state == STATE_S8 ||
statement -> state == STATE_S9 ||
statement -> state == STATE_S10 ||
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 );
}
if ( statement -> state == STATE_S11 ||
statement -> state == STATE_S12 )
{
if ( statement -> interupted_func != SQL_API_SQLEXECDIRECT )
{
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 );
}
}
if ( statement -> connection -> unicode_driver )
{
SQLWCHAR *s1;
int wlen;
#ifdef NR_PROBE
if ( !CHECK_SQLEXECDIRECTW( statement -> connection ) ||
!CHECK_SQLNUMRESULTCOLS( 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_SQLEXECDIRECTW( 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 );
}
#endif
s1 = ansi_to_unicode_alloc( statement_text, text_length, statement -> connection, &wlen );
text_length = wlen;
ret = SQLEXECDIRECTW( statement -> connection,
statement -> driver_stmt,
s1,
text_length );
if ( s1 )
free( s1 );
}
else
{
#ifdef NR_PROBE
if ( !CHECK_SQLEXECDIRECT( statement -> connection ) ||
!CHECK_SQLNUMRESULTCOLS( 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_SQLEXECDIRECT( 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 );
}
#endif
ret = SQLEXECDIRECT( statement -> connection,
statement -> driver_stmt,
statement_text,
text_length );
}
if ( SQL_SUCCEEDED( ret ))
{
#ifdef NR_PROBE
SQLRETURN local_ret;
/*
* grab any errors
*/
if ( ret == SQL_SUCCESS_WITH_INFO )
{
function_return_ex( IGNORE_THREAD, statement, ret, TRUE );
}
local_ret = SQLNUMRESULTCOLS( statement -> connection,
statement -> driver_stmt, &statement -> numcols );
if ( statement -> numcols > 0 )
{
statement -> state = STATE_S5;
}
else
{
statement -> state = STATE_S4;
}
#else
/*
* We don't know for sure
*/
statement -> hascols = 1;
statement -> state = STATE_S5;
#endif
statement -> prepared = 0;
/*
* there is a issue here with transactions, but for the
* moment
*
statement -> connection -> state = STATE_C6;
*/
}
else if ( ret == SQL_NO_DATA )
{
statement -> state = STATE_S4;
statement -> prepared = 0;
}
else if ( ret == SQL_NEED_DATA )
{
statement -> interupted_func = SQL_API_SQLEXECDIRECT;
statement -> interupted_state = statement -> state;
statement -> state = STATE_S8;
statement -> prepared = 0;
}
else if ( ret == SQL_PARAM_DATA_AVAILABLE )
{
statement -> interupted_func = SQL_API_SQLEXECDIRECT;
statement -> interupted_state = statement -> state;
statement -> state = STATE_S13;
}
else if ( ret == SQL_STILL_EXECUTING )
{
statement -> interupted_func = SQL_API_SQLEXECDIRECT;
if ( statement -> state != STATE_S11 &&
statement -> state != STATE_S12 )
statement -> state = STATE_S11;
statement -> prepared = 0;
}
else if ( statement -> state >= STATE_S2 && statement -> state <= STATE_S4 ||
statement -> state >= STATE_S11 && statement -> state <= STATE_S12 &&
statement -> interupted_state >= STATE_S2 && statement -> interupted_state <= STATE_S4)
{
statement -> state = STATE_S1;
}
else if ( statement -> state >= STATE_S11 && statement -> state <= STATE_S12 )
{
statement -> state = statement -> interupted_state;
}
if ( log_info.log_flag )
{
sprintf( statement -> msg,
"\n\t\tExit:[%s]",
__get_return_status( ret, s2 ));
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
statement -> msg );
}
return function_return( SQL_HANDLE_STMT, statement, ret );
}