ReadonlyCodeA stable code such as MJQ_UNFILTERED_VALUE; null for a plain message.
ReadonlyColumn1-based column in that line; null when the finding has no location.
ReadonlyFixHow to fix it; null when there is nothing specific to suggest.
ReadonlyLine1-based line in the SQL the finding is about; null when the finding has no location.
ReadonlyMessageWhat is wrong.
One finding about a query's SQL, as a UI shows it.