Kairo-Jinkendo/backend/migrations/028_backlog_epic_hierarchy.sql
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feat(backlog): Epic-Hierarchie mit parent_backlog_id (ADP P2)
Epics als Backlog-Container mit Baum-UI, Convert-Guard und pytest-Abdeckung — Roll-up bleibt für P4 offen.

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-07-27 09:22:20 +02:00

15 lines
607 B
SQL

-- AP2.2f / ADP Backlog Epic-Hierarchie — parent_backlog_id + item_kind epic
ALTER TABLE backlog_items
ADD COLUMN IF NOT EXISTS parent_backlog_id UUID NULL
REFERENCES backlog_items (id) ON DELETE SET NULL;
CREATE INDEX IF NOT EXISTS idx_backlog_parent_backlog
ON backlog_items (tenant_id, initiative_id, parent_backlog_id)
WHERE parent_backlog_id IS NOT NULL;
ALTER TABLE backlog_items DROP CONSTRAINT IF EXISTS backlog_items_item_kind_check;
ALTER TABLE backlog_items
ADD CONSTRAINT backlog_items_item_kind_check
CHECK (item_kind IN ('story', 'bug', 'issue', 'epic'));