[multi-sources-removal] Drop entities.source column Since we remove federated multi-sources support, the same value ('system') is always stored in this column and so could be removed. Also, cleanup repository caches and a few api where the very same useless information could be removed. Closes #2919300, at last [jcr: restore sanity check of etype against schema in checkintegrity.has_eid]

     1

Schema of the data

     2

------------------

     3

     4

First take a look at the data schema_ then try to remember that you are browsing

     5

through a heap of data by applying stylesheets to the results of queries. This

     6

site is not a content management system with items placed in folders. It is an

     7

interface to a database which applies a view to retreived data.

     8

     9

.. _schema: schema