SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Identifier x
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 2)
         SelectQuery (children 1)
          ExpressionList (children 1)
           Function toDecimal32 (alias x) (children 1)
            ExpressionList (children 2)
             Literal \'12345.00\'
             Literal UInt64_4
         SelectQuery (children 1)
          ExpressionList (children 1)
           Function toUInt64 (alias x) (children 1)
            ExpressionList (children 1)
             Literal UInt64_0
   Function equals (children 1)
    ExpressionList (children 2)
     Identifier x
     Literal UInt64_0
