what is the GQL count query

Question

In the interest of time, I do mean GQL, as in

SELECT * FROM Song WHERE composer = 'Lennon, John'

The following failed

SELECT COUNT(*) FROM myEntity

also the following

SELECT COUNT() FROM myEntity

Answer 1

As shown here, there is actually a way to count the return of your GQL. The doc about the GQL language shows you can't really do a count on the query itself. So what you would do is take your select *, put it in a GQL query object, then call the "count()" method on that object to have the count