SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function quantilesExactWeightedInterpolatedMerge (children 2)
     ExpressionList (children 1)
      Identifier x
     ExpressionList (children 4)
      Literal Float64_0.2
      Literal Float64_0.4
      Literal Float64_0.6
      Literal Float64_0.8
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 2)
          ExpressionList (children 1)
           Function quantilesExactWeightedInterpolatedState (alias x) (children 2)
            ExpressionList (children 2)
             Function plus (children 1)
              ExpressionList (children 2)
               Identifier number
               Literal UInt64_1
             Literal UInt64_1
            ExpressionList (children 4)
             Literal Float64_0.2
             Literal Float64_0.4
             Literal Float64_0.6
             Literal Float64_0.8
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             Function numbers (children 1)
              ExpressionList (children 1)
               Literal UInt64_49999
