Denes Daniel wrote: > I've just inserted some newlines, so it's better to read than when my > email-client wraps the lines automatically. Did not touch the information > itself. But here is the normal output of EXPLAIN ANALYZE: The best thing to do is paste them in a text file and send it as an attachment. > QUERY PLAN > ------------------------------------------------------------------------------------------- > -------------------------------------------- > Sort (cost=100000132.10..100000140.10 rows=8 width=16) (actual > time=0.302..0.319 rows=9 loops=1) > Sort Key: tparent.ord, tchild.ord > -> Nested Loop (cost=0.00..84.10 rows=8 width=16) (actual > time=0.181..0.267 rows=9 loops=1) > -> Index Scan using par_uniq_ord on tparent (cost=0.00..20.40 > rows=4 width=8) (actual time=0.100..0.109 rows=4 loops=1) > Index Cond: ((ord >= 1) AND (ord <= 4)) > -> Index Scan using chi_pkey_parid_ord on tchild > (cost=0.00..9.93 rows=2 width=8) (actual time=0.020..0.026 rows=2 > loops=4) > Index Cond: (tchild.par_id = "outer".id) > Total runtime: 0.412 ms > (8 rows) > > The costs may be different because I've tuned the query planner's > parameters. Why did you set enable_sort=off? It's not like sorting 9 rows is going to take any noticeable amount of time anyway. -- Alvaro Herrera http://www.advogato.org/person/alvherre "No hay hombre que no aspire a la plenitud, es decir, la suma de experiencias de que un hombre es capaz" ---------------------------(end of broadcast)--------------------------- TIP 4: Have you searched our list archives? http://archives.postgresql.org