From 15eb955aeee08c64ec268fd685d899d02a7ba9d3 Mon Sep 17 00:00:00 2001
From: Javier Spagnoletti <phansys@gmail.com>
Date: Tue, 7 Feb 2023 10:39:52 -0300
Subject: [PATCH] Fix type assumptions about `Connection::lastInsertId()`

---
 src/Connection.php               | 2 --
 src/Driver/Connection.php        | 4 +---
 src/Driver/IBMDB2/Connection.php | 2 +-
 3 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/src/Connection.php b/src/Connection.php
index 2549f04132f..1e39b6d214e 100644
--- a/src/Connection.php
+++ b/src/Connection.php
@@ -878,8 +878,6 @@ public function getTransactionNestingLevel(): int
      *
      * If the underlying driver does not support identity columns, an exception is thrown.
      *
-     * @return int|string The last insert ID, as an integer or a numeric string.
-     *
      * @throws Exception
      */
     public function lastInsertId(): int|string
diff --git a/src/Driver/Connection.php b/src/Driver/Connection.php
index f5229a2d298..29b3f3aba62 100644
--- a/src/Driver/Connection.php
+++ b/src/Driver/Connection.php
@@ -46,7 +46,7 @@ public function exec(string $sql): int|string;
     /**
      * Returns the ID of the last inserted row.
      *
-     * This method returns an integer or a numeric string representing the value of the auto-increment column
+     * This method returns an integer or a string representing the value of the auto-increment column
      * from the last row inserted into the database, if any, or throws an exception if a value cannot be returned,
      * in particular when:
      *
@@ -57,8 +57,6 @@ public function exec(string $sql): int|string;
      * previous statement. DO NOT RELY ON THIS BEHAVIOR which is driver-dependent: always use getLastInsertId() right
      * after executing an INSERT statement.
      *
-     * @return int|string The last insert ID, as an integer or a numeric string.
-     *
      * @throws Exception
      */
     public function lastInsertId(): int|string;
diff --git a/src/Driver/IBMDB2/Connection.php b/src/Driver/IBMDB2/Connection.php
index ae437ce3de9..26b288473d4 100644
--- a/src/Driver/IBMDB2/Connection.php
+++ b/src/Driver/IBMDB2/Connection.php
@@ -77,7 +77,7 @@ public function exec(string $sql): int|string
         return db2_num_rows($stmt);
     }
 
-    public function lastInsertId(): int|string
+    public function lastInsertId(): string
     {
         $lastInsertId = db2_last_insert_id($this->connection);