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Bug#31177: Server variables can't be set to their current values

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5.1+ specific fixes (plugins etc.)
This commit is contained in:
tnurnberg@mysql.com/white.intern.koehntopp.de 2007-12-01 19:55:06 +01:00
parent 9598ea4f45
commit 56274466be
8 changed files with 104 additions and 26 deletions
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3
include/my_getopt.h
View file

@ -75,7 +75,8 @@ extern void my_getopt_register_get_addr(uchar ** (*func_addr)(const char *, uint
const struct my_option *));
ulonglong getopt_ull_limit_value(ulonglong num, const struct my_option *optp,
bool *fixed);
bool *fix);
longlong getopt_ll_limit_value(longlong, const struct my_option *,bool *fix);
my_bool getopt_compare_strings(const char *s, const char *t, uint length);
C_MODE_END

2
mysql-test/r/index_merge_myisam.result
View file

@ -342,6 +342,8 @@ create table t4 (a int);
insert into t4 values (1),(4),(3);
set @save_join_buffer_size=@@join_buffer_size;
set join_buffer_size= 4000;
Warnings:
Warning 1292 Truncated incorrect join_buffer_size value: '4000'
explain select max(A.key1 + B.key1 + A.key2 + B.key2 + A.key3 + B.key3 + A.key4 + B.key4 + A.key5 + B.key5)
from t0 as A force index(i1,i2), t0 as B force index (i1,i2)
where (A.key1 < 500000 or A.key2 < 3)

4
mysql-test/r/innodb.result
View file

@ -1793,7 +1793,7 @@ Variable_name Value
innodb_thread_concurrency 8
set global innodb_thread_concurrency=1001;
Warnings:
Warning 1292 Truncated incorrect innodb_thread_concurrency value: '1001'
Warning 1292 Truncated incorrect thread_concurrency value: '1001'
show variables like "innodb_thread_concurrency";
Variable_name Value
innodb_thread_concurrency 1000
@ -1814,7 +1814,7 @@ Variable_name Value
innodb_concurrency_tickets 1000
set global innodb_concurrency_tickets=0;
Warnings:
Warning 1292 Truncated incorrect innodb_concurrency_tickets value: '0'
Warning 1292 Truncated incorrect concurrency_tickets value: '0'
show variables like "innodb_concurrency_tickets";
Variable_name Value
innodb_concurrency_tickets 1

34
mysql-test/r/variables.result
View file

@ -279,6 +279,8 @@ NET_READ_TIMEOUT 600
NET_RETRY_COUNT 10
NET_WRITE_TIMEOUT 500
set net_buffer_length=1;
Warnings:
Warning 1292 Truncated incorrect net_buffer_length value: '1'
show variables like 'net_buffer_length';
Variable_name Value
net_buffer_length 1024
@ -312,14 +314,14 @@ show variables like '%alloc%';
Variable_name Value
query_alloc_block_size 8192
query_prealloc_size 8192
range_alloc_block_size 2048
range_alloc_block_size 4096
transaction_alloc_block_size 8192
transaction_prealloc_size 4096
select * from information_schema.session_variables where variable_name like '%alloc%' order by 1;
VARIABLE_NAME VARIABLE_VALUE
QUERY_ALLOC_BLOCK_SIZE 8192
QUERY_PREALLOC_SIZE 8192
RANGE_ALLOC_BLOCK_SIZE 2048
RANGE_ALLOC_BLOCK_SIZE 4096
TRANSACTION_ALLOC_BLOCK_SIZE 8192
TRANSACTION_PREALLOC_SIZE 4096
set @@range_alloc_block_size=1024*16;
@ -351,14 +353,14 @@ show variables like '%alloc%';
Variable_name Value
query_alloc_block_size 8192
query_prealloc_size 8192
range_alloc_block_size 2048
range_alloc_block_size 4096
transaction_alloc_block_size 8192
transaction_prealloc_size 4096
select * from information_schema.session_variables where variable_name like '%alloc%' order by 1;
VARIABLE_NAME VARIABLE_VALUE
QUERY_ALLOC_BLOCK_SIZE 8192
QUERY_PREALLOC_SIZE 8192
RANGE_ALLOC_BLOCK_SIZE 2048
RANGE_ALLOC_BLOCK_SIZE 4096
TRANSACTION_ALLOC_BLOCK_SIZE 8192
TRANSACTION_PREALLOC_SIZE 4096
SELECT @@version LIKE 'non-existent';
@ -416,6 +418,8 @@ select @@autocommit, @@big_tables;
@@autocommit @@big_tables
1 1
set global binlog_cache_size=100;
Warnings:
Warning 1292 Truncated incorrect binlog_cache_size value: '100'
set bulk_insert_buffer_size=100;
set character set cp1251_koi8;
set character set default;
@ -444,6 +448,8 @@ set global flush_time=100;
set insert_id=1;
set interactive_timeout=100;
set join_buffer_size=100;
Warnings:
Warning 1292 Truncated incorrect join_buffer_size value: '100'
set last_insert_id=1;
set global local_infile=1;
set long_query_time=0.000001;
@ -456,12 +462,20 @@ select @@long_query_time;
100.000001
set low_priority_updates=1;
set max_allowed_packet=100;
Warnings:
Warning 1292 Truncated incorrect max_allowed_packet value: '100'
set global max_binlog_cache_size=100;
Warnings:
Warning 1292 Truncated incorrect max_binlog_cache_size value: '100'
set global max_binlog_size=100;
Warnings:
Warning 1292 Truncated incorrect max_binlog_size value: '100'
set global max_connect_errors=100;
set global max_connections=100;
set global max_delayed_threads=100;
set max_heap_table_size=100;
Warnings:
Warning 1292 Truncated incorrect max_heap_table_size value: '100'
set max_join_size=100;
set max_sort_length=100;
set max_tmp_tables=100;
@ -472,17 +486,25 @@ select @@max_user_connections;
set global max_write_lock_count=100;
set myisam_sort_buffer_size=100;
set net_buffer_length=100;
Warnings:
Warning 1292 Truncated incorrect net_buffer_length value: '100'
set net_read_timeout=100;
set net_write_timeout=100;
set global query_cache_limit=100;
set global query_cache_size=100;
set global query_cache_type=demand;
set read_buffer_size=100;
Warnings:
Warning 1292 Truncated incorrect read_buffer_size value: '100'
set read_rnd_buffer_size=100;
Warnings:
Warning 1292 Truncated incorrect read_rnd_buffer_size value: '100'
set global rpl_recovery_rank=100;
set global server_id=100;
set global slow_launch_time=100;
set sort_buffer_size=100;
Warnings:
Warning 1292 Truncated incorrect sort_buffer_size value: '100'
set @@max_sp_recursion_depth=10;
select @@max_sp_recursion_depth;
@@max_sp_recursion_depth
@ -522,6 +544,8 @@ set storage_engine=myisam;
set global thread_cache_size=100;
set timestamp=1, timestamp=default;
set tmp_table_size=100;
Warnings:
Warning 1292 Truncated incorrect tmp_table_size value: '100'
set tx_isolation="READ-COMMITTED";
set wait_timeout=100;
set log_warnings=1;
@ -691,6 +715,8 @@ SELECT * FROM INFORMATION_SCHEMA.SESSION_VARIABLES WHERE VARIABLE_NAME LIKE 'MYI
VARIABLE_NAME VARIABLE_VALUE
MYISAM_DATA_POINTER_SIZE 7
SET GLOBAL table_open_cache=-1;
Warnings:
Warning 1292 Truncated incorrect table_open_cache value: '0'
SHOW VARIABLES LIKE 'table_open_cache';
Variable_name Value
table_open_cache 1

