Commit ac738d82 authored by Georgi Kodinov's avatar Georgi Kodinov

merge

parents 517f5867 121e0473
......@@ -1026,6 +1026,13 @@ hostname #
# Test 'myisam_mmap_size' option is not dynamic
SET @@myisam_mmap_size= 500M;
ERROR HY000: Variable 'myisam_mmap_size' is a read only variable
#
# Bug #52315: utc_date() crashes when system time > year 2037
#
SET TIMESTAMP=2*1024*1024*1024;
#Should not crash
SELECT UTC_DATE();
SET TIMESTAMP=DEFAULT;
End of 5.0 tests
set join_buffer_size=1;
Warnings:
......
......@@ -785,6 +785,21 @@ show variables like 'hostname';
--echo # Test 'myisam_mmap_size' option is not dynamic
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
SET @@myisam_mmap_size= 500M;
--echo #
--echo # Bug #52315: utc_date() crashes when system time > year 2037
--echo #
--error 0, ER_UNKNOWN_ERROR
SET TIMESTAMP=2*1024*1024*1024;
--echo #Should not crash
--disable_result_log
SELECT UTC_DATE();
--enable_result_log
SET TIMESTAMP=DEFAULT;
--echo End of 5.0 tests
#
......
......@@ -3233,6 +3233,13 @@ static int init_common_variables(const char *conf_file_name, int argc,
max_system_variables.pseudo_thread_id= (ulong)~0;
server_start_time= flush_status_time= my_time(0);
/* TODO: remove this when my_time_t is 64 bit compatible */
if (server_start_time >= (time_t) MY_TIME_T_MAX)
{
sql_print_error("This MySQL server doesn't support dates later then 2038");
return 1;
}
rpl_filter= new Rpl_filter;
binlog_filter= new Rpl_filter;
if (!rpl_filter || !binlog_filter)
......
......@@ -2718,10 +2718,26 @@ int set_var_collation_client::update(THD *thd)
/****************************************************************************/
bool sys_var_timestamp::check(THD *thd, set_var *var)
{
time_t val;
var->save_result.ulonglong_value= var->value->val_int();
val= (time_t) var->save_result.ulonglong_value;
if (val < (time_t) MY_TIME_T_MIN || val > (time_t) MY_TIME_T_MAX)
{
my_message(ER_UNKNOWN_ERROR,
"This version of MySQL doesn't support dates later than 2038",
MYF(0));
return TRUE;
}
return FALSE;
}
bool sys_var_timestamp::update(THD *thd, set_var *var)
{
thd->set_time((time_t) var->save_result.ulonglong_value);
return 0;
return FALSE;
}
......
......@@ -662,6 +662,7 @@ public:
Binlog_status_enum binlog_status_arg= NOT_IN_BINLOG)
:sys_var(name_arg, NULL, binlog_status_arg)
{ chain_sys_var(chain); }
bool check(THD *thd, set_var *var);
bool update(THD *thd, set_var *var);
void set_default(THD *thd, enum_var_type type);
bool check_type(enum_var_type type) { return type == OPT_GLOBAL; }
......
......@@ -2029,6 +2029,11 @@ public:
start_time= user_time= t;
start_utime= utime_after_lock= my_micro_time();
}
/*TODO: this will be obsolete when we have support for 64 bit my_time_t */
inline bool is_valid_time()
{
return (start_time < (time_t) MY_TIME_T_MAX);
}
void set_time_after_lock() { utime_after_lock= my_micro_time(); }
ulonglong current_utime() { return my_micro_time(); }
inline ulonglong found_rows(void)
......
......@@ -994,6 +994,19 @@ bool dispatch_command(enum enum_server_command command, THD *thd,
thd->enable_slow_log= TRUE;
thd->lex->sql_command= SQLCOM_END; /* to avoid confusing VIEW detectors */
thd->set_time();
if (!thd->is_valid_time())
{
/*
If the time has got past 2038 we need to shut this server down
We do this by making sure every command is a shutdown and we
have enough privileges to shut the server down
TODO: remove this when we have full 64 bit my_time_t support
*/
thd->security_ctx->master_access|= SHUTDOWN_ACL;
command= COM_SHUTDOWN;
}
VOID(pthread_mutex_lock(&LOCK_thread_count));
thd->query_id= global_query_id;
......
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