3 Commits

Author	SHA1	Message	Date
Gerhard Schlager	b945a2dc39	Call on_drop only when tables/columns are dropped	2018-03-27 13:18:13 +11:00
Gerhard Schlager	eebe1d8c56	Allow delayed dropping and renaming of tables	2018-03-21 12:05:12 +01:00
Sam	6a3c8fe69c	FEATURE: protect against accidental column or table drops ... Often we need to amend our schema, it is tempting to use drop_table, rename_column and drop_column to amned schema trouble though is that existing code that is running in production can depend on the existance of previous schema leading to application breaking until new code base is deployed. The commit enforces new rules to ensure we can never drop tables or columns in migrations and instead use Migration::ColumnDropper and Migration::TableDropper to defer drop the db objects	2018-03-21 15:43:32 +11:00