Internal commit

mysql-test/r/func_sapdb.result

+drop table if exists t1, test;
+select extract(DAY_MICROSECOND FROM "1999-01-02 10:11:12.000123");
+extract(DAY_MICROSECOND FROM "1999-01-02 10:11:12.000123")
+2101112000123
+select extract(HOUR_MICROSECOND FROM "1999-01-02 10:11:12.000123");
+extract(HOUR_MICROSECOND FROM "1999-01-02 10:11:12.000123")
+101112000123
+select extract(MINUTE_MICROSECOND FROM "1999-01-02 10:11:12.000123");
+extract(MINUTE_MICROSECOND FROM "1999-01-02 10:11:12.000123")
+1112000123
+select extract(SECOND_MICROSECOND FROM "1999-01-02 10:11:12.000123");
+extract(SECOND_MICROSECOND FROM "1999-01-02 10:11:12.000123")
+12000123
+select extract(MICROSECOND FROM "1999-01-02 10:11:12.000123");
+extract(MICROSECOND FROM "1999-01-02 10:11:12.000123")
+123
+select date_format("1997-12-31 23:59:59.000002", "%f");
+date_format("1997-12-31 23:59:59.000002", "%f")
+000002
+select date_add("1997-12-31 23:59:59.000002",INTERVAL "10000 99:99:99.999999" DAY_MICROSECOND);
+date_add("1997-12-31 23:59:59.000002",INTERVAL "10000 99:99:99.999999" DAY_MICROSECOND)
+2025-05-23 04:40:39.000001
+select date_add("1997-12-31 23:59:59.000002",INTERVAL "10000:99:99.999999" HOUR_MICROSECOND);
+date_add("1997-12-31 23:59:59.000002",INTERVAL "10000:99:99.999999" HOUR_MICROSECOND)
+1999-02-21 17:40:39.000001
+select date_add("1997-12-31 23:59:59.000002",INTERVAL "10000:99.999999" MINUTE_MICROSECOND);
+date_add("1997-12-31 23:59:59.000002",INTERVAL "10000:99.999999" MINUTE_MICROSECOND)
+1998-01-07 22:41:39.000001
+select date_add("1997-12-31 23:59:59.000002",INTERVAL "10000.999999" SECOND_MICROSECOND);
+date_add("1997-12-31 23:59:59.000002",INTERVAL "10000.999999" SECOND_MICROSECOND)
+1998-01-01 02:46:40.000001
+select date_add("1997-12-31 23:59:59.000002",INTERVAL "999999" MICROSECOND);
+date_add("1997-12-31 23:59:59.000002",INTERVAL "999999" MICROSECOND)
+1998-01-01 00:00:00.000001
+select date_sub("1998-01-01 00:00:00.000001",INTERVAL "1 1:1:1.000002" DAY_MICROSECOND);
+date_sub("1998-01-01 00:00:00.000001",INTERVAL "1 1:1:1.000002" DAY_MICROSECOND)
+1997-12-30 22:58:58.999999
+select date_sub("1998-01-01 00:00:00.000001",INTERVAL "1:1:1.000002" HOUR_MICROSECOND);
+date_sub("1998-01-01 00:00:00.000001",INTERVAL "1:1:1.000002" HOUR_MICROSECOND)
+1997-12-31 22:58:58.999999
+select date_sub("1998-01-01 00:00:00.000001",INTERVAL "1:1.000002" MINUTE_MICROSECOND);
+date_sub("1998-01-01 00:00:00.000001",INTERVAL "1:1.000002" MINUTE_MICROSECOND)
+1997-12-31 23:58:58.999999
+select date_sub("1998-01-01 00:00:00.000001",INTERVAL "1.000002" SECOND_MICROSECOND);
+date_sub("1998-01-01 00:00:00.000001",INTERVAL "1.000002" SECOND_MICROSECOND)
+1997-12-31 23:59:58.999999
+select date_sub("1998-01-01 00:00:00.000001",INTERVAL "000002" MICROSECOND);
+date_sub("1998-01-01 00:00:00.000001",INTERVAL "000002" MICROSECOND)
+1997-12-31 23:59:59.999999
+select adddate("1997-12-31 23:59:59.000001", 10);
+adddate("1997-12-31 23:59:59.000001", 10)
+1998-01-10 23:59:59.000001
+select subdate("1997-12-31 23:59:59.000001", 10);
+subdate("1997-12-31 23:59:59.000001", 10)
+1997-12-21 23:59:59.000001
+select datediff("1997-12-31 23:59:59.000001","1997-12-30");
+datediff("1997-12-31 23:59:59.000001","1997-12-30")
+1
+select datediff("1997-11-31 23:59:59.000001","1997-12-31");
+datediff("1997-11-31 23:59:59.000001","1997-12-31")
+-30
+select datediff("1997-11-31 23:59:59.000001",null);
+datediff("1997-11-31 23:59:59.000001",null)
+NULL
+select weekofyear("1997-11-31 23:59:59.000001");
+weekofyear("1997-11-31 23:59:59.000001")
+49
+select makedate(1997,1);
+makedate(1997,1)
+1997-01-01
+select makedate(1997,0);
+makedate(1997,0)
+NULL
+select addtime("1997-12-31 23:59:59.999999", "1 1:1:1.000002");
+addtime("1997-12-31 23:59:59.999999", "1 1:1:1.000002")
+1998-01-02 01:01:01.000001
+select subtime("1997-12-31 23:59:59.000001", "1 1:1:1.000002");
+subtime("1997-12-31 23:59:59.000001", "1 1:1:1.000002")
+1997-12-30 22:58:57.999999
+select addtime("1997-12-31 23:59:59.999999", "1998-01-01 01:01:01.999999");
+addtime("1997-12-31 23:59:59.999999", "1998-01-01 01:01:01.999999")
+NULL
+select subtime("1997-12-31 23:59:59.999999", "1998-01-01 01:01:01.999999");
+subtime("1997-12-31 23:59:59.999999", "1998-01-01 01:01:01.999999")
+NULL
+select subtime("01:00:00.999999", "02:00:00.999998");
+subtime("01:00:00.999999", "02:00:00.999998")
+-00:59:59.999999
+select subtime("02:01:01.999999", "01:01:01.999999");
+subtime("02:01:01.999999", "01:01:01.999999")
+01:00:00.000000
+select timediff("1997-01-01 23:59:59.000001","1995-12-31 23:59:59.000002");
+timediff("1997-01-01 23:59:59.000001","1995-12-31 23:59:59.000002")
+8807:59:59.999999
+select timediff("1997-12-31 23:59:59.000001","1997-12-30 01:01:01.000002");
+timediff("1997-12-31 23:59:59.000001","1997-12-30 01:01:01.000002")
+46:58:57.999999
+select timediff("1997-12-30 23:59:59.000001","1997-12-31 23:59:59.000002");
+timediff("1997-12-30 23:59:59.000001","1997-12-31 23:59:59.000002")
+-23:59:59.999999
+select timediff("1997-12-31 23:59:59.000001","23:59:59.000001");
+timediff("1997-12-31 23:59:59.000001","23:59:59.000001")
+NULL
+select timediff("2000:01:01 00:00:00", "2000:01:01 00:00:00.1");
+timediff("2000:01:01 00:00:00", "2000:01:01 00:00:00.1")
+-00:00:00.000001
+select maketime(10,11,12);
+maketime(10,11,12)
+10:11:12
+select maketime(25,11,12);
+maketime(25,11,12)
+25:11:12
+select maketime(-25,11,12);
+maketime(-25,11,12)
+-25:11:12
+select timestamp("2001-12-01", "01:01:01.999999");
+timestamp("2001-12-01", "01:01:01.999999")
+2001-12-01 01:01:01.999999
+select timestamp("2001-13-01", "01:01:01.000001");
+timestamp("2001-13-01", "01:01:01.000001")
+NULL
+select timestamp("2001-12-01", "25:01:01");
+timestamp("2001-12-01", "25:01:01")
+2001-12-02 01:01:01
+select day("1997-12-31 23:59:59.000001");
+day("1997-12-31 23:59:59.000001")
+31
+select date("1997-12-31 23:59:59.000001");
+date("1997-12-31 23:59:59.000001")
+1997-12-31
+select date("1997-13-31 23:59:59.000001");
+date("1997-13-31 23:59:59.000001")
+NULL
+select time("1997-12-31 23:59:59.000001");
+time("1997-12-31 23:59:59.000001")
+23:59:59.000001
+select time("1997-12-31 25:59:59.000001");
+time("1997-12-31 25:59:59.000001")
+NULL
+select microsecond("1997-12-31 23:59:59.000001");
+microsecond("1997-12-31 23:59:59.000001")
+1
+create table t1 
+select makedate(1997,1) as f1,
+addtime(cast("1997-12-31 23:59:59.000001" as datetime), "1 1:1:1.000002") as f2,
+addtime(cast("23:59:59.999999" as time) , "1 1:1:1.000002") as f3,
+timediff("1997-12-31 23:59:59.000001","1997-12-30 01:01:01.000002") as f4,
+timediff("1997-12-30 23:59:59.000001","1997-12-31 23:59:59.000002") as f5,
+maketime(10,11,12) as f6,
+timestamp("2001-12-01", "01:01:01") as f7,
+date("1997-12-31 23:59:59.000001") as f8,
+time("1997-12-31 23:59:59.000001") as f9;
+describe t1;
+Field	Type	Null	Key	Default	Extra
+f1	date			0000-00-00	
+f2	datetime			0000-00-00 00:00:00	
+f3	time			00:00:00	
+f4	time			00:00:00	
+f5	time			00:00:00	
+f6	time			00:00:00	
+f7	datetime			0000-00-00 00:00:00	
+f8	date			0000-00-00	
+f9	time			00:00:00	
+select * from t1;
+f1	f2	f3	f4	f5	f6	f7	f8	f9
+1997-01-01	1998-01-02 01:01:00	49:01:01	46:58:57	-23:59:59	10:11:12	2001-12-01 01:01:01	1997-12-31	23:59:59
+create table test(t1 datetime, t2 time, t3 time, t4 datetime);
+insert into test values 
+('2001-01-01 01:01:01', '01:01:01', null, '2001-02-01 01:01:01'),
+('2001-01-01 01:01:01', '-01:01:01', '-23:59:59', "1997-12-31 23:59:59.000001"),
+('1997-12-31 23:59:59.000001', '-23:59:59', '-01:01:01', '2001-01-01 01:01:01'),
+('2001-01-01 01:01:01', '01:01:01', '-1 01:01:01', null),
+('2001-01-01 01:01:01', null, '-1 01:01:01', null),
+(null, null, null, null),
+('2001-01-01 01:01:01', '01:01:01', '1 01:01:01', '2001-01-01 01:01:01');
+SELECT ADDTIME(t1,t2) As ttt, ADDTIME(t2, t3) As qqq from test;
+ttt	qqq
+2001-01-01 02:02:02	NULL
+2001-01-01 00:00:00	-25:01:00
+1997-12-31 00:00:00	-25:01:00
+2001-01-01 02:02:02	-24:00:00
+NULL	NULL
+NULL	NULL
+2001-01-01 02:02:02	26:02:02
+SELECT TIMEDIFF(t1,t4) As ttt, TIMEDIFF(t2, t3) As qqq from test;
+ttt	qqq
+-744:00:00	NULL
+26305:01:02	22:58:58
+-26305:01:02	-22:58:58
+NULL	26:02:02
+NULL	NULL
+NULL	NULL
+00:00:00	-24:00:00
+drop table t1, test;

