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
35000	Skip redundant defaults to allow INSTANT longtext (among others) column addition in MySQL	Tobias Krönke	Tobias Krönke	"MySQL 8+ is capable of adding new columns instantly just by editing the meta information. It automatically chooses the fasted algorithm for ALTER TABLE statements (https://dev.mysql.com/doc/refman/8.0/en/alter-table.html), so I was wondering if the migration SQL code generated by django actually makes use of this.

PR is here: https://github.com/django/django/pull/17539
Original comment with workaround: https://code.djangoproject.com/ticket/27676#comment:8"	Cleanup/optimization	closed	Migrations	4.2	Normal	fixed	mysql, migrations, performance		Ready for checkin	1	0	0	0	0	0