434 lines
13 KiB
C
434 lines
13 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: SQLColumns.c,v 1.8 2009/02/18 17:59:08 lurcher Exp $
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*
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* $Log: SQLColumns.c,v $
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* Revision 1.8 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 1.7 2008/08/29 08:01:38 lurcher
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* Alter the way W functions are passed to the driver
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*
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* Revision 1.6 2004/01/12 09:54:39 lurcher
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*
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* Fix problem where STATE_S5 stops metadata calls
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*
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* Revision 1.5 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 1.4 2003/02/27 12:19:39 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 1.3 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 2002/07/24 08:49:51 lurcher
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*
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* Alter UNICODE support to use iconv for UNICODE-ANSI conversion
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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 1.4 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 2001/04/12 17:43:35 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 1.2 2000/12/31 20:30:54 nick
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*
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* Add UNICODE support
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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 1.9 2000/06/20 12:43:58 ngorham
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*
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* Fix bug that caused a success with info message from SQLExecute or
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* SQLExecDirect to be lost if used with a ODBC 3 driver and the application
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* called SQLGetDiagRec
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*
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* Revision 1.8 2000/06/16 16:52:16 ngorham
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*
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* Stop info messages being lost when calling SQLExecute etc on ODBC 3
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* drivers, the SQLNumResultCols were clearing the error before
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* function return had a chance to get to them
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*
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* Revision 1.7 1999/11/13 23:40:58 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 23:54:17 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 1.5 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 21:10:15 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 1.2 1999/06/07 01:29:30 pharvey
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* *** empty log message ***
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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 1.4 1999/05/03 19:50:43 nick
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* Another check point
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*
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* Revision 1.3 1999/04/30 16:22:47 nick
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* Another checkpoint
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*
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* Revision 1.2 1999/04/29 20:47:37 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: SQLColumns.c,v $ $Revision: 1.8 $";
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SQLRETURN SQLColumnsA( SQLHSTMT statement_handle,
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SQLCHAR *catalog_name,
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SQLSMALLINT name_length1,
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SQLCHAR *schema_name,
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SQLSMALLINT name_length2,
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SQLCHAR *table_name,
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SQLSMALLINT name_length3,
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SQLCHAR *column_name,
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SQLSMALLINT name_length4 )
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{
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return SQLColumns( statement_handle,
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catalog_name,
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name_length1,
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schema_name,
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name_length2,
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table_name,
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name_length3,
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column_name,
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name_length4 );
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}
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SQLRETURN SQLColumns( SQLHSTMT statement_handle,
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SQLCHAR *catalog_name,
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SQLSMALLINT name_length1,
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SQLCHAR *schema_name,
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SQLSMALLINT name_length2,
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SQLCHAR *table_name,
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SQLSMALLINT name_length3,
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SQLCHAR *column_name,
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SQLSMALLINT name_length4 )
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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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/*
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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\tCatalog Name = %s\
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\n\t\t\tSchema Name = %s\
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\n\t\t\tTable Name = %s\
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\n\t\t\tColumn Name = %s",
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statement,
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__string_with_length( s1, catalog_name, name_length1 ),
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__string_with_length( s2, schema_name, name_length2 ),
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__string_with_length( s3, table_name, name_length3 ),
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__string_with_length( s4, column_name, name_length4 ));
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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 (( catalog_name && name_length1 < 0 && name_length1 != SQL_NTS ) ||
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( schema_name && name_length2 < 0 && name_length2 != SQL_NTS ) ||
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( table_name && name_length3 < 0 && name_length3 != SQL_NTS ) ||
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( column_name && name_length4 < 0 && name_length4 != SQL_NTS ))
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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: HY090" );
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__post_internal_error( &statement -> error,
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ERROR_HY090, 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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#ifdef NR_PROBE
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if ( statement -> state == STATE_S5 ||
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statement -> state == STATE_S6 ||
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statement -> state == STATE_S7 )
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#else
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if (( statement -> state == STATE_S6 && statement -> eod == 0 ) ||
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statement -> state == STATE_S7 )
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#endif
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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: 24000" );
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__post_internal_error( &statement -> error,
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ERROR_24000, 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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{
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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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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_SQLCOLUMNS )
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{
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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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/*
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* TO_DO Check the SQL_ATTR_METADATA_ID settings
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*/
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if ( statement -> connection -> unicode_driver )
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{
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SQLWCHAR *s1, *s2, *s3, *s4;
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int wlen;
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if ( !CHECK_SQLCOLUMNSW( 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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s1 = ansi_to_unicode_alloc( catalog_name, name_length1, statement -> connection, &wlen );
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name_length1 = wlen;
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s2 = ansi_to_unicode_alloc( schema_name, name_length2, statement -> connection, &wlen );
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name_length2 = wlen;
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s3 = ansi_to_unicode_alloc( table_name, name_length3, statement -> connection, &wlen );
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name_length3 = wlen;
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s4 = ansi_to_unicode_alloc( column_name, name_length4, statement -> connection, &wlen );
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name_length4 = wlen;
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ret = SQLCOLUMNSW( statement -> connection ,
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statement -> driver_stmt,
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s1,
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name_length1,
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s2,
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name_length2,
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s3,
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name_length3,
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s4,
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name_length4 );
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if( s1 )
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free( s1 );
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if( s2 )
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free( s2 );
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if( s3 )
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free( s3 );
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if( s4 )
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free( s4 );
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}
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else
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{
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if ( !CHECK_SQLCOLUMNS( 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 = SQLCOLUMNS( statement -> connection ,
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statement -> driver_stmt,
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catalog_name,
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name_length1,
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schema_name,
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name_length2,
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table_name,
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name_length3,
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column_name,
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name_length4 );
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}
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if ( SQL_SUCCEEDED( ret ))
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{
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#ifdef NR_PROBE
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/********
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* Added this to get num cols from drivers which can only tell
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* us after execute - PAH
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*/
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/*
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* grab any errors
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*/
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if ( ret == SQL_SUCCESS_WITH_INFO )
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{
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function_return_ex( IGNORE_THREAD, statement, ret, TRUE );
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}
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SQLNUMRESULTCOLS( statement -> connection,
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statement -> driver_stmt, &statement -> numcols );
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/******/
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#endif
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statement -> state = STATE_S5;
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statement -> hascols = 1;
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statement -> prepared = 0;
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}
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else if ( ret == SQL_STILL_EXECUTING )
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{
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statement -> interupted_func = SQL_API_SQLCOLUMNS;
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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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else
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{
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statement -> state = STATE_S1;
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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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__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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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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