555 lines
18 KiB
C
555 lines
18 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: SQLColAttributeW.c,v 1.14 2009/02/18 17:59:08 lurcher Exp $
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*
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* $Log: SQLColAttributeW.c,v $
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* Revision 1.14 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 1.13 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 1.12 2007/04/02 10:50:18 lurcher
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* Fix some 64bit problems (only when sizeof(SQLLEN) == 8 )
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*
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* Revision 1.11 2004/11/22 17:02:48 lurcher
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* Fix unicode/ansi conversion in the SQLGet functions
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*
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* Revision 1.10 2004/10/30 20:19:21 peteralexharvey
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* ODBC spec says last arg for SQLColAttribute() is SQLPOINTER not (SQLEN*).
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* So switched back to SQLPOINTER.
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*
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* Revision 1.9 2004/10/29 10:00:36 lurcher
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* Fix SQLColAttribute protype
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*
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* Revision 1.8 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 1.7 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 1.6 2002/08/23 09:42:37 lurcher
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*
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* Fix some build warnings with casts, and a AIX linker mod, to include
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* deplib's on the link line, but not the libtool generated ones
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*
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* Revision 1.5 2002/08/19 09:11:49 lurcher
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*
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* Fix Maxor ineffiecny in Postgres Drivers, and fix a return state
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*
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* Revision 1.4 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 1.3 2002/04/25 15:16:46 lurcher
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*
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* Fix bug with SQLCOlAttribute(s)(W) where a column of zero could not be
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* used to get the count value
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*
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* Revision 1.2 2001/11/16 11:39:17 lurcher
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*
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* Add mapping between ODBC 2 and ODBC 3 types for SQLColAttribute(s)(W)
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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 17:43:35 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 1.1 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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*
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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: SQLColAttributeW.c,v $";
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SQLRETURN SQLColAttributeW ( SQLHSTMT statement_handle,
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SQLUSMALLINT column_number,
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SQLUSMALLINT field_identifier,
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SQLPOINTER character_attribute,
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SQLSMALLINT buffer_length,
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SQLSMALLINT *string_length,
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SQLLEN *numeric_attribute )
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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 ];
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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\tColumn Number = %d\
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\n\t\t\tField Identifier = %s\
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\n\t\t\tCharacter Attr = %p\
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\n\t\t\tBuffer Length = %d\
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\n\t\t\tString Length = %p\
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\n\t\t\tNumeric Attribute = %p",
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statement,
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column_number,
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__col_attr_as_string( s1, field_identifier ),
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character_attribute,
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buffer_length,
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string_length,
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numeric_attribute );
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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 ( column_number == 0 &&
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statement -> bookmarks_on == SQL_UB_OFF && statement -> connection -> bookmarks_on == SQL_UB_OFF &&
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field_identifier != SQL_DESC_COUNT )
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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_api( &statement -> error,
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ERROR_07009, NULL,
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statement -> connection -> environment -> requested_version,
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SQL_API_SQLCOLATTRIBUTE );
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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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* Commented out for now because most drivers can not calc num cols
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* before Execute (they have no parse). - PAH
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*
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if ( field_identifier != SQL_DESC_COUNT &&
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statement -> numcols < column_number )
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{
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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( statement, SQL_ERROR );
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}
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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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/*
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else if ( statement -> state == STATE_S2 &&
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field_identifier != SQL_DESC_COUNT )
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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: 07005" );
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__post_internal_error( &statement -> error,
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ERROR_07005, NULL,
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statement -> connection -> environment -> requested_version );
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return function_return( SQL_HANDLE_STMT, statement, SQL_ERROR );
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}
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*/
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else if ( statement -> state == STATE_S4 )
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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_SQLCOLATTRIBUTE )
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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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switch ( field_identifier )
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{
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case SQL_COLUMN_QUALIFIER_NAME:
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case SQL_COLUMN_NAME:
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case SQL_COLUMN_LABEL:
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case SQL_COLUMN_OWNER_NAME:
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case SQL_COLUMN_TABLE_NAME:
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case SQL_COLUMN_TYPE_NAME:
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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_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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if ( buffer_length < 0 && buffer_length != SQL_NTS )
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{
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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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if ( statement -> connection -> unicode_driver ||
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CHECK_SQLCOLATTRIBUTEW( statement -> connection ) ||
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CHECK_SQLCOLATTRIBUTESW( statement -> connection ))
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{
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if ( !CHECK_SQLCOLATTRIBUTEW( statement -> connection ))
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{
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if ( CHECK_SQLCOLATTRIBUTESW( statement -> connection ))
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{
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/*
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* map to the ODBC2 function
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*/
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field_identifier = map_ca_odbc3_to_2( field_identifier );
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ret = SQLCOLATTRIBUTESW( statement -> connection,
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statement -> driver_stmt,
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column_number,
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field_identifier,
