module ReversibilityChecker
Constants
- VERSION
Public Class Methods
current_version(config)
click to toggle source
# File lib/reversibility_checker.rb, line 21 def self.current_version(config) return ENV["CURRENT_VERSION"].to_i unless ENV["CURRENT_VERSION"].nil? ActiveRecord::Base.establish_connection(config) version = ActiveRecord::Migrator.current_version ActiveRecord::Base.remove_connection return version end
dump(config)
click to toggle source
# File lib/reversibility_checker.rb, line 8 def self.dump(config) case ActiveRecord::Base.schema_format when :ruby buffer = StringIO.new ActiveRecord::SchemaDumper.dump(ActiveRecord::Base.connection, buffer) buffer.string when :sql file = Tempfile.new ActiveRecord::Tasks::DatabaseTasks.structure_dump(config, file.path) file.read end end
target_versions(config, current_version)
click to toggle source
# File lib/reversibility_checker.rb, line 31 def self.target_versions(config, current_version) ActiveRecord::Base.establish_connection(config) migration_context = ActiveRecord::Base.connection.migration_context ActiveRecord::Base.remove_connection versions = ActiveRecord::Tasks::DatabaseTasks.migrations_paths.flat_map do |migrations_path| Dir["#{migrations_path}/*.rb"].map do |filepath| migration_context.parse_migration_filename(filepath).first.to_i end end versions.select { |version| version > current_version }.sort end