SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 10)
    Function plus (alias x) (children 1)
     ExpressionList (children 2)
      Function toDate (children 1)
       ExpressionList (children 1)
        Literal \'2018-12-25\'
      Identifier number
    Function toDateTime (alias x_t) (children 1)
     ExpressionList (children 1)
      Identifier x
    Function toISOWeek (alias w) (children 1)
     ExpressionList (children 1)
      Identifier x
    Function toISOWeek (alias wt) (children 1)
     ExpressionList (children 1)
      Identifier x_t
    Function toISOYear (alias y) (children 1)
     ExpressionList (children 1)
      Identifier x
    Function toISOYear (alias yt) (children 1)
     ExpressionList (children 1)
      Identifier x_t
    Function toStartOfISOYear (alias ys) (children 1)
     ExpressionList (children 1)
      Identifier x
    Function toStartOfISOYear (alias yst) (children 1)
     ExpressionList (children 1)
      Identifier x_t
    Function toDayOfYear (alias dy) (children 1)
     ExpressionList (children 1)
      Identifier x
    Function toDayOfYear (alias dyt) (children 1)
     ExpressionList (children 1)
      Identifier x_t
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.numbers
   Literal UInt64_10
