merge from latest 5.1

libmysqld/lib_sql.cc

@@ -51,6 +51,23 @@ extern "C" void unireg_clear(int exit_code)
   DBUG_VOID_RETURN;
 }
 
+/*
+  Wrapper error handler for embedded server to call client/server error 
+  handler based on whether thread is in client/server context
+*/
+
+static int embedded_error_handler(uint error, const char *str, myf MyFlags)
+{
+  DBUG_ENTER("embedded_error_handler");
+
+  /* 
+    If current_thd is NULL, it means restore_global has been called and 
+    thread is in client context, then call client error handler else call 
+    server error handler.
+  */
+  DBUG_RETURN(current_thd ? my_message_sql(error, str, MyFlags):
+              my_message_no_curses(error, str, MyFlags));
+}
 
 /*
   Reads error information from the MYSQL_DATA and puts
@@ -107,7 +124,8 @@ emb_advanced_command(MYSQL *mysql, enum enum_server_command command,
   if (mysql->status != MYSQL_STATUS_READY)
   {
     set_mysql_error(mysql, CR_COMMANDS_OUT_OF_SYNC, unknown_sqlstate);
-    return 1;
+    result= 1;
+    goto end;
   }
 
   /* Clear result variables */
@@ -147,6 +165,9 @@ emb_advanced_command(MYSQL *mysql, enum enum_server_command command,
 #if defined(ENABLED_PROFILING) && defined(COMMUNITY_SERVER)
   thd->profiling.finish_current_query();
 #endif
+
+end:
+  thd->restore_globals();
   return result;
 }
 
@@ -525,7 +546,10 @@ int init_embedded_server(int argc, char **argv, char **groups)
     return 1;
   }
 
-  error_handler_hook = my_message_sql;
+  /* 
+    set error_handler_hook to embedded_error_handler wrapper.
+  */
+  error_handler_hook= embedded_error_handler;
 
   acl_error= 0;
 #ifndef NO_EMBEDDED_ACCESS_CHECKS

mysql-test/r/func_time.result

@@ -1417,4 +1417,13 @@ NULL
 SELECT DATE_FORMAT('0000-00-11', '%w');
 DATE_FORMAT('0000-00-11', '%w')
 NULL
+#
+# Bug#12403504  AFTER FIX FOR #11889186 : ASSERTION FAILED: DELSUM+(INT) Y/4-TEMP > 0
+#
+SELECT MAKEDATE(11111111,1);
+MAKEDATE(11111111,1)
+NULL
+SELECT WEEK(DATE_ADD(FROM_DAYS(1),INTERVAL 1 MONTH), 1);
+WEEK(DATE_ADD(FROM_DAYS(1),INTERVAL 1 MONTH), 1)
+NULL
 End of 5.1 tests

mysql-test/suite/rpl/r/rpl_relayspace.result

 include/master-slave.inc
 [connection master]
-stop slave;
+include/stop_slave.inc
 create table t1 (a int);
 drop table t1;
 create table t1 (a int);
@@ -8,10 +8,8 @@ drop table t1;
 reset slave;
 start slave io_thread;
 include/wait_for_slave_param.inc [Slave_IO_State]
-stop slave io_thread;
+include/stop_slave_io.inc
 reset slave;
-start slave;
-select master_pos_wait('master-bin.001',200,6)=-1;
-master_pos_wait('master-bin.001',200,6)=-1
-0
+include/start_slave.inc
+include/assert.inc [Assert that master_pos_wait does not timeout nor it returns NULL]
 include/rpl_end.inc

mysql-test/suite/rpl/t/rpl_relayspace.test

@@ -2,8 +2,9 @@
 # to force the deadlock after one event.
 
 source include/master-slave.inc;
+--let $master_log_file= query_get_value(SHOW MASTER STATUS, File, 1)
 connection slave;
-stop slave;
+--source include/stop_slave.inc
 connection master;
 # This will generate a master's binlog > 10 bytes
 create table t1 (a int);
@@ -19,20 +20,33 @@ let $slave_param_value= Waiting for the slave SQL thread to free enough relay lo
 source include/wait_for_slave_param.inc;
 
