SQLRETURN SQLGetInfoW( SQLHDBC connection_handle,
SQLUSMALLINT info_type,
SQLPOINTER info_value,
SQLSMALLINT buffer_length,
SQLSMALLINT *string_length )
{
DMHDBC connection = (DMHDBC)connection_handle;
SQLRETURN ret = SQL_SUCCESS;
int type;
char txt[ 30 ], *cptr;
SQLPOINTER *ptr;
SQLCHAR s1[ 100 + LOG_MESSAGE_LEN ];
SQLUSMALLINT sval;
/*
* check connection
*/
if ( !__validate_dbc( connection ))
{
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
"Error: SQL_INVALID_HANDLE" );
#ifdef WITH_HANDLE_REDIRECT
{
DMHDBC parent_connection;
parent_connection = find_parent_handle( connection, SQL_HANDLE_DBC );
if ( parent_connection ) {
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
"Info: found parent handle" );
if ( CHECK_SQLGETINFOW( parent_connection ))
{
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
"Info: calling redirected driver function" );
return SQLGETINFOW( parent_connection,
connection_handle,
info_type,
info_value,
buffer_length,
string_length );
}
}
}
#endif
return SQL_INVALID_HANDLE;
}
function_entry( connection );
if ( log_info.log_flag )
{
sprintf( connection -> msg, "\n\t\tEntry:\
\n\t\t\tConnection = %p\
\n\t\t\tInfo Type = %s\
\n\t\t\tInfo Value = %p\
\n\t\t\tBuffer Length = %d\
\n\t\t\tStrLen = %p",
connection,
__info_as_string( s1, info_type ),
info_value,
(int)buffer_length,
(void*)string_length );
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
connection -> msg );
}
SQLRETURN __SQLGetInfo( SQLHDBC connection_handle,
SQLUSMALLINT info_type,
SQLPOINTER info_value,
SQLSMALLINT buffer_length,
SQLSMALLINT *string_length )
{
DMHDBC connection = (DMHDBC)connection_handle;
SQLRETURN ret = SQL_SUCCESS;
int type;
SQLUSMALLINT sval;
char txt[ 30 ], *cptr;
SQLPOINTER *ptr;
switch ( info_type )
{
case SQL_DATA_SOURCE_NAME:
type = 1;
cptr = connection -> dsn;
break;
case SQL_DM_VER:
type = 1;
sprintf( txt, "%02d.%02d.%04d.%04d",
SQL_SPEC_MAJOR, SQL_SPEC_MINOR,
atoi( VERSION ), atoi( VERSION + 2 ));
cptr = txt;
break;
case SQL_ODBC_VER:
type = 1;
sprintf( txt, "%02d.%02d",
SQL_SPEC_MAJOR, SQL_SPEC_MINOR );
cptr = txt;
break;
case SQL_DRIVER_HDBC:
type = 2;
ptr = (SQLPOINTER) connection -> driver_dbc;
break;
case SQL_DRIVER_HENV:
type = 2;
ptr = (SQLPOINTER) connection -> driver_env;
break;
case SQL_DRIVER_HDESC:
{
if ( info_value )
{
DMHDESC hdesc = *((DMHDESC*) info_value);
type = 2;
if ( __validate_desc( hdesc ))
{
ptr = (SQLPOINTER) hdesc -> driver_desc;
}
else
{
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
"Error: HY024" );
__post_internal_error( &connection -> error,
ERROR_HY024, NULL,
connection -> environment -> requested_version );
return SQL_ERROR;
}
}
}
break;
case SQL_DRIVER_HLIB:
type = 2;
ptr = connection -> dl_handle;
break;
case SQL_DRIVER_HSTMT:
{
if ( info_value )
{
DMHSTMT hstmt = *((DMHSTMT*) info_value);
type = 2;
if ( __validate_stmt( hstmt ))
{
ptr = (SQLPOINTER) hstmt -> driver_stmt;
}
else
{
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
"Error: HY024" );
__post_internal_error( &connection -> error,
ERROR_HY024, NULL,
connection -> environment -> requested_version );
return SQL_ERROR;
}
}
}
break;
case SQL_XOPEN_CLI_YEAR:
type = 1;
cptr = connection -> cli_year;
break;
case SQL_ATTR_DRIVER_THREADING:
type = 3;
sval = connection -> threading_level;
break;
default:
/*
* pass all the others on
*/
if ( connection -> unicode_driver )
{
SQLWCHAR *s1 = NULL;
if ( !CHECK_SQLGETINFOW( connection ))
{
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
"Error: IM001" );
__post_internal_error( &connection -> error,
ERROR_IM001, NULL,
