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authorYoshiyuki Kinjo <yskkin@gmail.com>2019-04-14 20:31:05 +0900
committerYoshiyuki Kinjo <yskkin@gmail.com>2019-04-15 08:43:22 +0900
commit1fe71ebd0486299de36d4ed551d38043ce8a419b (patch)
treee66671f96118a323e0efc0111fef263821f3dfdc /guides/rails_guides
parent3e66ba91d511158e22f90ff96b594d61f40eda01 (diff)
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make change_column_comment and change_table_comment invertible
We can revert migrations using `change_column_comment` or `change_table_comment` at current master. However, results are not what we expect: comments are remained in new status. This change tells previous comment to these methods in a way like `change_column_default`.
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