ruby - Rails create task or model to update the schema -

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i have list of tables(postgres database), , want create rake task or method not know 1 better change schema existing table.

i have done lot of googling , found multi schema used multi tenant applications, have 2 schema alone , use in db this

i have list of tables user profile projects , more, update schema while rake db:drop or rake db:migrate

example:

user , profile stays in public schema , task should create new schema "dashboard" , move project table dashboard.

how create task or method update schema while drop , migrate?


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