boolean anyPredecessorFailed = step.predecessors.stream().anyMatch(s -> s.status.get() == FAILED);

                // If any predecessor failed, we'll use a special status transition: CREATED -> SKIPPED
                // This ensures the step runs for cleanup but is marked as skipped in the end
                if (shouldExecute && anyPredecessorFailed) {

    checkNonnegative(position);
    int skipped = advance(iterator, position);
    if (!iterator.hasNext()) {
      throw new IndexOutOfBoundsException(
          "position ("
              + position
              + ") must be less than the number of elements that remained ("
              + skipped
              + ")");
    }
    return iterator.next();
  }

  /**

	// patch
	err = DB.AutoMigrate(&MissPKUser{}, &MissPKLanguage{})
	if err != nil {
		t.Fatalf("AutoMigrate err:%v", err)
	}
}

func TestPrimarykeyIDGaussDB(t *testing.T) {
	t.Skipf("This test case skipped, because of gaussdb not support uuid-ossp plugin (SQLSTATE 58P01)")
	if DB.Dialector.Name() != "gaussdb" {
		return
	}

	type MissPKLanguage struct {
		ID   string `gorm:"type:uuid;default:uuid_generate_v4()"`

     * all preceding ones need to be cloned.
     *
     * <p>This method does not decrement count for the removed entry, but does decrement count for
     * all partially collected entries which are skipped. As such callers which are modifying count
     * must re-read it after calling removeFromChain.
     *
     * @param first the first entry of the table
     * @param entry the entry being removed from the table