Merge mysql.com:/home/cps/mysql/trees/4.1-runtime-bug9191

into  mysql.com:/home/cps/mysql/trees/5.0-runtime-bug9191


configure.in:
  Auto merged
include/my_time.h:
  Auto merged
mysql-test/r/func_time.result:
  Auto merged
mysql-test/r/timezone2.result:
  Auto merged
mysql-test/t/func_time.test:
  Auto merged
mysql-test/t/timezone2.test:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/time.cc:
  Auto merged
BitKeeper/deleted/.del-acinclude.m4~f4ab416bac5003:
  Auto merged
sql-common/my_time.c:
  manual merge
sql/item_timefunc.cc:
  manual merge
sql/tztime.cc:
  manual merge
This commit is contained in:
unknown 2006-11-01 17:35:35 +03:00
commit b2c40c1698
16 changed files with 358 additions and 68 deletions

View file

@ -38,6 +38,14 @@ typedef long my_time_t;
#define MY_TIME_T_MAX LONG_MAX
#define MY_TIME_T_MIN LONG_MIN
/* Time handling defaults */
#define TIMESTAMP_MAX_YEAR 2038
#define YY_PART_YEAR 70
#define TIMESTAMP_MIN_YEAR (1900 + YY_PART_YEAR - 1)
#define TIMESTAMP_MAX_VALUE INT_MAX32
#define TIMESTAMP_MIN_VALUE 1
#define YY_PART_YEAR 70
/* Flags to str_to_datetime */
@ -68,6 +76,30 @@ uint calc_days_in_year(uint year);
void init_time(void);
/*
Function to check sanity of a TIMESTAMP value
DESCRIPTION
Check if a given MYSQL_TIME value fits in TIMESTAMP range.
This function doesn't make precise check, but rather a rough
estimate.
RETURN VALUES
FALSE The value seems sane
TRUE The MYSQL_TIME value is definitely out of range
*/
static inline bool validate_timestamp_range(const MYSQL_TIME *t)
{
if ((t->year > TIMESTAMP_MAX_YEAR || t->year < TIMESTAMP_MIN_YEAR) ||
(t->year == TIMESTAMP_MAX_YEAR && (t->month > 1 || t->day > 19)) ||
(t->year == TIMESTAMP_MIN_YEAR && (t->month < 12 || t->day < 31)))
return FALSE;
return TRUE;
}
my_time_t
my_system_gmt_sec(const MYSQL_TIME *t, long *my_timezone,
my_bool *in_dst_time_gap);