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Diffstat (limited to 'sql/item_timefunc.cc')
-rw-r--r--sql/item_timefunc.cc46
1 files changed, 20 insertions, 26 deletions
diff --git a/sql/item_timefunc.cc b/sql/item_timefunc.cc
index 3d49305cfd3..ff688e15307 100644
--- a/sql/item_timefunc.cc
+++ b/sql/item_timefunc.cc
@@ -110,7 +110,6 @@ 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;
@@ -290,15 +289,16 @@ static bool extract_date_time(DATE_TIME_FORMAT *format,
for (; ptr != end && val != val_end; ptr++)
{
+ /* Skip pre-space between each argument */
+ while (val != val_end && my_isspace(cs, *val))
+ val++;
+
if (*ptr == '%' && ptr+1 != end)
{
int val_len;
char *tmp;
error= 0;
- /* Skip pre-space between each argument */
- while (val != val_end && my_isspace(cs, *val))
- val++;
val_len= (uint) (val_end - val);
switch (*++ptr) {
@@ -1368,11 +1368,9 @@ bool get_interval_value(Item *args,interval_type int_type,
interval->second= array[0];
interval->second_part= array[1];
break;
- /* purecov: begin deadcode */
- case INTERVAL_LAST:
- DBUG_ASSERT(0);
- break;
- /* purecov: end */
+ case INTERVAL_LAST: /* purecov: begin deadcode */
+ DBUG_ASSERT(0);
+ break; /* purecov: end */
}
return 0;
}
@@ -1394,17 +1392,6 @@ String *Item_date::val_str(String *str)
}
-int Item_date::save_in_field(Field *field, bool no_conversions)
-{
- TIME ltime;
- if (get_date(&ltime, TIME_FUZZY_DATE))
- return set_field_to_null(field);
- field->set_notnull();
- field->store_time(&ltime, MYSQL_TIMESTAMP_DATE);
- return 0;
-}
-
-
longlong Item_date::val_int()
{
DBUG_ASSERT(fixed == 1);
@@ -2199,7 +2186,7 @@ void Item_extract::fix_length_and_dec()
case INTERVAL_HOUR_MICROSECOND: max_length=13; date_value=0; break;
case INTERVAL_MINUTE_MICROSECOND: max_length=11; date_value=0; break;
case INTERVAL_SECOND_MICROSECOND: max_length=9; date_value=0; break;
- case INTERVAL_LAST: DBUG_ASSERT(0); break; /* purecov: deadcode */
+ case INTERVAL_LAST: DBUG_ASSERT(0); break; /* purecov: deadcode */
}
}
@@ -2269,8 +2256,7 @@ longlong Item_extract::val_int()
ltime.second_part)*neg;
case INTERVAL_SECOND_MICROSECOND: return ((longlong)ltime.second*1000000L+
ltime.second_part)*neg;
- case INTERVAL_LAST: DBUG_ASSERT(0); return(0); /* purecov: deadcode */
- /* purecov: end */
+ case INTERVAL_LAST: DBUG_ASSERT(0); break; /* purecov: deadcode */
}
return 0; // Impossible
}
@@ -2385,7 +2371,8 @@ String *Item_char_typecast::val_str(String *str)
{ // Safe even if const arg
char char_type[40];
my_snprintf(char_type, sizeof(char_type), "%s(%lu)",
- cast_cs == &my_charset_bin ? "BINARY" : "CHAR", (ulong) length);
+ cast_cs == &my_charset_bin ? "BINARY" : "CHAR",
+ (ulong) length);
if (!res->alloced_length())
{ // Don't change const str
@@ -3207,7 +3194,9 @@ bool Item_func_str_to_date::get_date(TIME *ltime, uint fuzzy_date)
date_time_format.format.str= (char*) format->ptr();
date_time_format.format.length= format->length();
if (extract_date_time(&date_time_format, val->ptr(), val->length(),
- ltime, cached_timestamp_type, 0, "datetime"))
+ ltime, cached_timestamp_type, 0, "datetime") ||
+ ((fuzzy_date & TIME_NO_ZERO_DATE) &&
+ (ltime->year == 0 || ltime->month == 0 || ltime->day == 0)))
goto null_date;
if (cached_timestamp_type == MYSQL_TIMESTAMP_TIME && ltime->day)
{
@@ -3244,8 +3233,13 @@ String *Item_func_str_to_date::val_str(String *str)
bool Item_func_last_day::get_date(TIME *ltime, uint fuzzy_date)
{
- if (get_arg0_date(ltime, fuzzy_date & ~TIME_FUZZY_DATE))
+ if (get_arg0_date(ltime, fuzzy_date & ~TIME_FUZZY_DATE) ||
+ (ltime->month == 0))
+ {
+ null_value= 1;
return 1;
+ }
+ null_value= 0;
uint month_idx= ltime->month-1;
ltime->day= days_in_month[month_idx];
if ( month_idx == 1 && calc_days_in_year(ltime->year) == 366)