bigdir/lib/tasks/extract_fixtures.rake

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2013-08-01 10:33:49 +08:00
desc 'Create YAML test fixtures from data in an existing database.
Defaults to development database. Set RAILS_ENV to override.'
task :extract_fixtures => :environment do
sql = "SELECT * FROM %s"
skip_tables = ["schema_info"]
ActiveRecord::Base.establish_connection
(ActiveRecord::Base.connection.tables - skip_tables).each do |table_name|
i = "000"
File.open("#{Rails.root}/#{table_name}.yml", 'w' ) do |file|
data = ActiveRecord::Base.connection.select_all(sql % table_name)
file.write data.inject({}) { |hash, record|
# cast extracted values
ActiveRecord::Base.connection.columns(table_name).each { |col|
record[col.name] = col.type_cast(record[col.name]) if record[col.name]
}
hash["#{table_name}_#{i.succ!}"] = record
hash
}.to_yaml
end
end
end