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WL#4738 streamline/simplify @@variable creation process

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Bug#16565 mysqld --help --verbose does not order variablesBug#20413 sql_slave_skip_counter is not shown in show variables
Bug#20415 Output of mysqld --help --verbose is incomplete
Bug#25430 variable not found in SELECT @@global.ft_max_word_len;
Bug#32902 plugin variables don't know their names
Bug#34599 MySQLD Option and Variable Reference need to be consistent in formatting!
Bug#34829 No default value for variable and setting default does not raise error
Bug#34834 ? Is accepted as a valid sql mode
Bug#34878 Few variables have default value according to documentation but error occurs  
Bug#34883 ft_boolean_syntax cant be assigned from user variable to global var.
Bug#37187 `INFORMATION_SCHEMA`.`GLOBAL_VARIABLES`: inconsistent status
Bug#40988 log_output_basic.test succeeded though syntactically false.
Bug#41010 enum-style command-line options are not honoured (maria.maria-recover fails)
Bug#42103 Setting key_buffer_size to a negative value may lead to very large allocations 
Bug#44691 Some plugins configured as MYSQL_PLUGIN_MANDATORY in can be disabled
Bug#44797 plugins w/o command-line options have no disabling option in --help
Bug#46314 string system variables don't support expressions
Bug#46470 sys_vars.max_binlog_cache_size_basic_32 is broken
Bug#46586 When using the plugin interface the type "set" for options caused a crash.
Bug#47212 Crash in DBUG_PRINT in mysqltest.cc when trying to print octal number
Bug#48758 mysqltest crashes on sys_vars.collation_server_basic in gcov builds
Bug#49417 some complaints about mysqld --help --verbose output
Bug#49540 DEFAULT value of binlog_format isn't the default value
Bug#49640 ambiguous option '--skip-skip-myisam' (double skip prefix)
Bug#49644 init_connect and \0
Bug#49645 init_slave and multi-byte characters
Bug#49646 mysql --show-warnings crashes when server dies


CMakeLists.txt:
  Bug#44691 Some plugins configured as MYSQL_PLUGIN_MANDATORY in can be disabled
client/mysql.cc:
  don't crash with --show-warnings when mysqld dies
config/ac-macros/plugins.m4:
  Bug#44691 Some plugins configured as MYSQL_PLUGIN_MANDATORY in can be disabled
include/my_getopt.h:
  comments
include/my_pthread.h:
  fix double #define
mysql-test/mysql-test-run.pl:
  run sys_vars suite by default
  properly recognize envirinment variables (e.g. MTR_MAX_SAVE_CORE) set to 0
  escape gdb command line arguments
mysql-test/suite/sys_vars/r/rpl_init_slave_func.result:
  init_slave+utf8 bug
mysql-test/suite/sys_vars/t/rpl_init_slave_func.test:
  init_slave+utf8 bug
mysys/my_getopt.c:
  Bug#34599 MySQLD Option and Variable Reference need to be consistent in formatting!
  Bug#46586 When using the plugin interface the type "set" for options caused a crash.
  Bug#49640 ambiguous option '--skip-skip-myisam' (double skip prefix)
mysys/typelib.c:
  support for flagset
sql/ha_ndbcluster.cc:
  backport from telco tree
sql/item_func.cc:
  Bug#49644 init_connect and \0
  Bug#49645 init_slave and multi-byte characters
sql/sql_builtin.cc.in:
  Bug#44691 Some plugins configured as MYSQL_PLUGIN_MANDATORY in can be disabled
sql/sql_plugin.cc:
  Bug#44691 Some plugins configured as MYSQL_PLUGIN_MANDATORY in can be disabled
  Bug#32902 plugin variables don't know their names
  Bug#44797 plugins w/o command-line options have no disabling option in --help
sql/sys_vars.cc:
  all server variables are defined here
storage/myisam/ft_parser.c:
  remove unnecessary updates of param->quot
storage/myisam/ha_myisam.cc:
  myisam_* variables belong here
strings/my_vsnprintf.c:
  %o and %llx
unittest/mysys/my_vsnprintf-t.c:
  %o and %llx tests
vio/viosocket.c:
  bugfix: fix @@wait_timeout to work with socket timeouts (vs. alarm thread)
This commit is contained in:
Sergei Golubchik
2009-12-22 10:35:56 +01:00
parent 22c6534698
commit 1ad5bb1a69
739 changed files with 16098 additions and 14754 deletions
Download Patch File Download Diff File Expand all files Collapse all files

