fix interpolateParams

go-sql-driver · May 18, 2024 · 20c8f2d · 20c8f2d
1 parent db0cc0e
commit 20c8f2d
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/connection.go b/connection.go
@@ -207,7 +207,10 @@ func (mc *mysqlConn) interpolateParams(query string, args []driver.Value) (strin
 	if err != nil {
 		// can not take the buffer. Something must be wrong with the connection
 		mc.cleanup()
-		return "", err
+		// interpolateParams would be called before sending any query.
+		// So its safe to retry.
+		mc.log(err)
+		return "", driver.ErrBadConn
 	}
 	buf = buf[:0]
 	argPos := 0