Merge 5.3->5.5

pending merges:
  Alexander Barkov 2013-12-02 MDEV-4857 Wrong result of HOUR('1 00:00:00')

mysql-test/r/func_time.result

@@ -365,7 +365,7 @@ extract(DAY_MINUTE FROM "02 10:11:12")
 21011
 select extract(DAY_SECOND FROM "225 10:11:12");
 extract(DAY_SECOND FROM "225 10:11:12")
-8385959
+34225959
 Warnings:
 Warning	1292	Truncated incorrect time value: '225 10:11:12'
 select extract(HOUR FROM "1999-01-02 10:11:12");
@@ -1025,7 +1025,7 @@ Note	1105	Cast to unsigned converted negative integer to it's positive complemen
 Warning	1292	Truncated incorrect time value: '18446744073709551615:00:00'
 SELECT EXTRACT(HOUR FROM '100000:02:03');
 EXTRACT(HOUR FROM '100000:02:03')
-838
+22
 Warnings:
 Warning	1292	Truncated incorrect time value: '100000:02:03'
 CREATE TABLE t1(f1 TIME);
@@ -2347,3 +2347,30 @@ DROP TABLE t1;
 SELECT MAKETIME(0, 0, -0.1);
 MAKETIME(0, 0, -0.1)
 NULL
+#
+# MDEV-4857 Wrong result of HOUR('1 00:00:00')
+#
+SELECT HOUR('1 02:00:00'), HOUR('26:00:00');
+HOUR('1 02:00:00')	HOUR('26:00:00')
+26	26
+SELECT HOUR(TIME'1 02:00:00'), HOUR(TIME'26:00:00');
+HOUR(TIME'1 02:00:00')	HOUR(TIME'26:00:00')
+26	26
+SELECT HOUR(TIME('1 02:00:00')), HOUR(TIME('26:00:00'));
+HOUR(TIME('1 02:00:00'))	HOUR(TIME('26:00:00'))
+26	26
+SELECT DAY(TIME('1 02:00:00')), DAY(TIME('26:00:00'));
+DAY(TIME('1 02:00:00'))	DAY(TIME('26:00:00'))
+0	0
+SELECT EXTRACT(HOUR FROM '1 02:00:00'), EXTRACT(HOUR FROM '26:00:00');
+EXTRACT(HOUR FROM '1 02:00:00')	EXTRACT(HOUR FROM '26:00:00')
+2	2
+SELECT EXTRACT(HOUR FROM TIME'1 02:00:00'), EXTRACT(HOUR FROM TIME'26:00:00');
+EXTRACT(HOUR FROM TIME'1 02:00:00')	EXTRACT(HOUR FROM TIME'26:00:00')
+2	2
+SELECT EXTRACT(HOUR FROM TIME('1 02:00:00')), EXTRACT(HOUR FROM TIME('26:00:00'));
+EXTRACT(HOUR FROM TIME('1 02:00:00'))	EXTRACT(HOUR FROM TIME('26:00:00'))
+2	2
+SELECT EXTRACT(DAY FROM TIME('1 02:00:00')), EXTRACT(DAY FROM TIME('26:00:00'));
+EXTRACT(DAY FROM TIME('1 02:00:00'))	EXTRACT(DAY FROM TIME('26:00:00'))
+1	1

mysql-test/t/func_time.test

@@ -1435,3 +1435,15 @@ DROP TABLE t1;
 --echo #
 SELECT MAKETIME(0, 0, -0.1);
 
