class SequelRails::Migrations
Public Class Methods
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# File lib/sequel_rails/migrations.rb, line 66 def available_migrations? File.exist?(migrations_dir) && Dir[File.join(migrations_dir, '*')].any? end
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# File lib/sequel_rails/migrations.rb, line 42 def current_migration return unless available_migrations? migrator = init_migrator if migrator.respond_to?(:applied_migrations) migrator.applied_migrations.last elsif migrator.respond_to?(:current_version) migrator.current_version end end
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# File lib/sequel_rails/migrations.rb, line 26 def dump_schema_information(opts = {}) sql = opts.fetch :sql adapter = SequelRails::Storage.adapter_for(Rails.env) res = '' if available_migrations? migrator = init_migrator res << adapter.schema_information_dump(migrator, sql) end res end
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# File lib/sequel_rails/migrations.rb, line 70 def init_migrator migrator_class = ::Sequel::Migrator.send(:migrator_class, migrations_dir) migrator_class.new( ::Sequel::Model.db, migrations_dir, allow_missing_migration_files: !!SequelRails.configuration.allow_missing_migration_files ) end
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# File lib/sequel_rails/migrations.rb, line 6 def migrate(version = nil) opts = {} opts[:target] = version.to_i if version opts[:allow_missing_migration_files] = !!SequelRails.configuration.allow_missing_migration_files if migrations_dir.directory? ::Sequel::Migrator.run(::Sequel::Model.db, migrations_dir, opts) else relative_path_name = migrations_dir.relative_path_from(Rails.root).to_s raise "The #{relative_path_name} directory doesn't exist, you need to create it." end end
Also aliased as: migrate_up!, migrate_down!
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# File lib/sequel_rails/migrations.rb, line 38 def migrations_dir Rails.root.join('db/migrate') end
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# File lib/sequel_rails/migrations.rb, line 21 def pending_migrations? return false unless available_migrations? !::Sequel::Migrator.is_current?(::Sequel::Model.db, migrations_dir) end
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# File lib/sequel_rails/migrations.rb, line 54 def previous_migration return unless available_migrations? migrator = init_migrator if migrator.respond_to?(:applied_migrations) migrator.applied_migrations[-2] || '0' elsif migrator.respond_to?(:current_version) migrator.current_version - 1 end end