appointment-booking-software/migrations/0004_robust_nextwave.sql

ALTER TABLE "tenant" 
ALTER COLUMN "description" 
SET DATA TYPE json 
USING CASE 
    WHEN description IS NULL THEN NULL
    WHEN description::text = '' THEN NULL
    ELSE description::json 
END;--> statement-breakpoint
ALTER TABLE "tenant" ALTER COLUMN "description" SET NOT NULL;