presto-base-jdbc/src/main/java/io/prestosql/plugin/jdbc/JdbcTableHandle.java/JdbcTableHandle/toString
class JdbcTableHandle:    @Override
    public String toString()
    {
        StringBuilder builder = new StringBuilder();
        builder.append(schemaTableName).append(" ");
        Joiner.on(".").skipNulls().appendTo(builder, catalogName, schemaName, tableName);
        limit.ifPresent(value -> builder.append(" limit=").append(value));
        return builder.toString();
    }