manual merge

mysql-test/r/events.result:
  Auto merged
sql/event.cc:
  Auto merged
sql/event_timed.cc:
  Auto merged
sql/item_timefunc.cc:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/sql_show.cc:
  Auto merged

mysql-test/r/events.result

@@ -106,7 +106,6 @@ drop event if exists event3;
 Warnings:
 Note	1305	Event event3 does not exist
 create event event3 on schedule every 50 + 10 minute starts date_add("20100101", interval 5 minute) ends date_add("20151010", interval 5 day) comment "portokala_comment" DO insert into t_event3 values (unix_timestamp(), rand());
-set max_allowed_packet=128000000;
 select count(*) from t_event3;
 count(*)
 0
@@ -232,6 +231,9 @@ Db	Name	Definer	Type	Execute at	Interval value	Interval field	Starts	Ends	Status
 events_test	intact_check	root@localhost	RECURRING	NULL	10	HOUR	#	#	ENABLED
 CREATE TABLE event_like LIKE mysql.event;
 INSERT INTO event_like SELECT * FROM mysql.event;
+ALTER TABLE mysql.event MODIFY db char(64) character set cp1251 default '';
+SELECT event_name FROM INFORMATION_SCHEMA.EVENTS;
+ERROR HY000: Cannot load from mysql.event. Table probably corrupted. See error log.
 ALTER TABLE mysql.event MODIFY db char(20) character set utf8 collate utf8_bin default '';
 SHOW CREATE TABLE mysql.event;
 Table	Create Table
@@ -260,11 +262,10 @@ ALTER TABLE mysql.event MODIFY db char(64) character set utf8 collate utf8_bin d
 "This should work"
 SHOW EVENTS;
 Db	Name	Definer	Type	Execute at	Interval value	Interval field	Starts	Ends	Status
-events_test	intact_check	root@localhost	RECURRING	NULL	10	HOUR	#	#	ENABLED
-ALTER TABLE mysql.event MODIFY db char(64) character set cp1251 default '';
-SELECT event_name FROM INFORMATION_SCHEMA.EVENTS;
-ERROR HY000: Cannot load from mysql.event. Table probably corrupted. See error log.
+events_test                                                 	intact_check	root@localhost	RECURRING	NULL	10	HOUR	#	#	ENABLED
 ALTER TABLE mysql.event MODIFY db varchar(64) character set utf8 collate utf8_bin default '';
+Warnings:
+Warning	1265	Data truncated for column 'db' at row 1
 SELECT event_name FROM INFORMATION_SCHEMA.EVENTS;
 ERROR HY000: Cannot load from mysql.event. Table probably corrupted. See error log.
 ALTER TABLE mysql.event DROP comment, DROP starts;

mysql-test/r/events_scheduling.result

+CREATE DATABASE IF NOT EXISTS events_test;
+USE events_test;
+CREATE TABLE table_1(a int);
+CREATE TABLE table_2(a int);
+CREATE TABLE table_3(a int);
+CREATE TABLE table_4(a int);
+SET GLOBAL event_scheduler=1;
+CREATE EVENT two_sec ON SCHEDULE EVERY 2 SECOND DO INSERT INTO table_1 VALUES(1);
+CREATE EVENT start_n_end
+ON SCHEDULE EVERY 1 SECOND
+ENDS NOW() + INTERVAL 6 SECOND
+ON COMPLETION PRESERVE
+DO INSERT INTO table_2 VALUES(1);
+CREATE EVENT only_one_time ON SCHEDULE EVERY 2 SECOND ENDS NOW() + INTERVAL 1 SECOND DO INSERT INTO table_3 VALUES(1);
+CREATE EVENT two_time ON SCHEDULE EVERY 1 SECOND ENDS NOW() + INTERVAL 1 SECOND DO INSERT INTO table_4 VALUES(1);
+SELECT IF(SUM(a) >= 4, 'OK', 'ERROR') FROM table_1;
+IF(SUM(a) >= 4, 'OK', 'ERROR')
+OK
+SELECT IF(SUM(a) >= 5, 'OK', 'ERROR') FROM table_2;
+IF(SUM(a) >= 5, 'OK', 'ERROR')
+OK
+SELECT IF(SUM(a) >  0, 'OK', 'ERROR') FROM table_3;
+IF(SUM(a) >  0, 'OK', 'ERROR')
+OK
+SELECT IF(SUM(a) >  0, 'OK', 'ERROR') FROM table_4;
+IF(SUM(a) >  0, 'OK', 'ERROR')
+OK
+DROP EVENT two_sec;
+SELECT IF(TIME_TO_SEC(TIMEDIFF(ENDS,STARTS))=6, 'OK', 'ERROR') FROM INFORMATION_SCHEMA.EVENTS WHERE EVENT_SCHEMA=DATABASE() AND EVENT_NAME='start_n_end' AND ENDS IS NOT NULL;
+IF(TIME_TO_SEC(TIMEDIFF(ENDS,STARTS))=6, 'OK', 'ERROR')
+OK
+SELECT IF(LAST_EXECUTED-ENDS < 2, 'OK', 'ERROR') FROM INFORMATION_SCHEMA.EVENTS WHERE EVENT_SCHEMA=DATABASE() AND EVENT_NAME='start_n_end' AND ENDS IS NOT NULL;
+IF(LAST_EXECUTED-ENDS < 2, 'OK', 'ERROR')
+OK
+DROP EVENT start_n_end;
+"Already dropped because ended. Therefore an error."
+DROP EVENT only_one_time;
+ERROR HY000: Unknown event 'only_one_time'
+"Already dropped because ended. Therefore an error."
+DROP EVENT two_time;
+ERROR HY000: Unknown event 'two_time'
+DROP TABLE table_1;
+DROP TABLE table_2;
+DROP TABLE table_3;
+DROP TABLE table_4;
+DROP DATABASE events_test;

