SELECT trunc(random() * 13000000 + 1)::integer into temp table ids FROM generate_series(1,1000); explain analyze select sum(filesize) from libraryfilecontent , ids where libraryfilecontent.id=ids.trunc;
SELECT trunc(random() * 13000000 + 1)::integer into temp table ids FROM generate_ series( 1,1000) ; ent.id= ids.trunc;
explain analyze select sum(filesize) from libraryfilecontent , ids where libraryfilecont