2
mysql-test/t/variables.test
View file

@ -141,7 +141,7 @@ set GLOBAL myisam_max_sort_file_size=2000000;
show global variables like 'myisam_max_sort_file_size';
select * from information_schema.global_variables where variable_name like 'myisam_max_sort_file_size';
set GLOBAL myisam_max_sort_file_size=default;
--replace_result 2147482624 FILE_SIZE 2146435072 FILE_SIZE
--replace_result 2147483647 FILE_SIZE 2146435072 FILE_SIZE
show variables like 'myisam_max_sort_file_size';
--replace_result 2147483647 FILE_SIZE 9223372036854775807 FILE_SIZE
select * from information_schema.session_variables where variable_name like 'myisam_max_sort_file_size';

48
mysys/my_getopt.c
View file

@ -34,7 +34,6 @@ my_bool getopt_compare_strings(const char *s,
const char *t,
uint length);
static longlong getopt_ll(char *arg, const struct my_option *optp, int *err);
static longlong getopt_ll_limit_value(longlong, const struct my_option *);
static ulonglong getopt_ull(char *arg, const struct my_option *optp,
int *err);
static double getopt_double(char *arg, const struct my_option *optp, int *err);
@ -87,7 +86,7 @@ static void default_reporter(enum loglevel level,
fprintf(stderr, "%s", "Info: ");
vfprintf(stderr, format, args);
va_end(args);
fputs('\n', stderr);
fputc('\n', stderr);
fflush(stderr);
}
@ -785,7 +784,7 @@ static longlong eval_num_suffix(char *argument, int *error, char *option_name)
static longlong getopt_ll(char *arg, const struct my_option *optp, int *err)
{
longlong num=eval_num_suffix(arg, err, (char*) optp->name);
return getopt_ll_limit_value(num, optp);
return getopt_ll_limit_value(num, optp, NULL);
}
/*
@ -795,11 +794,11 @@ static longlong getopt_ll(char *arg, const struct my_option *optp, int *err)
Returns "fixed" value.
*/
static longlong getopt_ll_limit_value(longlong num,
const struct my_option *optp)
longlong getopt_ll_limit_value(longlong num, const struct my_option *optp,
bool *fix)
{
longlong old= num;
bool trunc= FALSE;
bool adjusted= FALSE;
char buf1[255], buf2[255];
ulonglong block_size= (optp->block_size ? (ulonglong) optp->block_size : 1L);
@ -807,7 +806,29 @@ static longlong getopt_ll_limit_value(longlong num,
optp->max_value) /* if max value is not set -> no upper limit */
{
num= (ulonglong) optp->max_value;
trunc= TRUE;
adjusted= TRUE;
}
switch ((optp->var_type & GET_TYPE_MASK)) {
case GET_INT:
if (num > (longlong) INT_MAX)
{
num= ((longlong) INT_MAX);
adjusted= TRUE;
}
break;
case GET_LONG:
#if SIZEOF_LONG < SIZEOF_LONG_LONG
if (num > (longlong) LONG_MAX)
{
num= ((longlong) LONG_MAX);
adjusted= TRUE;
}
#endif
break;
default:
DBUG_ASSERT((optp->var_type & GET_TYPE_MASK) == GET_LL);
break;
}
num= ((num - optp->sub_size) / block_size);
@ -816,10 +837,12 @@ static longlong getopt_ll_limit_value(longlong num,
if (num < optp->min_value)
{
num= optp->min_value;
trunc= TRUE;
adjusted= TRUE;
}
if (trunc)
if (fix)
*fix= adjusted;
else if (adjusted)
my_getopt_error_reporter(WARNING_LEVEL,
"option '%s': signed value %s adjusted to %s",
optp->name, llstr(old, buf1), llstr(num, buf2));
@ -888,14 +911,13 @@ ulonglong getopt_ull_limit_value(ulonglong num, const struct my_option *optp,
adjusted= TRUE;
}
if (adjusted)
if (fix)
*fix= adjusted;
else if (adjusted)
my_getopt_error_reporter(WARNING_LEVEL,
"option '%s': unsigned value %s adjusted to %s",
optp->name, ullstr(old, buf1), ullstr(num, buf2));
if (fix)
*fix= adjusted;
return num;
}

