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Merge bk-internal.mysql.com:/home/bk/mysql-4.1-maint 

into  polly.local:/home/kaa/src/maint/m41-maint--07OGk


sql/item_timefunc.cc:
  Auto merged
parents 7d5bc1cb 0e371de9
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Showing with 425 additions and 94 deletions
include/my_time.h
View file @ 282e7350
...@@ -44,12 +44,24 @@ typedef long my_time_t; ...@@ -44,12 +44,24 @@ typedef long my_time_t;
#define TIME_FUZZY_DATE 1 #define TIME_FUZZY_DATE 1
#define TIME_DATETIME_ONLY 2 #define TIME_DATETIME_ONLY 2
#define MYSQL_TIME_WARN_TRUNCATED 1
#define MYSQL_TIME_WARN_OUT_OF_RANGE 2
/* Limits for the TIME data type */
#define TIME_MAX_HOUR 838
#define TIME_MAX_MINUTE 59
#define TIME_MAX_SECOND 59
#define TIME_MAX_VALUE (TIME_MAX_HOUR*10000 + TIME_MAX_MINUTE*100 + \
TIME_MAX_SECOND)
enum enum_mysql_timestamp_type enum enum_mysql_timestamp_type
str_to_datetime(const char *str, uint length, MYSQL_TIME *l_time, str_to_datetime(const char *str, uint length, MYSQL_TIME *l_time,
uint flags, int *was_cut); uint flags, int *was_cut);
bool str_to_time(const char *str,uint length, MYSQL_TIME *l_time, bool str_to_time(const char *str,uint length, MYSQL_TIME *l_time,
int *was_cut); int *warning);
int check_time_range(struct st_mysql_time *time, int *warning);
long calc_daynr(uint year,uint month,uint day); long calc_daynr(uint year,uint month,uint day);
......
mysql-test/r/func_sapdb.result
View file @ 282e7350
...@@ -97,7 +97,9 @@ subtime("02:01:01.999999", "01:01:01.999999") ...@@ -97,7 +97,9 @@ subtime("02:01:01.999999", "01:01:01.999999")
01:00:00.000000 01:00:00.000000
select timediff("1997-01-01 23:59:59.000001","1995-12-31 23:59:59.000002"); select timediff("1997-01-01 23:59:59.000001","1995-12-31 23:59:59.000002");
timediff("1997-01-01 23:59:59.000001","1995-12-31 23:59:59.000002") timediff("1997-01-01 23:59:59.000001","1995-12-31 23:59:59.000002")
8807:59:59.999999 838:59:59
Warnings:
Warning 1292 Truncated incorrect time value: '8807:59:59.999999'
select timediff("1997-12-31 23:59:59.000001","1997-12-30 01:01:01.000002"); select timediff("1997-12-31 23:59:59.000001","1997-12-30 01:01:01.000002");
timediff("1997-12-31 23:59:59.000001","1997-12-30 01:01:01.000002") timediff("1997-12-31 23:59:59.000001","1997-12-30 01:01:01.000002")
46:58:57.999999 46:58:57.999999
...@@ -208,13 +210,16 @@ NULL NULL ...@@ -208,13 +210,16 @@ NULL NULL
SELECT TIMEDIFF(t1,t4) As ttt, TIMEDIFF(t2, t3) As qqq from test; SELECT TIMEDIFF(t1,t4) As ttt, TIMEDIFF(t2, t3) As qqq from test;
ttt qqq ttt qqq
-744:00:00 NULL -744:00:00 NULL
26305:01:02 22:58:58 838:59:59 22:58:58
-26305:01:02 -22:58:58 -838:59:59 -22:58:58
NULL 26:02:02 NULL 26:02:02
00:00:00 -26:02:02 00:00:00 -26:02:02
NULL NULL NULL NULL
NULL NULL NULL NULL
00:00:00 -24:00:00 00:00:00 -24:00:00
Warnings:
Warning 1292 Truncated incorrect time value: '26305:01:02'
Warning 1292 Truncated incorrect time value: '-26305:01:02'
drop table t1, test; drop table t1, test;
select addtime("-01:01:01.01", "-23:59:59.1") as a; select addtime("-01:01:01.01", "-23:59:59.1") as a;
a a
...@@ -224,7 +229,9 @@ a ...@@ -224,7 +229,9 @@ a
10000 10000
select microsecond(19971231235959.01) as a; select microsecond(19971231235959.01) as a;
a a
10000 0
Warnings:
Warning 1292 Truncated incorrect time value: '19971231235959.01'
select date_add("1997-12-31",INTERVAL "10.09" SECOND_MICROSECOND) as a; select date_add("1997-12-31",INTERVAL "10.09" SECOND_MICROSECOND) as a;
a a
1997-12-31 00:00:10.090000 1997-12-31 00:00:10.090000
......