151
sql/sql_repl.cc
View File

@ -29,6 +29,14 @@ my_bool opt_sporadic_binlog_dump_fail = 0;
static int binlog_dump_count = 0;
#endif
/**
a copy of active_mi->rli->slave_skip_counter, for showing in SHOW VARIABLES,
INFORMATION_SCHEMA.GLOBAL_VARIABLES and @@sql_slave_skip_counter without
taking all the mutexes needed to access active_mi->rli->slave_skip_counter
properly.
*/
uint sql_slave_skip_counter;
/*
fake_rotate_event() builds a fake (=which does not exist physically in any
binlog) Rotate event, which contains the name of the binlog we are going to
@ -1985,147 +1993,4 @@ int log_loaded_block(IO_CACHE* file)
DBUG_RETURN(0);
}
/*
Replication System Variables
*/
class sys_var_slave_skip_counter :public sys_var
{
public:
sys_var_slave_skip_counter(sys_var_chain *chain, const char *name_arg)
:sys_var(name_arg)
{ chain_sys_var(chain); }
bool check(THD *thd, set_var *var);
bool update(THD *thd, set_var *var);
bool check_type(enum_var_type type) { return type != OPT_GLOBAL; }
/*
We can't retrieve the value of this, so we don't have to define
type() or value_ptr()
*/
};
class sys_var_sync_binlog_period :public sys_var_long_ptr
{
public:
sys_var_sync_binlog_period(sys_var_chain *chain, const char *name_arg,
ulong *value_ptr)
:sys_var_long_ptr(chain, name_arg,value_ptr) {}
bool update(THD *thd, set_var *var);
};
static void fix_slave_net_timeout(THD *thd, enum_var_type type)
{
DBUG_ENTER("fix_slave_net_timeout");
#ifdef HAVE_REPLICATION
pthread_mutex_lock(&LOCK_active_mi);
DBUG_PRINT("info",("slave_net_timeout=%lu mi->heartbeat_period=%.3f",
slave_net_timeout,
(active_mi? active_mi->heartbeat_period : 0.0)));
if (active_mi && slave_net_timeout < active_mi->heartbeat_period)
push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN,
ER_SLAVE_HEARTBEAT_VALUE_OUT_OF_RANGE,
"The currect value for master_heartbeat_period"
" exceeds the new value of `slave_net_timeout' sec."
" A sensible value for the period should be"
" less than the timeout.");
pthread_mutex_unlock(&LOCK_active_mi);
#endif
DBUG_VOID_RETURN;
}
static sys_var_chain vars = { NULL, NULL };
static sys_var_const sys_log_slave_updates(&vars, "log_slave_updates",
OPT_GLOBAL, SHOW_MY_BOOL,
(uchar*) &opt_log_slave_updates);
static sys_var_const sys_relay_log(&vars, "relay_log",
OPT_GLOBAL, SHOW_CHAR_PTR,
(uchar*) &opt_relay_logname);
static sys_var_const sys_relay_log_index(&vars, "relay_log_index",
OPT_GLOBAL, SHOW_CHAR_PTR,
(uchar*) &opt_relaylog_index_name);
static sys_var_const sys_relay_log_info_file(&vars, "relay_log_info_file",
OPT_GLOBAL, SHOW_CHAR_PTR,
(uchar*) &relay_log_info_file);
static sys_var_bool_ptr sys_relay_log_purge(&vars, "relay_log_purge",
&relay_log_purge);
static sys_var_bool_ptr sys_relay_log_recovery(&vars, "relay_log_recovery",
&relay_log_recovery);
static sys_var_uint_ptr sys_sync_binlog_period(&vars, "sync_binlog",
&sync_binlog_period);
static sys_var_uint_ptr sys_sync_relaylog_period(&vars, "sync_relay_log",
&sync_relaylog_period);
static sys_var_uint_ptr sys_sync_relayloginfo_period(&vars, "sync_relay_log_info",
&sync_relayloginfo_period);
static sys_var_uint_ptr sys_sync_masterinfo_period(&vars, "sync_master_info",
&sync_masterinfo_period);
static sys_var_const sys_relay_log_space_limit(&vars,
"relay_log_space_limit",
OPT_GLOBAL, SHOW_LONGLONG,
(uchar*)
&relay_log_space_limit);
static sys_var_const sys_slave_load_tmpdir(&vars, "slave_load_tmpdir",
OPT_GLOBAL, SHOW_CHAR_PTR,
(uchar*) &slave_load_tmpdir);
static sys_var_long_ptr sys_slave_net_timeout(&vars, "slave_net_timeout",
&slave_net_timeout,
fix_slave_net_timeout);
static sys_var_const sys_slave_skip_errors(&vars, "slave_skip_errors",
OPT_GLOBAL, SHOW_CHAR,
(uchar*) slave_skip_error_names);
static sys_var_long_ptr sys_slave_trans_retries(&vars, "slave_transaction_retries",
&slave_trans_retries);
static sys_var_slave_skip_counter sys_slave_skip_counter(&vars, "sql_slave_skip_counter");
bool sys_var_slave_skip_counter::check(THD *thd, set_var *var)
{
int result= 0;
pthread_mutex_lock(&LOCK_active_mi);
pthread_mutex_lock(&active_mi->rli.run_lock);
if (active_mi->rli.slave_running)
{
my_message(ER_SLAVE_MUST_STOP, ER(ER_SLAVE_MUST_STOP), MYF(0));
result=1;
}
pthread_mutex_unlock(&active_mi->rli.run_lock);
pthread_mutex_unlock(&LOCK_active_mi);
var->save_result.ulong_value= (ulong) var->value->val_int();
return result;
}
bool sys_var_slave_skip_counter::update(THD *thd, set_var *var)
{
pthread_mutex_lock(&LOCK_active_mi);
pthread_mutex_lock(&active_mi->rli.run_lock);
/*
The following test should normally never be true as we test this
in the check function; To be safe against multiple
SQL_SLAVE_SKIP_COUNTER request, we do the check anyway
*/
if (!active_mi->rli.slave_running)
{
pthread_mutex_lock(&active_mi->rli.data_lock);
active_mi->rli.slave_skip_counter= var->save_result.ulong_value;
pthread_mutex_unlock(&active_mi->rli.data_lock);
}
pthread_mutex_unlock(&active_mi->rli.run_lock);
pthread_mutex_unlock(&LOCK_active_mi);
return 0;
}
int init_replication_sys_vars()
{
if (mysql_add_sys_var_chain(vars.first, my_long_options))
{
/* should not happen */
fprintf(stderr, "failed to initialize replication system variables");
unireg_abort(1);
}
return 0;
}
#endif /* HAVE_REPLICATION */