4 ms·

It's more like (in good old RDBMS world) 'SELECT * FROM payments' and calculate sum on client vs 'SELECT SUM(amount) FROM payments WHERE some_id = ?' though th

by alexpi 8y ago

It's more like (in good old RDBMS world) 'SELECT * FROM payments' and calculate sum on client vs 'SELECT SUM(amount) FROM payments WHERE some_id = ?' though they already had this sum precalculated

jasonkester 8y ago
That would be more forgivable. This is: SELECT * FROM payments where paymentID = 1 SELECT * FROM payments where paymentID = 2 SELECT * FROM payments where paymentID = 3 ... SELECT * FROM payments where paymentID = 14986 Each of those in its own API request over the wire, then sum them on the client.