QUERY PLAN
Seq Scan on tbl_user_meta (cost=0.00..5.67 rows=20 width=75)
Filter: (((meta_key)::text = 'avatar'::text) AND (user_id = ANY ('{1000,5446,5445,5440,5250,1011,5064,5420,1001,5329,5404,1004,1013,1005,5388,5360,5332,5311,5087,5300}'::integer[])))