How to show sequential number in MySQL query result

Question

I have some simple query:

SELECT foo, bar FROM table

i think you now whats the result looks like.

What I want to do is to show some

Answer 1

Neither of the answers worked for me, but based on bungdito's source, I realized you can do something easier:

SET @a:=0;
SELECT @a:=@a+1 No, foo, bar
FROM table;

So, first make sure SET @a:=0; runs. That will set up your variable, a. Then you can increment it in the results with @a:=@a+1. I tested this with GROUP BY, ORDER BY, even JOINS and it worked as expected.