Suppose that you have a query, say $sql_query, which is very
complicated and produces many rows. Which of the following is going to
be faser:
$sql_query OFFSET 3000 LIMIT 12;
or
BEGIN;
DECLARE cur1 CURSOR FOR $sql_query;
MOVE 3000 IN cur1;
FETCH 12 FROM cur1;
COMMIT;
Naturally, the former cannot be slower than the latter. So my question
essentially is whether the MOVE operation on a cursor is
(significantly) slower that a OFFSET on the SELECT.
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