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 <[email protected]>
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 <[email protected]
>> <mailto:[email protected]>> 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
>> [email protected] <mailto:[email protected]>
>>
>>
>>
>
> --
> Adrian Klaver
> [email protected]
>
