presto-atop/src/main/java/io/prestosql/plugin/atop/AtopColumnHandle.java/AtopColumnHandle/equals
class AtopColumnHandle:    @Override
    public boolean equals(Object obj)
    {
        if (this == obj) {
            return true;
        }
        if (obj == null || getClass() != obj.getClass()) {
            return false;
        }
        AtopColumnHandle other = (AtopColumnHandle) obj;
        return Objects.equals(this.name, other.name);
    }