From 6a10de0bb8fe996daca5ecd5687f1072abb0dd8b Mon Sep 17 00:00:00 2001
From: matt dannenberg <matt.dannenberg@10gen.com>
Date: Fri, 28 Feb 2014 08:45:02 -0500
Subject: SERVER-8391 upgradechecker now supports database or collection as
 argument

---
 src/mongo/shell/upgrade_check.js | 43 ++++++++++++++++++++++++++++++++++++++--
 1 file changed, 41 insertions(+), 2 deletions(-)

diff --git a/src/mongo/shell/upgrade_check.js b/src/mongo/shell/upgrade_check.js
index 4efa6a39f9d..3175b8d4134 100644
--- a/src/mongo/shell/upgrade_check.js
+++ b/src/mongo/shell/upgrade_check.js
@@ -96,8 +96,47 @@ dbUpgradeCheck = function(dbName) {
     return goodSoFar;
 }
 
-upgradeCheck = function() { 
-    print("\tChecking for 2.6 upgrade compatibility");
+upgradeCheck = function(obj) { 
+    // parse args if there are any
+    if (obj) {
+        // check collection if a collection is passed
+        if (obj["collection"]) {
+            // make sure a string was passed in for the collection
+            if (typeof obj["collection"] !== "string") {
+                print("The collection field must contain a string");
+                return false;
+            }
+        }
+
+        if (obj["db"]) {
+            // make sure a string was passed in for the db
+            if (typeof obj["db"] !== "string") {
+                print("The db field must contain a string");
+                return false;
+            }
+
+            // check only the collection if it was passed it
+            if (obj["collection"]) {
+                print("\tChecking collection '" + obj["db"] + '.' + obj["collection"] +
+                      "' for 2.6 upgrade compatibility");
+                return collUpgradeCheck(obj["db"], obj["collection"]);
+            }
+
+            //otherwise check entire db
+            print("\tChecking database '" + obj["db"] + "' for 2.6 upgrade compatibility");
+            return dbUpgradeCheck(obj["db"]);
+        }
+        if (obj["collection"]) {
+            print("\tChecking collection '" + db.getName() + '.' + obj["collection"] +
+                  "' for 2.6 upgrade compatibility");
+            return collUpgradeCheck(db.getName(), obj["collection"]);
+        }
+        print("When passing an argument to upgradeCheck, it must be of the form {db: " +
+              "<dbNameString>, collection: <collectionNameString>} (either field may be omitted)");
+        return false;
+    }
+
+    print("\tChecking mongod instance for 2.6 upgrade compatibility");
     var dbs = db.getMongo().getDBs();
     var goodSoFar = true;
 
-- 
cgit v1.2.1