CTE Aliases
------------
Key: CORE-4693
URL: http://tracker.firebirdsql.org/browse/CORE-4693
Project: Firebird Core
Issue Type: Bug
Affects Versions: 3.0 Beta 2
Environment: Windows 7
Reporter: Pavel Zholnerovich
Dont Work
WITH RECURSIVE
group_tree AS (
SELECT id, parent, name, CAST('' AS VARCHAR(255)) AS indent
FROM gd_goodgroup
WHERE parent IS NULL
UNION ALL
SELECT g.id, g.parent, g.name, h.indent || rpad('', 2)
FROM gd_goodgroup g JOIN group_tree h
ON g.parent = h.id
)
SELECT
gt.indent || gt.name
FROM
group_tree gt
Dynamic SQL Error.
SQL error code = -206.
Column unknown.
H.ID.
At line 16, column 14.
and so works
WITH RECURSIVE
group_tree AS (
SELECT id, parent, name, CAST('' AS VARCHAR(255)) AS indent
FROM gd_goodgroup
WHERE parent IS NULL
UNION ALL
SELECT g.id, g.parent, g.name, group_tree.indent || rpad('', 2)
FROM gd_goodgroup g JOIN group_tree
ON g.parent = group_tree.id
)
SELECT
gt.indent || gt.name
FROM
group_tree gt
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