mysql-test/t/func_sapdb.test

+--disable_warnings
+drop table if exists t1, test;
+--enable_warnings
+
+
+#
+# time functions
+#
+select extract(DAY_MICROSECOND FROM "1999-01-02 10:11:12.000123");
+select extract(HOUR_MICROSECOND FROM "1999-01-02 10:11:12.000123");
+select extract(MINUTE_MICROSECOND FROM "1999-01-02 10:11:12.000123");
+select extract(SECOND_MICROSECOND FROM "1999-01-02 10:11:12.000123");
+select extract(MICROSECOND FROM "1999-01-02 10:11:12.000123");
+select date_format("1997-12-31 23:59:59.000002", "%f");
+
+select date_add("1997-12-31 23:59:59.000002",INTERVAL "10000 99:99:99.999999" DAY_MICROSECOND);
+select date_add("1997-12-31 23:59:59.000002",INTERVAL "10000:99:99.999999" HOUR_MICROSECOND);
+select date_add("1997-12-31 23:59:59.000002",INTERVAL "10000:99.999999" MINUTE_MICROSECOND);
+select date_add("1997-12-31 23:59:59.000002",INTERVAL "10000.999999" SECOND_MICROSECOND);
+select date_add("1997-12-31 23:59:59.000002",INTERVAL "999999" MICROSECOND);
+
+select date_sub("1998-01-01 00:00:00.000001",INTERVAL "1 1:1:1.000002" DAY_MICROSECOND);
+select date_sub("1998-01-01 00:00:00.000001",INTERVAL "1:1:1.000002" HOUR_MICROSECOND);
+select date_sub("1998-01-01 00:00:00.000001",INTERVAL "1:1.000002" MINUTE_MICROSECOND);
+select date_sub("1998-01-01 00:00:00.000001",INTERVAL "1.000002" SECOND_MICROSECOND);
+select date_sub("1998-01-01 00:00:00.000001",INTERVAL "000002" MICROSECOND);
+
+#Date functions
+select adddate("1997-12-31 23:59:59.000001", 10);
+select subdate("1997-12-31 23:59:59.000001", 10);
+
+select datediff("1997-12-31 23:59:59.000001","1997-12-30");
+select datediff("1997-11-31 23:59:59.000001","1997-12-31");
+select datediff("1997-11-31 23:59:59.000001",null);
+
+select weekofyear("1997-11-31 23:59:59.000001");
+
+select makedate(1997,1);
+select makedate(1997,0);
+
+#Time functions
+
+select addtime("1997-12-31 23:59:59.999999", "1 1:1:1.000002");
+select subtime("1997-12-31 23:59:59.000001", "1 1:1:1.000002");
+select addtime("1997-12-31 23:59:59.999999", "1998-01-01 01:01:01.999999");
+select subtime("1997-12-31 23:59:59.999999", "1998-01-01 01:01:01.999999");
+select subtime("01:00:00.999999", "02:00:00.999998");
+select subtime("02:01:01.999999", "01:01:01.999999");
+
+select timediff("1997-01-01 23:59:59.000001","1995-12-31 23:59:59.000002");
+select timediff("1997-12-31 23:59:59.000001","1997-12-30 01:01:01.000002");
+select timediff("1997-12-30 23:59:59.000001","1997-12-31 23:59:59.000002");
+select timediff("1997-12-31 23:59:59.000001","23:59:59.000001");
+select timediff("2000:01:01 00:00:00", "2000:01:01 00:00:00.1");
+
+select maketime(10,11,12);
+select maketime(25,11,12);
+select maketime(-25,11,12);
+
+#Extraction functions
+select timestamp("2001-12-01", "01:01:01.999999");
+select timestamp("2001-13-01", "01:01:01.000001");
+select timestamp("2001-12-01", "25:01:01");
+select day("1997-12-31 23:59:59.000001");
+select date("1997-12-31 23:59:59.000001");
+select date("1997-13-31 23:59:59.000001");
+select time("1997-12-31 23:59:59.000001");
+select time("1997-12-31 25:59:59.000001");
+select microsecond("1997-12-31 23:59:59.000001");
+
+create table t1 
+select makedate(1997,1) as f1,
+   addtime(cast("1997-12-31 23:59:59.000001" as datetime), "1 1:1:1.000002") as f2,
+   addtime(cast("23:59:59.999999" as time) , "1 1:1:1.000002") as f3,
+   timediff("1997-12-31 23:59:59.000001","1997-12-30 01:01:01.000002") as f4,
+   timediff("1997-12-30 23:59:59.000001","1997-12-31 23:59:59.000002") as f5,
+   maketime(10,11,12) as f6,
+   timestamp("2001-12-01", "01:01:01") as f7,
+   date("1997-12-31 23:59:59.000001") as f8,
+   time("1997-12-31 23:59:59.000001") as f9;
+describe t1;
+select * from t1;
+
+create table test(t1 datetime, t2 time, t3 time, t4 datetime);
+insert into test values 
+('2001-01-01 01:01:01', '01:01:01', null, '2001-02-01 01:01:01'),
+('2001-01-01 01:01:01', '-01:01:01', '-23:59:59', "1997-12-31 23:59:59.000001"),
+('1997-12-31 23:59:59.000001', '-23:59:59', '-01:01:01', '2001-01-01 01:01:01'),
+('2001-01-01 01:01:01', '01:01:01', '-1 01:01:01', null),
+('2001-01-01 01:01:01', null, '-1 01:01:01', null),
+(null, null, null, null),
+('2001-01-01 01:01:01', '01:01:01', '1 01:01:01', '2001-01-01 01:01:01');
+
+SELECT ADDTIME(t1,t2) As ttt, ADDTIME(t2, t3) As qqq from test;
+SELECT TIMEDIFF(t1,t4) As ttt, TIMEDIFF(t2, t3) As qqq from test;
+
+drop table t1, test;

sql/field.cc

@@ -3150,11 +3150,13 @@ bool Field_time::get_time(TIME *ltime)
     ltime->neg= 1;
     tmp=-tmp;
   }
+  ltime->day= 0;
   ltime->hour=   (int) (tmp/10000);
   tmp-=ltime->hour*10000;
   ltime->minute= (int) tmp/100;
   ltime->second= (int) tmp % 100;
   ltime->second_part=0;
+  ltime->time_type= TIMESTAMP_TIME;
   return 0;
 }
 

sql/item_create.cc

@@ -678,3 +678,38 @@ Item *create_func_uncompressed_length(Item* a)
 
