presto-local-file/src/main/java/io/prestosql/plugin/localfile/LocalFileColumnHandle.java/LocalFileColumnHandle/equals
class LocalFileColumnHandle:    @Override
    public boolean equals(Object o)
    {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        LocalFileColumnHandle that = (LocalFileColumnHandle) o;
        return Objects.equals(columnName, that.columnName) &&
                Objects.equals(columnType, that.columnType) &&
                Objects.equals(ordinalPosition, that.ordinalPosition);
    }