SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 2)
    Function divide (alias x) (children 1)
     ExpressionList (children 2)
      Function toDecimal64 (children 1)
       ExpressionList (children 2)
        Identifier number
        Literal UInt64_5
      Literal UInt64_100
    Function roundDown (children 1)
     ExpressionList (children 2)
      Identifier x
      Function array (children 1)
       ExpressionList (children 3)
        Function toDecimal64 (children 1)
         ExpressionList (children 2)
          Literal Float64_0.04
          Literal UInt64_5
        Function toDecimal64 (children 1)
         ExpressionList (children 2)
          Literal Float64_0.05
          Literal UInt64_5
        Function toDecimal64 (children 1)
         ExpressionList (children 2)
          Literal Float64_0.06
          Literal UInt64_5
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.numbers
   Literal UInt64_10