 #endif
 
+Item *create_func_datediff(Item *a, Item *b)
+{
+  return new Item_func_minus(new Item_func_to_days(a),
+			     new Item_func_to_days(b));
+}
+
+Item *create_func_weekofyear(Item *a)
+{
+  return new Item_func_week(a, new Item_int((char*) "0", 3, 1));
+}
+
+Item *create_func_makedate(Item* a,Item* b)
+{
+  return new Item_func_makedate(a, b);
+}
+
+Item *create_func_addtime(Item* a,Item* b)
+{
+  return new Item_func_add_time(a, b, 0);
+}
+
+Item *create_func_subtime(Item* a,Item* b)
+{
+  return new Item_func_add_time(a, b, 1);
+}
+
+Item *create_func_timediff(Item* a,Item* b)
+{
+  return new Item_func_timediff(a, b);
+}
+
+Item *create_func_maketime(Item* a,Item* b,Item* c)
+{
+  return new Item_func_maketime(a, b, c);
+}

sql/item_create.h

@@ -146,3 +146,10 @@ Item *create_func_compress(Item *a);
 Item *create_func_uncompress(Item *a);
 Item *create_func_uncompressed_length(Item *a);
 
+Item *create_func_datediff(Item *a, Item *b);
+Item *create_func_weekofyear(Item *a);
+Item *create_func_makedate(Item* a,Item* b);
+Item *create_func_addtime(Item* a,Item* b);
+Item *create_func_subtime(Item* a,Item* b);
+Item *create_func_timediff(Item* a,Item* b);
+Item *create_func_maketime(Item* a,Item* b,Item* c);

sql/item_timefunc.cc

@@ -55,6 +55,70 @@ static String day_names[] =
   String("Sunday",	&my_charset_latin1)
 };
 
+enum date_time_format_types { TIME_ONLY= 0, TIME_MICROSECOND,
+			      DATE_ONLY, DATE_TIME, DATE_TIME_MICROSECOND};
+
+typedef struct date_time_format {
+  const char* format_str;
+  uint length;
+};
+
+static struct date_time_format date_time_formats[]=
+{
+  {"%s%02d:%02d:%02d", 10},
+  {"%s%02d:%02d:%02d.%06d", 17},
+  {"%04d-%02d-%02d", 10},
+  {"%04d-%02d-%02d %02d:%02d:%02d", 19},
+  {"%04d-%02d-%02d %02d:%02d:%02d.%06d", 26}
+};
+
+
+String *make_datetime(String *str, TIME *ltime, 
+		      enum date_time_format_types format)
+{
+  char *buff;
+  CHARSET_INFO *cs= &my_charset_bin;
+  uint length= date_time_formats[format].length + 32;
+  const char* format_str= date_time_formats[format].format_str;
+
+  if (str->alloc(length))
+    return 0;
+
+  buff= (char*) str->ptr();
+  switch (format) {
+  case TIME_ONLY:
+    length= cs->cset->snprintf(cs, buff, length, format_str, ltime->neg ? "-" : "",
+			       ltime->hour, ltime->minute, ltime->second);
+    break;
+  case TIME_MICROSECOND:
+    length= cs->cset->snprintf(cs, buff, length, format_str, ltime->neg ? "-" : "",
+			       ltime->hour, ltime->minute, ltime->second,
+			       ltime->second_part);
+    break;
+  case DATE_ONLY:
+    length= cs->cset->snprintf(cs, buff, length, format_str,
+			       ltime->year, ltime->month, ltime->day);
+    break;
+  case DATE_TIME:
+    length= cs->cset->snprintf(cs, buff, length, format_str,
+			       ltime->year, ltime->month, ltime->day,
+			       ltime->hour, ltime->minute, ltime->second);
+    break;
+  case DATE_TIME_MICROSECOND:
+    length= cs->cset->snprintf(cs, buff, length, format_str,
+			       ltime->year, ltime->month, ltime->day,
+			       ltime->hour, ltime->minute, ltime->second,
+			       ltime->second_part);
+    break;
+  default:
+    return 0;
+  }
+
+  str->length(length);
+  str->set_charset(cs);
+  return str;
+}
+
 /*
 ** Get a array of positive numbers from a string object.
 ** Each number is separated by 1 non digit character
@@ -309,7 +373,7 @@ static bool get_interval_value(Item *args,interval_type int_type,
   CHARSET_INFO *cs=str_value->charset();
 
   bzero((char*) t,sizeof(*t));
-  if ((int) int_type <= INTERVAL_SECOND)
+  if ((int) int_type <= INTERVAL_MICROSECOND)
   {
     value=(long) args->val_int();
     if (args->null_value)
@@ -352,6 +416,9 @@ static bool get_interval_value(Item *args,interval_type int_type,
   case INTERVAL_HOUR:
     t->hour=value;
     break;
+  case INTERVAL_MICROSECOND:
+    t->second_part=value;
+    break;
   case INTERVAL_MINUTE:
     t->minute=value;
     break;
@@ -370,6 +437,15 @@ static bool get_interval_value(Item *args,interval_type int_type,
     t->day=array[0];
     t->hour=array[1];
     break;
+  case INTERVAL_DAY_MICROSECOND:
+    if (get_interval_info(str,length,cs,5,array))
+      return (1);
+    t->day=array[0];
+    t->hour=array[1];
+    t->minute=array[2];
+    t->second=array[3];
+    t->second_part=array[4];
+    break;
   case INTERVAL_DAY_MINUTE:
     if (get_interval_info(str,length,cs,3,array))
       return (1);
@@ -385,6 +461,14 @@ static bool get_interval_value(Item *args,interval_type int_type,
     t->minute=array[2];
     t->second=array[3];
     break;
+  case INTERVAL_HOUR_MICROSECOND:
+    if (get_interval_info(str,length,cs,4,array))
+      return (1);
+    t->hour=array[0];
+    t->minute=array[1];
+    t->second=array[2];
+    t->second_part=array[3];
+    break;
   case INTERVAL_HOUR_MINUTE:
     if (get_interval_info(str,length,cs,2,array))
       return (1);
@@ -398,12 +482,25 @@ static bool get_interval_value(Item *args,interval_type int_type,
     t->minute=array[1];
     t->second=array[2];
     break;
+  case INTERVAL_MINUTE_MICROSECOND:
+    if (get_interval_info(str,length,cs,3,array))
+      return (1);
+    t->minute=array[0];
+    t->second=array[1];
+    t->second_part=array[2];
+    break;
   case INTERVAL_MINUTE_SECOND:
     if (get_interval_info(str,length,cs,2,array))
       return (1);
     t->minute=array[0];
     t->second=array[1];
     break;
+  case INTERVAL_SECOND_MICROSECOND:
+    if (get_interval_info(str,length,cs,2,array))
+      return (1);
+    t->second=array[0];
+    t->second_part=array[1];
+    break;
   }
   return 0;
 }
@@ -687,6 +784,9 @@ uint Item_func_date_format::format_length(const String *format)
       case 'T': /* time, 24-hour (hh:mm:ss) */
 	size += 8;
 	break;
+      case 'f': /* microseconds */
+	size += 6;
+	break;
       case 'w': /* day (of the week), numeric */
       case '%':
       default:
@@ -844,6 +944,10 @@ String *Item_func_date_format::val_str(String *str)
 	sprintf(intbuff,"%d",l_time.day);
 	str->append(intbuff);
 	break;
+      case 'f':
+	sprintf(intbuff,"%06ld",l_time.second_part);
+	str->append(intbuff);
+	break;
       case 'H':
 	sprintf(intbuff,"%02d",l_time.hour);
 	str->append(intbuff,2);
@@ -1005,7 +1109,7 @@ void Item_date_add_interval::fix_length_and_dec()
   enum_field_types arg0_field_type;
   set_charset(default_charset());
   maybe_null=1;
-  max_length=19*default_charset()->mbmaxlen;
+  max_length=26*default_charset()->mbmaxlen;
   value.alloc(32);
 
