accessing shards from shard groups

[Jeff Rossi]

given the following pseudo config

octopus:

  environments:

    - development

  development:

    shards:

      new_api_shards:

        alpha:

          adapter: mysql2

          database: new_api_development

          username: root

          password: secret

          host: localhost

        beta:

          adapter: mysql2

          database: new_api_development_beta

          username: root

          password: secret

          host: localhost

      legacy_shards:

        alpha:

          adapter: mysql2

          database: legacy_development

          username: root

          password: secret

          host: localhost

        beta:

          adapter: mysql2

          database: legacy_development_beta

          username: root

          password: secret

          host: localhost

what using would I need to use in order to run queries on legacy_shards -> beta

[Thiago Pradi]

Hi Jeff,

To run queries on the legacy_shards -> beta, first, you need to change the name if your shard - you can't have duplicate shard names in different groups. Shard names must be unique.

To run the queries, you can simply use the following code: 

Octopus.using(:beta) do   

   User.create!(name: "Thiago") 

 end

Best Regards,

Thiago 

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[Jeff Rossi]

Thanks,

does the documentation indicate that shard names need to be unique? I don't recall, in the middle of an application rewrite.

[Thiago Pradi]

Hi Jeff,

I don't think so. I think it might be a good improvement to our README. Feel free to send a PR updating the docs - I'll review and merge it.

Thanks,

Thiago

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