SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 2)
    Function arrayElementOrNull (children 1)
     ExpressionList (children 2)
      Identifier m1
      Literal \'aaa\'
    Function arrayElementOrNull (children 1)
     ExpressionList (children 2)
      Identifier m2
      Literal \'aaa\'
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier t_map_03240
