The first suggestion sounds interesting can you expand? Is the counter table pre populated how do I do GetNextID method? I'll try and dig up the demo.
Dan on 5/21/02 1:28 PM, Steve Smith at [EMAIL PROTECTED] wrote: > Two suggestions. First, why not go with a counter table and use the > GetNextID method that was included in the TCF for the storefront demo. It > retrieves the next id which you can then use in your insert for the course > table AND for the course_crosslink table. It will guarentee that you have > the right value in both. > > The other suggestion if you are determined to not use a counter table is to > use the same values for the insert in your search rather than searching for > max course_ID. You run a far less chance of obtaining the wrong course_ID if > use the exact same <@ARG xxx> values for the search criteria that were used > in the insert action. > > Hope this helps, > > Steve Smith > > Skadt Information Solutions > Office: (519) 624-4388 > GTA: (416) 606-3885 > Fax: (519) 624-3353 > Cell: (416) 606-3885 > Email: [EMAIL PROTECTED] > Web: http://www.skadt.com > > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED]]On Behalf Of Dan Stein > Sent: May 21, 2002 11:58 AM > To: Multiple recipients of list witango-talk > Subject: Witango-Talk: Next WiTango_SQL conundrum > > > OK I have fixed everything else data is where it needs to be and everyone > was a big help. > > Here is my next issue. > > When I create a course with create_course.taf after the insert there is a > DBMS that gets Max course_ID and set's it to a local variable. > > That is because I need to know what the course_ID that was assigned by SQL > to the inserted course. I then use this to insert into the course_crosslink > table the course_ID and some other values. > > It looks like sometimes it failed to set the correct course ID I guess there > was some fast enough data entry going on from more than one person so the > Max did not get the right number. At least it is the only thing I can think > of that would cause the missing course_ID's in course_crosslink. Since the > insert action comes right the DBMS I can see how it could fail without an > error message to the user which I think I would have heard about. > > I know there is some way to lock the table or someway to make sure I > retrieve the correct value but I don't know how to write it in WiTango or as > a DBMS. > > > > -- > Dan Stein > Digital Software Solutions > 799 Evergreen Circle > Telford PA 18969 > 215-799-0192 > 610-256-2843 > Fax 413-410-9682 > FMP,Tango, EDI,SQL 7 > [EMAIL PROTECTED] > www.dss-db.com > > > ________________________________________________________________________ > TO UNSUBSCRIBE: send a plain text/US ASCII email to [EMAIL PROTECTED] > with unsubscribe witango-talk in the message body > > ________________________________________________________________________ > TO UNSUBSCRIBE: send a plain text/US ASCII email to [EMAIL PROTECTED] > with unsubscribe witango-talk in the message body > -- Dan Stein Digital Software Solutions 799 Evergreen Circle Telford PA 18969 215-799-0192 610-256-2843 Fax 413-410-9682 FMP,Tango, EDI,SQL 7 [EMAIL PROTECTED] www.dss-db.com ________________________________________________________________________ TO UNSUBSCRIBE: send a plain text/US ASCII email to [EMAIL PROTECTED] with unsubscribe witango-talk in the message body
