Extract Oracle database tasks.

2 files changed, 50 insertions, 5 deletions

diff --git a/activerecord/lib/active_record/tasks/database_tasks.rb b/activerecord/lib/active_record/tasks/database_tasks.rb
index aaa4cf2a56..36133bab4c 100644
--- a/activerecord/lib/active_record/tasks/database_tasks.rb
+++ b/activerecord/lib/active_record/tasks/database_tasks.rb
@@ -15,12 +15,13 @@ module ActiveRecord
         @tasks[pattern] = task
       end
 
-      register_task(/mysql/, ActiveRecord::Tasks::MySQLDatabaseTasks)
-      register_task(/postgresql/, ActiveRecord::Tasks::PostgreSQLDatabaseTasks)
-      register_task(/sqlite/, ActiveRecord::Tasks::SQLiteDatabaseTasks)
+      register_task(/mysql/,        ActiveRecord::Tasks::MySQLDatabaseTasks)
+      register_task(/postgresql/,   ActiveRecord::Tasks::PostgreSQLDatabaseTasks)
+      register_task(/sqlite/,       ActiveRecord::Tasks::SQLiteDatabaseTasks)
 
-      register_task(/firebird/,  ActiveRecord::Tasks::FirebirdDatabaseTasks)
-      register_task(/sqlserver/, ActiveRecord::Tasks::SqlserverDatabaseTasks)
+      register_task(/firebird/,     ActiveRecord::Tasks::FirebirdDatabaseTasks)
+      register_task(/sqlserver/,    ActiveRecord::Tasks::SqlserverDatabaseTasks)
+      register_task(/(oci|oracle)/, ActiveRecord::Tasks::OracleDatabaseTasks)
 
       def current_config(options = {})
         options.reverse_merge! :env => Rails.env
diff --git a/activerecord/lib/active_record/tasks/oracle_database_tasks.rb b/activerecord/lib/active_record/tasks/oracle_database_tasks.rb
new file mode 100644
index 0000000000..780fc1fd99
--- /dev/null
+++ b/activerecord/lib/active_record/tasks/oracle_database_tasks.rb
@@ -0,0 +1,44 @@
+module ActiveRecord
+  module Tasks # :nodoc:
+    class OracleDatabaseTasks # :nodoc:
+      delegate :connection, :establish_connection, to: ActiveRecord::Base
+
+      def initialize(configuration)
+        @configuration = configuration
+      end
+
+      def create
+        $stderr.puts 'sorry, your database adapter is not supported yet, feel free to submit a patch'
+      end
+
+      def drop
+        $stderr.puts 'sorry, your database adapter is not supported yet, feel free to submit a patch'
+      end
+
+      def purge
+        establish_connection(:test)
+        connection.structure_drop.split(";\n\n").each { |ddl| connection.execute(ddl) }
+      end
+
+      def charset
+        $stderr.puts 'sorry, your database adapter is not supported yet, feel free to submit a patch'
+      end
+
+      def structure_dump(filename)
+        establish_connection(configuration)
+        File.open(filename, "w:utf-8") { |f| f << connection.structure_dump }
+      end
+
+      def structure_load(filename)
+        establish_connection(configuration)
+        IO.read(filename).split(";\n\n").each { |ddl| connection.execute(ddl) }
+      end
+
+      private
+
+      def configuration
+        @configuration
+      end
+    end
+  end
+end