On Fri, 2025-02-07 at 16:16 +0000, Jon Emord wrote: > explain (analyze, buffers) > select data_model_id, primary_key > from entity > WHERE (data_model_id, primary_key) BETWEEN (123, ‘ABC’) AND (123, ‘DEF’) > limit 101; > QUERY PLAN > ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- > Limit (cost=0.70..6.37 rows=101 width=31) (actual time=0.094..2712.844 rows=100 loops=1) > Buffers: shared hit=97259 > -> Index Only Scan using entity_data_model_id_primary_key_uniq on entity (cost=0.70..873753.60 rows=15581254 width=31) (actual time=0.093..2712.836 rows=100 loops=1) > Index Cond: ((ROW(data_model_id, primary_key) >= ROW(123, 'ABC'::text)) AND (ROW(data_model_id, primary_key) <= ROW(123, 'DEF'::text))) > Heap Fetches: 4 > Buffers: shared hit=97259 > Planning: > Buffers: shared hit=104 > Planning Time: 0.204 ms > Execution Time: 2712.873 ms How is the index "entity_data_model_id_primary_key_uniq" defined? Yours, Laurenz Albe
