Module: Migration

Defined in:
lib/jungle_path/migration/migration.rb

Class Method Summary collapse

Class Method Details

.run(schema_module, db, version = nil) ⇒ Object 



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# File 'lib/jungle_path/migration/migration.rb', line 6

def self.run schema_module, db, version=nil
  Sequel.extension :migration

  db.base.loggers << Logger.new($stdout)
  db.base.identifier_input_method = :downcase
  version = schema_module.version unless version
  path = schema_module.migrations_path
  display_version = version || "'latest available'"

  puts "Migrating database to version: #{display_version} on #{db.config.host}.#{db.config.name}:#{db.config.port}."
  puts "Using migration files at: #{path}"

  if JunglePath::DBAccess::Meta::DB.exists? db.config # todo: fix for sql server!
    # migrate to current or passed version.
    if version
      Sequel::Migrator.run(db.base, path, target: version)
    else
      Sequel::Migrator.run(db.base, path)
    end
  else
    # create from scratch and set the version in the new db.
    puts "Database does not exist, run zcreatedb.rb and then zbootstrapdata.rb..."
    puts "Write some code to create the schema_info table with integer column version and set the version! This table should always have only one row."
  end
end