SYBASE 字符集升级问题，如何处理从iso-1升级到cp936

hzc761207

数据库平台为SYBASE 12.5，sun小型机，字符集iso-1；因为开发软件的需要把字符集调整为cp936，现在发现问题：字符集调整后，如果表中字段类型为text时需要执行dbcc fix_text(table_name)，执行完毕后报错，提示错误信息如下：
Server Message:  Number  691, Severity  16
Server 'QDBHSERVER', Line 1:
Encountered invalid logical page '-975841353' while accessing object '676197459' in database '4'. This is an internal system error. Please contact Sybase Technical Support.
Server Message:  Number  1203, Severity  16
Server 'QDBHSERVER', Line 1:
Caller of lock manager is incorrectly trying to release or downgrade a lock which it doesn't hold. spid=11 locktype=2 dbid=4 page number (or objid for table lock)=676197459, objid (if not a table lock)=0, row number=0.
DBCC execution completed. If DBCC printed error messages, contact a user with System Administrator (SA) role.

hobbylu

select object_name(676197459')
获得改表名后重建表