Ticket #41266: 41266-approach-1.diff

src/wp-includes/class-wp-meta-query.php

@@ -95 +95 @@
         protected $has_or_relation = false;
 
         /**
+         * The default meta table alias.
+         *
+         * @var string
+         */
+        protected $default_meta_table_alias = 'mt';
+
+        /**
          * Constructor.
          *
          * @since 3.2.0
@@ -511 +518 @@
                 $alias = $this->find_compatible_table_alias( $clause, $parent_query );
                 if ( false === $alias ) {
                         $i = count( $this->table_aliases );
-                        $alias = $i ? 'mt' . $i : $this->meta_table;
+                        $alias = $i ? $this->default_meta_table_alias . $i : $this->meta_table;
 
                         // JOIN clauses for NOT EXISTS have their own syntax.
                         if ( 'NOT EXISTS' === $meta_compare ) {
@@ -727 +734 @@
         public function has_or_relation() {
                 return $this->has_or_relation;
         }
+
+        /**
+         * Sets default meta table alias.
+         *
+         * @param string $default_meta_table_alias The default meta table alias.
+         *
+         * @return void
+         */
+        public function set_default_meta_table_alias( $default_meta_table_alias ) {
+                $this->default_meta_table_alias = $default_meta_table_alias;
+        }
 }