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
34534	Migration operation optimisations	David Sanders	nobody	"From https://github.com/django/django/pull/16819#issuecomment-1529913703

 - RenameIndex can be reduced into CreateIndex
 - DropConstraint can be reduced into CreateConstraint
 - A question was raised whether constraints could be reduced into create model though some databases do not support deferrable constraints (eg MySQL)
 - It's worth going over the operations to see if there are any other potential reductions to add"	Cleanup/optimization	new	Database layer (models, ORM)	dev	Normal				Unreviewed	0	0	0	0	1	0