did you check database compatibility setting that dot notation is enabled
> On Apr 2, 2020, at 6:14 PM, Matt Bollwitt via 4D_Tech <4d_tech@lists.4d.com>
> wrote:
>
> Hello –
>
> I’m running into a condition where USE ENTITY SELECTION is not working with
> an entity selection that is built with entitySeletion.add() command. I’m
> wondering if I’m using it correctly. I’m running 4Dv17r6. Here is a
> simplified version of what I’m trying to do:
>
> C_Object($sel;$sel_d;$sel_find)
> C_Date(vFindDate)
> vFindDate:=Date(ALERT("Enter date:"))
> $sel_d:=ds.People.query("Receive_Mail = :1";True) //all records to
> be compared
> $sel_find:=ds.People.newSelection() //empty entity
> For each ($item;$sel_d)
> $sel:=ds.Entries.query("People_ID = :1 order by Entry_Date
> desc";$item.LinkID)
> If ($sel.length#0) //anything found?
> If ($sel[0].Entry_Date<=vFindDate)
> //compare date of first entry
> $sel_find.add($item)
> End if
> End if
> End for each
> USE ENTITY SELECTION($sel_find)
>
> I can trace this and see that the $sel_find is a selection of entities from
> People. However, when I try to pull that entity selection back into a normal
> selection it does nothing. The selection of records in the People table is
> the same selection as it was before the method was ran.
>
> Can you use the entitySelection.add command to build the entity and then
> later use the USE ENTITY SELECTION command? I had this working using classic
> 4D commands and thought I’d convert it to ORDA. I’m wondering if I’m
> understanding the .add command correctly or if something else needs to be
> done with that object before I call the USE ENTITY SELECTION.
>
> Thanks!
>
> Matt Bollwitt
>
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