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Results tagged with recursive
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user 5705
Using recursion to solve database problems.
20
votes
1
answer
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CTE: Get all parents and all children in one statement
tree values (1, 'Grandfather', NULL);
insert into tree values (2, 'Father', 1);
insert into tree values (3, 'Son', 2);
-- -------------------------------------
-- Getting all children works
WITH RECURSIVE … tree.parent_id = rec.id
)
SELECT *
FROM rec;
-- Result:
-- id | name
-- ----+--------
-- 2 | Father
-- 3 | Son
-- -------------------------------------
-- Getting all parents works
WITH RECURSIVE …
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