1 files changed, 71 insertions, 0 deletions
diff --git a/trunk/etherpad/src/etherpad/db_migrations/m0010_pad_sqlmeta.js b/trunk/etherpad/src/etherpad/db_migrations/m0010_pad_sqlmeta.js
new file mode 100644
index 0000000..36150b1
--- /dev/null
+++ b/trunk/etherpad/src/etherpad/db_migrations/m0010_pad_sqlmeta.js
@@ -0,0 +1,71 @@
+/**
+ * Copyright 2009 Google Inc.
+ * 
+ * Licensed 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.
+ */
+
+import("sqlbase.sqlbase");
+import("sqlbase.sqlobj");
+import("sqlbase.sqlcommon");
+import("etherpad.utils.startConsoleProgressBar");
+
+
+function run() {
+
+  sqlobj.dropAndCreateTable('PAD_SQLMETA', {
+    id: 'VARCHAR(128) PRIMARY KEY NOT NULL',
+    version: 'INT NOT NULL',
+    creationTime: sqlobj.getDateColspec('NOT NULL'),
+    lastWriteTime: sqlobj.getDateColspec('NOT NULL'),
+    headRev: 'INT NOT NULL'
+  });
+
+  sqlobj.createIndex('PAD_SQLMETA', ['version']);
+
+  var allPadIds = sqlbase.getAllJSONKeys("PAD_META");
+
+  // If this is a new database, there are no pads; else
+  // it is an old database with version 1 pads.
+  if (allPadIds.length == 0) {
+    return;
+  }
+
+  var numPadsTotal = allPadIds.length;
+  var numPadsSoFar = 0;
+  var progressBar = startConsoleProgressBar();
+
+  allPadIds.forEach(function(padId) {
+    var meta = sqlbase.getJSON("PAD_META", padId);
+
+    sqlobj.insert("PAD_SQLMETA", {
+      id: padId,
+      version: 1,
+      creationTime: new Date(meta.creationTime || 0),
+      lastWriteTime: new Date(),
+      headRev: meta.head
+    });
+
+    delete meta.creationTime; // now stored in SQLMETA
+    delete meta.version; // just in case (was used during development)
+    delete meta.dirty; // no longer stored in DB
+    delete meta.lastAccess; // no longer stored in DB
+
+    sqlbase.putJSON("PAD_META", padId, meta);
+
+    numPadsSoFar++;
+    progressBar.update(numPadsSoFar/numPadsTotal, numPadsSoFar+"/"+numPadsTotal+" pads");
+  });
+
+  progressBar.finish();
+}
+