Story #6024

Updated by gmbnomis over 4 years ago

h1. Motivation 

 Plugins need to iterate over the content in a repository version to create a publication.    Pulp 
 should offer a batching iterator over content in order to limit the memory footprint and to allow 
 efficient use of content batches in DB operations. 

 h1. Solution 

 We could make @batch_qs()@ available to plugin writers. But this generator is hard to use correctly because of the ordering requirement (even in pulpcore it has not been used correctly). 

 Instead, add a generator to @RepositoryVersion@, which does "the right thing" by default and is customizable by plugin writers if necessary. 

 For an example use case, see