Is it possible to have a whole result set in MySQL?

SELECT * FROM `some_table`< /pre> 
 And the result set contains many rows, can the whole result set be hashed into one value? 
 
I should be clear, I don’t want each row to have a hash value. I want a hash value of the entire result set. 
 
That is, one has the whole set.
 
Edit: Make the requirements clearer.
 

SELECT MD5(GROUP_CONCAT(CONCAT(col1,col2,...))), 1 as g
 FROM some_table GROUP BY g; 

Is it possible to apply the hash function to the entire result set in mysql.

I know how to hash in each row of the result set Value

For example, SELECT md5('something')

But say I have a similar query

SELECT * FROM `some_table `

And the result set contains many rows, is it possible to hash the entire result set into one value?

I should be clear, I don’t want each row to have a hash value. I want a hash value of the entire result set.

That is, one has the whole set.

Edit: Make the requirements clearer.

Combine CONCAT() and GROUP_CONCAT():

SELECT MD5(GROUP_CONCAT(CONCAT(col1,col2,...))), 1 as g
 FROM some_table GROUP BY g;