   /*
@@ -1051,27 +1155,43 @@ bool Item_date_add_interval::get_date(TIME *ltime, bool fuzzy_date)
   null_value=0;
   switch (int_type) {
   case INTERVAL_SECOND:
+  case INTERVAL_SECOND_MICROSECOND:
+  case INTERVAL_MICROSECOND:
   case INTERVAL_MINUTE:
   case INTERVAL_HOUR:
+  case INTERVAL_MINUTE_MICROSECOND:
   case INTERVAL_MINUTE_SECOND:
+  case INTERVAL_HOUR_MICROSECOND:
   case INTERVAL_HOUR_SECOND:
   case INTERVAL_HOUR_MINUTE:
+  case INTERVAL_DAY_MICROSECOND:
   case INTERVAL_DAY_SECOND:
   case INTERVAL_DAY_MINUTE:
   case INTERVAL_DAY_HOUR:
-    long sec,days,daynr;
+    long sec,days,daynr,microseconds,extra_sec;
     ltime->time_type=TIMESTAMP_FULL;		// Return full date
+    microseconds= ltime->second_part + sign*interval.second_part;
+    extra_sec= microseconds/1000000L;
+    microseconds= microseconds%1000000L;
 
     sec=((ltime->day-1)*3600*24L+ltime->hour*3600+ltime->minute*60+
 	 ltime->second +
 	 sign*(interval.day*3600*24L +
-	       interval.hour*3600+interval.minute*60+interval.second));
+	       interval.hour*3600+interval.minute*60+interval.second))+
+      extra_sec;
+
+    if (microseconds < 0)
+    {
+      microseconds+= 1000000L;	
+      sec--;
+    }
     days=sec/(3600*24L); sec=sec-days*3600*24L;
     if (sec < 0)
     {
       days--;
       sec+=3600*24L;
     }
+    ltime->second_part= microseconds;
     ltime->second=sec % 60;
     ltime->minute=sec/60 % 60;
     ltime->hour=sec/3600;
@@ -1124,34 +1244,21 @@ bool Item_date_add_interval::get_date(TIME *ltime, bool fuzzy_date)
 String *Item_date_add_interval::val_str(String *str)
 {
   TIME ltime;
-  CHARSET_INFO *cs=default_charset();
-  uint32 l;
+  enum date_time_format_types format;
 
   if (Item_date_add_interval::get_date(&ltime,0))
     return 0;
+
   if (ltime.time_type == TIMESTAMP_DATE)
-  {
-    l=11*cs->mbmaxlen+32;
-    if (str->alloc(l))
-      goto null_date;
-    l=cs->cset->snprintf(cs,(char*) str->ptr(),l,"%04d-%02d-%02d",
-	    ltime.year,ltime.month,ltime.day);
-    str->length(l);
-  }
+    format= DATE_ONLY;
+  else if (ltime.second_part)
+    format= DATE_TIME_MICROSECOND;
   else
-  {
-    l=20*cs->mbmaxlen+32;
-    if (str->alloc(l))
-      goto null_date;
-    l=cs->cset->snprintf(cs,(char*) str->ptr(),l,"%04d-%02d-%02d %02d:%02d:%02d",
-	    ltime.year,ltime.month,ltime.day,
-	    ltime.hour,ltime.minute,ltime.second);
-    str->length(l);
-  }
-  str->set_charset(cs);
-  return str;
+    format= DATE_TIME;
+
+  if (make_datetime(str, &ltime, format))
+    return str;
 
- null_date:
   null_value=1;
   return 0;
 }
@@ -1188,6 +1295,11 @@ void Item_extract::fix_length_and_dec()
   case INTERVAL_MINUTE:		max_length=2; date_value=0; break;
   case INTERVAL_MINUTE_SECOND:	max_length=4; date_value=0; break;
   case INTERVAL_SECOND:		max_length=2; date_value=0; break;
+  case INTERVAL_MICROSECOND:	max_length=2; date_value=0; break;
+  case INTERVAL_DAY_MICROSECOND: max_length=20; date_value=0; break;
+  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;
   }
 }
 
