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WITH posts_with_total_2_tags AS
(
SELECT TOP 100 PostId, COUNT(TagId) as tag_count
FROM PostTags
GROUP BY PostId
HAVING COUNT(TagId) = 2
),
posts_with_total_2_tags_separated AS
(
SELECT 
*,
MIN(TagId) OVER (PARTITION BY PostId) as tag_min_id,
MAX(TagId) OVER (PARTITION BY PostId) as tag_max_id 
FROM PostTags
WHERE PostId in (SELECT PostId FROM posts_with_total_2_tags)
),
posts_with_total_2_tags_separated_grouped AS
(
SELECT PostId, tag_min_id, tag_max_id 
FROM posts_with_total_2_tags_separated
GROUP BY PostId, tag_min_id, tag_max_id
)
SELECT * FROM posts_with_total_2_tags_separated_grouped

view current version

edited dec 6

created dec 6 user28646684