diff --git a/sql/sql_connect.cc b/sql/sql_connect.cc index 4ae267a880c3fcb5996246290a62d7691570034b..cfcf2af3d09718bcf1dcb1d2c11240911fe94466 100644 --- a/sql/sql_connect.cc +++ b/sql/sql_connect.cc @@ -486,6 +486,18 @@ check_user(THD *thd, enum enum_server_command command, thd->main_security_ctx.user, thd->main_security_ctx.host_or_ip, passwd_len ? ER(ER_YES) : ER(ER_NO)); + /* + log access denied messages to the error log when log-warnings = 2 + so that the overhead of the general query log is not required to track + failed connections + */ + if (global_system_variables.log_warnings > 1) + { + sql_print_warning(ER(ER_ACCESS_DENIED_ERROR), + thd->main_security_ctx.user, + thd->main_security_ctx.host_or_ip, + passwd_len ? ER(ER_YES) : ER(ER_NO)); + } DBUG_RETURN(1); #endif /* NO_EMBEDDED_ACCESS_CHECKS */ }