presto-spi/src/main/java/io/prestosql/spi/block/DictionaryBlock.java/DictionaryBlock/equals
class DictionaryBlock:    @Override
    public boolean equals(int position, int offset, Block otherBlock, int otherPosition, int otherOffset, int length)
    {
        return dictionary.equals(getId(position), offset, otherBlock, otherPosition, otherOffset, length);
    }