If I have two migrations, mig1 and mig2, I run rake db:migrate, then I go back to mig1 and change the default value of a column, will this change be reflected when I run rake db:migrate again? Or do I have to make a new migration just for that column to make the change?If I have two migrations, mig1 and mig2, I run
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Rails迁移 - 寻找旧迁移的变化？
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