mysql-test/r/func_time.result
View file @ 282e7350
...@@ -330,7 +330,9 @@ extract(DAY_MINUTE FROM "02 10:11:12") ...@@ -330,7 +330,9 @@ extract(DAY_MINUTE FROM "02 10:11:12")
21011 21011
select extract(DAY_SECOND FROM "225 10:11:12"); select extract(DAY_SECOND FROM "225 10:11:12");
extract(DAY_SECOND FROM "225 10:11:12") extract(DAY_SECOND FROM "225 10:11:12")
225101112 8385959
Warnings:
Warning 1292 Truncated incorrect time value: '225 10:11:12'
select extract(HOUR FROM "1999-01-02 10:11:12"); select extract(HOUR FROM "1999-01-02 10:11:12");
extract(HOUR FROM "1999-01-02 10:11:12") extract(HOUR FROM "1999-01-02 10:11:12")
10 10
...@@ -694,6 +696,93 @@ t1 CREATE TABLE `t1` ( ...@@ -694,6 +696,93 @@ t1 CREATE TABLE `t1` (
`from_unixtime(1) + 0` double(23,6) default NULL `from_unixtime(1) + 0` double(23,6) default NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 ) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1; drop table t1;
SELECT SEC_TO_TIME(3300000);
SEC_TO_TIME(3300000)
838:59:59
Warnings:
Warning 1292 Truncated incorrect time value: '3300000'
SELECT SEC_TO_TIME(3300000)+0;
SEC_TO_TIME(3300000)+0
8385959.000000
Warnings:
Warning 1292 Truncated incorrect time value: '3300000'
SELECT SEC_TO_TIME(3600 * 4294967296);
SEC_TO_TIME(3600 * 4294967296)
838:59:59
Warnings:
Warning 1292 Truncated incorrect time value: '15461882265600'
SELECT TIME_TO_SEC('916:40:00');
TIME_TO_SEC('916:40:00')
3020399
Warnings:
Warning 1292 Truncated incorrect time value: '916:40:00'
SELECT ADDTIME('500:00:00', '416:40:00');
ADDTIME('500:00:00', '416:40:00')
838:59:59
Warnings:
Warning 1292 Truncated incorrect time value: '916:40:00'
SELECT ADDTIME('916:40:00', '416:40:00');
ADDTIME('916:40:00', '416:40:00')
838:59:59
Warnings:
Warning 1292 Truncated incorrect time value: '916:40:00'
Warning 1292 Truncated incorrect time value: '1255:39:59'
SELECT SUBTIME('916:40:00', '416:40:00');
SUBTIME('916:40:00', '416:40:00')
422:19:59
Warnings:
Warning 1292 Truncated incorrect time value: '916:40:00'
SELECT SUBTIME('-916:40:00', '416:40:00');
SUBTIME('-916:40:00', '416:40:00')
-838:59:59
Warnings:
Warning 1292 Truncated incorrect time value: '-916:40:00'
Warning 1292 Truncated incorrect time value: '-1255:39:59'
SELECT MAKETIME(916,0,0);
MAKETIME(916,0,0)
838:59:59
Warnings:
Warning 1292 Truncated incorrect time value: '916:00:00'
SELECT MAKETIME(4294967296, 0, 0);
MAKETIME(4294967296, 0, 0)
838:59:59
Warnings:
Warning 1292 Truncated incorrect time value: '4294967296:00:00'
SELECT MAKETIME(-4294967296, 0, 0);
MAKETIME(-4294967296, 0, 0)
-838:59:59
Warnings:
Warning 1292 Truncated incorrect time value: '-4294967296:00:00'
SELECT MAKETIME(0, 4294967296, 0);
MAKETIME(0, 4294967296, 0)
NULL
SELECT MAKETIME(0, 0, 4294967296);
MAKETIME(0, 0, 4294967296)
NULL
SELECT MAKETIME(CAST(-1 AS UNSIGNED), 0, 0);
MAKETIME(CAST(-1 AS UNSIGNED), 0, 0)
838:59:59
Warnings:
Warning 1292 Truncated incorrect time value: '18446744073709551615:00:00'
SELECT EXTRACT(HOUR FROM '100000:02:03');
EXTRACT(HOUR FROM '100000:02:03')
838
Warnings:
Warning 1292 Truncated incorrect time value: '100000:02:03'
CREATE TABLE t1(f1 TIME);
INSERT INTO t1 VALUES('916:00:00 a');
Warnings:
Warning 1265 Data truncated for column 'f1' at row 1
Warning 1264 Data truncated; out of range for column 'f1' at row 1
SELECT * FROM t1;
f1
838:59:59
DROP TABLE t1;
SELECT SEC_TO_TIME(CAST(-1 AS UNSIGNED));
SEC_TO_TIME(CAST(-1 AS UNSIGNED))
838:59:59
Warnings:
Warning 1292 Truncated incorrect time value: '18446744073709551615'
SET NAMES latin1; SET NAMES latin1;
SET character_set_results = NULL; SET character_set_results = NULL;
SHOW VARIABLES LIKE 'character_set_results'; SHOW VARIABLES LIKE 'character_set_results';
......
