How to retrieve the total row count of a query with TOP

Question

I have a SQL Server 2008 query

SELECT TOP 10 *
FROM T
WHERE ...
ORDER BY ...

I\'d like to get also the total number of the rows. The obious

Answer 1

What is in this answer seems to work:

https://stackoverflow.com/a/19125458/16241

Basically you do a:

SELECT top 100 YourColumns, TotalCount = Count(*) Over()
From YourTable
Where SomeValue = 32

TotalCount will have the total number of rows. It is listed on each row though.

When I tested this the query plan showed the table only being hit once.