Why not use a "where member_id = '4567373'?
Gilles Roy wrote:
Given a arbitrary statement, I need to find out which row a specific
result is in, as efficiently as possible. The arbitrary statement can
order the results any way it wants.
For example, imagine statement X which returns a column of memberid.
They can be ordered by first name, last name, date, etc. If I want to
find out where (which row) memberid 4567373 stands in the result of
statement X, what is the most efficient way?
Currently, the best way I can think of is:
"SELECT memberid from (X)" and bring all of the results into my
application and then iterate through all of the results in a for loop,
looking for the memberid 4567373. It seems inefficient.
Is their a better way? It would be nice if there was some kind of
statement that could return where a specific memberid was in the results
of another statement.
Thanks,
Gilles
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