mysql-test/t/func_time.test
View file @ 282e7350
...@@ -369,6 +369,47 @@ show create table t1; ...@@ -369,6 +369,47 @@ show create table t1;
drop table t1; drop table t1;
# #
# Bug #11655: Wrong time is returning from nested selects - maximum time exists
#
# check if SEC_TO_TIME() handles out-of-range values correctly
SELECT SEC_TO_TIME(3300000);
SELECT SEC_TO_TIME(3300000)+0;
SELECT SEC_TO_TIME(3600 * 4294967296);
# check if TIME_TO_SEC() handles out-of-range values correctly
SELECT TIME_TO_SEC('916:40:00');
# check if ADDTIME() handles out-of-range values correctly
SELECT ADDTIME('500:00:00', '416:40:00');
SELECT ADDTIME('916:40:00', '416:40:00');
# check if SUBTIME() handles out-of-range values correctly
SELECT SUBTIME('916:40:00', '416:40:00');
SELECT SUBTIME('-916:40:00', '416:40:00');
# check if MAKETIME() handles out-of-range values correctly
SELECT MAKETIME(916,0,0);
SELECT MAKETIME(4294967296, 0, 0);
SELECT MAKETIME(-4294967296, 0, 0);
SELECT MAKETIME(0, 4294967296, 0);
SELECT MAKETIME(0, 0, 4294967296);
SELECT MAKETIME(CAST(-1 AS UNSIGNED), 0, 0);
# check if EXTRACT() handles out-of-range values correctly
SELECT EXTRACT(HOUR FROM '100000:02:03');
# check if we get proper warnings if both input string truncation
# and out-of-range value occur
CREATE TABLE t1(f1 TIME);
INSERT INTO t1 VALUES('916:00:00 a');
SELECT * FROM t1;
DROP TABLE t1;
#
# Bug #20927: sec_to_time treats big unsigned as signed
#
# check if SEC_TO_TIME() handles BIGINT UNSIGNED values correctly
SELECT SEC_TO_TIME(CAST(-1 AS UNSIGNED));
# 21913: DATE_FORMAT() Crashes mysql server if I use it through # 21913: DATE_FORMAT() Crashes mysql server if I use it through
# mysql-connector-j driver. # mysql-connector-j driver.
# #
......
sql-common/my_time.c
View file @ 282e7350
...@@ -402,8 +402,10 @@ str_to_datetime(const char *str, uint length, MYSQL_TIME *l_time, ...@@ -402,8 +402,10 @@ str_to_datetime(const char *str, uint length, MYSQL_TIME *l_time,
There may be an optional [.second_part] after seconds There may be an optional [.second_part] after seconds
length Length of str length Length of str
l_time Store result here l_time Store result here
was_cut Set to 1 if value was cut during conversion or to 0 warning Set MYSQL_TIME_WARN_TRUNCATED flag if the input string
otherwise. was cut during conversion, and/or
MYSQL_TIME_WARN_OUT_OF_RANGE flag, if the value is
out of range.
NOTES NOTES
Because of the extra days argument, this function can only Because of the extra days argument, this function can only
...@@ -414,16 +416,16 @@ str_to_datetime(const char *str, uint length, MYSQL_TIME *l_time, ...@@ -414,16 +416,16 @@ str_to_datetime(const char *str, uint length, MYSQL_TIME *l_time,
1 error 1 error
*/ */
bool str_to_time(const char *str, uint length, MYSQL_TIME *l_time, bool str_to_time(const char *str, uint length, MYSQL_TIME *l_time, int *warning)
int *was_cut)
{ {
long date[5],value; ulong date[5];
ulonglong value;
const char *end=str+length, *end_of_days; const char *end=str+length, *end_of_days;
bool found_days,found_hours; bool found_days,found_hours;
uint state; uint state;
l_time->neg=0; l_time->neg=0;
*was_cut= 0; *warning= 0;
for (; str != end && my_isspace(&my_charset_latin1,*str) ; str++) for (; str != end && my_isspace(&my_charset_latin1,*str) ; str++)
length--; length--;
if (str != end && *str == '-') if (str != end && *str == '-')
...@@ -438,13 +440,16 @@ bool str_to_time(const char *str, uint length, MYSQL_TIME *l_time, ...@@ -438,13 +440,16 @@ bool str_to_time(const char *str, uint length, MYSQL_TIME *l_time,
/* Check first if this is a full TIMESTAMP */ /* Check first if this is a full TIMESTAMP */
if (length >= 12) if (length >= 12)
{ /* Probably full timestamp */ { /* Probably full timestamp */
int was_cut;
enum enum_mysql_timestamp_type enum enum_mysql_timestamp_type
res= str_to_datetime(str, length, l_time, res= str_to_datetime(str, length, l_time,
(TIME_FUZZY_DATE | TIME_DATETIME_ONLY), was_cut); (TIME_FUZZY_DATE | TIME_DATETIME_ONLY), &was_cut);
if ((int) res >= (int) MYSQL_TIMESTAMP_ERROR) if ((int) res >= (int) MYSQL_TIMESTAMP_ERROR)
{
if (was_cut)
*warning|= MYSQL_TIME_WARN_TRUNCATED;
