PostgreSQL: Display auto_increment of inserted rows

adminer/include/driver.inc.php

@@ -139,10 +139,19 @@ abstract class SqlDriver {
 	* @return bool
 	*/
 	function insert($table, $set) {
-		return queries("INSERT INTO " . table($table) . ($set
+		return queries($this->insertSql($table, $set));
+	}
+
+	/** Get SQL query to insert data into table
+	* @param string
+	* @param array same as insert()
+	* @return string
+	*/
+	protected function insertSql($table, $set) {
+		return "INSERT INTO " . table($table) . ($set
 			? " (" . implode(", ", array_keys($set)) . ")\nVALUES (" . implode(", ", $set) . ")"
 			: " DEFAULT VALUES"
-		));
+		);
 	}
 
 	/** Insert or update data in table