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 ('{1001,5332,5087,5300,5295,5449,1004,1005,5085,5311,5248,1022,1023,1017,1015,1011,5360,5446,5252,5388}'::integer[])))