return res == MYSQL_TIMESTAMP_ERROR; return res == MYSQL_TIMESTAMP_ERROR;
/* We need to restore was_cut flag since str_to_datetime can modify it */ }
*was_cut= 0;
} }
/* Not a timestamp. Try to get this as a DAYS_TO_SECOND string */ /* Not a timestamp. Try to get this as a DAYS_TO_SECOND string */
...@@ -524,7 +529,7 @@ bool str_to_time(const char *str, uint length, MYSQL_TIME *l_time, ...@@ -524,7 +529,7 @@ bool str_to_time(const char *str, uint length, MYSQL_TIME *l_time,
if (field_length > 0) if (field_length > 0)
value*= (long) log_10_int[field_length]; value*= (long) log_10_int[field_length];
else if (field_length < 0) else if (field_length < 0)
*was_cut= 1; *warning|= MYSQL_TIME_WARN_TRUNCATED;
date[4]=value; date[4]=value;
} }
else else
...@@ -538,10 +543,7 @@ bool str_to_time(const char *str, uint length, MYSQL_TIME *l_time, ...@@ -538,10 +543,7 @@ bool str_to_time(const char *str, uint length, MYSQL_TIME *l_time,
((str[1] == '-' || str[1] == '+') && ((str[1] == '-' || str[1] == '+') &&
(end - str) > 2 && (end - str) > 2 &&
my_isdigit(&my_charset_latin1, str[2])))) my_isdigit(&my_charset_latin1, str[2]))))
{
*was_cut= 1;
return 1; return 1;
}
if (internal_format_positions[7] != 255) if (internal_format_positions[7] != 255)
{ {
...@@ -560,12 +562,12 @@ bool str_to_time(const char *str, uint length, MYSQL_TIME *l_time, ...@@ -560,12 +562,12 @@ bool str_to_time(const char *str, uint length, MYSQL_TIME *l_time,
} }
} }
/* Some simple checks */ /* Integer overflow checks */
if (date[2] >= 60 || date[3] >= 60) if (date[0] > UINT_MAX || date[1] > UINT_MAX ||
{ date[2] > UINT_MAX || date[3] > UINT_MAX ||
*was_cut= 1; date[4] > UINT_MAX)
return 1; return 1;
}
l_time->year= 0; /* For protocol::store_time */ l_time->year= 0; /* For protocol::store_time */
l_time->month= 0; l_time->month= 0;
l_time->day= date[0]; l_time->day= date[0];
...@@ -575,6 +577,10 @@ bool str_to_time(const char *str, uint length, MYSQL_TIME *l_time, ...@@ -575,6 +577,10 @@ bool str_to_time(const char *str, uint length, MYSQL_TIME *l_time,
l_time->second_part= date[4]; l_time->second_part= date[4];
l_time->time_type= MYSQL_TIMESTAMP_TIME; l_time->time_type= MYSQL_TIMESTAMP_TIME;
/* Check if the value is valid and fits into TIME range */
if (check_time_range(l_time, warning))
return 1;
/* Check if there is garbage at end of the TIME specification */ /* Check if there is garbage at end of the TIME specification */
if (str != end) if (str != end)
{ {
...@@ -582,7 +588,7 @@ bool str_to_time(const char *str, uint length, MYSQL_TIME *l_time, ...@@ -582,7 +588,7 @@ bool str_to_time(const char *str, uint length, MYSQL_TIME *l_time,
{ {
if (!my_isspace(&my_charset_latin1,*str)) if (!my_isspace(&my_charset_latin1,*str))
{ {
*was_cut= 1; *warning|= MYSQL_TIME_WARN_TRUNCATED;
break; break;
} }
} while (++str != end); } while (++str != end);
...@@ -591,6 +597,47 @@ bool str_to_time(const char *str, uint length, MYSQL_TIME *l_time, ...@@ -591,6 +597,47 @@ bool str_to_time(const char *str, uint length, MYSQL_TIME *l_time,
} }
/*
Check 'time' value to lie in the TIME range
SYNOPSIS:
check_time_range()
time pointer to TIME value
warning set MYSQL_TIME_WARN_OUT_OF_RANGE flag if the value is out of range
DESCRIPTION
If the time value lies outside of the range [-838:59:59, 838:59:59],
set it to the closest endpoint of the range and set
MYSQL_TIME_WARN_OUT_OF_RANGE flag in the 'warning' variable.
RETURN
0 time value is valid, but was possibly truncated
1 time value is invalid
*/
int check_time_range(struct st_mysql_time *time, int *warning)
{
longlong hour;
if (time->minute >= 60 || time->second >= 60)
return 1;
hour= time->hour + (24*time->day);
if (hour <= TIME_MAX_HOUR &&
(hour != TIME_MAX_HOUR || time->minute != TIME_MAX_MINUTE ||
time->second != TIME_MAX_SECOND || !time->second_part))
return 0;
time->day= 0;
time->hour= TIME_MAX_HOUR;
time->minute= TIME_MAX_MINUTE;
time->second= TIME_MAX_SECOND;
time->second_part= 0;
*warning|= MYSQL_TIME_WARN_OUT_OF_RANGE;
return 0;
}
/* /*
Prepare offset of system time zone from UTC for my_system_gmt_sec() func. Prepare offset of system time zone from UTC for my_system_gmt_sec() func.
