On Mar 14, 2013 1:58 AM, "avinash behera" <[email protected]> wrote:
>
> So, my requirement is :-
>
> I have an Image table & a related_image table.
> image has_many related_images.
> & related_images belongs to many images.
> Those images in both the tables are in sequence(we can change the
sequence- That will be a problem in case of belongs to many images).
>
> So, this seems to be a better option to save images as id.
> In s3, I am saving both the images(images & related_images) in one folder
as <id>.png or <id>.jpg
>
> After saving into s3, there are some other process to do like creating
.plist file from the json objects & others. Here I require those data from
s3.
>
> I was getting an interesting issue with heroku.
> I was doing a db:reset & set the default id to start with 1000 & 10000
respectively.
> It was working for the first time. If I do again a db:reset it goes. It
starts from 1.
>
> I fixed it by adding migration file with :-
> def change
>     execute "SELECT setval('images_id_seq', 1000)"
>   end
> def change
>     execute "SELECT setval('related_images_id_seq', 10000)"
>   end
>
> & on console by :- heroku pg:reset DATABASE --confirm MY_APP_NAME
>
> So, now every time I reset, I need to run the migration & it works.
>
>
> On Wed, Mar 13, 2013 at 2:16 AM, tamouse mailing lists <
[email protected]> wrote:
>>
>> On Tue, Mar 12, 2013 at 7:58 AM, avinash behera
>> <[email protected]> wrote:
>> > The main reason I am doing this is :-
>> > I am uploading some images to s3 amazon.
>> > I am saving those images in s3 through rake script.
>> > I have two tables having images.
>> > Both are saving in one folder in s3.
>>
>> Do you mean they are being saved to the same bucket? Or do you mean a
>> path under the bucket? S3 has it's own very unique method of storage.
>> But you can easily store things in the same bucket, but specify a
>> path-like prefix:
>>
>> s3://mybucket/table1/image-n.jpg
>> s3://mybucket/table2/image-n.jpg
>>
>> table1 and table2 aren't really folders in S3, but they're good enough
>> emulation to consider that for most uses.
>>
>> > I want to save those based on ids, so that there will not be any
conflict.
>>
>> As stated, don't rely on the record ID in your database. Create a
>> unique id for each image if you'd like, and use that to tag it, if
>> that's how you want to go.
>>
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>
>
>
> --
> Thanks,
> Avinash
>
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>

Are images also capable of being related images? And vice versa?

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