diff options
Diffstat (limited to 'sql/item_timefunc.cc')
-rw-r--r-- | sql/item_timefunc.cc | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/sql/item_timefunc.cc b/sql/item_timefunc.cc index 76ab70cca96..ff688e15307 100644 --- a/sql/item_timefunc.cc +++ b/sql/item_timefunc.cc @@ -289,15 +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) { @@ -3193,7 +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) { @@ -3230,8 +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) |