SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (alias t1) (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 1)
          ExpressionList (children 2)
           Literal UInt64_0 (alias k)
           Function toDateTime (alias v) (children 1)
            ExpressionList (children 2)
             Literal UInt64_0
             Literal \'UTC\'
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      Subquery (alias t2) (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 1)
          ExpressionList (children 2)
           Literal UInt64_0 (alias k)
           Function toDateTime (alias v) (children 1)
            ExpressionList (children 2)
             Literal UInt64_0
             Literal \'UTC\'
     TableJoin (children 1)
      ExpressionList (children 2)
       Identifier k
       Identifier v
