Submitted by: Denis Nosov (dens256)

isql -u SYSDBA -p masterke "localhost:c:\Program Files\Firebird\Firebird_2_5\examples\empbuild\employee.fdb"
SQL> select current_connection from rdb$database;

CURRENT_CONNECTION

             7

--Start trace session for connection_id=7 in IBExpert
trace.conf:
<database "">
enabled true
connection_id 7
include_filter %(SELECT|INSERT|UPDATE|DELETE)%
log_connections true
log_transactions true
log_statement_prepare true
log_statement_free true
log_statement_start true
log_statement_finish true
log_procedure_start true
log_procedure_finish true
log_trigger_start true
log_trigger_finish true
log_context true
print_plan true
print_perf true
log_blr_requests false
print_blr false
log_dyn_requests false
print_dyn false
time_threshold 0
max_sql_length 5000
max_blr_length 500
max_dyn_length 500
max_arg_length 80
max_arg_count 30
</database>
<services>
enabled false
log_services false
log_service_query false
</services>

SQL> select 'ЯЯ'/*russian symbols*/ from rdb$database;

CONSTANT

ЯЯ

firebird.log:
KIT87 Wed Apr 28 12:31:42 2010
Trace plugin fbtrace.dll returned error on call tpl_event_dsql_prepare.
Error details: Firebird::status_exception

Commits: 335e3ad 567444e