Original query:
"Limit (cost=173739.98..173739.99 rows=3 width=104)"
" -> Sort (cost=173739.98..173739.99 rows=3 width=104)"
" Sort Key: sd.created_at DESC"
" -> Result (cost=0.43..173739.96 rows=3 width=104)"
" -> Append (cost=0.43..173739.90 rows=3 width=163)"
" -> Index Scan using sd_index_for_12_2018 on sensor_data_partitioned_2018_12 sd (cost=0.43..173739.90 rows=3 width=163)"
" Index Cond: (created_at > '2018-12-14 08:00:00+00'::timestamp with time zone)"
" Filter: ((doc ->> 'readerId'::text) = '1006'::text)"