Re: Query optimization

["David G. Johnston" <david.g.johnston@xxxxxxxxx>]

On Thursday, March 13, 2025, Durgamahesh Manne <maheshpostgres9@xxxxxxxxx> wrote:

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 Result  (cost=2.80..2.83 rows=1 width=1) (actual time=0.029..0.030 rows=1 loops=1)
   InitPlan 1 (returns $0)
     ->  Index Only Scan using idx_cachekeys on cachekeys  (cost=0.55..2.80 rows=1 width=0) (actual time=0.028..0.028 rows=1 loops=1)
           Index Cond: ((cachetype = 'BoMatrix'::text) AND (trsid = 'daznbetuk'::text) AND (brandid = 'daznbet'::text) AND (sportid = 'BOX'::text) AND (competitionid = 'U-1998'::text) AND (eventid = 'U-523596'::text))
           Heap Fetches: 1
 Planning Time: 0.084 ms
 Execution Time: 0.043 ms

To return one row takes 43ms is not optimal 

You are off by a factor of 1000 in your claimed performance.  It’s 0.043ms

David J.