id	summary	reporter	owner	description	type	status	component	version	severity	resolution	keywords	cc	stage	has_patch	needs_docs	needs_tests	needs_better_patch	easy	ui_ux
23920	MySQL: migrate TextField() to TextField(blank=True) fails	Waldemar Kornewald	Tim Graham	"When adding blank=True to an existing TextField and running manage.py makemigrations and manage.py migrate with MySQL I get the following error:

BLOB/TEXT column 'sometextfield' can't have a default value

BTW, why do changes to blank require new migrations?"	Bug	closed	Migrations	1.7	Release blocker	fixed		info+coding@…	Ready for checkin	1	0	0	0	0	0