Gets all constraints of type typeOfElementsToRetrieve from this catalog which affect a changed element. Used for update DDL SQL scripts to be able to drop constraints before DDL SQL statements are executed. If typeofElementsToRetrieve isn't a constraint type, an empty set is returned.

public HashSet<DBElementBase> GetAllConstraintsToDropForUpdate(
	DBElementType typeOfElementsToRetrieve,
	string schemaFilter
)

Public Function GetAllConstraintsToDropForUpdate ( 
	typeOfElementsToRetrieve As DBElementType,
	schemaFilter As String
) As HashSet(Of DBElementBase)