SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 2)
    Function space (children 1)
     ExpressionList (children 1)
      Identifier i32
    Function length (children 1)
     ExpressionList (children 1)
      Function space (children 1)
       ExpressionList (children 1)
        Identifier i32
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier defaults
