A control table used to query the event log buffer. Each row
instance in the table represents a query with its parameters.
The resulting data for each instance of a query in this table
is stored in the ceDiagEventResultTable.
A row in this table can be created by setting the corresponding
instance of ceDiagEventQueryStatus to 'createAndGo'.
A row can be deleted by setting the corresponding instance of
ceDiagEventQueryStatus to 'destroy'.