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
31987	Cast() crashes with DurationField on MySQL.	Petr Čermák	Petr Čermák	"It is not possible to use:
{{{
django.db.models.functions.Cast(x, output_field=DurationField())
}}}
because it generated `CAST(xxx AS bigint)` which is not valid MySQL syntax."	Bug	closed	Database layer (models, ORM)	3.1	Normal	fixed	mysql		Ready for checkin	1	0	0	0	0	0