From 6e2f3cef2ef0ac9fa99d844ab5216e1b10ef6b7d Mon Sep 17 00:00:00 2001
From: Sadie Powell
Date: Sun, 4 Aug 2024 11:29:49 +0100
Subject: Fix trying to fetch more MySQL rows than are available.

MySQL returns -1 on error in an unsigned field which was breaking
this.
---
 src/modules/extra/m_mysql.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/modules')

diff --git a/src/modules/extra/m_mysql.cpp b/src/modules/extra/m_mysql.cpp
index a3a930d98..17df7ca4a 100644
--- a/src/modules/extra/m_mysql.cpp
+++ b/src/modules/extra/m_mysql.cpp
@@ -170,7 +170,8 @@ public:
 	MySQLresult(MYSQL_RES* res, unsigned long affected_rows)
 		: err(SQL::SUCCESS)
 	{
-		if (affected_rows >= 1)
+		// mysql returns -1 on error even though the return type is unsigned
+		if (affected_rows >= 1 && affected_rows != (unsigned long)-1)
 		{
 			rows = int(affected_rows);
 			fieldlists.resize(rows);
-- 
cgit v1.3.1-10-gc9f91