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Ran 17 Sep 2016 09:08AM UTC

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Committed 17 Sep 2016 08:57AM UTC coverage: 86.06% (-0.05%) from 86.113%

Job # DJANGO_VERSION=1.8.12 TEST_DB_ENGINE=psql

Build Type

push

travis-ci

Committed by

vi4m

Commit Message

Fix MySQL 5.5 column renaming (#2800)

* Fix MySQL 5.5 column renaming

Rename field with dropping any FK pointing to it before actual renaming
and recreating them after renaming.

It's especially usefull for MySQL 5.5, where renaming field that is
referenced by another table is not supported (errno 150). The workaround
here is to drop FK first, then rename field, and then recreate FK. It's
supported fully since MySQL 5.6.6.

Resources:
* https://code.djangoproject.com/ticket/24995
* https://github.com/django/django/pull/4881
* http://dev.mysql.com/doc/refman/5.5/en/create-table-foreign-keys.html
* http://stackoverflow.com/questions/2014498/renaming-foreign-key-columns-in-mysql

This PR fixes #2799 and #2769

* wi[

* wip

* wip

* wip

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