plukovic <petar@xxxxxxxxx> writes: > I have a weird case of query execution performance here. My first thought is that you are getting a bad plan because of this estimation error: > -> Index Scan using uk_TBL_sk0_account_code on TBL_sk > sk2_ (cost=0.14..12.53 rows=1 width=426) (actual time=1.036..1.084 rows=50 > loops=1) > Index Cond: (acco_id = 1) That rowcount estimate is off by 50X, resulting in 50X errors for the joins above it too, and in misguided choices of nestloops when some other join method would be better. Probably things would improve with a better estimate. Maybe you need to increase the stats target for that table ... or maybe it just hasn't been ANALYZEd lately? regards, tom lane -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
