Hi! I eventually tried with an 'vacuum analyse' which made postgres to use my index and the query was completed in 200 ms (insted of tens of seconds) and I was happy again! Thanks! /Rickard Citerar Tom Lane <tgl@xxxxxxxxxxxxx>: > Rickard =?iso-8859-1?b?U2r2c3Ry9m0=?= > <rickard.sjostrom@xxxxxxxxxxxxxx> writes: > > fast db: > > ------------------------- > > -> Index Scan using testcase_b_bid_index on testcase > (cost=0.00..1656.82 rows=426 width=38) (never executed)" > > ------------------------- > > > slow db: > > ------------------------- > > -> Seq Scan on testcase (cost=0.00..2896.42 rows=33242 > width=64) (actual time=77.027..791.014 rows=37093 loops=1)" > > ------------------------- > > Let's see the query and the *whole* explain analyze output, not the > part > you (mistakenly) think is important. > > regards, tom lane >
