1 files changed, 55 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb b/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb
new file mode 100644
index 0000000000..da01058a82
--- /dev/null
+++ b/activerecord/lib/active_record/tasks/sqlite_database_tasks.rb
@@ -0,0 +1,55 @@
+module ActiveRecord
+  module Tasks # :nodoc:
+    class SQLiteDatabaseTasks # :nodoc:
+
+      delegate :connection, :establish_connection, to: ActiveRecord::Base
+
+      def initialize(configuration, root = Rails.root)
+        @configuration, @root = configuration, root
+      end
+
+      def create
+        if File.exist?(configuration['database'])
+          $stderr.puts "#{configuration['database']} already exists"
+          return
+        end
+
+        establish_connection configuration
+        connection
+      end
+
+      def drop
+        require 'pathname'
+        path = Pathname.new configuration['database']
+        file = path.absolute? ? path.to_s : File.join(root, path)
+
+        FileUtils.rm(file) if File.exist?(file)
+      end
+      alias :purge :drop
+
+      def charset
+        connection.encoding
+      end
+
+      def structure_dump(filename)
+        dbfile = configuration['database']
+        `sqlite3 #{dbfile} .schema > #{filename}`
+      end
+
+      def structure_load(filename)
+        dbfile = configuration['database']
+        `sqlite3 #{dbfile} < "#{filename}"`
+      end
+
+      private
+
+      def configuration
+        @configuration
+      end
+
+      def root
+        @root
+      end
+    end
+  end
+end