Also I have added connected_to() inside action but I did not get the
desired result from r6_multidb_development_copy, may be I am missing
something.
def index
ActiveRecord::Base.connected_to(role: :reading) do
@articles = Article.all
end
end
On Wednesday, April 24, 2019 at 6:00:07 PM UTC+5:45, eileencodes wrote:
>
> Ok after reading this over a few times I've realized that you wrote broken
> code on purpose to prove the switching was working.
>
> Did you turn on the middleware that will automatically swap based on HTTP
> verb? If you didn't your POST/GET requests won't switch connections
> automatically.
>
> If you're in a model/controller/test you need to wrap it in a
> `connected_to` block like this
>
> ```
> ActiveRecord::Base.connected_to(role: :reading) do
> # read from your replica
> end
> ```
>
> Rails can't know if your replica is up to date so we didn't implement
> always select from the replica, you have to tell it you want that.
>
> On Wednesday, April 24, 2019 at 8:04:45 AM UTC-4, eileencodes wrote:
>>
>> Hey!
>>
>> I've implemented multiple databases in Rails 6, but I didn't implement
>> multiple *writers*. Rails doesn't know what your replica configuration
>> is going to be like so for purposes of local development you should use the
>> same database name for your primary and replica, and then have different
>> user names. In production you should also use the same name (they are the
>> same data you're accessing) with different usernames (one set to readonly)
>> but they shouldn't be in the same place.
>>
>> Hope that helps,
>> Eileen
>>
>>>
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