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activerecord-simple_index_name's Issues

Support optin

Now

if required , all index are shorten

New feature

  • choose default shorten mode
    • ON: not changed
    • OFF: default is not shorten, but can enable shorten index in specify migration

TODO

  • [config] auto_shorten #13
  • [migration] enable_shorten #12
  • [migration] disable_shorten #12

Support rename_table

Migrations

class CreateOldTable < ActiveRecord::CompatibleLegacyMigration.migration_class
  include ActiveRecord::SimpleIndexName::EnableShorten

  def change
    create_table :old_table do |t|
      t.string :anonymous_name, null: false
      t.timestamps null: false
    end
    add_index :old_table, :anonymous_name
  end
end
class RenameOldTableToNewTable < ActiveRecord::CompatibleLegacyMigration.migration_class
  def change
    rename_table :old_table, :new_table
  end
end

Error

  1) ActiveRecord::ConnectionAdapters::SchemaStatements#index_name_with_simple When auto_shorten is enabled When single column index
     Failure/Error: rename_table :old_table, :new_table

     StandardError:
       An error has occurred, this and all later migrations canceled:

       Index name 'anonymous_name' on table 'new_table' already exists
     # ./vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.5/lib/active_record/connection_adapters/abstract/schema_statements.rb:939:in `add_index_options'
     # ./vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.5/lib/active_record/connection_adapters/abstract/schema_statements.rb:556:in `add_index'
     # ./vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.5/lib/active_record/connection_adapters/abstract/schema_statements.rb:598:in `rename_index'
     # ./vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.5/lib/active_record/connection_adapters/abstract/schema_statements.rb:998:in `block in rename_table_indexes'
     # ./vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.5/lib/active_record/connection_adapters/abstract/schema_statements.rb:995:in `each'
     # ./vendor/bundle/ruby/2.3.0/gems/activerecord-4.2.5/lib/active_record/connection_adapters/abstract/schema_statements.rb:995:in `rename_table_indexes'

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