mysql-test/t/events.test

@@ -101,7 +101,6 @@ set global event_scheduler = 0;
 create table t_event3 (a int, b float);
 drop event if exists event3;
 create event event3 on schedule every 50 + 10 minute starts date_add("20100101", interval 5 minute) ends date_add("20151010", interval 5 day) comment "portokala_comment" DO insert into t_event3 values (unix_timestamp(), rand());
-set max_allowed_packet=128000000;
 select count(*) from t_event3;
 drop event event3;
 drop table t_event3;
@@ -148,8 +147,8 @@ SHOW CREATE EVENT root19;
 create event root20 on schedule every '50:20:12:45' day_second do select 1;
 SHOW CREATE EVENT root20;
 set names cp1251;
-create event ðóóò21 on schedule every '50:23:59:95' day_second COMMENT 'òîâà å 1251 êîìåíòàð' do select 1;
-SHOW CREATE EVENT ðóóò21;
+create event ðóóò21 on schedule every '50:23:59:95' day_second COMMENT 'òîâà å 1251 êîìåíòàð' do select 1;
+SHOW CREATE EVENT ðóóò21;
 insert into mysql.event (db, name, body, definer, interval_value, interval_field) values (database(), "root22", "select 1", user(), 100, "SECOND_MICROSECOND");
 --error 1235
 show create event root22;
@@ -174,7 +173,7 @@ drop event root17_1;
 drop event root18;
 drop event root19;
 drop event root20;
-drop event ðóóò21;
+drop event ðóóò21;
 
 set names latin1;
 #
@@ -202,6 +201,9 @@ CREATE TABLE event_like LIKE mysql.event;
 INSERT INTO event_like SELECT * FROM mysql.event;
 #sleep a bit or we won't catch the change of time
 --sleep 1
+ALTER TABLE mysql.event MODIFY db char(64) character set cp1251 default '';
+--error 1526
+SELECT event_name FROM INFORMATION_SCHEMA.EVENTS;
 ALTER TABLE mysql.event MODIFY db char(20) character set utf8 collate utf8_bin default '';
 #wait a bit or we won't see the difference because of seconds resolution
 --sleep 1
@@ -220,6 +222,7 @@ ALTER TABLE mysql.event MODIFY db char(64) character set cp1251 default '';
 SELECT event_name FROM INFORMATION_SCHEMA.EVENTS;
 --sleep 1
 ALTER TABLE mysql.event MODIFY db varchar(64) character set utf8 collate utf8_bin default '';
+--sleep 1
 --error ER_CANNOT_LOAD_FROM_TABLE
 SELECT event_name FROM INFORMATION_SCHEMA.EVENTS;
 --sleep 1
@@ -412,7 +415,8 @@ select 1;
 select event_schema, event_name, definer, event_body from information_schema.events where event_name='white_space';
 drop event white_space;
 create event white_space on schedule every 10 hour disable do
-select 2;
+
+select 2;
 select event_schema, event_name, definer, event_body from information_schema.events where event_name='white_space';
 drop event white_space;
 create event white_space on schedule every 10 hour disable do	select 3;
@@ -422,7 +426,7 @@ drop event white_space;
 # END:  BUG #17453: Creating Event crash the server
 #
 
