SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 2)
    Function quantile (alias q5) (children 2)
     ExpressionList (children 1)
      Identifier x
     ExpressionList (children 1)
      Literal Float64_0.5
    Function quantiles (alias qs) (children 2)
     ExpressionList (children 1)
      Identifier x
     ExpressionList (children 11)
      Literal UInt64_0
      Literal Float64_0.1
      Literal Float64_0.2
      Literal Float64_0.3
      Literal Float64_0.4
      Literal Float64_0.5
      Literal Float64_0.6
      Literal Float64_0.7
      Literal Float64_0.8
      Literal Float64_0.9
      Literal UInt64_1
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 1)
          ExpressionList (children 1)
           Function arrayJoin (alias x) (children 1)
            ExpressionList (children 1)
             Literal Array_[UInt64_1, UInt64_1, UInt64_1, UInt64_10, UInt64_10, UInt64_10, UInt64_10, UInt64_100, UInt64_100, UInt64_100]
