SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 2)
    Identifier p.begin
    Identifier e.value
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier probe0 (alias p)
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier events0 (alias e)
     TableJoin (children 1)
      Function greaterOrEquals (children 1)
       ExpressionList (children 2)
        Identifier p.begin
        Identifier e.begin
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier p.begin
