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
33671	Migrations crashes when adding/altering collations on indexed columns on Oracle.	Mariusz Felisiak	Mahesh Gupta	"Migrations crashes when adding/altering collations on indexed columns on Oracle:
{{{
ORA-43923: The column cannot be modified to the specified collation.
}}}

Primary keys are handled in [https://github.com/django/django/pull/15642 PR]. Fields with indexes defined via `db_index=True`, `Meta.indexes`, `Meta.constraints`, and `unique=True` are still affected.
"	Bug	assigned	Migrations	4.0	Normal		oracle collation		Accepted	1	0	0	1	0	0