SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function count (children 1)
     ExpressionList
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier t_map_lc
   Function not (children 1)
    ExpressionList (children 1)
     Function ignore (children 1)
      ExpressionList (children 2)
       Asterisk
       Function mapKeys (children 1)
        ExpressionList (children 1)
         Identifier t.m
