SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 2)
    Identifier level
    Function count (alias c) (children 1)
     ExpressionList
   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 user_id
           Function windowFunnel (alias level) (children 2)
            ExpressionList (children 4)
             Identifier timestamp
             Function equals (children 1)
              ExpressionList (children 2)
               Identifier eventID
               Literal UInt64_1004
             Function equals (children 1)
              ExpressionList (children 2)
               Identifier eventID
               Literal UInt64_1003
             Function equals (children 1)
              ExpressionList (children 2)
               Identifier eventID
               Literal UInt64_1002
            ExpressionList (children 1)
             Literal UInt64_6048000000000000
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier trend
          ExpressionList (children 1)
           Identifier user_id
   ExpressionList (children 1)
    Identifier level
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier level
