def __get_dbobject(self):
obj_name = self._attributes['MON$OBJECT_NAME']
obj_type = self._attributes['MON$OBJECT_TYPE']
if obj_type == 5: # procedure
return self.monitor._con.schema.get_procedure(obj_name)
elif obj_type == 2: # trigger
return self.monitor._con.schema.get_trigger(obj_name)
else:
raise fdb.ProgrammingError("Unrecognized object type '%d'" % obj_type)
def bind(self, connection):
"""Bind this instance to specified :class:`~fdb.Connection`.
:param connection: :class:`~fdb.Connection` instance.
:raises fdb.ProgrammingError: If Monitor object was set as internal (via
:meth:`_set_as_internal`) or database has ODS lower than 11.1.
"""
if self.__internal:
raise fdb.ProgrammingError("Call to 'bind' not allowed for embedded Monitor.")
if self._con:
self.close()
if connection.ods < fdb.ODS_FB_21:
raise fdb.ProgrammingError("Monitoring tables are available only " \
"for databases with ODS 11.1 and higher.")
self._con = connection
self._ic = self._con.trans(fdb.ISOLATION_LEVEL_READ_COMMITED_RO).cursor()
self.clear()
def terminate(self):
"""Terminates execution of statement.
:raises fdb.ProgrammingError: If this attachement is current session.
"""
if self.attachment == self.monitor.this_attachment:
raise fdb.ProgrammingError("Can't terminate statement from current session.")
else:
self.monitor._ic.execute('delete from mon$statements where mon$statement_id = ?',
(self.id,))
def close(self):
"""Sever link to :class:`~fdb.Connection`.
:raises fdb.ProgrammingError: If Monitor object was set as internal (via
:meth:`_set_as_internal`).
"""
if self.__internal:
raise fdb.ProgrammingError("Call to 'close' not allowed for embedded Monitor.")
self._close()
self.clear()
def __get_owner(self):
def find(seq):
for x in seq:
if x.stat_id == self.stat_id:
return x
return None
obj_type = self.group
if obj_type == STAT_DATABASE:
return self.monitor.db
elif obj_type == STAT_ATTACHMENT:
return find(self.monitor.attachments)
elif obj_type == STAT_TRANSACTION:
return find(self.monitor.transactions)
elif obj_type == STAT_STATEMENT:
return find(self.monitor.statements)
elif obj_type == STAT_CALL:
return find(self.monitor.callstack)
else:
raise fdb.ProgrammingError("Unrecognized table stat group '%d'" % obj_type)
def __fail_if_closed(self):
if self.closed:
raise fdb.ProgrammingError("Monitor is not binded to connection.")