@@ -1234,6 +1346,21 @@ longlong Item_extract::val_int()
   case INTERVAL_MINUTE:		return (long) ltime.minute*neg;
   case INTERVAL_MINUTE_SECOND:	return (long) (ltime.minute*100+ltime.second)*neg;
   case INTERVAL_SECOND:		return (long) ltime.second*neg;
+  case INTERVAL_MICROSECOND:	return (long) ltime.second_part*neg;
+  case INTERVAL_DAY_MICROSECOND: return (((longlong)ltime.day*1000000L +
+					  (longlong)ltime.hour*10000L +
+					  ltime.minute*100 +
+					  ltime.second)*1000000L +
+					 ltime.second_part)*neg;
+  case INTERVAL_HOUR_MICROSECOND: return (((longlong)ltime.hour*10000L +
+					   ltime.minute*100 +
+					   ltime.second)*1000000L +
+					  ltime.second_part)*neg;
+  case INTERVAL_MINUTE_MICROSECOND: return (((longlong)(ltime.minute*100+
+							ltime.second))*1000000L+
+					    ltime.second_part)*neg;
+  case INTERVAL_SECOND_MICROSECOND: return ((longlong)ltime.second*1000000L+
+					    ltime.second_part)*neg;
   }
   return 0;					// Impossible
 }
@@ -1247,3 +1374,358 @@ void Item_typecast::print(String *str)
   str->append(func_name());
   str->append(')');
 }
+
+/*
+  MAKEDATE(a,b) is a date function that creates a date value 
+  from a year and day value.
+*/
+
+String *Item_func_makedate::val_str(String *str)
+{
+  TIME l_time;
+  long daynr= args[1]->val_int();
+  long yearnr= args[0]->val_int();
+  long days;
+
+  if (args[0]->null_value || args[1]->null_value ||
+      yearnr < 0 || daynr <= 0)
+    goto null_date;
+
+  days= calc_daynr(yearnr,1,1) + daynr - 1;
+  if (days > 0 || days < 3652424L) // Day number from year 0 to 9999-12-31
+  {
+    null_value=0;
+    get_date_from_daynr(days,&l_time.year,&l_time.month,&l_time.day);
+    if (make_datetime(str, &l_time, DATE_ONLY))
+      return str;
+  }
+
+null_date:
+  null_value=1;
+  return 0;
+}
+
+
+void Item_func_add_time::fix_length_and_dec()
+{
+  enum_field_types arg0_field_type;
+  decimals=0;
+  max_length=26*my_charset_bin.mbmaxlen;
+
+  /*
+    The field type for the result of an Item_func_add_time function is defined as
+    follows:
+
+    - If first arg is a MYSQL_TYPE_DATETIME or MYSQL_TYPE_TIMESTAMP 
+      result is MYSQL_TYPE_DATETIME
+    - If first arg is a MYSQL_TYPE_TIME result is MYSQL_TYPE_TIME
+    - Otherwise the result is MYSQL_TYPE_STRING
+  */
+
+  cached_field_type= MYSQL_TYPE_STRING;
+  arg0_field_type= args[0]->field_type();
+  if (arg0_field_type == MYSQL_TYPE_DATETIME ||
+      arg0_field_type == MYSQL_TYPE_TIMESTAMP)
+    cached_field_type= MYSQL_TYPE_DATETIME;
+  else if (arg0_field_type == MYSQL_TYPE_TIME)
+    cached_field_type= MYSQL_TYPE_TIME;
+}
+
+/*
+  ADDTIME(t,a) and SUBTIME(t,a) are time functions that calculate a time/datetime value 
+
+  t: time_or_datetime_expression
+  a: time_expression
+  
+  Result: Time value or datetime value
+*/
+
+String *Item_func_add_time::val_str(String *str)
+{
+  TIME l_time1, l_time2, l_time3;
+  bool is_time;
+  long microseconds, seconds, days= 0;
+  int l_sign= sign;
+
+  null_value=0;
+  if (args[0]->get_time(&l_time1) || 
+      args[1]->get_time(&l_time2) ||
+      l_time2.time_type == TIMESTAMP_FULL)
+    goto null_date;
+  is_time= (l_time1.time_type == TIMESTAMP_TIME);
+  l_time3.neg= 0;
+  if (is_time)
+  {
+    if ((l_time2.neg == l_time1.neg) && l_time1.neg)
+      l_time3.neg= 1;
+  }
+  if (l_time1.neg != l_time2.neg)
+    l_sign= -l_sign;
+
+  microseconds= l_time1.second_part + l_sign*l_time2.second_part;
+  seconds= (l_time1.hour*3600L + l_time1.minute*60L + l_time1.second +
+	    (l_time2.day*86400L + l_time2.hour*3600L +
+	     l_time2.minute*60L + l_time2.second)*l_sign);
+  if (is_time)
+    seconds+= l_time1.day*86400L;
+  else
+    days+= calc_daynr((uint) l_time1.year,(uint) l_time1.month, (uint) l_time1.day);
+  seconds= seconds + microseconds/1000000L;
+  microseconds= microseconds%1000000L;
+  days+= seconds/86400L;
+  seconds= seconds%86400L;
+
+  if (microseconds < 0)
+  {
+    microseconds+= 1000000L;
+    seconds--;
+  }
+  if (seconds < 0)
+  {
+    days+= seconds/86400L - 1;
+    seconds+= 86400L;
+  }
+  if (days < 0)
+  {
+    if (!is_time)
+      goto null_date;
+    if (microseconds)
+    {
+      microseconds= 1000000L - microseconds;
+      seconds++; 
+    }
+    seconds= 86400L - seconds;
+    days= -(++days);
+    l_time3.neg= 1;
+  }
+
+  calc_time_from_sec(&l_time3, seconds, microseconds);
+  if (!is_time)
+  {
+    get_date_from_daynr(days,&l_time3.year,&l_time3.month,&l_time3.day);
+    if (l_time3.day &&
+	make_datetime(str, &l_time3, DATE_TIME_MICROSECOND))
+      return str;
+    goto null_date;
+  }
+
+  l_time3.hour+= days*24;
+  if (make_datetime(str, &l_time3, TIME_MICROSECOND))
+    return str;
+
+null_date:
+  null_value=1;
+  return 0;
+}
+
+/*
+  TIMEDIFF(t,s) is a time function that calculates the 
+  time value between a start and end time.
+
+  t and s: time_or_datetime_expression
+  Result: Time value
+*/
+
+String *Item_func_timediff::val_str(String *str)
+{
+  longlong seconds;
+  long microseconds;
+  long days;
+  int l_sign= 1;
+  TIME l_time1 ,l_time2, l_time3;
+
+  null_value= 0;  
+  if (args[0]->get_time(&l_time1) ||
+      args[1]->get_time(&l_time2) ||
+      l_time1.time_type != l_time2.time_type)
+    goto null_date;
+
+  if (l_time1.neg != l_time2.neg)
+    l_sign= -l_sign;
+
+  if (l_time1.time_type == TIMESTAMP_TIME)  // Time value
+    days= l_time1.day - l_sign*l_time2.day;
+  else                                      // DateTime value
+    days= (calc_daynr((uint) l_time1.year,
+		      (uint) l_time1.month,
+		      (uint) l_time1.day) - 
+	   l_sign*calc_daynr((uint) l_time2.year,
+			     (uint) l_time2.month,
+			     (uint) l_time2.day));
+
+  microseconds= l_time1.second_part - l_sign*l_time2.second_part;
+  seconds= ((longlong) days*86400L + l_time1.hour*3600L + 
+	    l_time1.minute*60L + l_time1.second + microseconds/1000000L -
+	    (longlong)l_sign*(l_time2.hour*3600L+l_time2.minute*60L+l_time2.second));
+
+  l_time3.neg= 0;
+  if (seconds < 0)
+  {
+    seconds= -seconds;
+    l_time3.neg= 1;
+  }
+  else if (seconds == 0 && microseconds < 0)
+  {
+    microseconds= -microseconds;
+    l_time3.neg= 1;
+  }
+  if (microseconds < 0)
+  {
+    microseconds+= 1000000L;
+    seconds--;
+  }
+  if ((l_time2.neg == l_time1.neg) && l_time1.neg)
+    l_time3.neg= l_time3.neg ? 0 : 1;
+
+  calc_time_from_sec(&l_time3, seconds, microseconds);
+  if (make_datetime(str, &l_time3, TIME_MICROSECOND))
+    return str;
+
+null_date:
+  null_value=1;
+  return 0;
+}
+
+/*
+  MAKETIME(h,m,s) is a time function that calculates a time value 
+  from the total number of hours, minutes, and seconds.
+  Result: Time value
+*/
+
+String *Item_func_maketime::val_str(String *str)
+{
+  TIME ltime;
+
+  long hour= args[0]->val_int();
+  long minute= args[1]->val_int();
+  long second= args[2]->val_int();
+
+  if ((null_value=(args[0]->null_value || 
+		   args[1]->null_value ||
+		   args[2]->null_value || 
+		   minute > 59 || minute < 0 || 
+		   second > 59 || second < 0)))
+    goto null_date;
+
+  ltime.neg= 0;
+  if (hour < 0)
+  {
+    ltime.neg= 1;
+    hour= -hour;
+  }
+  ltime.hour= (ulong)hour;
+  ltime.minute= (ulong)minute;
+  ltime.second= (ulong)second;
+  if (make_datetime(str, &ltime, TIME_ONLY))
+    return str;
+
+null_date:
+    return 0;
+}
+
+/*
+  TIMESTAMP(a,b) is a function ( extraction) that calculates a datetime value
+  comprising a date value, time value.
+
+  a: Date_or_datetime value
+  b: Time value
+  Result: Datetime value
+*/
+
+String *Item_func_timestamp::val_str(String *str)
+{
+  TIME l_time1 ,l_time2, l_time3;
+  long seconds;
+  long microseconds;
+  long days;
+  int l_sign;
+
+  if (get_arg0_date(&l_time1,1) || 
+      args[1]->get_time(&l_time2) ||
+      l_time1.time_type == TIMESTAMP_TIME || 
+      l_time2.time_type != TIMESTAMP_TIME)
+    goto null_date;
+
+  l_sign= l_time2.neg ? -1 : 1;
+  days= (calc_daynr((uint) l_time1.year,(uint) l_time1.month,
+		    (uint) l_time1.day) + l_sign*l_time2.day);
+
+  microseconds= l_time1.second_part + l_sign*l_time2.second_part;
+  seconds= (l_time1.hour*3600L + l_time1.minute*60L + l_time1.second +
+	    (l_time2.day*86400L + l_time2.hour*3600L +
+	     l_time2.minute*60L + l_time2.second)*l_sign);
+  days+= seconds/86400L;
+  seconds%= 86400L;
+  if (microseconds < 0)
+  {
+    microseconds+= 1000000L;
+    seconds--;
+  }
+  if (seconds < 0)
+  {
+    days--;
+    seconds+= 86400L;
+  }
+  if (days < 0)
+    goto null_date;
+
+  calc_time_from_sec(&l_time3, seconds, microseconds);
+  get_date_from_daynr(days,&l_time3.year,&l_time3.month,&l_time3.day);
+  make_datetime(str, &l_time3, DATE_TIME_MICROSECOND);
+  return str;
+
+null_date:
+  null_value=1;
+  return 0;
+}
+
+/*
+  DATE(a) is a function ( extraction) that calculates a date value.
+
+  a: Datetime value
+  Result: Date value
+*/
+String *Item_func_date::val_str(String *str)
+{
+  TIME ltime;
+
+  if (!get_arg0_date(&ltime,1) &&
+      make_datetime(str, &ltime, DATE_ONLY))
+  return str;
+
+null_date:
+  null_value=1;
+  return 0;
+}
+
+/*
+  TIME(a) is a function ( extraction) that calculates a time value.
+
+  a: Datetime value
+  Result: Time value
+*/
+String *Item_func_time::val_str(String *str)
+{
+  TIME ltime;
+
+  if (!get_arg0_time(&ltime) &&
+      make_datetime(str, &ltime, TIME_MICROSECOND))
+    return str;
+
+  null_value=1;
+  return 0;
+}
+
+/*
+  MICROSECOND(a) is a function ( extraction) that extracts the microseconds from a.
+
+  a: Datetime or time value
+  Result: int value
+*/
+longlong Item_func_microsecond::val_int()
+{
+  TIME ltime;
+  if (!get_arg0_time(&ltime))
+    return ltime.second_part;
+  return 0;
+}

