QUERY PLAN
Seq Scan on tbl_user_meta (cost=0.00..5.75 rows=20 width=75)
Filter: (((meta_key)::text = 'avatar'::text) AND (user_id = ANY ('{5333,5351,5357,5356,5298,5309,1006,5299,5304,5096,5302,5301,5259,5094,5305,5258,5297,5249,5303,5023}'::integer[])))