"Hell, Robert" <[EMAIL PROTECTED]> writes: > This patch adds a GUC parameter for tuple_fraction of cursors (discussed > earlier here: > http://archives.postgresql.org/pgsql-performance/2008-04/msg00018.php). > By setting this parameter the planner's favor to use fast-start plans > for cursors can be affected.
Applied with some documentation cleanup, and also care for the behavior at the range endpoints 0 and 1. A user expecting it to act like a simple fraction would have been quite surprised at the endpoints (see the header comments for grouping_planner). regards, tom lane -- Sent via pgsql-patches mailing list (email@example.com) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-patches