sql/item_timefunc.h

@@ -478,9 +478,10 @@ class Item_func_sec_to_time :public Item_str_func
 enum interval_type
 {
   INTERVAL_YEAR, INTERVAL_MONTH, INTERVAL_DAY, INTERVAL_HOUR, INTERVAL_MINUTE,
-  INTERVAL_SECOND, INTERVAL_YEAR_MONTH, INTERVAL_DAY_HOUR, INTERVAL_DAY_MINUTE,
-  INTERVAL_DAY_SECOND, INTERVAL_HOUR_MINUTE, INTERVAL_HOUR_SECOND,
-  INTERVAL_MINUTE_SECOND
+  INTERVAL_SECOND, INTERVAL_MICROSECOND ,INTERVAL_YEAR_MONTH, INTERVAL_DAY_HOUR,
+  INTERVAL_DAY_MINUTE, INTERVAL_DAY_SECOND, INTERVAL_HOUR_MINUTE,
+  INTERVAL_HOUR_SECOND, INTERVAL_MINUTE_SECOND, INTERVAL_DAY_MICROSECOND,
+  INTERVAL_HOUR_MICROSECOND, INTERVAL_MINUTE_MICROSECOND, INTERVAL_SECOND_MICROSECOND
 };
 
 
@@ -592,3 +593,157 @@ class Item_datetime_typecast :public Item_typecast
     return (new Field_datetime(maybe_null, name, t_arg, default_charset()));
   }
 };
+
+class Item_func_makedate :public Item_str_func
+{
+public:
+  Item_func_makedate(Item *a,Item *b) :Item_str_func(a,b) {}
+  String *val_str(String *str);
+  const char *func_name() const { return "makedate"; }
+  enum_field_types field_type() const { return MYSQL_TYPE_DATE; }
+  void fix_length_and_dec()
+  { 
+    decimals=0;
+    max_length=8*my_charset_bin.mbmaxlen;
+  }
+  Field *tmp_table_field() { return result_field; }
+  Field *tmp_table_field(TABLE *t_arg)
+  {
+    return (new Field_date(maybe_null, name, t_arg, &my_charset_bin));
+  }
+};
+
+class Item_func_add_time :public Item_str_func
+{
+  int sign;
+  enum_field_types cached_field_type;
+
+public:
+  Item_func_add_time(Item *a, Item *b, bool neg_arg)
+    :Item_str_func(a, b) { sign= neg_arg ? -1 : 1; }
+  String *val_str(String *str);
+  const char *func_name() const { return "addtime"; }
+  enum_field_types field_type() const { return cached_field_type; }
+  void fix_length_and_dec();
+  Field *tmp_table_field() { return result_field; }
+  Field *tmp_table_field(TABLE *t_arg)
+  {
+    if (cached_field_type == MYSQL_TYPE_TIME)
+      return (new Field_time(maybe_null, name, t_arg, &my_charset_bin));
+    else if (cached_field_type == MYSQL_TYPE_DATETIME)
+      return (new Field_datetime(maybe_null, name, t_arg, &my_charset_bin));
+    return (new Field_string(max_length, maybe_null, name, t_arg, &my_charset_bin));
+  }
+};
+
+class Item_func_timediff :public Item_str_func
+{
+public:
+  Item_func_timediff(Item *a, Item *b)
+    :Item_str_func(a, b) {}
+  String *val_str(String *str);
+  const char *func_name() const { return "timediff"; }
+  enum_field_types field_type() const { return MYSQL_TYPE_TIME; }
+  void fix_length_and_dec()
+  {
+    decimals=0;
+    max_length=17*my_charset_bin.mbmaxlen;
+  }
+  Field *tmp_table_field() { return result_field; }
+  Field *tmp_table_field(TABLE *t_arg)
+  {
+      return (new Field_time(maybe_null, name, t_arg, &my_charset_bin));
+  }
+};
+
+class Item_func_maketime :public Item_str_func
+{
+public:
+  Item_func_maketime(Item *a, Item *b, Item *c)
+    :Item_str_func(a, b ,c) {}
+  String *val_str(String *str);
+  const char *func_name() const { return "maketime"; }
+  enum_field_types field_type() const { return MYSQL_TYPE_TIME; }
+  void fix_length_and_dec()
+  {
+    decimals=0;
+    max_length=8*my_charset_bin.mbmaxlen;
+  }
+  Field *tmp_table_field() { return result_field; }
+  Field *tmp_table_field(TABLE *t_arg)
+  {
+      return (new Field_time(maybe_null, name, t_arg, &my_charset_bin));
+  }
+};
+
+class Item_func_timestamp :public Item_str_func
+{
+public:
+  Item_func_timestamp(Item *a, Item *b) :Item_str_func(a, b) {}
+  String *val_str(String *str);
+  const char *func_name() const { return "timestamp"; }
+  enum_field_types field_type() const { return MYSQL_TYPE_DATETIME; }
+  void fix_length_and_dec()
+  { 
+    decimals=0;
+    max_length=26*my_charset_bin.mbmaxlen;
+  }
+  Field *tmp_table_field() { return result_field; }
+  Field *tmp_table_field(TABLE *t_arg)
+  {
+    return (new Field_datetime(maybe_null, name, t_arg, &my_charset_bin));
+  }
+};
+
+class Item_func_date :public Item_str_func
+{
+public:
+  Item_func_date(Item *a)
+    :Item_str_func(a) {}
+  String *val_str(String *str);
+  const char *func_name() const { return "date"; }
+  enum_field_types field_type() const { return MYSQL_TYPE_DATE; }
+  void fix_length_and_dec()
+  {
+    decimals=0;
+    max_length=10*my_charset_bin.mbmaxlen;
+  }
+  Field *tmp_table_field() { return result_field; }
+  Field *tmp_table_field(TABLE *t_arg)
+  {
+    return (new Field_date(maybe_null, name, t_arg, &my_charset_bin));
+  }
+};
+
+class Item_func_time :public Item_str_func
+{
+public:
+  Item_func_time(Item *a)
+    :Item_str_func(a) {}
+  String *val_str(String *str);
+  const char *func_name() const { return "time"; }
+  enum_field_types field_type() const { return MYSQL_TYPE_TIME; }
+  void fix_length_and_dec()
+  {
+    decimals=0;
+    max_length=15*my_charset_bin.mbmaxlen;
+  }
+  Field *tmp_table_field() { return result_field; }
+  Field *tmp_table_field(TABLE *t_arg)
+  {
+      return (new Field_time(maybe_null, name, t_arg, &my_charset_bin));
+  }
+};
+
+class Item_func_microsecond :public Item_int_func
+{
+public:
+  Item_func_microsecond(Item *a) :Item_int_func(a) {}
+  longlong val_int();
+  const char *func_name() const { return "microsecond"; }
+  void fix_length_and_dec() 
+  { 
+    decimals=0;
+    maybe_null=1;
+  }
+};

