fixed repeated balancing bug

diff --git a/includes/LoadBalancer.php b/includes/LoadBalancer.php
index a60d284..ee402d6 100644 (file)
--- a/includes/LoadBalancer.php
+++ b/includes/LoadBalancer.php
@@ -145,7 +145,13 @@ class LoadBalancer {
                return $this->pickRandom( $loads );
        }
 
-
+       /**
+        * Get the index of the reader connection, which may be a slave
+        * This takes into account load ratios and lag times. It should 
+        * always return a consistent index during a given invocation
+        *
+        * Side effect: opens connections to databases
+        */
        function getReaderIndex()
        {
                global $wgMaxLag, $wgReadOnly, $wgDBClusterTimeout;
@@ -215,7 +221,7 @@ class LoadBalancer {
                                                        $this->mServers[$i]['slave pos'] = $this->mConnections[$i]->getSlavePos();
                                                }
                                        }
-                                       if ( $i != false ) {
+                                       if ( $i !== false ) {
                                                $this->mReadIndex = $i;
                                        }
                                } else {