...@@ -776,7 +823,7 @@ void set_zero_time(MYSQL_TIME *tm, enum enum_mysql_timestamp_type time_type) ...@@ -776,7 +823,7 @@ void set_zero_time(MYSQL_TIME *tm, enum enum_mysql_timestamp_type time_type)
int my_time_to_str(const MYSQL_TIME *l_time, char *to) int my_time_to_str(const MYSQL_TIME *l_time, char *to)
{ {
uint extra_hours= 0; uint extra_hours= 0;
return my_sprintf(to, (to, "%s%02d:%02d:%02d", return my_sprintf(to, (to, "%s%02u:%02u:%02u",
(l_time->neg ? "-" : ""), (l_time->neg ? "-" : ""),
extra_hours+ l_time->hour, extra_hours+ l_time->hour,
l_time->minute, l_time->minute,
...@@ -785,7 +832,7 @@ int my_time_to_str(const MYSQL_TIME *l_time, char *to) ...@@ -785,7 +832,7 @@ int my_time_to_str(const MYSQL_TIME *l_time, char *to)
int my_date_to_str(const MYSQL_TIME *l_time, char *to) int my_date_to_str(const MYSQL_TIME *l_time, char *to)
{ {
return my_sprintf(to, (to, "%04d-%02d-%02d", return my_sprintf(to, (to, "%04u-%02u-%02u",
l_time->year, l_time->year,
l_time->month, l_time->month,
l_time->day)); l_time->day));
...@@ -793,7 +840,7 @@ int my_date_to_str(const MYSQL_TIME *l_time, char *to) ...@@ -793,7 +840,7 @@ int my_date_to_str(const MYSQL_TIME *l_time, char *to)
int my_datetime_to_str(const MYSQL_TIME *l_time, char *to) int my_datetime_to_str(const MYSQL_TIME *l_time, char *to)
{ {
return my_sprintf(to, (to, "%04d-%02d-%02d %02d:%02d:%02d", return my_sprintf(to, (to, "%04u-%02u-%02u %02u:%02u:%02u",
l_time->year, l_time->year,
l_time->month, l_time->month,
l_time->day, l_time->day,
......
sql/field.cc
View file @ 282e7350
...@@ -3961,9 +3961,10 @@ int Field_time::store(const char *from,uint len,CHARSET_INFO *cs) ...@@ -3961,9 +3961,10 @@ int Field_time::store(const char *from,uint len,CHARSET_INFO *cs)
{ {
TIME ltime; TIME ltime;
long tmp; long tmp;
int error; int error= 0;
int warning;
if (str_to_time(from, len, &ltime, &error)) if (str_to_time(from, len, &ltime, &warning))
{ {
tmp=0L; tmp=0L;
error= 2; error= 2;
...@@ -3972,29 +3973,27 @@ int Field_time::store(const char *from,uint len,CHARSET_INFO *cs) ...@@ -3972,29 +3973,27 @@ int Field_time::store(const char *from,uint len,CHARSET_INFO *cs)
} }
else else
{ {
if (error) if (warning & MYSQL_TIME_WARN_TRUNCATED)
set_datetime_warning(MYSQL_ERROR::WARN_LEVEL_WARN, set_datetime_warning(MYSQL_ERROR::WARN_LEVEL_WARN,
ER_WARN_DATA_TRUNCATED, ER_WARN_DATA_TRUNCATED,
from, len, MYSQL_TIMESTAMP_TIME, 1); from, len, MYSQL_TIMESTAMP_TIME, 1);
if (warning & MYSQL_TIME_WARN_OUT_OF_RANGE)
if (ltime.month)
ltime.day=0;
tmp=(ltime.day*24L+ltime.hour)*10000L+(ltime.minute*100+ltime.second);
if (tmp > 8385959)
{ {
tmp=8385959;
set_datetime_warning(MYSQL_ERROR::WARN_LEVEL_WARN, set_datetime_warning(MYSQL_ERROR::WARN_LEVEL_WARN,
ER_WARN_DATA_OUT_OF_RANGE, ER_WARN_DATA_OUT_OF_RANGE,
from, len, MYSQL_TIMESTAMP_TIME, !error); from, len, MYSQL_TIMESTAMP_TIME, !error);
error= 1; error= 1;
} }
if (ltime.month)
ltime.day=0;
tmp=(ltime.day*24L+ltime.hour)*10000L+(ltime.minute*100+ltime.second);
if (error > 1) if (error > 1)
error= 2; error= 2;
} }
if (ltime.neg) if (ltime.neg)
tmp= -tmp; tmp= -tmp;
error |= Field_time::store((longlong) tmp); int3store(ptr,tmp);
return error; return error;
} }
...@@ -4003,16 +4002,16 @@ int Field_time::store(double nr) ...@@ -4003,16 +4002,16 @@ int Field_time::store(double nr)
