Ticket #45582: 45582.3.diff

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

@@ -570 +570 @@
                         $this->sql_clauses['where']['date_query'] = preg_replace( '/^\s*AND\s*/', '', $this->date_query->get_sql() );
                 }
 
-                $join = '';
+                $join    = '';
+                $groupby = '';
 
                 if ( ! empty( $this->meta_query_clauses ) ) {
                         $join .= $this->meta_query_clauses['join'];
@@ -585 +586 @@
 
                 $where = implode( ' AND ', $this->sql_clauses['where'] );
 
-                $groupby = '';
-
                 $pieces = array( 'fields', 'join', 'where', 'orderby', 'limits', 'groupby' );
 
                 /**