Added missing QueryBuilder::conditionClasses setter

Fixes #15792

framework/CHANGELOG.md

@@ -1,10 +1,10 @@
 Yii Framework 2 Change Log
 ==========================
 
-2.0.15 under development
+2.0.14.2 under development
 ------------------------
 
-- no changes in this release.
+- Bug #15792: Added missing `yii\db\QueryBuilder::conditionClasses` setter (silverfire)
 
 
 2.0.14.1 February 24, 2018

framework/db/QueryBuilder.php

@@ -193,6 +193,23 @@ class QueryBuilder extends \yii\base\BaseObject
         $this->expressionBuilders = array_merge($this->expressionBuilders, $builders);
     }
 
+    /**
+     * Setter for [[expressionBuilders]] property.
+     *
+     * @param string[] $classes map of condition aliases to condition classes. For example:
+     *
+     * ```php
+     * ['LIKE' => yii\db\condition\LikeCondition::class]
+     * ```
+     *
+     * @since 2.0.14.2
+     * @see conditionClasses
+     */
+    public function setConditionClasses($classes)
+    {
+        $this->conditionClasses = array_merge($this->conditionClasses, $classes);
+    }
+
     /**
      * Generates a SELECT SQL statement from a [[Query]] object.
      *