connection -> environment -> requested_version );
return SQL_ERROR;
}
switch( info_type )
{
case SQL_ACCESSIBLE_PROCEDURES:
case SQL_ACCESSIBLE_TABLES:
case SQL_CATALOG_NAME:
case SQL_CATALOG_NAME_SEPARATOR:
case SQL_CATALOG_TERM:
case SQL_COLLATION_SEQ:
case SQL_COLUMN_ALIAS:
case SQL_DATA_SOURCE_NAME:
case SQL_DATA_SOURCE_READ_ONLY:
case SQL_DATABASE_NAME:
case SQL_DBMS_NAME:
case SQL_DBMS_VER:
case SQL_DESCRIBE_PARAMETER:
case SQL_DRIVER_NAME:
case SQL_DRIVER_ODBC_VER:
case SQL_DRIVER_VER:
case SQL_ODBC_VER:
case SQL_EXPRESSIONS_IN_ORDERBY:
case SQL_IDENTIFIER_QUOTE_CHAR:
case SQL_INTEGRITY:
case SQL_KEYWORDS:
case SQL_LIKE_ESCAPE_CLAUSE:
case SQL_MAX_ROW_SIZE_INCLUDES_LONG:
case SQL_MULT_RESULT_SETS:
case SQL_MULTIPLE_ACTIVE_TXN:
case SQL_NEED_LONG_DATA_LEN:
case SQL_ORDER_BY_COLUMNS_IN_SELECT:
case SQL_PROCEDURE_TERM:
case SQL_PROCEDURES:
case SQL_ROW_UPDATES:
case SQL_SCHEMA_TERM:
case SQL_SEARCH_PATTERN_ESCAPE:
case SQL_SERVER_NAME:
case SQL_SPECIAL_CHARACTERS:
case SQL_TABLE_TERM:
case SQL_USER_NAME:
case SQL_XOPEN_CLI_YEAR:
case SQL_OUTER_JOINS:
if ( info_value && buffer_length > 0 )
{
buffer_length = sizeof( SQLWCHAR ) * ( buffer_length + 1 );
s1 = malloc( buffer_length );
}
break;
}
ret = SQLGETINFOW( connection,
connection -> driver_dbc,
info_type,
s1 ? s1 : info_value,
buffer_length,
string_length );
switch( info_type )
{
case SQL_ACCESSIBLE_PROCEDURES:
case SQL_ACCESSIBLE_TABLES:
case SQL_CATALOG_NAME:
case SQL_CATALOG_NAME_SEPARATOR:
case SQL_CATALOG_TERM:
case SQL_COLLATION_SEQ:
case SQL_COLUMN_ALIAS:
case SQL_DATA_SOURCE_NAME:
case SQL_DATA_SOURCE_READ_ONLY:
case SQL_DATABASE_NAME:
case SQL_DBMS_NAME:
case SQL_DBMS_VER:
case SQL_DESCRIBE_PARAMETER:
case SQL_DRIVER_NAME:
case SQL_DRIVER_ODBC_VER:
case SQL_DRIVER_VER:
case SQL_ODBC_VER:
case SQL_EXPRESSIONS_IN_ORDERBY:
case SQL_IDENTIFIER_QUOTE_CHAR:
case SQL_INTEGRITY:
case SQL_KEYWORDS:
case SQL_LIKE_ESCAPE_CLAUSE:
case SQL_MAX_ROW_SIZE_INCLUDES_LONG:
case SQL_MULT_RESULT_SETS:
case SQL_MULTIPLE_ACTIVE_TXN:
case SQL_NEED_LONG_DATA_LEN:
case SQL_ORDER_BY_COLUMNS_IN_SELECT:
case SQL_PROCEDURE_TERM:
case SQL_PROCEDURES:
case SQL_ROW_UPDATES:
case SQL_SCHEMA_TERM:
case SQL_SEARCH_PATTERN_ESCAPE:
case SQL_SERVER_NAME:
case SQL_SPECIAL_CHARACTERS:
case SQL_TABLE_TERM:
case SQL_USER_NAME:
case SQL_XOPEN_CLI_YEAR:
case SQL_OUTER_JOINS:
if ( SQL_SUCCEEDED( ret ) && info_value && s1 )
{
unicode_to_ansi_copy( info_value, buffer_length, s1, SQL_NTS, connection, NULL );
}
if ( SQL_SUCCEEDED( ret ) && string_length && info_value )
{
*string_length = strlen(info_value);
}
break;
}
if ( s1 )
{
free( s1 );
}
}
else
{
if ( !CHECK_SQLGETINFO( connection ))
{
dm_log_write( __FILE__,
__LINE__,
LOG_INFO,
LOG_INFO,
"Error: IM001" );
__post_internal_error( &connection -> error,
ERROR_IM001, NULL,
connection -> environment -> requested_version );
return SQL_ERROR;
}
ret = SQLGETINFO( connection,
connection -> driver_dbc,
info_type,
info_value,
buffer_length,
string_length );
}
return ret;
}
if ( type == 1 )
{
if ( string_length )
*string_length = strlen( cptr );
if ( info_value )
{
if ( buffer_length > strlen( cptr ) + 1 )
{
strcpy( info_value, cptr );
}
else
{
memcpy( info_value, cptr, buffer_length - 1 );
((char*)info_value)[ buffer_length - 1 ] = '\0';
ret = SQL_SUCCESS_WITH_INFO;
}
}
}
else if ( type == 2 )
{
if ( info_value )
*((void **)info_value) = ptr;
if ( string_length )
*string_length = sizeof( SQLPOINTER );
}
else if ( type == 3 )
{
if ( info_value )
*((SQLUSMALLINT *)info_value) = sval;
if ( string_length )
*string_length = sizeof( SQLUSMALLINT );
}
return ret;
}