SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 1)
    Function plus (children 1)
     ExpressionList (children 2)
      Identifier x
      Literal UInt64_1
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier tab
   Function lessOrEquals (children 1)
    ExpressionList (children 2)
     Function plus (children 1)
      ExpressionList (children 2)
       Identifier x
       Function CAST (children 1)
        ExpressionList (children 2)
         Literal \'1\'
         Literal \'LowCardinality(UInt8)\'
     Function plus (children 1)
      ExpressionList (children 2)
       Function toDateTime (children 1)
        ExpressionList (children 1)
         Literal \'2022-02-02\'
       Literal UInt64_2
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier x
