QUERY PLAN
Seq Scan on tbl_user_meta (cost=0.00..5.79 rows=20 width=75)
Filter: (((meta_key)::text = 'avatar'::text) AND (user_id = ANY ('{1004,1000,1001,5064,5476,5016,1005,5252,5461,5085,5311,5250,1013,5449,5446,1011,5360,5332,5087,5300}'::integer[])))