http://code.google.com/appengine/docs/python/datastore/queriesandindexes.html#Kindless_Ancestor_Queries
a normal ancestor query uses an ancestor() "filter" for GQL have a look at its manual page 2010/10/6 Prashant <nextprash...@gmail.com>: > Hi djidjadji, > can you tell me, with an example, how to write a kind-less/normal ancestor > query? > thanks in advance :) > > On 6 October 2010 16:02, djidjadji <djidja...@gmail.com> wrote: >> >> No. >> >> You need to do a (kindless) ancestor query and delete all entities >> found before you delete the parent "Test". >> If you know the child is only of one type you can do a normal ancestor >> query. >> >> You could subclass the delete() method of the "Test" class to do this, >> but I don't know if it will work if you use >> >> db.delete( <list of keys or instances> ) >> >> 2010/10/6 Prashant <nextprash...@gmail.com>: >> > Hi, >> > Suppose, I have two types of Entities "Test" and "TestChild". For all >> > TestChild entities i have set key as child of some Test entity (because >> > i >> > want both entities in same entity group to support transaction) but i >> > haven't mapped TestChild entity to any variable in Test entity. >> > Now, i am wondering if there is any way, such that, if i delete Test >> > entity >> > then all corresponding child TestChild entitie(s) should also get >> > deleted ? >> > -- >> > Prashant >> > www.claymus.com >> > >> > -- >> > You received this message because you are subscribed to the Google >> > Groups >> > "Google App Engine" group. >> > To post to this group, send email to google-appeng...@googlegroups.com. >> > To unsubscribe from this group, send email to >> > google-appengine+unsubscr...@googlegroups.com. >> > For more options, visit this group at >> > http://groups.google.com/group/google-appengine?hl=en. >> > >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Google App Engine" group. >> To post to this group, send email to google-appeng...@googlegroups.com. >> To unsubscribe from this group, send email to >> google-appengine+unsubscr...@googlegroups.com. >> For more options, visit this group at >> http://groups.google.com/group/google-appengine?hl=en. >> > > > > -- > Prashant > www.claymus.com > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine" group. > To post to this group, send email to google-appeng...@googlegroups.com. > To unsubscribe from this group, send email to > google-appengine+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/google-appengine?hl=en. > -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to google-appeng...@googlegroups.com. To unsubscribe from this group, send email to google-appengine+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.
