Re: Cursor with hold for select takes too long
Tom Lane <tgl@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
To: Bindra Bambharoliya <bindra.bambharoliya@gmail.com>
Cc: Erik Brandsberg <erik@heimdalldata.com>, pgsql-sql@lists.postgresql.org
Date: 2024-03-22T17:57:33Z
Lists: pgsql-sql
Bindra Bambharoliya <bindra.bambharoliya@gmail.com> writes: > Query is like > Select a.id, sum(b.amount), > Count(c.am_id) ... from fact.a join fact.b on a.id= b.id join > Fact.vw_c on a.ida=vw_c.ida group by a.id; Is the query plan the same for cursor execution as regular? Compare EXPLAIN SELECT ... versus EXPLAIN DECLARE x CURSOR FOR SELECT ... (I'm not sure that WITH HOLD would make a difference, so maybe compare with and without that, too.) regards, tom lane