Re: Buffers option - Mailing list pgsql-general

From hmidi slim
Subject Re: Buffers option
Date
Msg-id CAMsqVxta9+6js_SWt5LJkDHi+f3FfgPfQYJ_8-ytgbZeyLVSVg@mail.gmail.com
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In response to Re: Buffers option  (Luca Ferrari <fluca1978@infinito.it>)
List pgsql-general
with this query: explain (ANALYZE,BUFFERS) SELECT p.*FROM place as p, user as u where p.id = u.place_id and to_tsvector('simple', p.name) @@ to_tsquery('simple', 'a:*') and u.status = true; I got the buffers.I think that is not working with JOIN INNER. 2017-11-24 13:46 GMT+01:00 Luca Ferrari : > On Fri, Nov 24, 2017 at 12:30 PM, hmidi slim > wrote: > > I didn't get the number of read and hit buffers when I rexecute the query > > many times.How can I Fix that? and I tried the options costs, timing and > I > > got the same plan query however when trying the option format json it > works. > > > Not sure but I see a lot of nodes 'never executed' and 'rows=0' on the > first loop. Could it be the optimzer did not execute nothing at all? > > Luca >

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