Fix incompatibility

Author: lazychaser

composer.json

@@ -13,9 +13,9 @@
 
     "require": {
         "php": ">=7.1.3",
-        "illuminate/support": "~5.7.0|~5.8.0|^6.0|^7.0|^8.41",
-        "illuminate/database": "~5.7.0|~5.8.0|^6.0|^7.0|^8.41",
-        "illuminate/events": "~5.7.0|~5.8.0|^6.0|^7.0|^8.41"
+        "illuminate/support": "^7.0|^8.0",
+        "illuminate/database": "^7.0|^8.0",
+        "illuminate/events": "^7.0|^8.0"
     },
 
     "autoload": {

src/BaseRelation.php

@@ -111,20 +111,6 @@ public function initRelation(array $models, $relation)
         return $models;
     }
 
-    /**
-     * @param EloquentBuilder $query
-     * @param EloquentBuilder $parent
-     * @param array $columns
-     *
-     * @return mixed
-     */
-    public function getRelationQuery(
-        EloquentBuilder $query, EloquentBuilder $parent,
-        $columns = [ '*' ]
-    ) {
-        return $this->getRelationExistenceQuery($query, $parent, $columns);
-    }
-
     /**
      * Get a relationship join table hash.
      *