SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function quantilesExact (children 2)
     ExpressionList (children 1)
      Identifier x
     ExpressionList (children 20)
      Literal UInt64_1
      Literal Float64_0.001
      Literal Float64_0.01
      Literal Float64_0.05
      Literal Float64_0.9
      Literal Float64_0.2
      Literal Float64_0.3
      Literal Float64_0.6
      Literal Float64_0.5
      Literal Float64_0.4
      Literal Float64_0.7
      Literal Float64_0.8
      Literal Float64_0.1
      Literal Float64_0.95
      Literal Float64_0.99
      Literal Float64_0.999
      Literal UInt64_0
      Literal Float64_0.5
      Literal Float64_0.3
      Literal Float64_0.4
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 3)
          ExpressionList (children 1)
           Identifier number (alias x)
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier system.numbers
          Literal UInt64_1001