From: | Anton <djeday84(at)gmail(dot)com> |
---|---|
To: | Jim Nasby <Jim(dot)Nasby(at)BlueTreble(dot)com>, pgsql-general <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: [HACKERS] optimization join on random value |
Date: | 2015-05-04 08:48:02 |
Message-ID: | 55473242.2000908@gmail.com |
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Lists: | pgsql-general pgsql-hackers |
Yahooo !
Many thanks !
soe=# explain EXECUTE test( random()*45000 );
QUERY PLAN
-------------------------------------------------------------------------------------
Index Scan using addresses_cust_ix on addresses (cost=0.43..16.48
rows=3 width=84)
Index Cond: (customer_id = 13117::bigint)
On 04.05.2015 05:10, Jim Nasby wrote:
> PREPARE test AS SELECT ... WHERE customer_id = $1;
> EXECUTE test( random()*45000 );
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