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character_attribute,
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buffer_length,
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string_length,
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numeric_attribute );
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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( &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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}
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else
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{
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ret = SQLCOLATTRIBUTEW( statement -> connection,
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statement -> driver_stmt,
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column_number,
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field_identifier,
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character_attribute,
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buffer_length,
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string_length,
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numeric_attribute );
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}
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}
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else
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{
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if ( !CHECK_SQLCOLATTRIBUTE( statement -> connection ))
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{
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if ( CHECK_SQLCOLATTRIBUTES( statement -> connection ))
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{
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SQLCHAR *as1 = NULL;
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/*
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* map to the ODBC2 function
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*/
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field_identifier = map_ca_odbc3_to_2( field_identifier );
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switch( field_identifier )
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{
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case SQL_COLUMN_QUALIFIER_NAME:
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case SQL_COLUMN_NAME:
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case SQL_COLUMN_LABEL:
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case SQL_COLUMN_OWNER_NAME:
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case SQL_COLUMN_TABLE_NAME:
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case SQL_COLUMN_TYPE_NAME:
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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_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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buffer_length = buffer_length / 2;
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if ( buffer_length > 0 )
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{
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as1 = malloc( buffer_length + 1 );
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}
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break;
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}
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ret = SQLCOLATTRIBUTES( statement -> connection,
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statement -> driver_stmt,
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column_number,
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field_identifier,
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as1 ? as1 : character_attribute,
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buffer_length,
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string_length,
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numeric_attribute );
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switch( field_identifier )
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{
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case SQL_COLUMN_QUALIFIER_NAME:
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case SQL_COLUMN_NAME:
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case SQL_COLUMN_LABEL:
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case SQL_COLUMN_OWNER_NAME:
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case SQL_COLUMN_TABLE_NAME:
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case SQL_COLUMN_TYPE_NAME:
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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_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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if ( SQL_SUCCEEDED( ret ) && character_attribute && as1 )
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{
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ansi_to_unicode_copy( character_attribute, (char*) as1, SQL_NTS, statement -> connection, NULL );
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}
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if ( SQL_SUCCEEDED( ret ) && string_length )
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{
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*string_length *= sizeof( SQLWCHAR );
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}
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if ( as1 )
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{
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free( as1 );
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}
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break;
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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( &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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}
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else
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{
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SQLCHAR *as1 = NULL;
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switch( field_identifier )
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{
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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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case SQL_COLUMN_NAME:
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buffer_length = buffer_length / 2;
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if ( buffer_length > 0 )
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{
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as1 = malloc( buffer_length + 1 );
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}
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break;
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}
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ret = SQLCOLATTRIBUTE( statement -> connection,
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statement -> driver_stmt,
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column_number,
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field_identifier,
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as1 ? as1 : character_attribute,
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buffer_length,
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string_length,
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numeric_attribute );
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switch( field_identifier )
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{
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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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case SQL_COLUMN_NAME:
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if ( SQL_SUCCEEDED( ret ) && character_attribute && as1 )
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{
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ansi_to_unicode_copy( character_attribute, (char*) as1, SQL_NTS, statement -> connection, NULL );
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}
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if ( SQL_SUCCEEDED( ret ) && string_length )
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{
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*string_length *= sizeof( SQLWCHAR );
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}
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if ( as1 )
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{
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free( as1 );
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}
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break;
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default:
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break;
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}
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}
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}
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if ( ret == SQL_STILL_EXECUTING )
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{
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statement -> interupted_func = SQL_API_SQLCOLATTRIBUTE;
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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 if ( SQL_SUCCEEDED( ret ))
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{
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/*
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* map ODBC 3 datetime fields to ODBC2
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*/
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if ( field_identifier == SQL_COLUMN_TYPE &&
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numeric_attribute )
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{
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*(SQLINTEGER*)numeric_attribute=
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__map_type(MAP_SQL_D2DM, statement->connection,
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*(SQLINTEGER*)numeric_attribute);
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}
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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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|
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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 );
|
|
}
|