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adv_sample_user_queries_plus [2016/03/13 23:24]
daniel
adv_sample_user_queries_plus [2021/05/15 14:18]
daniel index optimisation
Line 25: Line 25:
 <code sql> <code sql>
 SELECT mail_id FROM mail m SELECT mail_id FROM mail m
-WHERE status&(16+32)=0+WHERE status&32=0 AND status&16 -- intentionally split to benefit from the index on mail.status&​32=0
 AND msg_date<​now()-'​1 month'::​interval AND msg_date<​now()-'​1 month'::​interval
 AND thread_id is not null AND thread_id is not null
adv_sample_user_queries_plus.txt ยท Last modified: 2021/05/15 14:21 by daniel