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bugfix: TIME_FORMAT() allowed some non-time format specifiers

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it contradicted the manual and was inconsistent
This commit is contained in:
Sergei Golubchik
2017-09-12 18:31:12 +02:00
parent 3878baddf1
commit 3e5cdfae93
5 changed files with 44 additions and 8 deletions
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15
mysql-test/r/date_formats.result
View File

@ -558,3 +558,18 @@ SET NAMES latin1;
#
# End of 5.1 tests
#
select time_format('2001-01-01 02:02:02', '%d.%m.%Y');
time_format('2001-01-01 02:02:02', '%d.%m.%Y')
NULL
select time_format('2001-01-01 02:02:02', '%d %T');
time_format('2001-01-01 02:02:02', '%d %T')
NULL
select time_format('01 02:02:02', '%d %T');
time_format('01 02:02:02', '%d %T')
NULL
select time_format('01 02:02:02', '%T');
time_format('01 02:02:02', '%T')
26:02:02
select time_format('2001-01-01 02:02:02', '%T');
time_format('2001-01-01 02:02:02', '%T')
02:02:02

8
mysql-test/suite/vcol/r/vcol_supported_sql_funcs.result
View File

@ -2911,16 +2911,16 @@ drop table t1;
set sql_warnings = 0;
# TIME_FORMAT()
set sql_warnings = 1;
create table t1 (a datetime, b varchar(10) as (time_format(a,"%d.%m.%Y")));
create table t1 (a datetime, b varchar(10) as (time_format(a,"%H.%i.%S")));
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` datetime DEFAULT NULL,
`b` varchar(10) GENERATED ALWAYS AS (time_format(`a`,'%d.%m.%Y')) VIRTUAL
`b` varchar(10) GENERATED ALWAYS AS (time_format(`a`,'%H.%i.%S')) VIRTUAL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('2001-01-01 02:02:02',default);
insert into t1 values ('2001-01-01 02:03:04',default);
select * from t1;
a b
2001-01-01 02:02:02 01.01.2001
2001-01-01 02:03:04 02.03.04
drop table t1;
set sql_warnings = 0;

4
mysql-test/suite/vcol/t/vcol_supported_sql_funcs_main.inc
View File

@ -1204,8 +1204,8 @@ let $rows = 1;
--source suite/vcol/inc/vcol_supported_sql_funcs.inc
--echo # TIME_FORMAT()
let $cols = a datetime, b varchar(10) as (time_format(a,"%d.%m.%Y"));
let $values1 = '2001-01-01 02:02:02',default;
let $cols = a datetime, b varchar(10) as (time_format(a,"%H.%i.%S"));
let $values1 = '2001-01-01 02:03:04',default;
let $rows = 1;
--source suite/vcol/inc/vcol_supported_sql_funcs.inc

9
mysql-test/t/date_formats.test
View File

@ -366,3 +366,12 @@ SET NAMES latin1;
--echo #
--echo # End of 5.1 tests
--echo #
#
# TIME_FORMAT and non-time format specifiers
#
select time_format('2001-01-01 02:02:02', '%d.%m.%Y');
select time_format('2001-01-01 02:02:02', '%d %T');
select time_format('01 02:02:02', '%d %T');
select time_format('01 02:02:02', '%T');
select time_format('2001-01-01 02:02:02', '%T');

16
sql/item_timefunc.cc
View File

@ -477,14 +477,14 @@ static bool make_date_time(DATE_TIME_FORMAT *format, MYSQL_TIME *l_time,
{
switch (*++ptr) {
case 'M':
if (!l_time->month)
if (type == MYSQL_TIMESTAMP_TIME || !l_time->month)
return 1;
str->append(locale->month_names->type_names[l_time->month-1],
(uint) strlen(locale->month_names->type_names[l_time->month-1]),
system_charset_info);
break;
case 'b':
if (!l_time->month)
if (type == MYSQL_TIMESTAMP_TIME || !l_time->month)
return 1;
str->append(locale->ab_month_names->type_names[l_time->month-1],
(uint) strlen(locale->ab_month_names->type_names[l_time->month-1]),
@ -534,26 +534,38 @@ static bool make_date_time(DATE_TIME_FORMAT *format, MYSQL_TIME *l_time,
}
break;
case 'Y':
if (type == MYSQL_TIMESTAMP_TIME)
return 1;
length= (uint) (int10_to_str(l_time->year, intbuff, 10) - intbuff);
str->append_with_prefill(intbuff, length, 4, '0');
break;
case 'y':
if (type == MYSQL_TIMESTAMP_TIME)
return 1;
length= (uint) (int10_to_str(l_time->year%100, intbuff, 10) - intbuff);
str->append_with_prefill(intbuff, length, 2, '0');
break;
case 'm':
if (type == MYSQL_TIMESTAMP_TIME)
return 1;
length= (uint) (int10_to_str(l_time->month, intbuff, 10) - intbuff);
str->append_with_prefill(intbuff, length, 2, '0');
break;
case 'c':
if (type == MYSQL_TIMESTAMP_TIME)
return 1;
length= (uint) (int10_to_str(l_time->month, intbuff, 10) - intbuff);
str->append_with_prefill(intbuff, length, 1, '0');
break;
case 'd':
if (type == MYSQL_TIMESTAMP_TIME)
return 1;
length= (uint) (int10_to_str(l_time->day, intbuff, 10) - intbuff);
str->append_with_prefill(intbuff, length, 2, '0');
break;
case 'e':
if (type == MYSQL_TIMESTAMP_TIME)
return 1;
length= (uint) (int10_to_str(l_time->day, intbuff, 10) - intbuff);
str->append_with_prefill(intbuff, length, 1, '0');
break;