Change capital add index

Change capital add index

GameEngine/Database.php

@@ -8988,8 +8988,35 @@ public function setDebugSettings($warning, $notice, $deprecated, $fatal, $maxSiz
 	function changeCapital($wref, $mode = 1) {
     list($wref, $mode) = $this->escape_input($wref, $mode);
 
-    	$q = "UPDATE ".TB_PREFIX."vdata SET capital = ".$mode." WHERE wref = $wref";
+    $wref = (int)$wref;
-    	return mysqli_query($this->dblink, $q);
+    $mode = (int)$mode;
+
+    // We retrieve the owner of the current village.
+    $owner = (int)$this->getVillageField($wref, 'owner');
+
+    if ($owner <= 0) {
+        return false;
+    }
+
+    // if we are setting a new capital
+    if ($mode == 1) {
+
+        // 1. We reset ALL capitals of that owner (VERY fast)
+        mysqli_query(
+            $this->dblink,
+            "UPDATE " . TB_PREFIX . "vdata 
+             SET capital = 0 
+             WHERE owner = $owner"
+        );
+    }
+
+    // 2. we set the new capital
+    return mysqli_query(
+        $this->dblink,
+        "UPDATE " . TB_PREFIX . "vdata 
+         SET capital = $mode 
+         WHERE wref = $wref"
+    );
 }
 };
 

var/db/struct.sql

@@ -1726,6 +1726,7 @@ KEY `loyalty` (`loyalty`),
 KEY `exp1` (`exp1`),
 KEY `exp2` (`exp2`),
 KEY `exp3` (`exp3`)
+KEY `idx_owner_wref` (`owner`, `wref`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
 --