-#
+##set global event_scheduler=1;
 # Bug#17403 "Events: packets out of order with show create event"
 #
 create event e1 on schedule every 1 year do set @a = 5;
@@ -436,7 +440,7 @@ drop event e1;
 ##select get_lock("test_lock3", 20);
 ##create event закачка on schedule every 10 hour do select get_lock("test_lock3", 20);
 ##select sleep(2);
-##select /*7*/ user, host, db, command, state, info from information_schema.processlist where info is null or info not like '%processlist%' order by info;
+##show processlist;
 ##drop event закачка;
 ##select release_lock("test_lock3");
 
@@ -446,13 +450,14 @@ drop event e1;
 ##select get_lock("test_lock4", 20);
 ##create event закачка4 on schedule every 1 second do select get_lock("test_lock4", 20);
 ##select sleep(3);
-##select /*8*/ user, host, db, command, state, info from information_schema.processlist where info is null or info not like '%processlist%' order by info;
+##--replace_column 1 # 6 #
 ##drop event закачка4;
 ##select release_lock("test_lock4");
 
 ##set global event_scheduler=0;
 ##select sleep(2);
-##select /*9*/ user, host, db, command, state, info from information_schema.processlist where info is null or info not like '%processlist%' order by info;
+##--replace_column 1 # 6 #
 ##select count(*) from mysql.event;
 
 drop database events_test;
+

mysql-test/t/events_scheduling.test

+CREATE DATABASE IF NOT EXISTS events_test;
+USE events_test;
+CREATE TABLE table_1(a int);
+CREATE TABLE table_2(a int);
+CREATE TABLE table_3(a int);
+CREATE TABLE table_4(a int);
+SET GLOBAL event_scheduler=1;
+CREATE EVENT two_sec ON SCHEDULE EVERY 2 SECOND DO INSERT INTO table_1 VALUES(1);
+CREATE EVENT start_n_end
+  ON SCHEDULE EVERY 1 SECOND
+  ENDS NOW() + INTERVAL 6 SECOND
+  ON COMPLETION PRESERVE
+  DO INSERT INTO table_2 VALUES(1);
+--sleep 5
+CREATE EVENT only_one_time ON SCHEDULE EVERY 2 SECOND ENDS NOW() + INTERVAL 1 SECOND DO INSERT INTO table_3 VALUES(1);
+CREATE EVENT two_time ON SCHEDULE EVERY 1 SECOND ENDS NOW() + INTERVAL 1 SECOND DO INSERT INTO table_4 VALUES(1);
+--sleep 5
+SELECT IF(SUM(a) >= 4, 'OK', 'ERROR') FROM table_1;
+SELECT IF(SUM(a) >= 5, 'OK', 'ERROR') FROM table_2;
+SELECT IF(SUM(a) >  0, 'OK', 'ERROR') FROM table_3;
+SELECT IF(SUM(a) >  0, 'OK', 'ERROR') FROM table_4;
+DROP EVENT two_sec;
+SELECT IF(TIME_TO_SEC(TIMEDIFF(ENDS,STARTS))=6, 'OK', 'ERROR') FROM INFORMATION_SCHEMA.EVENTS WHERE EVENT_SCHEMA=DATABASE() AND EVENT_NAME='start_n_end' AND ENDS IS NOT NULL;
+SELECT IF(LAST_EXECUTED-ENDS < 2, 'OK', 'ERROR') FROM INFORMATION_SCHEMA.EVENTS WHERE EVENT_SCHEMA=DATABASE() AND EVENT_NAME='start_n_end' AND ENDS IS NOT NULL;
+DROP EVENT start_n_end;
+--echo "Already dropped because ended. Therefore an error."
+--error 1517
+DROP EVENT only_one_time;
+--echo "Already dropped because ended. Therefore an error."
+--error 1517
+DROP EVENT two_time;
+DROP TABLE table_1;
+DROP TABLE table_2;
+DROP TABLE table_3;
+DROP TABLE table_4;
+DROP DATABASE events_test;

sql/event.cc

@@ -1051,13 +1051,6 @@ evex_load_and_compile_event(THD * thd, sp_name *spn, LEX_STRING definer,
   thd->restore_backup_open_tables_state(&backup);
   if (ret)
     goto done;
-
-  /*
-    allocate on evex_mem_root. if you call without evex_mem_root
-    then sphead will not be cleared!
-  */
-  if ((ret= ett->compile(thd, &evex_mem_root)))
-    goto done;
   
   ett->compute_next_execution_time();
   if (use_lock)

sql/event_executor.cc

@@ -42,6 +42,8 @@ pthread_mutex_t LOCK_event_arrays,              // mutex for when working with t
                 LOCK_workers_count,             // mutex for when inc/dec uint workers_count
                 LOCK_evex_running;              // mutes for managing bool evex_is_running
 
