SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function transform (children 1)
     ExpressionList (children 4)
      Literal NULL
      Literal Array_[NULL, NULL, NULL]
      Literal Array_[NULL, NULL, NULL]
      Literal NULL
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.numbers
   Literal UInt64_10
