[migration] add rollback when replace_eid_sequence_with_eid_numrange fails
If we get here, the current transaction is aborted, so if we are to
assume everything is fine and continue we need to rollback first.
.. -*- coding: utf-8 -*-
.. _Part1:
--------------------------
Introduction to *CubicWeb*
--------------------------
This first part of the book offers different reading path to
discover the *CubicWeb* framework, provides a tutorial to get a quick
overview of its features and lists its key concepts.
.. toctree::
:maxdepth: 2
:numbered:
history
concepts.rst