Hi, Doing this returns 0 records
On Thu, Aug 13, 2015 at 7:22 PM, 林士博 [via PostgreSQL] < ml-node+s1045698n5862008...@n5.nabble.com> wrote: > In the 'not exists' cluster, you do not have to search table "Vacancy as > v" again. > I think it would be faster to use the outer Vacancy table as below. > In your case, that do the same work. > > NOT EXISTS ( > SELECT 1 > FROM "CategoryOption_TableRow" "ct126" > WHERE "Vacancy"."Template" > AND "ct126"."CategoryOptionID" IN (34024,35254,35255,35256) > AND "ct126"."Category_TableID" = 126 > AND "ct126"."RowID" = "Vacancy"."ID" > ) > > > ------------------------------ > If you reply to this email, your message will be added to the discussion > below: > http://postgresql.nabble.com/Slow-Query-tp5861835p5862008.html > To unsubscribe from Slow Query, click here > <http://postgresql.nabble.com/template/NamlServlet.jtp?macro=unsubscribe_by_code&node=5861835&code=cm9iY2FtcGJlbGw3M0BnbWFpbC5jb218NTg2MTgzNXwxOTc1MDc2ODM4> > . > NAML > <http://postgresql.nabble.com/template/NamlServlet.jtp?macro=macro_viewer&id=instant_html%21nabble%3Aemail.naml&base=nabble.naml.namespaces.BasicNamespace-nabble.view.web.template.NabbleNamespace-nabble.view.web.template.NodeNamespace&breadcrumbs=notify_subscribers%21nabble%3Aemail.naml-instant_emails%21nabble%3Aemail.naml-send_instant_email%21nabble%3Aemail.naml> > -- Regards Robert Campbell +61412062971 robcampbel...@gmail.com -- View this message in context: http://postgresql.nabble.com/Slow-Query-tp5861835p5862122.html Sent from the PostgreSQL - performance mailing list archive at Nabble.com.