Thanks Tim, it appears to have been one or more damaged indices
Cihp On Tue, 02 Oct 2018 16:00:36 -0500, Tim Nevels via 4D_Tech wrote: > On Oct 2, 2018, at 2:00 PM, Chip Scheide wrote: > >> given this table configuration >> >> Animal <------ Animal_Sample_Link -------> Samples >> >> if there is at least 1 [Sample_Animal_Link] record shouldn't the >> following code load the animal record(s)? >> >> QUERY([Sample_Animal_Link];[Sample_Animal_Link]Sample_ID=[Samples]Sample_ID) >> RELATE ONE SELECTION([Sample_Animal_Link];[Animal]) >> >> I ask because it is not, even after a restart of 4D > > Four thoughts came to mind: > > 1. index damage so the query or relation is failing > > 2. Could there be other relations that 4D could go through to get > from Sample_Animal_Link to Animal? Maybe 4D picked another set of > relations to follow to get from here to there. Result is wrong > selection of records. > > 3. Are you running this code from a button or a menu item while a > MODIFY SELECTION or DISPLAY SELECTION is running? Sometimes 4D will > not do certain relational things because it can “break” the MODIFY > SELECTION or DISPLAY SELECTION if any of the tables in question are > involved. > > 4. If you do a QUERY or QUERY WITH ARRAY instead of a RELATE ONE > SELECTION, do you get the expected selection of records? If so then > see #2 or #3 above. > > Tim > > ***************************************** > Tim Nevels > Innovative Solutions > 785-749-3444 > timnev...@mac.com > ***************************************** > > ********************************************************************** > 4D Internet Users Group (4D iNUG) > Archive: http://lists.4d.com/archives.html > Options: https://lists.4d.com/mailman/options/4d_tech > Unsub: mailto:4d_tech-unsubscr...@lists.4d.com > ********************************************************************** --------------- Gas is for washing parts Alcohol is for drinkin' Nitromethane is for racing ********************************************************************** 4D Internet Users Group (4D iNUG) Archive: http://lists.4d.com/archives.html Options: https://lists.4d.com/mailman/options/4d_tech Unsub: mailto:4d_tech-unsubscr...@lists.4d.com **********************************************************************
