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|
/*********************************************************************
*
* This is based on code created by Peter Harvey,
* (pharvey@codebydesign.com).
*
* Modified and extended by Nick Gorham
* (nick@easysoft.com).
*
* 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: SQLColAttributeW.c,v 1.11 2004/11/22 17:02:48 lurcher Exp $
*
* $Log: SQLColAttributeW.c,v $
* Revision 1.11 2004/11/22 17:02:48 lurcher
* Fix unicode/ansi conversion in the SQLGet functions
*
* Revision 1.10 2004/10/30 20:19:21 peteralexharvey
* ODBC spec says last arg for SQLColAttribute() is SQLPOINTER not (SQLEN*).
* So switched back to SQLPOINTER.
*
* Revision 1.9 2004/10/29 10:00:36 lurcher
* Fix SQLColAttribute protype
*
* Revision 1.8 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 1.7 2002/12/05 17:44:30 lurcher
*
* Display unknown return values in return logging
*
* Revision 1.6 2002/08/23 09:42:37 lurcher
*
* Fix some build warnings with casts, and a AIX linker mod, to include
* deplib's on the link line, but not the libtool generated ones
*
* Revision 1.5 2002/08/19 09:11:49 lurcher
*
* Fix Maxor ineffiecny in Postgres Drivers, and fix a return state
*
* Revision 1.4 2002/07/24 08:49:51 lurcher
*
* Alter UNICODE support to use iconv for UNICODE-ANSI conversion
*
* Revision 1.3 2002/04/25 15:16:46 lurcher
*
* Fix bug with SQLCOlAttribute(s)(W) where a column of zero could not be
* used to get the count value
*
* Revision 1.2 2001/11/16 11:39:17 lurcher
*
* Add mapping between ODBC 2 and ODBC 3 types for SQLColAttribute(s)(W)
*
* Revision 1.1.1.1 2001/10/17 16:40:05 lurcher
*
* First upload to SourceForge
*
* Revision 1.3 2001/07/03 09:30:41 nick
*
* Add ability to alter size of displayed message in the log
*
* Revision 1.2 2001/04/12 17:43:35 nick
*
* Change logging and added autotest to odbctest
*
* Revision 1.1 2000/12/31 20:30:54 nick
*
* Add UNICODE support
*
*
**********************************************************************/
#include "drivermanager.h"
static char const rcsid[]= "$RCSfile: SQLColAttributeW.c,v $";
SQLRETURN SQLColAttributeW ( SQLHSTMT statement_handle,
SQLUSMALLINT column_number,
SQLUSMALLINT field_identifier,
SQLPOINTER character_attribute,
SQLSMALLINT buffer_length,
SQLSMALLINT *string_length,
SQLPOINTER numeric_attribute )
{
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\tColumn Number = %d\
\n\t\t\tField Identifier = %s\
\n\t\t\tCharacter Attr = %p\
\n\t\t\tBuffer Length = %d\
\n\t\t\tString Length = %p\
\n\t\t\tNumeric Attribute = %p",
statement,
column_number,
__col_attr_as_string( s1, field_identifier ),
character_attribute,
buffer_length,
string_length,
numeric_attribute );
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
statement -> msg );
}
thread_protect( SQL_HANDLE_STMT, statement );
if ( column_number == 0 &&
statement -> bookmarks_on == SQL_UB_OFF && statement -> connection -> bookmarks_on == SQL_UB_OFF &&
field_identifier != SQL_DESC_COUNT )
{
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
"Error: 07009" );
__post_internal_error_api( &statement -> error,
ERROR_07009, NULL,
statement -> connection -> environment -> requested_version,
SQL_API_SQLCOLATTRIBUTE );
return function_return( SQL_HANDLE_STMT, statement, SQL_ERROR );
}
/*
* Commented out for now because most drivers can not calc num cols
* before Execute (they have no parse). - PAH
*
if ( field_identifier != SQL_DESC_COUNT &&
statement -> numcols < column_number )
{
__post_internal_error( &statement -> error,
ERROR_07009, NULL,
statement -> connection -> environment -> requested_version );
return function_return( statement, SQL_ERROR );
}
*/
/*
* check states
*/
if ( statement -> state == STATE_S1 )
{
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( SQL_HANDLE_STMT, statement, SQL_ERROR );
}
else if ( statement -> state == STATE_S2 &&
field_identifier != SQL_DESC_COUNT )
{
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
"Error: 07005" );
__post_internal_error( &statement -> error,
ERROR_07005, NULL,
statement -> connection -> environment -> requested_version );
return function_return( SQL_HANDLE_STMT, statement, SQL_ERROR );
}
else if ( statement -> state == STATE_S4 )
{
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( SQL_HANDLE_STMT, statement, SQL_ERROR );
}
else if ( statement -> state == STATE_S8 ||
statement -> state == STATE_S9 ||
statement -> state == STATE_S10 )
{
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( SQL_HANDLE_STMT, statement, SQL_ERROR );
