SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 1)
    Function min (children 1)
     ExpressionList (children 1)
      Identifier number
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.numbers
   Function in (children 1)
    ExpressionList (children 2)
     Function toUInt64 (children 1)
      ExpressionList (children 1)
       Function modulo (children 1)
        ExpressionList (children 2)
         Identifier number
         Literal UInt64_1000
     Subquery (children 1)
      SelectWithUnionQuery (children 1)
       ExpressionList (children 1)
        SelectQuery (children 3)
         ExpressionList (children 1)
          Function blockSize (children 1)
           ExpressionList
         TablesInSelectQuery (children 1)
          TablesInSelectQueryElement (children 1)
           TableExpression (children 1)
            TableIdentifier system.numbers
         Set
   Set