From: Hengky Liwandouw <hengkyliwandouw@gmail.com>
To: pgsql-performance@postgresql.org
Cc: Andreas Kretschmer <akretschmer@spamfence.net>
Subject: Re: Speed up the query
Date: Sun, 1 Dec 2013 16:31:48 +0800
Message-ID: <35F37CEE-43DA-4B06-9DB8-953A1998B21A@gmail.com> (raw)
In-Reply-To: <20131201071231.GA4780@tux>
References: <B097B80F-2D51-4F42-BC0D-5A38CBCD0C01@gmail.com>
<20131201071231.GA4780@tux>
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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.keluar ELSE 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 ELSE 0::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::numeric END), 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)
> "If I was god, I would recompile penguin with --enable-fly." (unknown)
> Kaufbach, Saxony, Germany, Europe. N 51.05082°, E 13.56889°
>
>
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To: pgsql-performance@postgresql.org
Cc: hengkyliwandouw@gmail.com, akretschmer@spamfence.net
Subject: Re: Speed up the query
In-Reply-To: <35F37CEE-43DA-4B06-9DB8-953A1998B21A@gmail.com>
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