Re: Speed up the query - Mailing list pgsql-performance

Andreas, sorry this is the correct analyse for the query.

This is the index i created :

CREATE INDEX tbltransaksi_idx10 ON public.tbltransaksi
 USING btree ((date_part('year'::text, tanggal)));

This is the analyse of the query

"Limit  (cost=346377.92..346380.42 rows=1000 width=376)"
"  Output: qry1.id, qry1.nama, qry1.kodebarang, qry1.namabarang, (sum(CASE WHEN (qry1.bulan = 1::double precision) THEN
qry1.keluarELSE 0::numeric END)), (sum(CASE WHEN (qry1.bulan = 2::double precision) THEN qry1.keluar ELSE 0::numeric
END)),(sum(CASE WH (...)" 
"  CTE qry1"
"    ->  Hash Join  (cost=4444.64..62681.16 rows=766491 width=84)"
"          Output: tbltransaksi.tanggal, date_part('month'::text, (tbltransaksi.tanggal)::timestamp without time zone),
tblsupplier.id,tblsupplier.nama, tbltransaksi.kodebarang, tblproduk.namabarang, tbltransaksi.keluar, CASE WHEN
(tbltransaksi.discount<= (...)" 
"          Hash Cond: ((tbltransaksi.kodebarang)::text = (tblproduk.produkid)::text)"
"          ->  Seq Scan on public.tbltransaksi  (cost=0.00..24702.53 rows=766491 width=29)"
"                Output: tbltransaksi.id, tbltransaksi.tanggal, tbltransaksi.kodebarang, tbltransaksi.masuk,
tbltransaksi.keluar,tbltransaksi.satuan, tbltransaksi.keterangan, tbltransaksi.jenis, tbltransaksi.harga,
tbltransaksi.discount,tbltransaksi.juali (...)" 
"                Filter: ((tbltransaksi.jualid IS NOT NULL) OR ((tbltransaksi.returjualid IS NOT NULL) AND
(date_part('year'::text,(tbltransaksi.tanggal)::timestamp without time zone) = 2013::double precision)))" 
"          ->  Hash  (cost=3380.52..3380.52 rows=85130 width=68)"
"                Output: tblproduk.namabarang, tblproduk.produkid, tblsupplier.id, tblsupplier.nama"
"                ->  Hash Join  (cost=21.68..3380.52 rows=85130 width=68)"
"                      Output: tblproduk.namabarang, tblproduk.produkid, tblsupplier.id, tblsupplier.nama"
"                      Hash Cond: ((tblproduk.supplierid)::text = (tblsupplier.id)::text)"
"                      ->  Seq Scan on public.tblproduk  (cost=0.00..2188.30 rows=85130 width=51)"
"                            Output: tblproduk.produkid, tblproduk.namabarang, tblproduk.hargajual,
tblproduk.subkategoriid,tblproduk.createby, tblproduk.kodepromo, tblproduk.satuan, tblproduk.foto, tblproduk.pajak,
tblproduk.listingfee,tblproduk.supplier (...)" 
"                      ->  Hash  (cost=14.08..14.08 rows=608 width=26)"
"                            Output: tblsupplier.id, tblsupplier.nama"
"                            ->  Seq Scan on public.tblsupplier  (cost=0.00..14.08 rows=608 width=26)"
"                                  Output: tblsupplier.id, tblsupplier.nama"
"  ->  Sort  (cost=283696.76..283888.39 rows=76650 width=376)"
"        Output: qry1.id, qry1.nama, qry1.kodebarang, qry1.namabarang, (sum(CASE WHEN (qry1.bulan = 1::double
precision)THEN qry1.keluar ELSE 0::numeric END)), (sum(CASE WHEN (qry1.bulan = 2::double precision) THEN qry1.keluar
ELSE0::numeric END)), (sum(C (...)" 
"        Sort Key: (sum(COALESCE(qry1.keluar, 0::numeric)))"
"        ->  GroupAggregate  (cost=221240.80..279494.13 rows=76650 width=376)"
"              Output: qry1.id, qry1.nama, qry1.kodebarang, qry1.namabarang, sum(CASE WHEN (qry1.bulan = 1::double
precision)THEN qry1.keluar ELSE 0::numeric END), sum(CASE WHEN (qry1.bulan = 2::double precision) THEN qry1.keluar ELSE
0::numericEND), sum( (...)" 
"              ->  Sort  (cost=221240.80..223157.03 rows=766491 width=376)"
"                    Output: qry1.id, qry1.nama, qry1.kodebarang, qry1.namabarang, qry1.bulan, qry1.keluar"
"                    Sort Key: qry1.id, qry1.nama, qry1.kodebarang, qry1.namabarang"
"                    ->  CTE Scan on qry1  (cost=0.00..15329.82 rows=766491 width=376)"
"                          Output: qry1.id, qry1.nama, qry1.kodebarang, qry1.namabarang, qry1.bulan, qry1.keluar"


On Dec 1, 2013, at 3:12 PM, Andreas Kretschmer wrote:

> Hengky Liwandouw <hengkyliwandouw@gmail.com> 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 not null or returjualid is not null;
>
> an run the query again, and if this not helps show us explain analyse,
> you can use explain.depesz.com to provide us the plan.
>
>
> Andreas
> --
> Really, I'm not out to destroy Microsoft. That will just be a completely
> unintentional side effect.                              (Linus Torvalds)
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>
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