presto-main/src/main/java/io/prestosql/sql/planner/planprinter/IoPlanPrinter.java/TableColumnInfo/toString
class TableColumnInfo:            @Override
            public String toString()
            {
                return toStringHelper(this)
                        .add("table", table)
                        .add("columnConstraints", columnConstraints)
                        .add("estimate", estimate)
                        .toString();
            }