{ {
long tmp; long tmp;
int error= 0; int error= 0;
if (nr > 8385959.0) if (nr > (double)TIME_MAX_VALUE)
{ {
tmp=8385959L; tmp= TIME_MAX_VALUE;
set_datetime_warning(MYSQL_ERROR::WARN_LEVEL_WARN, set_datetime_warning(MYSQL_ERROR::WARN_LEVEL_WARN,
ER_WARN_DATA_OUT_OF_RANGE, nr, MYSQL_TIMESTAMP_TIME); ER_WARN_DATA_OUT_OF_RANGE, nr, MYSQL_TIMESTAMP_TIME);
error= 1; error= 1;
} }
else if (nr < -8385959.0) else if (nr < (double)-TIME_MAX_VALUE)
{ {
tmp= -8385959L; tmp= -TIME_MAX_VALUE;
set_datetime_warning(MYSQL_ERROR::WARN_LEVEL_WARN, set_datetime_warning(MYSQL_ERROR::WARN_LEVEL_WARN,
ER_WARN_DATA_OUT_OF_RANGE, nr, MYSQL_TIMESTAMP_TIME); ER_WARN_DATA_OUT_OF_RANGE, nr, MYSQL_TIMESTAMP_TIME);
error= 1; error= 1;
...@@ -4040,17 +4039,17 @@ int Field_time::store(longlong nr) ...@@ -4040,17 +4039,17 @@ int Field_time::store(longlong nr)
{ {
long tmp; long tmp;
int error= 0; int error= 0;
if (nr > (longlong) 8385959L) if (nr > (longlong) TIME_MAX_VALUE)
{ {
tmp=8385959L; tmp= TIME_MAX_VALUE;
set_datetime_warning(MYSQL_ERROR::WARN_LEVEL_WARN, set_datetime_warning(MYSQL_ERROR::WARN_LEVEL_WARN,
ER_WARN_DATA_OUT_OF_RANGE, nr, ER_WARN_DATA_OUT_OF_RANGE, nr,
MYSQL_TIMESTAMP_TIME, 1); MYSQL_TIMESTAMP_TIME, 1);
error= 1; error= 1;
} }
else if (nr < (longlong) -8385959L) else if (nr < (longlong) -TIME_MAX_VALUE)
{ {
tmp= -8385959L; tmp= -TIME_MAX_VALUE;
set_datetime_warning(MYSQL_ERROR::WARN_LEVEL_WARN, set_datetime_warning(MYSQL_ERROR::WARN_LEVEL_WARN,
ER_WARN_DATA_OUT_OF_RANGE, nr, ER_WARN_DATA_OUT_OF_RANGE, nr,
MYSQL_TIMESTAMP_TIME, 1); MYSQL_TIMESTAMP_TIME, 1);
......
sql/item_timefunc.cc
View file @ 282e7350
...@@ -95,6 +95,124 @@ static bool make_datetime(date_time_format_types format, TIME *ltime, ...@@ -95,6 +95,124 @@ static bool make_datetime(date_time_format_types format, TIME *ltime,
} }
/*
Wrapper over make_datetime() with validation of the input TIME value
NOTE
see make_datetime() for more information
RETURN
1 if there was an error during converion
0 otherwise
*/
static bool make_datetime_with_warn(date_time_format_types format, TIME *ltime,
String *str)
{
int warning= 0;
bool rc;
if (make_datetime(format, ltime, str))
return 1;
if (check_time_range(ltime, &warning))
return 1;
if (!warning)
return 0;
make_truncated_value_warning(current_thd, str->ptr(), str->length(),
MYSQL_TIMESTAMP_TIME);
return make_datetime(format, ltime, str);
}
/*
Wrapper over make_time() with validation of the input TIME value
NOTE
see make_time() for more info
RETURN
1 if there was an error during conversion
0 otherwise
*/
static bool make_time_with_warn(const DATE_TIME_FORMAT *format,
TIME *l_time, String *str)
{
int warning= 0;
make_time(format, l_time, str);
if (check_time_range(l_time, &warning))
return 1;
if (warning)
{
make_truncated_value_warning(current_thd, str->ptr(), str->length(),
MYSQL_TIMESTAMP_TIME);
make_time(format, l_time, str);
}
return 0;
}
/*
Convert seconds to TIME value with overflow checking
SYNOPSIS:
sec_to_time()
seconds number of seconds
unsigned_flag 1, if 'seconds' is unsigned, 0, otherwise
ltime output TIME value
DESCRIPTION
If the 'seconds' argument is inside TIME data range, convert it to a
corresponding value.
Otherwise, truncate the resulting value to the nearest endpoint, and
produce a warning message.
