cacheVulnerabiltyAffectedNamespacedFeature takes in a map of vulnerability ID to affected feature rows and caches them.

FindAffectedNamespacedFeatures retrieves vulnerabilities associated with the feature.

findLatestDeletedVulnerabilityIDs requires all elements in vulnIDs are in database and the order of output array is not guaranteed.

insertVulnerabilityAffected inserts a set of vulnerability affected features for each vulnerability provided.