"Gustavo de Sá Carvalho Honorato" <gustavohonorato wrote in post 
#969077:
> On Fri, Dec 17, 2010 at 12:55 PM, Marnen Laibow-Koser
> <[email protected]>wrote:
>
>> "Gustavo de S Carvalho Honorato" <gustavohonorato wrote in post
>> #969047:
>> > Hello,
>> >
>> > What are the good practices to deploy an Rails database in production?
>> > It is
>> > said that is unsafe to run database migrations in a production database,
>>
>> That's ridiculous.  Where did you get that information?
>>
>
> Yes, I agree with you. It's very strange, but I saw this information in
> comments of generated schema.rb.

You're misinterpreting those comments.

>
> # This file is auto-generated from the current state of the database.
> Instead of editing this file,
> # please use the migrations feature of Active Record to incrementally
> modify
> your database, and
> # then regenerate this schema definition.

In other words, don't edit this file manually; let the schema dumper do 
it.

> #
> # Note that this schema.rb definition is the authoritative source for
> your
> database schema. If you need
> # to create the application database on another system,

Note: *create* the application DB, not *update* it.

> you should be
> using
> db:schema:load, not running
> # all the migrations from scratch.

Note: *from scratch*.  This only applies when you are creating the DB 
for the first time.

> The latter is a flawed and
> unsustainable
> approach (the more migrations
> # you'll amass, the slower it'll run and the greater likelihood for
> issues).

That is correct.

> #
> # It's strongly recommended to check this file into your version control
> system.

There is nothing here about not using migrations on the production 
database once it's been created.

Best,
--
Marnen Laibow-Koser
http://www.marnen.org
[email protected]

-- 
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