RETURN
1 if the value was truncated during conversion
0 otherwise
*/
static bool sec_to_time(longlong seconds, bool unsigned_flag, TIME *ltime)
{
uint sec;
bzero((char *)ltime, sizeof(*ltime));
if (seconds < 0)
{
if (unsigned_flag)
goto overflow;
ltime->neg= 1;
if (seconds < -3020399)
goto overflow;
seconds= -seconds;
}
else if (seconds > 3020399)
goto overflow;
sec= (uint) ((ulonglong) seconds % 3600);
ltime->hour= (uint) (seconds/3600);
ltime->minute= sec/60;
ltime->second= sec % 60;
return 0;
overflow:
ltime->hour= TIME_MAX_HOUR;
ltime->minute= TIME_MAX_MINUTE;
ltime->second= TIME_MAX_SECOND;
char buf[22];
int len= (int)(longlong10_to_str(seconds, buf, unsigned_flag ? 10 : -10)
- buf);
make_truncated_value_warning(current_thd, buf, len, MYSQL_TIMESTAMP_TIME);
return 1;
}
/* /*
Date formats corresponding to compound %r and %T conversion specifiers Date formats corresponding to compound %r and %T conversion specifiers
...@@ -1488,8 +1606,6 @@ int Item_func_now::save_in_field(Field *to, bool no_conversions) ...@@ -1488,8 +1606,6 @@ int Item_func_now::save_in_field(Field *to, bool no_conversions)
String *Item_func_sec_to_time::val_str(String *str) String *Item_func_sec_to_time::val_str(String *str)
{ {
DBUG_ASSERT(fixed == 1); DBUG_ASSERT(fixed == 1);
longlong seconds=(longlong) args[0]->val_int();
uint sec;
TIME ltime; TIME ltime;
if ((null_value=args[0]->null_value) || str->alloc(19)) if ((null_value=args[0]->null_value) || str->alloc(19))
...@@ -1498,19 +1614,8 @@ String *Item_func_sec_to_time::val_str(String *str) ...@@ -1498,19 +1614,8 @@ String *Item_func_sec_to_time::val_str(String *str)
return (String*) 0; return (String*) 0;
} }
ltime.neg= 0; sec_to_time(args[0]->val_int(), args[0]->unsigned_flag, &ltime);
if (seconds < 0)
{
seconds= -seconds;
ltime.neg= 1;
}
sec= (uint) ((ulonglong) seconds % 3600);
ltime.day= 0;
ltime.hour= (uint) (seconds/3600);
ltime.minute= sec/60;
ltime.second= sec % 60;
make_time((DATE_TIME_FORMAT *) 0, &ltime, str); make_time((DATE_TIME_FORMAT *) 0, &ltime, str);
return str; return str;
} }
...@@ -1519,16 +1624,15 @@ String *Item_func_sec_to_time::val_str(String *str) ...@@ -1519,16 +1624,15 @@ String *Item_func_sec_to_time::val_str(String *str)
longlong Item_func_sec_to_time::val_int() longlong Item_func_sec_to_time::val_int()
{ {
DBUG_ASSERT(fixed == 1); DBUG_ASSERT(fixed == 1);
longlong seconds=args[0]->val_int(); TIME ltime;
longlong sign=1;
if ((null_value=args[0]->null_value)) if ((null_value=args[0]->null_value))
return 0; return 0;
if (seconds < 0)
{ sec_to_time(args[0]->val_int(), args[0]->unsigned_flag, &ltime);
seconds= -seconds;
sign= -1; return (ltime.neg ? -1 : 1) *
} ((ltime.hour)*10000 + ltime.minute*100 + ltime.second);
return sign*((seconds / 3600)*10000+((seconds/60) % 60)*100+ (seconds % 60));
} }
...@@ -2534,7 +2638,9 @@ String *Item_func_add_time::val_str(String *str) ...@@ -2534,7 +2638,9 @@ String *Item_func_add_time::val_str(String *str)
} }
if (l_time1.neg != l_time2.neg) if (l_time1.neg != l_time2.neg)
l_sign= -l_sign; l_sign= -l_sign;
bzero((char *)&l_time3, sizeof(l_time3));
l_time3.neg= calc_time_diff(&l_time1, &l_time2, -l_sign, l_time3.neg= calc_time_diff(&l_time1, &l_time2, -l_sign,
&seconds, &microseconds); &seconds, &microseconds);
...@@ -2563,9 +2669,9 @@ String *Item_func_add_time::val_str(String *str) ...@@ -2563,9 +2669,9 @@ String *Item_func_add_time::val_str(String *str)
} }
l_time3.hour+= days*24; l_time3.hour+= days*24;
if (!make_datetime(l_time1.second_part || l_time2.second_part ? if (!make_datetime_with_warn(l_time1.second_part || l_time2.second_part ?
TIME_MICROSECOND : TIME_ONLY, TIME_MICROSECOND : TIME_ONLY,
&l_time3, str)) &l_time3, str))
return str; return str;
null_date: null_date:
...@@ -2620,6 +2726,8 @@ String *Item_func_timediff::val_str(String *str) ...@@ -2620,6 +2726,8 @@ String *Item_func_timediff::val_str(String *str)
if (l_time1.neg != l_time2.neg) if (l_time1.neg != l_time2.neg)
l_sign= -l_sign; l_sign= -l_sign;
bzero((char *)&l_time3, sizeof(l_time3));
l_time3.neg= calc_time_diff(&l_time1, &l_time2, l_sign, l_time3.neg= calc_time_diff(&l_time1, &l_time2, l_sign,
&seconds, &microseconds); &seconds, &microseconds);
...@@ -2633,9 +2741,9 @@ String *Item_func_timediff::val_str(String *str) ...@@ -2633,9 +2741,9 @@ String *Item_func_timediff::val_str(String *str)
calc_time_from_sec(&l_time3, (long) seconds, microseconds); calc_time_from_sec(&l_time3, (long) seconds, microseconds);
if (!make_datetime(l_time1.second_part || l_time2.second_part ? if (!make_datetime_with_warn(l_time1.second_part || l_time2.second_part ?
