Re: [PERFORM] Speed up the query

2013-11-30 Thread Andreas Kretschmer
Hengky Liwandouw wrote: > > But the problem is : when i change the where clause to : > > where jualid is not null or returjualid is not null > and extract(year from tanggal)='2013') Try to create this index: create index xxx on public.tbltransaksi((extract(year from tanggal))) where jualid is

[PERFORM] Speed up the query

2013-11-30 Thread Hengky Liwandouw
Friends, i need help. I have query below that running well so far. it needs only 5.335 second to get data from 803.583 records. Here is the query : with qry1 as (select tanggal, extract(month from tanggal) as bulan, tblsupplier.id, nama, kodebarang, namabarang, keluar, case when disc

Re: [PERFORM] One query run twice in parallel results in huge performance decrease

2013-11-30 Thread Jan Michel
On 30.11.2013 00:48, Tom Lane wrote: Are you explicitly ANALYZE'ing the newly-built tables in your script, or are you just trusting auto-analyze to get the job done? Hi Tom, there is an explicit analyze of the table being done between filling the table with values and running this query. I sket