+--echo #
+--echo # MDEV-4857 Wrong result of HOUR('1 00:00:00')
+--echo #
+SELECT HOUR('1 02:00:00'), HOUR('26:00:00');
+SELECT HOUR(TIME'1 02:00:00'), HOUR(TIME'26:00:00');
+SELECT HOUR(TIME('1 02:00:00')), HOUR(TIME('26:00:00'));
+SELECT DAY(TIME('1 02:00:00')), DAY(TIME('26:00:00'));
+
+SELECT EXTRACT(HOUR FROM '1 02:00:00'), EXTRACT(HOUR FROM '26:00:00');
+SELECT EXTRACT(HOUR FROM TIME'1 02:00:00'), EXTRACT(HOUR FROM TIME'26:00:00');
+SELECT EXTRACT(HOUR FROM TIME('1 02:00:00')), EXTRACT(HOUR FROM TIME('26:00:00'));
+SELECT EXTRACT(DAY FROM TIME('1 02:00:00')), EXTRACT(DAY FROM TIME('26:00:00'));

sql-common/my_time.c

@@ -645,8 +645,8 @@ fractional:
   
   l_time->year=         0;                      /* For protocol::store_time */
   l_time->month=        0;
-  l_time->day=          date[0];
-  l_time->hour=         date[1];
+  l_time->day=          0;
+  l_time->hour=         date[1] + date[0] * 24; /* Mix days and hours */
   l_time->minute=       date[2];
   l_time->second=       date[3];
   l_time->second_part=  date[4];

sql/item_func.h

@@ -159,7 +159,9 @@ public:
                                   Item **item, uint nitems);
   inline bool get_arg0_time(MYSQL_TIME *ltime)
   {
-    return (null_value=args[0]->get_time(ltime));
+    null_value= args[0]->get_time(ltime);
+    DBUG_ASSERT(ltime->time_type != MYSQL_TIMESTAMP_TIME || ltime->day == 0);
+    return null_value;
   }
   bool is_null() { 
     update_null_value();

sql/item_timefunc.cc

@@ -2142,6 +2142,10 @@ longlong Item_extract::val_int()
     return 0;
   neg= ltime.neg ? -1 : 1;
 
+  DBUG_ASSERT(ltime.time_type != MYSQL_TIMESTAMP_TIME ||  ltime.day == 0);
+  if (ltime.time_type == MYSQL_TIMESTAMP_TIME)
+    time_to_daytime_interval(&ltime);
+
   switch (int_type) {
   case INTERVAL_YEAR:		return ltime.year;
   case INTERVAL_YEAR_MONTH:	return ltime.year*100L+ltime.month;

sql/sql_time.cc

@@ -1085,3 +1085,22 @@ int my_time_compare(MYSQL_TIME *a, MYSQL_TIME *b)
   return 0;
 }
 
+
+/*
+  Convert a TIME value to DAY-TIME interval, e.g. for extraction:
+    EXTRACT(DAY FROM x), EXTRACT(HOUR FROM x), etc.
+  Moves full days from ltime->hour to ltime->day.
+  Note, time_type is set to MYSQL_TIMESTAMP_NONE, to make sure that
+  the structure is not used for anything else other than extraction:
+  non-extraction TIME functions expect zero day value!
+*/
+void time_to_daytime_interval(MYSQL_TIME *ltime)
+{
+  DBUG_ASSERT(ltime->time_type == MYSQL_TIMESTAMP_TIME);
+  DBUG_ASSERT(ltime->year == 0);
+  DBUG_ASSERT(ltime->month == 0);
+  DBUG_ASSERT(ltime->day == 0);
+  ltime->day= ltime->hour / 24;
+  ltime->hour%= 24;
+  ltime->time_type= MYSQL_TIMESTAMP_NONE;
+}

sql/sql_time.h

@@ -33,6 +33,7 @@ typedef struct st_known_date_time_format KNOWN_DATE_TIME_FORMAT;
 
 ulong convert_period_to_month(ulong period);
 ulong convert_month_to_period(ulong month);
+void time_to_daytime_interval(MYSQL_TIME *l_time);
 bool get_date_from_daynr(long daynr,uint *year, uint *month, uint *day);
 my_time_t TIME_to_timestamp(THD *thd, const MYSQL_TIME *t, uint *error_code);
 bool str_to_time_with_warn(CHARSET_INFO *cs, const char *str, uint length,