Update orm_lib/inc/drogon/orm/SqlBinder.h

an-tao · Copilot · web-flow · commit e87fefe47f96 · 2025-12-25T15:48:23.000+08:00
Co-authored-by: Copilot &lt;175728472+Copilot@users.noreply.github.com&gt;
diff --git a/orm_lib/inc/drogon/orm/SqlBinder.h b/orm_lib/inc/drogon/orm/SqlBinder.h
@@ -657,7 +657,14 @@ class DROGON_EXPORT SqlBinder : public trantor::NonCopyable
         }
         else if constexpr (std::is_same_v<T, char>)
         {
-            return MySqlTiny;
+            if constexpr (std::is_signed_v<char>)
+            {
+                return MySqlTiny;
+            }
+            else
+            {
+                return MySqlUTiny;
+            }
         }
         else
         {

Original file line number	Diff line number	Diff line change
`@@ -657,7 +657,14 @@ class DROGON_EXPORT SqlBinder : public trantor::NonCopyable`
`657`	`657`	`}`
`658`	`658`	`else if constexpr (std::is_same_v<T, char>)`
`659`	`659`	`{`
`660`		`- return MySqlTiny;`
	`660`	`+ if constexpr (std::is_signed_v<char>)`
	`661`	`+ {`
	`662`	`+ return MySqlTiny;`
	`663`	`+ }`
	`664`	`+ else`
	`665`	`+ {`
	`666`	`+ return MySqlUTiny;`
	`667`	`+ }`
`661`	`668`	`}`
`662`	`669`	`else`
`663`	`670`	`{`