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10.2
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2024.2 LTS
2025.2 LTS
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Sakila
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AdventureWorks
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AdventureWorks
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SELECT subpath(p, 0, generate_series(1, nlevel(p))) FROM (VALUES ('1.2.2.2'::ltree)) AS t(p)
subpath
1
1.2
1.2.2
1.2.2.2
SELECT 4