Thanks! On Tue, 8 Jan 2019 15:27:34 -0600, Keith Culotta via 4D_Tech wrote: > Would these help? > > https://doc.4d.com/4Dv17/4D/17/GET-RELATION-PROPERTIES.301-3729513.en.html only works from the child table. from documentation: >> returns the properties of the relation (if any) which starts from the source field defined by tableNum and fieldNum or by fieldPtr
all of the below apply only to v17... > <https://doc.4d.com/4Dv17/4D/17/GET-RELATION-PROPERTIES.301-3729513.en.html> > https://doc.4d.com/4Dv17/4D/17/dataClassAttributerelatedDataClass.303-3884018.en.html > <https://doc.4d.com/4Dv17/4D/17/dataClassAttributerelatedDataClass.303-3884018.en.html> > > > Keith - CDI > >> On Jan 8, 2019, at 2:47 PM, Chip Scheide via 4D_Tech >> <4d_tech@lists.4d.com> wrote: >> >> given a pointer to a table, or a pointer to a field of a table, >> I want to be able, for the current record of this table, to : >> - iterate over all the fields of the table - I know how to do this >> -- determine if the current field has 1 or more relations - I do not >> know how to do this >> --- if there are 1 or more relations, I want 'follow' each relation to >> determine if there exists 1 or more related records at the other end of >> the relation - I am not sure I know how to do this >> >> what I want looks something like this >> >> $Table_Num:=table->([table]) >> $Field_Count:=get last field number([table]) >> >> For ($i; 1; $Field_Count) >> >> if (field number valid($Table_Num; $i)) >> // get field relational information >> >> // if (relations) >> >> // For ($Realation_count) >> // check related table for records >> >> // if (related records exist) >> $Dependencies := True >> >> // exit loops >> >> Thanks >> Chip >> --------------- >> 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 >> ********************************************************************** > > ********************************************************************** > 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 **********************************************************************
