Hi All, 9.3 version using pgadmin3 Query like below,20 columns fetching SELECT col1,col2,col3,...col.20 FROM detail i, adjdetail ia, WHERE i.trans_id = ia.detail_id AND (i.event = ANY (ARRAY[21, 22, 3, 5])) created indexes on where clause declared columns.
Taking a lot of time above ..?any help apprectiated !. I have total 4 gb ram,i changed below in postgres.conf shared_buffers--1024mb temp_bufffers=8mb work_mem=200mb maintanace_work_mem=500mb seq_page_cost = 1.0 random_page_cost = 5.0 effective_cache_size = 1024MB On Wed, Nov 18, 2015 at 11:12 PM, Adrian Klaver <adrian.kla...@aklaver.com> wrote: > On 11/17/2015 04:18 AM, Ramesh T wrote: > >> the query is big it's selecting 20 rows from two table like i mentioned >> above exaplain analyze >> >> what should i do..?any help >> > > Please do not top post. > > I must be missing a post, as I see no explanation of what the query is > doing. > >> >> On Wed, Nov 4, 2015 at 4:27 AM, Adrian Klaver <adrian.kla...@aklaver.com >> <mailto:adrian.kla...@aklaver.com>> wrote: >> >> On 11/03/2015 06:42 AM, Ramesh T wrote: >> >> I have a Query it taking a lot of time to fetch results >> so,explain query gave >> >> "Hash Join (cost=55078.00..202405.95 rows=728275 width=418)" >> " Hash Cond: (itd.tran_id = iad._adj__id)" >> " -> Seq Scan on inv_detail itd (cost=0.00..40784.18 >> rows=731029 >> width=95)" >> " Filter: (event_type = ANY ('{21,22,3,5}'::integer[]))" >> " -> Hash (cost=20590.78..20590.78 rows=610978 width=331)" >> " -> Seq Scan on inv_adj iad (cost=0.00..20590.78 >> rows=610978 >> width=331)" >> >> Can you Please let me know wt happen in query..?wt should i do.. >> >> >> And the query is? >> >> >> -- >> Adrian Klaver >> adrian.kla...@aklaver.com <mailto:adrian.kla...@aklaver.com> >> >> >> > > -- > Adrian Klaver > adrian.kla...@aklaver.com >