WLE participants in previous years

SQL

use commonswiki_p;

SELECT CONCAT("# {{#target:User_talk:", actor_name, "}}") as line
FROM revision r_prev
join categorylinks on rev_page = cl_from
join actor on rev_actor = actor_id and actor_user is not null
WHERE rev_parent_id = 0
and cl_to IN (
      "Images from Wiki Loves Earth 2015 in Portugal",
"Images from Wiki Loves Earth 2018 in Portugal",
"Images from Wiki Loves Earth 2019 in Portugal",
"Images from Wiki Loves Earth 2020 in Portugal",
"Images from Wiki Loves Earth 2021 in Portugal",
"Images from Wiki Loves Earth 2022 in Portugal",
"Images from Wiki Loves Earth 2023 in Portugal"
) and not exists (
  SELECT 1
	FROM revision
	join categorylinks on rev_page = cl_from
	WHERE 
                  rev_parent_id = 0 AND  
                  rev_actor = r_prev.rev_actor	and 
                  cl_to IN ("Images from Wiki Loves Earth 2024 in Portugal")  
)  
 GROUP BY actor_name
SQL

Checking query status...
