HBASE-5525 Truncate and preserve region boundaries option, addendum

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1464425 13f79535-47bb-0310-9956-ffa450edef68

hbase-server/src/main/ruby/shell/commands/truncate_preserve.rb

@@ -0,0 +1,38 @@
+#
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+module Shell
+  module Commands
+    class TruncatePreserve < Command
+      def help
+        return <<-EOF
+  Disables, drops and recreates the specified table while still maintaing the previous region boundaries.
+EOF
+      end
+
+      def command(table)
+        format_simple_command do
+          puts "Truncating '#{table}' table (it may take a while):"
+          admin.truncate_preserve(table) { |log| puts " - #{log}" }
+        end
+      end
+
+    end
+  end
+end