Kairo-Jinkendo/backend/migrations/022_portfolio_rank.sql

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-- AP1.8a: Portfolio-Priorität (relatives Ranking im Tenant)
ALTER TABLE initiatives
ADD COLUMN IF NOT EXISTS portfolio_rank INT;
WITH ranked AS (
SELECT
id,
ROW_NUMBER() OVER (
PARTITION BY tenant_id
ORDER BY updated_at DESC, title
) - 1 AS rn
FROM initiatives
)
UPDATE initiatives AS i
SET portfolio_rank = ranked.rn
FROM ranked
WHERE i.id = ranked.id AND i.portfolio_rank IS NULL;
CREATE INDEX IF NOT EXISTS idx_initiatives_tenant_portfolio_rank
ON initiatives (tenant_id, portfolio_rank);
COMMENT ON COLUMN initiatives.portfolio_rank IS
'Relatives Portfolio-Ranking (0 = höchste Aufmerksamkeit). AP1.8a';