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
30204	Allow declaring pre and post migration SQL on a model's Meta class	Nikolas	nobody	"in some cases need feature for do some SQL prior and after migration

for example:

{{{
class Meta():
   migrations.SQLBefore('truncate table logs')
   migrations.SQLAfter('insert into table logs(""name"") values (""initial"")')
}}}
expect in migrate 

{{{
RunSQL(''truncate table logs'')
.
.
.
# there what do in migrate
.
.
.
RunSQL(''insert into table logs(""name"") values (""initial"")')
}}}

this feature very help when need some not implemented feature for example constrains or rules, or for easy create datatabse views"	New feature	closed	Database layer (models, ORM)	2.1	Normal	wontfix			Unreviewed	0	0	0	0	0	0