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Versions: 5
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Contents
module DataMapper
module Migrations
#integrated from http://github.com/edward/dm-simpledb/tree/master
module SimpledbAdapter
module ClassMethods
end
def self.included(other)
other.extend ClassMethods
DataMapper.extend(::DataMapper::Migrations::SingletonMethods)
[ :Repository, :Model ].each do |name|
::DataMapper.const_get(name).send(:include, Migrations.const_get(name))
end
end
# Returns whether the storage_name exists.
# @param storage_name<String> a String defining the name of a domain
# @return <Boolean> true if the storage exists
def storage_exists?(storage_name)
domains = sdb.list_domains[:domains]
domains.detect {|d| d == storage_name }!=nil
end
def create_model_storage(model)
sdb.create_domain(@sdb_options[:domain])
end
#On SimpleDB you probably don't want to destroy the whole domain
#if you are just adding fields it is automatically supported
#default to non destructive migrate, to destroy run
#rake db:automigrate destroy=true
def destroy_model_storage(model)
if ENV['destroy']!=nil && ENV['destroy']=='true'
sdb.delete_domain(@sdb_options[:domain])
end
end
end # module Migration
end # module Migration
end
Version data entries
5 entries across 5 versions & 1 rubygems