presto-hive/src/main/java/io/prestosql/plugin/hive/metastore/cache/CachingHiveMetastore.java/CachingHiveMetastore/getAllTables
class CachingHiveMetastore:    @Override
    public List<String> getAllTables(String databaseName)
    {
        return get(tableNamesCache, databaseName);
    }