sql/lex.h

@@ -116,6 +116,7 @@ static SYMBOL symbols[] = {
   { "DATETIME",		SYM(DATETIME),0,0},
   { "DAY",		SYM(DAY_SYM),0,0},
   { "DAY_HOUR",		SYM(DAY_HOUR_SYM),0,0},
+  { "DAY_MICROSECOND",	SYM(DAY_MICROSECOND_SYM),0,0},
   { "DAY_MINUTE",	SYM(DAY_MINUTE_SYM),0,0},
   { "DAY_SECOND",	SYM(DAY_SECOND_SYM),0,0},
   { "DEC",		SYM(DECIMAL_SYM),0,0},
@@ -186,6 +187,7 @@ static SYMBOL symbols[] = {
   { "HELP",		SYM(HELP_SYM),0,0},
   { "HIGH_PRIORITY",	SYM(HIGH_PRIORITY),0,0},
   { "HOUR",		SYM(HOUR_SYM),0,0},
+  { "HOUR_MICROSECOND",	SYM(HOUR_MICROSECOND_SYM),0,0},
   { "HOUR_MINUTE",	SYM(HOUR_MINUTE_SYM),0,0},
   { "HOUR_SECOND",	SYM(HOUR_SECOND_SYM),0,0},
   { "HOSTS",		SYM(HOSTS_SYM),0,0},
@@ -258,9 +260,11 @@ static SYMBOL symbols[] = {
   { "MERGE",		SYM(MERGE_SYM),0,0},
   { "MEDIUM",		SYM(MEDIUM_SYM),0,0},
   { "MEMORY",		SYM(MEMORY_SYM),0,0},
+  { "MICROSECOND",	SYM(MICROSECOND_SYM),0,0},
   { "MIDDLEINT",	SYM(MEDIUMINT),0,0},	/* For powerbuilder */
   { "MIN_ROWS",		SYM(MIN_ROWS),0,0},
   { "MINUTE",		SYM(MINUTE_SYM),0,0},
+  { "MINUTE_MICROSECOND", SYM(MINUTE_MICROSECOND_SYM),0,0},
   { "MINUTE_SECOND",	SYM(MINUTE_SECOND_SYM),0,0},
   { "MOD",		SYM(MOD_SYM),0,0},
   { "MODE",		SYM(MODE_SYM),0,0},
@@ -336,6 +340,7 @@ static SYMBOL symbols[] = {
   { "ROWS",		SYM(ROWS_SYM),0,0},
   { "RTREE",		SYM(RTREE_SYM),0,0},
   { "SECOND",		SYM(SECOND_SYM),0,0},
+  { "SECOND_MICROSECOND", SYM(SECOND_MICROSECOND_SYM),0,0},
   { "SEPARATOR",	SYM(SEPARATOR_SYM),0,0},
   { "SELECT",		SYM(SELECT_SYM),0,0},
   { "SERIAL",		SYM(SERIAL_SYM),0,0},
@@ -425,7 +430,8 @@ static SYMBOL symbols[] = {
 static SYMBOL sql_functions[] = {
   { "ABS",		SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_abs)},
   { "ACOS",		SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_acos)},
-  { "ADDDATE",		SYM(DATE_ADD_INTERVAL),0,0},
+  { "ADDDATE",		SYM(ADDDATE_SYM),0,0},
+  { "ADDTIME",		SYM(FUNC_ARG2),0,CREATE_FUNC(create_func_addtime)},
   { "AES_ENCRYPT",      SYM(FUNC_ARG2),0,CREATE_FUNC(create_func_aes_encrypt)},
   { "AES_DECRYPT",      SYM(FUNC_ARG2),0,CREATE_FUNC(create_func_aes_decrypt)},
   { "AREA",		SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_area)},
@@ -467,6 +473,7 @@ static SYMBOL sql_functions[] = {
   { "CURDATE",		SYM(CURDATE),0,0},
   { "CURTIME",		SYM(CURTIME),0,0},
   { "DATE_ADD",		SYM(DATE_ADD_INTERVAL),0,0},
+  { "DATEDIFF",		SYM(FUNC_ARG2),0,CREATE_FUNC(create_func_datediff)},
   { "DATE_FORMAT",	SYM(FUNC_ARG2),0,CREATE_FUNC(create_func_date_format)},
   { "DATE_SUB",		SYM(DATE_SUB_INTERVAL),0,0},
   { "DAYNAME",		SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_dayname)},
@@ -542,6 +549,8 @@ static SYMBOL sql_functions[] = {
   { "LPAD",		SYM(FUNC_ARG3),0,CREATE_FUNC(create_func_lpad)},
   { "LTRIM",		SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_ltrim)},
   { "MAKE_SET",		SYM(MAKE_SET_SYM),0,0},
+  { "MAKEDATE",		SYM(FUNC_ARG2),0,CREATE_FUNC(create_func_makedate)},
+  { "MAKETIME",		SYM(FUNC_ARG3),0,CREATE_FUNC(create_func_maketime)},
   { "MASTER_POS_WAIT",	SYM(MASTER_POS_WAIT),0,0},
   { "MAX",		SYM(MAX_SYM),0,0},
   { "MBRCONTAINS",	SYM(FUNC_ARG2),0,CREATE_FUNC(create_func_contains)},
@@ -602,7 +611,7 @@ static SYMBOL sql_functions[] = {
   { "RTRIM",		SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_rtrim)},
   { "SEC_TO_TIME",	SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_sec_to_time)},
   { "SESSION_USER",	SYM(USER),0,0},
-  { "SUBDATE",		SYM(DATE_SUB_INTERVAL),0,0},
+  { "SUBDATE",		SYM(SUBDATE_SYM),0,0},
   { "SIGN",		SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_sign)},
   { "SIN",		SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_sin)},
   { "SHA",              SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_sha)},
@@ -617,12 +626,14 @@ static SYMBOL sql_functions[] = {
   { "STRCMP",		SYM(FUNC_ARG2),0,CREATE_FUNC(create_func_strcmp)},
   { "SUBSTRING",	SYM(SUBSTRING),0,0},
   { "SUBSTRING_INDEX",	SYM(SUBSTRING_INDEX),0,0},
+  { "SUBTIME",          SYM(FUNC_ARG2),0,CREATE_FUNC(create_func_subtime)},
   { "SUM",		SYM(SUM_SYM),0,0},
   { "SYSDATE",		SYM(NOW_SYM),0,0},
   { "SYSTEM_USER",	SYM(USER),0,0},
   { "TAN",		SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_tan)},
   { "TIME_FORMAT",	SYM(FUNC_ARG2),0,CREATE_FUNC(create_func_time_format)},
   { "TIME_TO_SEC",	SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_time_to_sec)},
+  { "TIMEDIFF",         SYM(FUNC_ARG2),0,CREATE_FUNC(create_func_timediff)},
   { "TO_DAYS",		SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_to_days)},
   { "TOUCHES",		SYM(FUNC_ARG2),0,CREATE_FUNC(create_func_touches)},
   { "TRIM",		SYM(TRIM),0,0},
@@ -637,6 +648,7 @@ static SYMBOL sql_functions[] = {
   { "VERSION",		SYM(FUNC_ARG0),0,CREATE_FUNC(create_func_version)},
   { "WEEK",		SYM(WEEK_SYM),0,0},
   { "WEEKDAY",		SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_weekday)},
+  { "WEEKOFYEAR",	SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_weekofyear)},
   { "WITHIN",		SYM(FUNC_ARG2),0,CREATE_FUNC(create_func_within)},
   { "X",		SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_x)},
   { "Y",		SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_y)},

sql/mysql_priv.h

@@ -844,6 +844,7 @@ longlong str_to_datetime(const char *str,uint length,bool fuzzy_date);
 timestamp_type str_to_TIME(const char *str, uint length, TIME *l_time,
 			   bool fuzzy_date);
 void localtime_to_TIME(TIME *to, struct tm *from);
+void calc_time_from_sec(TIME *to, long seconds, long microseconds);
 
 int test_if_number(char *str,int *res,bool allow_wildcards);
 void change_byte(byte *,uint,char,char);

sql/protocol.cc

@@ -862,6 +862,8 @@ bool Protocol_simple::store(TIME *tm)
 			   (int) tm->hour,
 			   (int) tm->minute,
 			   (int) tm->second));
+  if (tm->second_part)
+    length+= my_sprintf(buff+length,(buff+length, ".%06d", (int)tm->second_part));
   return net_store_data((char*) buff, length);
 }
 
@@ -898,6 +900,8 @@ bool Protocol_simple::store_time(TIME *tm)
 			   (long) day*24L+(long) tm->hour,
 			   (int) tm->minute,
 			   (int) tm->second));
+  if (tm->second_part)
+    length+= my_sprintf(buff+length,(buff+length, ".%06d", (int)tm->second_part));
   return net_store_data((char*) buff, length);
 }
 

sql/sql_yacc.yy

@@ -163,6 +163,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
 %token  VARIANCE_SYM
 %token	STOP_SYM
 %token	SUM_SYM
+%token	ADDDATE_SYM
 %token	SUPER_SYM
 %token	TRUNCATE_SYM
 %token	UNLOCK_SYM
@@ -430,6 +431,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
 %token	VARYING
 %token	ZEROFILL
 
