SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 2)
    Function quantileTiming (children 2)
     ExpressionList (children 1)
      Identifier t
     ExpressionList (children 1)
      Literal Float64_0.5
    Function quantileTimingWeighted (children 2)
     ExpressionList (children 2)
      Identifier t
      Identifier w
     ExpressionList (children 1)
      Literal Float64_0.5
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 3)
          ExpressionList (children 2)
           Identifier number (alias t)
           Function if (alias w) (children 1)
            ExpressionList (children 3)
             Function equals (children 1)
              ExpressionList (children 2)
               Identifier number
               Literal UInt64_77
             Literal UInt64_10
             Literal UInt64_0
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier system.numbers
          Literal UInt64_100