presto-hive/src/main/java/io/prestosql/plugin/hive/metastore/cache/CachingHiveMetastore.java/CachingHiveMetastore/commentTable
class CachingHiveMetastore:    @Override
    public void commentTable(HiveIdentity identity, String databaseName, String tableName, Optional<String> comment)
    {
        identity = updateIdentity(identity);
        try {
            delegate.commentTable(identity, databaseName, tableName, comment);
        }
        finally {
            invalidateTable(databaseName, tableName);
        }
    }