+static pthread_mutex_t LOCK_evex_main_thread;   // mutex for when working with the queue
+bool scheduler_main_thread_running= false;
 
 bool evex_is_running= false;
 
@@ -111,6 +113,7 @@ evex_init_mutexes()
   pthread_mutex_init(&LOCK_event_arrays, MY_MUTEX_INIT_FAST);
   pthread_mutex_init(&LOCK_workers_count, MY_MUTEX_INIT_FAST);
   pthread_mutex_init(&LOCK_evex_running, MY_MUTEX_INIT_FAST);
+  pthread_mutex_init(&LOCK_evex_main_thread, MY_MUTEX_INIT_FAST);
 
   event_executor_running_global_var= opt_event_executor;
 }
@@ -241,6 +244,7 @@ shutdown_events()
     pthread_mutex_destroy(&LOCK_event_arrays);
     pthread_mutex_destroy(&LOCK_workers_count);
     pthread_mutex_destroy(&LOCK_evex_running);
+    pthread_mutex_destroy(&LOCK_evex_main_thread);
   }
   DBUG_VOID_RETURN;
 }
@@ -351,6 +355,7 @@ executor_wait_till_next_event_exec(THD *thd)
   t2sleep= evex_time_diff(&et->execute_at, &time_now);
   VOID(pthread_mutex_unlock(&LOCK_event_arrays));
 
+  t2sleep*=20;
   DBUG_PRINT("evex main thread",("unlocked LOCK_event_arrays"));
   if (t2sleep > 0)
   {
@@ -366,7 +371,7 @@ executor_wait_till_next_event_exec(THD *thd)
              modified))
     {
       DBUG_PRINT("evex main thread",("will sleep a bit more."));
-      my_sleep(1000000);
+      my_sleep(50000);
     }
     DBUG_PRINT("info",("saved_modified=%llu current=%llu", modified,
                evex_queue_num_elements(EVEX_EQ_NAME)? 
@@ -407,10 +412,23 @@ event_executor_main(void *arg)
   THD *thd;			/* needs to be first for thread_stack */
   uint i=0, j=0;
   my_ulonglong cnt= 0;
-
+  
   DBUG_ENTER("event_executor_main");
   DBUG_PRINT("event_executor_main", ("EVEX thread started"));
-
+  
+  pthread_mutex_lock(&LOCK_evex_main_thread);
+  if (!scheduler_main_thread_running)
+    scheduler_main_thread_running= true;
+  else 
+  {
+    DBUG_PRINT("event_executor_main", ("already running. thd_id=%d",
+                                      evex_main_thread_id));
+    pthread_mutex_unlock(&LOCK_evex_main_thread);
+    my_thread_end();
+    pthread_exit(0);
+    DBUG_RETURN(0);                               // Can't return anything here    
+  }
+  pthread_mutex_unlock(&LOCK_evex_main_thread);
 
   /* init memory root */
   init_alloc_root(&evex_mem_root, MEM_ROOT_BLOCK_SIZE, MEM_ROOT_PREALLOC);
@@ -489,7 +507,7 @@ event_executor_main(void *arg)
 
     if (!evex_queue_num_elements(EVEX_EQ_NAME))
     {
-      my_sleep(1000000);// sleep 1s
+      my_sleep(100000);// sleep 0.1s
       continue;
     }
 
@@ -652,12 +670,17 @@ event_executor_main(void *arg)
 err_no_thd:
   VOID(pthread_mutex_lock(&LOCK_evex_running));
   evex_is_running= false;  
+  event_executor_running_global_var= false;
   VOID(pthread_mutex_unlock(&LOCK_evex_running));
 
   free_root(&evex_mem_root, MYF(0));
   sql_print_information("SCHEDULER: Stopped.");
 
