5 commits

Author	SHA1	Message	Date
Valery Sizov	cf9d9d865d	[Migration guide] Add note about prefering change_column_null over change_column	2017-05-18 11:35:59 +03:00
Yorick Peterse	223d8a3d26	Prepare for zero downtime migrations ... Starting with GitLab 9.1.0 we will no longer allow downtime migrations unless absolutely necessary. This commit updates the various developer guides and adds code that is necessary to make zero downtime migrations less painful.	2017-04-12 18:15:19 +02:00
Nick Thomas	630eb119cb	Renaming columns requires downtime	2016-11-07 10:57:08 +00:00
Yorick Peterse	ee451ea573	Mention add_column_with_default in downtime guide ... [ci skip]	2016-08-10 11:09:53 +02:00
Yorick Peterse	c462dcec4d	Added guide about migrations and downtime ... This guide describes various commonly used operations and the impact they have on the availability of a GitLab instance.	2016-08-04 17:25:31 +02:00