+%token	ADDDATE_SYM
 %token	AGAINST
 %token	ATAN
 %token	BETWEEN_SYM
@@ -444,6 +446,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
 %token	DATE_ADD_INTERVAL
 %token	DATE_SUB_INTERVAL
 %token	DAY_HOUR_SYM
+%token	DAY_MICROSECOND_SYM
 %token	DAY_MINUTE_SYM
 %token	DAY_SECOND_SYM
 %token	DAY_SYM
@@ -466,6 +469,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
 %token  GEOMETRYCOLLECTION
 %token  GROUP_CONCAT_SYM
 %token	GROUP_UNIQUE_USERS
+%token	HOUR_MICROSECOND_SYM
 %token	HOUR_MINUTE_SYM
 %token	HOUR_SECOND_SYM
 %token	HOUR_SYM
@@ -480,6 +484,8 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
 %token	LOCATE
 %token	MAKE_SET_SYM
 %token	MASTER_POS_WAIT
+%token  MICROSECOND_SYM
+%token	MINUTE_MICROSECOND_SYM
 %token	MINUTE_SECOND_SYM
 %token	MINUTE_SYM
 %token	MODE_SYM
@@ -504,7 +510,9 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
 %token	RIGHT
 %token	ROUND
 %token	SECOND_SYM
+%token	SECOND_MICROSECOND_SYM
 %token	SHARE_SYM
+%token	SUBDATE_SYM
 %token	SUBSTRING
 %token	SUBSTRING_INDEX
 %token	TRIM
@@ -2255,6 +2263,10 @@ simple_expr:
 	  { $$= ((Item*(*)(Item*,Item*))($1.symbol->create_func))($3,$5);}
 	| FUNC_ARG3 '(' expr ',' expr ',' expr ')'
 	  { $$= ((Item*(*)(Item*,Item*,Item*))($1.symbol->create_func))($3,$5,$7);}
+	| ADDDATE_SYM '(' expr ',' expr ')'
+	  { $$= new Item_date_add_interval($3, $5, INTERVAL_DAY, 0);}
+	| ADDDATE_SYM '(' expr ',' INTERVAL_SYM expr interval ')'
+	  { $$= new Item_date_add_interval($3, $6, $7, 0); }
 	| ATAN	'(' expr ')'
 	  { $$= new Item_func_atan($3); }
 	| ATAN	'(' expr ',' expr ')'
@@ -2289,6 +2301,10 @@ simple_expr:
 	    $$= new Item_func_database();
             Lex->safe_to_cache_query=0;
 	  }
+	| DATE_SYM '(' expr ')'
+	  { $$= new Item_func_date($3); }
+	| DAY_SYM '(' expr ')'
+	  { $$= new Item_func_dayofmonth($3); }
 	| ELT_FUNC '(' expr ',' expr_list ')'
 	  { $$= new Item_func_elt($3, *$5); }
 	| MAKE_SET_SYM '(' expr ',' expr_list ')'
@@ -2405,6 +2421,8 @@ simple_expr:
 	    $$= new Item_master_pos_wait($3, $5, $7);
 	    Lex->safe_to_cache_query=0; 
 	  }
+	| MICROSECOND_SYM '(' expr ')'
+	  { $$= new Item_func_microsecond($3); }
 	| MINUTE_SYM '(' expr ')'
 	  { $$= new Item_func_minute($3); }
 	| MOD_SYM '(' expr ',' expr ')'
@@ -2466,6 +2484,10 @@ simple_expr:
 	| ROUND '(' expr ')'
 	  { $$= new Item_func_round($3, new Item_int((char*)"0",0,1),0); }
 	| ROUND '(' expr ',' expr ')' { $$= new Item_func_round($3,$5,0); }
+	| SUBDATE_SYM '(' expr ',' expr ')'
+	  { $$= new Item_date_add_interval($3, $5, INTERVAL_DAY, 1);}
+	| SUBDATE_SYM '(' expr ',' INTERVAL_SYM expr interval ')'
+	  { $$= new Item_date_add_interval($3, $6, $7, 1); }
 	| SECOND_SYM '(' expr ')'
 	  { $$= new Item_func_second($3); }
 	| SUBSTRING '(' expr ',' expr ',' expr ')'
@@ -2478,6 +2500,10 @@ simple_expr:
 	  { $$= new Item_func_substr($3,$5); }
 	| SUBSTRING_INDEX '(' expr ',' expr ',' expr ')'
 	  { $$= new Item_func_substr_index($3,$5,$7); }
+	| TIME_SYM '(' expr ')'
+	  { $$= new Item_func_time($3); }
+	| TIMESTAMP '(' expr ',' expr ')'
+	  { $$= new Item_func_timestamp($3, $5); }
 	| TRIM '(' expr ')'
 	  { $$= new Item_func_trim($3,new Item_string(" ",1,default_charset_info)); }
 	| TRIM '(' LEADING opt_pad FROM expr ')'
@@ -2892,15 +2918,20 @@ using_list:
 
 interval:
 	 DAY_HOUR_SYM		{ $$=INTERVAL_DAY_HOUR; }
+	| DAY_MICROSECOND_SYM	{ $$=INTERVAL_DAY_MICROSECOND; }
 	| DAY_MINUTE_SYM	{ $$=INTERVAL_DAY_MINUTE; }
 	| DAY_SECOND_SYM	{ $$=INTERVAL_DAY_SECOND; }
 	| DAY_SYM		{ $$=INTERVAL_DAY; }
+	| HOUR_MICROSECOND_SYM	{ $$=INTERVAL_HOUR_MICROSECOND; }
 	| HOUR_MINUTE_SYM	{ $$=INTERVAL_HOUR_MINUTE; }
 	| HOUR_SECOND_SYM	{ $$=INTERVAL_HOUR_SECOND; }
 	| HOUR_SYM		{ $$=INTERVAL_HOUR; }
+	| MICROSECOND_SYM	{ $$=INTERVAL_MICROSECOND; }
+	| MINUTE_MICROSECOND_SYM	{ $$=INTERVAL_MINUTE_MICROSECOND; }
 	| MINUTE_SECOND_SYM	{ $$=INTERVAL_MINUTE_SECOND; }
 	| MINUTE_SYM		{ $$=INTERVAL_MINUTE; }
 	| MONTH_SYM		{ $$=INTERVAL_MONTH; }
+	| SECOND_MICROSECOND_SYM	{ $$=INTERVAL_SECOND_MICROSECOND; }
 	| SECOND_SYM		{ $$=INTERVAL_SECOND; }
 	| YEAR_MONTH_SYM	{ $$=INTERVAL_YEAR_MONTH; }
 	| YEAR_SYM		{ $$=INTERVAL_YEAR; };
@@ -4191,6 +4222,7 @@ user:
 
 keyword:
 	ACTION			{}
+	| ADDDATE_SYM		{}
 	| AFTER_SYM		{}
 	| AGAINST		{}
 	| AGGREGATE_SYM		{}
@@ -4349,6 +4381,7 @@ keyword:
 	| STATUS_SYM		{}
 	| STOP_SYM		{}
 	| STRING_SYM		{}
+	| SUBDATE_SYM		{}
 	| SUBJECT_SYM		{}
 	| SUPER_SYM		{}
 	| TEMPORARY		{}

sql/time.cc

@@ -567,7 +567,7 @@ bool str_to_time(const char *str,uint length,TIME *l_time)
   /* Get fractional second part */
   if ((end-str) >= 2 && *str == '.' && my_isdigit(&my_charset_latin1,str[1]))
   {
-    uint field_length=3;
+    uint field_length=5;
     str++; value=(uint) (uchar) (*str - '0');
     while (++str != end && 
            my_isdigit(&my_charset_latin1,str[0]) && 
@@ -590,6 +590,7 @@ bool str_to_time(const char *str,uint length,TIME *l_time)
   l_time->minute=date[2];
   l_time->second=date[3];
   l_time->second_part=date[4];
+  l_time->time_type= TIMESTAMP_TIME;
 
   /* Check if there is garbage at end of the TIME specification */
   if (str != end && current_thd->count_cuted_fields)
@@ -622,3 +623,13 @@ void localtime_to_TIME(TIME *to, struct tm *from)
   to->minute=	(int) from->tm_min;
   to->second=   (int) from->tm_sec;
 }
+
+void calc_time_from_sec(TIME *to, long seconds, long microseconds)
+{
+  long t_seconds;
+  to->hour= seconds/3600L;
+  t_seconds= seconds%3600L;
+  to->minute= t_seconds/60L;
+  to->second= t_seconds%60L;
+  to->second_part= microseconds;
+}