A fix (Bug #3728: Missing warning in 4.1).

mysql-test/r/type_datetime.result

@@ -35,6 +35,12 @@ Table	Op	Msg_type	Msg_text
 test.t1	check	status	OK
 delete from t1;
 insert into t1 values("000101"),("691231"),("700101"),("991231"),("00000101"),("00010101"),("99991231"),("00101000000"),("691231000000"),("700101000000"),("991231235959"),("10000101000000"),("99991231235959"),("20030102030460"),("20030102036301"),("20030102240401"),("20030132030401"),("20031302030460");
+Warnings:
+Warning	1264	Data truncated, out of range for column 't' at row 14
+Warning	1264	Data truncated, out of range for column 't' at row 15
+Warning	1264	Data truncated, out of range for column 't' at row 16
+Warning	1264	Data truncated, out of range for column 't' at row 17
+Warning	1264	Data truncated, out of range for column 't' at row 18
 select * from t1;
 t
 2000-01-01 00:00:00

sql/field.cc

@@ -3930,6 +3930,11 @@ void Field_newdate::sql_type(String &res) const
 int Field_datetime::store(const char *from,uint len,CHARSET_INFO *cs)
 {
   longlong tmp=str_to_datetime(from,len,1);
+  if (tmp < 0)
+  {
+    set_warning(MYSQL_ERROR::WARN_LEVEL_WARN, ER_WARN_DATA_OUT_OF_RANGE);
+    tmp= 0;
+  }
 #ifdef WORDS_BIGENDIAN
   if (table->db_low_byte_first)
   {

sql/time.cc

@@ -667,7 +667,7 @@ longlong str_to_datetime(const char *str,uint length, uint fuzzy_date)
 {
   TIME l_time;
   if (str_to_TIME(str,length,&l_time,fuzzy_date) <= TIMESTAMP_DATETIME_ERROR)
-    return(0);
+    return -1;
   return (longlong) (l_time.year*LL(10000000000) +
 		     l_time.month*LL(100000000)+
 		     l_time.day*LL(1000000)+