Subject: Re: [dabo-users] complex relationship : how to define Am 12.08.2011 11:05, schrieb Vineet Deodhar: > For simple relationships of bizobjs, I can handle the bizobj coding. > Now I have come across the a tricky relationship. > > A simplified version of tables is reproduced below--- > > 'model' : table contains info about car-models > fields : (mdlid, mdlcode, mdlname) > > 'extwarr' : table contains definitions about standard warranties. (a model > can have one or more extwr associated with it) > fields : (extwrid, extwrcode, extwrname) > > 'mdlwar' : glue table containing info about 'modelwise associated warranties' > fields : (mdlwrid, mdlid, extwrid) > > I have defined bizobjs for these 3. > 'mdlwr' has 2 parent tables& therefore 2 FK fields. > I got stuck while defining 'ParentLinkField' property. > mdlwarBizObj.ParentLinkField = ??!! > because there are 2 parent tables for 'mdlwar' child table& therefore 2 link > fields, how to define them? > I searched the docs of dBizObj to see whether I can pass there a list of > fields, but it accepts only 1 argument. There is an example for this in the PyCon 2010 tutorial: "Creating the Many:Many Relationship between Recipes and Categories". HTH Sibylle ======================= Thanks for your reply. I have already referred the pycon 2010 tutorial before posting my query. In that, self.DataStructure property is defined. But I fail to understand how, without using LinkField property, the relations to 2 parent tables is set in that. -------Vineet
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