TIME_MICROSECOND : TIME_ONLY, TIME_MICROSECOND : TIME_ONLY,
&l_time3, str)) &l_time3, str))
return str; return str;
null_date: null_date:
...@@ -2653,29 +2761,57 @@ String *Item_func_maketime::val_str(String *str) ...@@ -2653,29 +2761,57 @@ String *Item_func_maketime::val_str(String *str)
{ {
DBUG_ASSERT(fixed == 1); DBUG_ASSERT(fixed == 1);
TIME ltime; TIME ltime;
bool overflow= 0;
long hour= (long) args[0]->val_int(); longlong hour= args[0]->val_int();
long minute= (long) args[1]->val_int(); longlong minute= args[1]->val_int();
long second= (long) args[2]->val_int(); longlong second= args[2]->val_int();
if ((null_value=(args[0]->null_value || if ((null_value=(args[0]->null_value ||
args[1]->null_value || args[1]->null_value ||
args[2]->null_value || args[2]->null_value ||
minute > 59 || minute < 0 || minute < 0 || minute > 59 ||
second > 59 || second < 0 || second < 0 || second > 59 ||
str->alloc(19)))) str->alloc(19))))
return 0; return 0;
bzero((char *)&ltime, sizeof(ltime));
ltime.neg= 0; ltime.neg= 0;
/* Check for integer overflows */
if (hour < 0) if (hour < 0)
{ {
ltime.neg= 1; if (args[0]->unsigned_flag)
hour= -hour; overflow= 1;
else
ltime.neg= 1;
}
if (-hour > UINT_MAX || hour > UINT_MAX)
overflow= 1;
if (!overflow)
{
ltime.hour= (uint) ((hour < 0 ? -hour : hour));
ltime.minute= (uint) minute;
ltime.second= (uint) second;
}
else
{
ltime.hour= TIME_MAX_HOUR;
ltime.minute= TIME_MAX_MINUTE;
ltime.second= TIME_MAX_SECOND;
char buf[28];
char *ptr= longlong10_to_str(hour, buf, args[0]->unsigned_flag ? 10 : -10);
int len = (int)(ptr - buf) +
my_sprintf(ptr, (ptr, ":%02u:%02u", (uint)minute, (uint)second));
make_truncated_value_warning(current_thd, buf, len, MYSQL_TIMESTAMP_TIME);
}
if (make_time_with_warn((DATE_TIME_FORMAT *) 0, &ltime, str))
{
null_value= 1;
return 0;
} }
ltime.hour= (ulong) hour;
ltime.minute= (ulong) minute;
ltime.second= (ulong) second;
make_time((DATE_TIME_FORMAT *) 0, &ltime, str);
return str; return str;
} }
...@@ -2881,7 +3017,7 @@ bool Item_func_str_to_date::get_date(TIME *ltime, uint fuzzy_date) ...@@ -2881,7 +3017,7 @@ bool Item_func_str_to_date::get_date(TIME *ltime, uint fuzzy_date)
goto null_date; goto null_date;
null_value= 0; null_value= 0;
bzero((char*) ltime, sizeof(ltime)); bzero((char*) ltime, sizeof(*ltime));
date_time_format.format.str= (char*) format->ptr(); date_time_format.format.str= (char*) format->ptr();
date_time_format.format.length= format->length(); date_time_format.format.length= format->length();
if (extract_date_time(&date_time_format, val->ptr(), val->length(), if (extract_date_time(&date_time_format, val->ptr(), val->length(),
......
sql/time.cc
View file @ 282e7350
...@@ -255,9 +255,9 @@ my_time_t TIME_to_timestamp(THD *thd, const TIME *t, bool *in_dst_time_gap) ...@@ -255,9 +255,9 @@ my_time_t TIME_to_timestamp(THD *thd, const TIME *t, bool *in_dst_time_gap)
bool bool
str_to_time_with_warn(const char *str, uint length, TIME *l_time) str_to_time_with_warn(const char *str, uint length, TIME *l_time)
{ {
int was_cut; int warning;
bool ret_val= str_to_time(str, length, l_time, &was_cut); bool ret_val= str_to_time(str, length, l_time, &warning);
if (was_cut) if (ret_val || warning)
make_truncated_value_warning(current_thd, str, length, MYSQL_TIMESTAMP_TIME); make_truncated_value_warning(current_thd, str, length, MYSQL_TIMESTAMP_TIME);
return ret_val; return ret_val;
} }
......
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