diff options
Diffstat (limited to 'sql/item_timefunc.cc')
| -rw-r--r-- | sql/item_timefunc.cc | 30 |
1 files changed, 25 insertions, 5 deletions
diff --git a/sql/item_timefunc.cc b/sql/item_timefunc.cc index c17557905bd..0b5392cb0e5 100644 --- a/sql/item_timefunc.cc +++ b/sql/item_timefunc.cc @@ -1,4 +1,5 @@ -/* Copyright (C) 2000-2003 MySQL AB +/* + Copyright (c) 2000, 2011, Oracle and/or its affiliates. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -11,7 +12,8 @@ You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ /** @@ -1526,6 +1528,11 @@ bool Item_func_from_days::get_date(MYSQL_TIME *ltime, uint fuzzy_date) return 1; bzero(ltime, sizeof(MYSQL_TIME)); get_date_from_daynr((long) value, <ime->year, <ime->month, <ime->day); + + if ((null_value= (fuzzy_date & TIME_NO_ZERO_DATE) && + (ltime->year == 0 || ltime->month == 0 || ltime->day == 0))) + return TRUE; + ltime->time_type= MYSQL_TIMESTAMP_DATE; return 0; } @@ -2451,6 +2458,19 @@ String *Item_char_typecast::val_str(String *str) String *res; uint32 length; + if (cast_length >= 0 && + ((unsigned) cast_length) > current_thd->variables.max_allowed_packet) + { + push_warning_printf(current_thd, MYSQL_ERROR::WARN_LEVEL_WARN, + ER_WARN_ALLOWED_PACKET_OVERFLOWED, + ER(ER_WARN_ALLOWED_PACKET_OVERFLOWED), + cast_cs == &my_charset_bin ? + "cast_as_binary" : func_name(), + current_thd->variables.max_allowed_packet); + null_value= 1; + return 0; + } + if (!charset_conversion) { if (!(res= args[0]->val_str(str))) @@ -2633,7 +2653,7 @@ String *Item_time_typecast::val_str(String *str) bool Item_date_typecast::get_date(MYSQL_TIME *ltime, uint fuzzy_date) { - bool res= get_arg0_date(ltime, TIME_FUZZY_DATE); + bool res= get_arg0_date(ltime, fuzzy_date); ltime->hour= ltime->minute= ltime->second= ltime->second_part= 0; ltime->time_type= MYSQL_TIMESTAMP_DATE; return res; @@ -2691,7 +2711,7 @@ String *Item_func_makedate::val_str(String *str) long days; if (args[0]->null_value || args[1]->null_value || - year < 0 || daynr <= 0) + year < 0 || year > 9999 || daynr <= 0) goto err; if (year < 100) @@ -2734,7 +2754,7 @@ longlong Item_func_makedate::val_int() long days; if (args[0]->null_value || args[1]->null_value || - year < 0 || daynr <= 0) + year < 0 || year > 9999 || daynr <= 0) goto err; if (year < 100) |