}
if ( statement -> state == STATE_S11 ||
statement -> state == STATE_S12 )
{
if ( statement -> interupted_func != SQL_API_SQLCOLATTRIBUTE )
{
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( SQL_HANDLE_STMT, statement, SQL_ERROR );
}
}
if ( statement -> connection -> unicode_driver )
{
if ( !CHECK_SQLCOLATTRIBUTEW( statement -> connection ))
{
if ( CHECK_SQLCOLATTRIBUTESW( statement -> connection ))
{
/*
* map to the ODBC2 function
*/
field_identifier = map_ca_odbc3_to_2( field_identifier );
ret = SQLCOLATTRIBUTESW( statement -> connection,
statement -> driver_stmt,
column_number,
field_identifier,
character_attribute,
buffer_length,
string_length,
numeric_attribute );
}
else
{
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( SQL_HANDLE_STMT, statement, SQL_ERROR );
}
}
else
{
ret = SQLCOLATTRIBUTEW( statement -> connection,
statement -> driver_stmt,
column_number,
field_identifier,
character_attribute,
buffer_length,
string_length,
numeric_attribute );
}
}
else
{
if ( !CHECK_SQLCOLATTRIBUTE( statement -> connection ))
{
if ( CHECK_SQLCOLATTRIBUTES( statement -> connection ))
{
SQLCHAR *as1 = NULL;
/*
* map to the ODBC2 function
*/
field_identifier = map_ca_odbc3_to_2( field_identifier );
switch( field_identifier )
{
case SQL_COLUMN_QUALIFIER_NAME:
case SQL_COLUMN_NAME:
case SQL_COLUMN_LABEL:
case SQL_COLUMN_OWNER_NAME:
case SQL_COLUMN_TABLE_NAME:
case SQL_COLUMN_TYPE_NAME:
case SQL_DESC_BASE_COLUMN_NAME:
case SQL_DESC_BASE_TABLE_NAME:
case SQL_DESC_LITERAL_PREFIX:
case SQL_DESC_LITERAL_SUFFIX:
case SQL_DESC_LOCAL_TYPE_NAME:
case SQL_DESC_NAME:
buffer_length = buffer_length / 2;
if ( buffer_length > 0 )
{
as1 = malloc( buffer_length + 1 );
}
break;
}
ret = SQLCOLATTRIBUTES( statement -> connection,
statement -> driver_stmt,
column_number,
field_identifier,
as1 ? as1 : character_attribute,
buffer_length,
string_length,
numeric_attribute );
switch( field_identifier )
{
case SQL_COLUMN_QUALIFIER_NAME:
case SQL_COLUMN_NAME:
case SQL_COLUMN_LABEL:
case SQL_COLUMN_OWNER_NAME:
case SQL_COLUMN_TABLE_NAME:
case SQL_COLUMN_TYPE_NAME:
case SQL_DESC_BASE_COLUMN_NAME:
case SQL_DESC_BASE_TABLE_NAME:
case SQL_DESC_LITERAL_PREFIX:
case SQL_DESC_LITERAL_SUFFIX:
case SQL_DESC_LOCAL_TYPE_NAME:
case SQL_DESC_NAME:
if ( SQL_SUCCEEDED( ret ) && character_attribute && as1 )
{
ansi_to_unicode_copy( character_attribute, (char*) as1, SQL_NTS, statement -> connection );
}
if ( SQL_SUCCEEDED( ret ) && string_length )
{
*string_length *= sizeof( SQLWCHAR );
}
if ( as1 )
{
free( as1 );
}
break;
}
}
else
{
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( SQL_HANDLE_STMT, statement, SQL_ERROR );
}
}
else
{
SQLCHAR *as1 = NULL;
switch( field_identifier )
{
case SQL_DESC_BASE_COLUMN_NAME:
case SQL_DESC_BASE_TABLE_NAME:
case SQL_DESC_CATALOG_NAME:
case SQL_DESC_LABEL:
case SQL_DESC_LITERAL_PREFIX:
case SQL_DESC_LITERAL_SUFFIX:
case SQL_DESC_LOCAL_TYPE_NAME:
case SQL_DESC_NAME:
case SQL_DESC_SCHEMA_NAME:
case SQL_DESC_TABLE_NAME:
case SQL_DESC_TYPE_NAME:
case SQL_COLUMN_NAME:
buffer_length = buffer_length / 2;
if ( buffer_length > 0 )
{
as1 = malloc( buffer_length + 1 );
}
break;
}
ret = SQLCOLATTRIBUTE( statement -> connection,
statement -> driver_stmt,
column_number,
field_identifier,
as1 ? as1 : character_attribute,
buffer_length,
string_length,
numeric_attribute );
switch( field_identifier )
{
case SQL_DESC_BASE_COLUMN_NAME:
case SQL_DESC_BASE_TABLE_NAME:
case SQL_DESC_CATALOG_NAME:
case SQL_DESC_LABEL:
case SQL_DESC_LITERAL_PREFIX:
case SQL_DESC_LITERAL_SUFFIX:
case SQL_DESC_LOCAL_TYPE_NAME:
case SQL_DESC_NAME:
case SQL_DESC_SCHEMA_NAME:
case SQL_DESC_TABLE_NAME:
case SQL_DESC_TYPE_NAME:
case SQL_COLUMN_NAME:
if ( SQL_SUCCEEDED( ret ) && character_attribute && as1 )
{
ansi_to_unicode_copy( character_attribute, (char*) as1, SQL_NTS, statement -> connection );
}
if ( SQL_SUCCEEDED( ret ) && string_length )
{
*string_length *= sizeof( SQLWCHAR );
}
if ( as1 )
{
free( as1 );
}
break;
default:
break;
}
}
}
if ( ret == SQL_STILL_EXECUTING )
{
statement -> interupted_func = SQL_API_SQLCOLATTRIBUTE;
if ( statement -> state != STATE_S11 &&
statement -> state != STATE_S12 )
statement -> state = STATE_S11;
}
else if ( SQL_SUCCEEDED( ret ))
{
/*
* map ODBC 3 datetime fields to ODBC2
*/
if ( field_identifier == SQL_COLUMN_TYPE &&
numeric_attribute )
{
*(SQLINTEGER*)numeric_attribute=
__map_type(MAP_SQL_D2DM, statement->connection,
*(SQLINTEGER*)numeric_attribute);
}
}
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 );
}
|
