ALTER TABLE "training_records"
  ADD COLUMN "submitted_minutes" integer,
  ADD COLUMN "approved_minutes" integer;

UPDATE "training_records"
SET
  "submitted_minutes" = ROUND("hours" * 60),
  "approved_minutes" = CASE
    WHEN "approved_hours" IS NULL THEN NULL
    ELSE ROUND("approved_hours" * 60)
  END
WHERE "submitted_minutes" IS NULL
   OR ("approved_hours" IS NOT NULL AND "approved_minutes" IS NULL);

ALTER TABLE "training_policies"
  ADD COLUMN "total_target_minutes" integer,
  ADD COLUMN "k_target_minutes" integer,
  ADD COLUMN "s_target_minutes" integer,
  ADD COLUMN "a_target_minutes" integer;

UPDATE "training_policies"
SET
  "total_target_minutes" = ROUND("total_hours" * 60),
  "k_target_minutes" = ROUND("k_hours" * 60),
  "s_target_minutes" = ROUND("s_hours" * 60),
  "a_target_minutes" = ROUND("a_hours" * 60)
WHERE "total_target_minutes" IS NULL
   OR "k_target_minutes" IS NULL
   OR "s_target_minutes" IS NULL
   OR "a_target_minutes" IS NULL;

ALTER TABLE "employee_training_targets"
  ADD COLUMN "total_target_minutes" integer,
  ADD COLUMN "k_target_minutes" integer,
  ADD COLUMN "s_target_minutes" integer,
  ADD COLUMN "a_target_minutes" integer;

UPDATE "employee_training_targets"
SET
  "total_target_minutes" = ROUND("total_hours" * 60),
  "k_target_minutes" = ROUND("k_hours" * 60),
  "s_target_minutes" = ROUND("s_hours" * 60),
  "a_target_minutes" = ROUND("a_hours" * 60)
WHERE "total_target_minutes" IS NULL
   OR "k_target_minutes" IS NULL
   OR "s_target_minutes" IS NULL
   OR "a_target_minutes" IS NULL;