 #ifndef DBUG_FAULTY_THR
+  pthread_mutex_lock(&LOCK_evex_main_thread);
+  scheduler_main_thread_running= false;
+  pthread_mutex_unlock(&LOCK_evex_main_thread);
+
   my_thread_end();
   pthread_exit(0);
 #endif

sql/item_timefunc.cc

@@ -772,81 +772,6 @@ static bool get_interval_info(const char *str,uint length,CHARSET_INFO *cs,
 }
 
 
-/*
-  Calculate difference between two datetime values as seconds + microseconds.
-
-  SYNOPSIS
-    calc_time_diff()
-      l_time1         - TIME/DATE/DATETIME value
-      l_time2         - TIME/DATE/DATETIME value
-      l_sign          - 1 absolute values are substracted,
-                        -1 absolute values are added.
-      seconds_out     - Out parameter where difference between
-                        l_time1 and l_time2 in seconds is stored.
-      microseconds_out- Out parameter where microsecond part of difference
-                        between l_time1 and l_time2 is stored.
-
-  NOTE
-    This function calculates difference between l_time1 and l_time2 absolute
-    values. So one should set l_sign and correct result if he want to take
-    signs into account (i.e. for TIME values).
-
-  RETURN VALUES
-    Returns sign of difference.
-    1 means negative result
-    0 means positive result
-
-*/
-
-static bool calc_time_diff(TIME *l_time1, TIME *l_time2, int l_sign,
-                           longlong *seconds_out, long *microseconds_out)
-{
-  long days;
-  bool neg;
-  longlong microseconds;
-
-  /*
-    We suppose that if first argument is MYSQL_TIMESTAMP_TIME
-    the second argument should be TIMESTAMP_TIME also.
-    We should check it before calc_time_diff call.
-  */
-  if (l_time1->time_type == MYSQL_TIMESTAMP_TIME)  // Time value
-    days= (long)l_time1->day - l_sign * (long)l_time2->day;
-  else
-  {
-    days= calc_daynr((uint) l_time1->year,
-		     (uint) l_time1->month,
-		     (uint) l_time1->day);
-    if (l_time2->time_type == MYSQL_TIMESTAMP_TIME)
-      days-= l_sign * (long)l_time2->day;
-    else
-      days-= l_sign*calc_daynr((uint) l_time2->year,
-			       (uint) l_time2->month,
-			       (uint) l_time2->day);
-  }
-
-  microseconds= ((longlong)days*LL(86400) +
-                 (longlong)(l_time1->hour*3600L +
-                            l_time1->minute*60L +
-                            l_time1->second) -
-                 l_sign*(longlong)(l_time2->hour*3600L +
-                                   l_time2->minute*60L +
-                                   l_time2->second)) * LL(1000000) +
-                (longlong)l_time1->second_part -
-                l_sign*(longlong)l_time2->second_part;
-
-  neg= 0;
-  if (microseconds < 0)
-  {
-    microseconds= -microseconds;
-    neg= 1;
-  }
-  *seconds_out= microseconds/1000000L;
-  *microseconds_out= (long) (microseconds%1000000L);
-  return neg;
-}
-
-
 longlong Item_func_period_add::val_int()
 {
   DBUG_ASSERT(fixed == 1);
@@ -2031,16 +1956,13 @@ bool Item_date_add_interval::get_date(TIME *ltime, uint fuzzy_date)
   INTERVAL interval;
 
   if (args[0]->get_date(ltime, TIME_NO_ZERO_DATE) ||
-      get_interval_value(args[1],int_type,&value,&interval))
-    goto null_date;
+      get_interval_value(args[1], int_type, &value, &interval))
+    return (null_value=1);
 
   if (date_sub_interval)
     interval.neg = !interval.neg;
 
   return (null_value= date_add_interval(ltime, int_type, interval));
-
- null_date:
-  return (null_value=1);
 }
 
 

sql/mysql_priv.h

@@ -1549,6 +1549,8 @@ void make_truncated_value_warning(THD *thd, const char *str_val,
                                   const char *field_name);
 
 bool date_add_interval(TIME *ltime, interval_type int_type, INTERVAL interval);
+bool calc_time_diff(TIME *l_time1, TIME *l_time2, int l_sign,
+                    longlong *seconds_out, long *microseconds_out);
 
 extern DATE_TIME_FORMAT *date_time_format_make(timestamp_type format_type,
 					       const char *format_str,

sql/sql_show.cc

@@ -3980,7 +3980,7 @@ fill_events_copy_to_schema_table(THD *thd, TABLE *sch_table, TABLE *event_table)
   if (!(!wild || !wild[0] || !wild_compare(et.name.str, wild, 0)))
     DBUG_RETURN(0);
   