2
sql/mysqld.cc
View file

@ -5216,7 +5216,7 @@ struct my_option my_long_options[] =
{"concurrent-insert", OPT_CONCURRENT_INSERT,
"Use concurrent insert with MyISAM. Disable with --concurrent-insert=0",
(uchar**) &myisam_concurrent_insert, (uchar**) &myisam_concurrent_insert,
0, GET_LONG, OPT_ARG, 1, 0, 2, 0, 0, 0},
0, GET_ULONG, OPT_ARG, 1, 0, 2, 0, 0, 0},
{"console", OPT_CONSOLE, "Write error output on screen; Don't remove the console window on windows.",
(uchar**) &opt_console, (uchar**) &opt_console, 0, GET_BOOL, NO_ARG, 0, 0, 0,
0, 0, 0},

35
sql/sql_plugin.cc
View file

@ -1874,11 +1874,20 @@ err:
static int check_func_int(THD *thd, struct st_mysql_sys_var *var,
void *save, st_mysql_value *value)
{
bool fixed;
long long tmp;
struct my_option options;
value->val_int(value, &tmp);
plugin_opt_set_limits(&options, var);
*(int *)save= (int) getopt_ull_limit_value(tmp, &options);
*(int *)save= (int) getopt_ull_limit_value(tmp, &options, &fixed);
if (fixed)
{
char buf[22];
push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN,
ER_TRUNCATED_WRONG_VALUE,
ER(ER_TRUNCATED_WRONG_VALUE), var->name,
ullstr(tmp, buf));
}
return (thd->variables.sql_mode & MODE_STRICT_ALL_TABLES) &&
(*(int *)save != (int) tmp);
}
@ -1887,24 +1896,42 @@ static int check_func_int(THD *thd, struct st_mysql_sys_var *var,
static int check_func_long(THD *thd, struct st_mysql_sys_var *var,
void *save, st_mysql_value *value)
{
bool fixed;
long long tmp;
struct my_option options;
value->val_int(value, &tmp);
plugin_opt_set_limits(&options, var);
*(long *)save= (long) getopt_ull_limit_value(tmp, &options);
*(long *)save= (long) getopt_ull_limit_value(tmp, &options, &fixed);
if (fixed)
{
char buf[22];
push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN,
ER_TRUNCATED_WRONG_VALUE,
ER(ER_TRUNCATED_WRONG_VALUE), var->name,
ullstr(tmp, buf));
}
return (thd->variables.sql_mode & MODE_STRICT_ALL_TABLES) &&
(*(long *)save != (long) tmp);
}
static int check_func_longlong(THD *thd, struct st_mysql_sys_var *var,
void *save, st_mysql_value *value)
void *save, st_mysql_value *value)
{
bool fixed;
long long tmp;
struct my_option options;
value->val_int(value, &tmp);
plugin_opt_set_limits(&options, var);
*(ulonglong *)save= getopt_ull_limit_value(tmp, &options);
*(ulonglong *)save= getopt_ull_limit_value(tmp, &options, &fixed);
if (fixed)
{
char buf[22];
push_warning_printf(thd, MYSQL_ERROR::WARN_LEVEL_WARN,
ER_TRUNCATED_WRONG_VALUE,
ER(ER_TRUNCATED_WRONG_VALUE), var->name,
ullstr(tmp, buf));
}
return (thd->variables.sql_mode & MODE_STRICT_ALL_TABLES) &&
(*(long long *)save != tmp);
}