Re: Fwd: postgresql performance question

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От Pavan Teja
Тема Re: Fwd: postgresql performance question
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Msg-id CACh9nsZUA+4hwpXgijkbquQ+tsSPCv6JKnrP-p_wVV_n3B+4Sw@mail.gmail.com
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Ответ на Fwd: postgresql performance question  (許耀彰 <kpm906@gmail.com>)
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Hi,

You can filter by using error_severity condition in the where Clause like:
Select * from log2 where error_severity ='error';


Regards,
Pavan

On Feb 11, 2018 9:31 PM, "許耀彰" <kpm906@gmail.com> wrote:
Dear Support Team, 
I create a table by command as listed as below:
CREATE TABLE public.log2
(
        d3 text COLLATE pg_catalog."default"
)
WITH (

    OIDS = FALSE

)

TABLESPACE pg_default;

And then use command as listed as below to import data to log2 table

COPY log2 FROM '/home/anderson/0107.csv' CSV HEADER;

My purpose is to import log information to log2 table to analysis, but I found one situation : for example , I have 166856 records in log2 table, when I use select command to list data , it spent a lot time, can we adjust the situation ? 
select * from log2 
Thanks for your kindly assistance.
Additional information: The attachment is log format
Best Regards, Anderson Hsu


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