-  //->field[0] is EVENT_CATALOG and is by default NULL
+  /* ->field[0] is EVENT_CATALOG and is by default NULL */
   
   sch_table->field[1]->store(et.dbname.str, et.dbname.length, scs);
   sch_table->field[2]->store(et.name.str, et.name.length, scs);
@@ -4000,12 +4000,9 @@ fill_events_copy_to_schema_table(THD *thd, TABLE *sch_table, TABLE *event_table)
   if (et.expression)
   {
     String show_str;
-    //type
+    /* type */
     sch_table->field[5]->store(STRING_WITH_LEN("RECURRING"), scs);
-    /* execute_at */
-    sch_table->field[6]->set_null();
-    /* interval_value */
-    //interval_type
+
     if (event_reconstruct_interval_expression(&show_str, et.interval,
                                               et.expression))
       DBUG_RETURN(1);
@@ -4058,9 +4055,10 @@ fill_events_copy_to_schema_table(THD *thd, TABLE *sch_table, TABLE *event_table)
   sch_table->field[15]->store_time(&time, MYSQL_TIMESTAMP_DATETIME);
 
   if (et.last_executed.year)
+  {
+    sch_table->field[16]->set_notnull();
     sch_table->field[16]->store_time(&et.last_executed,MYSQL_TIMESTAMP_DATETIME);
-  else
-    sch_table->field[16]->set_null();
+  }
 
   sch_table->field[17]->store(et.comment.str, et.comment.length, scs);
 

sql/time.cc

@@ -833,4 +833,80 @@ bool date_add_interval(TIME *ltime, interval_type int_type, INTERVAL interval)
 }
 
 
+/*
+  Calculate difference between two datetime values as seconds + microseconds.
+
+  SYNOPSIS
+    calc_time_diff()
+      l_time1         - TIME/DATE/DATETIME value
+      l_time2         - TIME/DATE/DATETIME value
+      l_sign          - 1 absolute values are substracted,
+                        -1 absolute values are added.
+      seconds_out     - Out parameter where difference between
+                        l_time1 and l_time2 in seconds is stored.
+      microseconds_out- Out parameter where microsecond part of difference
+                        between l_time1 and l_time2 is stored.
+
+  NOTE
+    This function calculates difference between l_time1 and l_time2 absolute
+    values. So one should set l_sign and correct result if he want to take
+    signs into account (i.e. for TIME values).
+
+  RETURN VALUES
+    Returns sign of difference.
+    1 means negative result
+    0 means positive result
+
+*/
+
+bool
+calc_time_diff(TIME *l_time1, TIME *l_time2, int l_sign, longlong *seconds_out,
+               long *microseconds_out)
+{
+  long days;
+  bool neg;
+  longlong microseconds;
+
+  /*
+    We suppose that if first argument is MYSQL_TIMESTAMP_TIME
+    the second argument should be TIMESTAMP_TIME also.
+    We should check it before calc_time_diff call.
+  */
+  if (l_time1->time_type == MYSQL_TIMESTAMP_TIME)  // Time value
+    days= (long)l_time1->day - l_sign * (long)l_time2->day;
+  else
+  {
+    days= calc_daynr((uint) l_time1->year,
+		     (uint) l_time1->month,
+		     (uint) l_time1->day);
+    if (l_time2->time_type == MYSQL_TIMESTAMP_TIME)
+      days-= l_sign * (long)l_time2->day;
+    else
+      days-= l_sign*calc_daynr((uint) l_time2->year,
+			       (uint) l_time2->month,
+			       (uint) l_time2->day);
+  }
+
+  microseconds= ((longlong)days*LL(86400) +
+                 (longlong)(l_time1->hour*3600L +
+                            l_time1->minute*60L +
+                            l_time1->second) -
+                 l_sign*(longlong)(l_time2->hour*3600L +
+                                   l_time2->minute*60L +
+                                   l_time2->second)) * LL(1000000) +
+                (longlong)l_time1->second_part -
+                l_sign*(longlong)l_time2->second_part;
+
+  neg= 0;
+  if (microseconds < 0)
+  {
+    microseconds= -microseconds;
+    neg= 1;
+  }
+  *seconds_out= microseconds/1000000L;
+  *microseconds_out= (long) (microseconds%1000000L);
+  return neg;
+}
+
+
 #endif