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MDEV-9593 - Print the real version in the error log

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This commit is contained in:
Sergey Vojtovich
2016-08-26 16:39:32 +04:00
parent 670760d504
commit dd31e5c6ab
3 changed files with 29 additions and 22 deletions
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48
sql/mysqld.cc
View File

@ -4340,11 +4340,23 @@ static int init_common_variables()
if (get_options(&remaining_argc, &remaining_argv))
return 1;
set_server_version();
if (IS_SYSVAR_AUTOSIZE(&server_version_ptr))
set_server_version(server_version, sizeof(server_version));
if (!opt_abort)
sql_print_information("%s (mysqld %s) starting as process %lu ...",
my_progname, server_version, (ulong) getpid());
{
if (IS_SYSVAR_AUTOSIZE(&server_version_ptr))
sql_print_information("%s (mysqld %s) starting as process %lu ...",
my_progname, server_version, (ulong) getpid());
else
{
char real_server_version[SERVER_VERSION_LENGTH];
set_server_version(real_server_version, sizeof(real_server_version));
sql_print_information("%s (mysqld %s as %s) starting as process %lu ...",
my_progname, real_server_version, server_version,
(ulong) getpid());
}
}
#ifndef EMBEDDED_LIBRARY
if (opt_abort && !opt_verbose)
@ -8571,7 +8583,8 @@ static bool add_many_options(DYNAMIC_ARRAY *options, my_option *list,
#ifndef EMBEDDED_LIBRARY
static void print_version(void)
{
set_server_version();
if (IS_SYSVAR_AUTOSIZE(&server_version_ptr))
set_server_version(server_version, sizeof(server_version));
printf("%s Ver %s for %s on %s (%s)\n",my_progname,
server_version,SYSTEM_TYPE,MACHINE_TYPE, MYSQL_COMPILATION_COMMENT);
@ -9680,24 +9693,17 @@ static int get_options(int *argc_ptr, char ***argv_ptr)
(MYSQL_SERVER_SUFFIX is set by the compilation environment)
*/
void set_server_version(void)
void set_server_version(char *buf, size_t size)
{
if (!IS_SYSVAR_AUTOSIZE(&server_version_ptr))
return;
char *version_end= server_version+sizeof(server_version)-1;
char *end= strxnmov(server_version, sizeof(server_version)-1,
MYSQL_SERVER_VERSION,
MYSQL_SERVER_SUFFIX_STR, NullS);
#ifdef EMBEDDED_LIBRARY
end= strnmov(end, "-embedded", (version_end-end));
#endif
#ifndef DBUG_OFF
if (!strstr(MYSQL_SERVER_SUFFIX_STR, "-debug"))
end= strnmov(end, "-debug", (version_end-end));
#endif
if (opt_log || global_system_variables.sql_log_slow || opt_bin_log)
strnmov(end, "-log", (version_end-end)); // This may slow down system
*end= 0;
bool is_log= opt_log || global_system_variables.sql_log_slow || opt_bin_log;
bool is_debug= IF_DBUG(!strstr(MYSQL_SERVER_SUFFIX_STR, "-debug"), 0);
strxnmov(buf, size - 1,
MYSQL_SERVER_VERSION,
MYSQL_SERVER_SUFFIX_STR,
IF_EMBEDDED("-embedded", ""),
is_debug ? "-debug" : "",
is_log ? "-log" : "",
NullS);
}

2
sql/mysqld.h
View File

@ -774,7 +774,7 @@ inline void dec_thread_running()
thread_safe_decrement32(&thread_running);
}
extern void set_server_version(void);
extern void set_server_version(char *buf, size_t size);
#if defined(MYSQL_DYNAMIC_PLUGIN) && defined(_WIN32)
extern "C" THD *_current_thd_noinline();

1
sql/signal_handler.cc
View File

@ -107,6 +107,7 @@ extern "C" sig_handler handle_fatal_signal(int sig)
"diagnose the problem, but since we have already crashed, \n"
"something is definitely wrong and this may fail.\n\n");
set_server_version(server_version, sizeof(server_version));
my_safe_printf_stderr("Server version: %s\n", server_version);
if (dflt_key_cache)