Re: Difference between explain analyze and real execution time

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От Artur Zając
Тема Re: Difference between explain analyze and real execution time
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Msg-id 009f01cb850c$55f962e0$01ec28a0$@ang.com.pl
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Ответ на Re: Difference between explain analyze and real execution time  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-performance

> I've changed default_statistics_target to 10000 and I think that is a
> reason.

> That's certainly going to cost you something, but this seems like a mighty
large slowdown, especially for a non-join query.  What datatype is te.idtr,
anyway?

Integer not null and primary key of t_positions table.

Table t_positions has about 1500000 records, table t_st about 130000
records.


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Artur Zajac



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