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CREATE TABLE files (file text, path text, created timestamp); INSERT INTO files VALUES ('AAA', '08/22/A', '2022-08-22 22:00:00') , ('AAA', '08/22/A', '2022-08-22 21:00:00') , ('AAA', '08/21/A', '2022-08-21 20:00:00') , ('AAA', '08/20/A', '2022-08-20 21:00:00') , ('BBB', '08/22/B', '2022-08-22 21:00:00') , ('CCC', '08/22/C', '2022-08-22 21:00:00') , ('CCC', '08/21/C', '2022-08-21 21:00:00') ;
7 rows affected
WITH ranked_messages AS ( SELECT path , row_number() OVER (PARTITION BY file ORDER BY max(created) DESC) AS rating_in_section FROM files GROUP BY file, path ) SELECT path FROM ranked_messages WHERE rating_in_section > 1 GROUP BY path ORDER BY path DESC;
path
08/21/C
08/21/A
08/20/A