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MDEV-8336 The meaning of NO_ZERO_DATE is not clear for DATETIME.

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In some cases NO_ZERO_DATE did not allow datetime values with zero date part
and non-zero time part (e.g. '0000-00-00 10:20:30.123456').
Allowing values of this kind in all known pieces of the code.
This commit is contained in:
Alexander Barkov
2015-07-08 19:20:07 +04:00
parent 8154ef4b16
commit 7780370343
3 changed files with 92 additions and 2 deletions
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15
sql/sql_time.h
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@ -143,11 +143,22 @@ extern DATE_TIME_FORMAT global_time_format;
extern KNOWN_DATE_TIME_FORMAT known_date_time_formats[];
extern LEX_STRING interval_type_to_name[];
static inline bool
non_zero_hhmmssuu(const MYSQL_TIME *ltime)
{
return ltime->hour || ltime->minute || ltime->second || ltime->second_part;
}
static inline bool
non_zero_YYMMDD(const MYSQL_TIME *ltime)
{
return ltime->year || ltime->month || ltime->day;
}
static inline bool
non_zero_date(const MYSQL_TIME *ltime)
{
return ltime->year || ltime->month || ltime->day;
return non_zero_YYMMDD(ltime) ||
(ltime->time_type == MYSQL_TIMESTAMP_DATETIME &&
non_zero_hhmmssuu(ltime));
}
static inline bool
check_date(const MYSQL_TIME *ltime, ulonglong flags, int *was_cut)