diff --git a/code/PostgreSQLDatabase.php b/code/PostgreSQLDatabase.php
index f376035..b4fcedc 100644
--- a/code/PostgreSQLDatabase.php
+++ b/code/PostgreSQLDatabase.php
@@ -1365,6 +1365,20 @@ class PostgreSQLDatabase extends SS_Database {
 			return false;
 	}
 
+	/**
+	 * Delete all entries from the table instead of truncating it.
+	 *
+	 * This gives a massive speed improvement compared to using TRUNCATE, with
+	 * the caveat that primary keys are not reset etc.
+	 *
+	 * @see DatabaseAdmin::clearAllData()
+	 *
+	 * @param string $table
+	 */
+	public function clearTable($table) {
+		$this->query('DELETE FROM "'.$table.'";');
+	}
+
 	/**
 	 * Return a boolean type-formatted string
 	 *