Declare AbstractPlatform::getRenameIndexSQL() as abstract

The base implementation was overridden in all implementations except for
SQLitePlatform.

Author: morozov

src/Platforms/AbstractPlatform.php

@@ -1272,13 +1272,7 @@ protected function getPostAlterTableIndexForeignKeySQL(TableDiff $diff): array
      *
      * @return list<string> The sequence of SQL statements for renaming the given index.
      */
-    protected function getRenameIndexSQL(string $oldIndexName, Index $index, string $tableName): array
-    {
-        return [
-            $this->getDropIndexSQL($oldIndexName, $tableName),
-            $this->getCreateIndexSQL($index, $tableName),
-        ];
-    }
+    abstract protected function getRenameIndexSQL(string $oldIndexName, Index $index, string $tableName): array;
 
     /**
      * Returns the SQL for renaming a column

src/Platforms/SQLitePlatform.php

@@ -571,6 +571,15 @@ public function getCreateIndexSQL(Index $index, string $table): string
         return implode(' ', $chunks);
     }
 
+    /** {@inheritDoc} */
+    protected function getRenameIndexSQL(string $oldIndexName, Index $index, string $tableName): array
+    {
+        return [
+            $this->getDropIndexSQL($oldIndexName, $tableName),
+            $this->getCreateIndexSQL($index, $tableName),
+        ];
+    }
+
     /**
      * {@inheritDoc}
      */