 # A bug caused the I/O thread to refuse stopping.
-stop slave io_thread;
+--source include/stop_slave_io.inc
 reset slave;
-start slave;
-# The I/O thread stops filling the relay log when
-# it's >10b. And the SQL thread cannot purge this relay log
-# as purge is done only when the SQL thread switches to another
-# relay log, which does not exist here.
-# So we should have a deadlock.
-# if it is not resolved automatically we'll detect
-# it with master_pos_wait that waits for farther than 1Ob;
-# it will timeout after 10 seconds;
-# also the slave will probably not cooperate to shutdown
-# (as 2 threads are locked)
-select master_pos_wait('master-bin.001',200,6)=-1;
+--source include/start_slave.inc
+
+# The I/O thread stops filling the relay log when it's >10b. And the
+# SQL thread cannot purge this relay log as purge is done only when
+# the SQL thread switches to another relay log, which does not exist
+# here.  So we should have a deadlock.  If it is not resolved
+# automatically we'll detect it with master_pos_wait that waits for
+# farther than 1Ob; it will timeout after 300 seconds (which is inline
+# with the default used for sync_slave_with_master and will protect us
+# against slow test envs); also the slave will probably not cooperate
+# to shutdown (as 2 threads are locked)
+--let $outcome= `SELECT MASTER_POS_WAIT('$master_log_file',200,300) AS mpw;`
+
+# master_pos_wait returns:
+#
+# * >= 0, the number of events the slave had to wait to advance to the
+#         position
+#
+# * -1,   if there was a timeout
+#
+# * NULL, if an error occurred, or the SQL thread was not started,
+#         slave master info is not initialized, the arguments are incorrect
+--let $assert_text= Assert that master_pos_wait does not timeout nor it returns NULL
+--let $assert_cond= $outcome IS NOT NULL AND $outcome <> -1
+--source include/assert.inc
 
 # End of 4.1 tests
 --source include/rpl_end.inc

mysql-test/t/func_time.test

@@ -921,4 +921,11 @@ SELECT DATE_FORMAT('0000-00-11', '%W');
 SELECT DATE_FORMAT('0000-00-11', '%a');
 SELECT DATE_FORMAT('0000-00-11', '%w');
 
+--echo #
+--echo # Bug#12403504  AFTER FIX FOR #11889186 : ASSERTION FAILED: DELSUM+(INT) Y/4-TEMP > 0
+--echo #
+
+SELECT MAKEDATE(11111111,1);
+SELECT WEEK(DATE_ADD(FROM_DAYS(1),INTERVAL 1 MONTH), 1);
+
 --echo End of 5.1 tests

sql/item_timefunc.cc

@@ -1519,6 +1519,11 @@ 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, &ltime->year, &ltime->month, &ltime->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;
 }
@@ -2697,7 +2702,7 @@ 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)
@@ -2740,7 +2745,7 @@ 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)

sql/mysql_priv.h

@@ -670,6 +670,10 @@ enum enum_check_fields
 extern "C" THD *_current_thd_noinline();
 #define _current_thd() _current_thd_noinline()
 #else
+/*
+  THR_THD is a key which will be used to set/get THD* for a thread,
+  using my_pthread_setspecific_ptr()/my_thread_getspecific_ptr().
+*/
 extern pthread_key(THD*, THR_THD);
 inline THD *_current_thd(void)
 {
@@ -2022,6 +2026,10 @@ extern TABLE_LIST general_log, slow_log;
 extern FILE *bootstrap_file;
 extern int bootstrap_error;
 extern FILE *stderror_file;
+/*
+  THR_MALLOC is a key which will be used to set/get MEM_ROOT** for a thread,
+  using my_pthread_setspecific_ptr()/my_thread_getspecific_ptr().
+*/
 extern pthread_key(MEM_ROOT**,THR_MALLOC);
 extern pthread_mutex_t LOCK_mysql_create_db,LOCK_Acl,LOCK_open, LOCK_lock_db,
        LOCK_mapped_file,LOCK_user_locks, LOCK_status,

sql/sql_class.cc

@@ -1195,6 +1195,25 @@ bool THD::store_globals()
   return 0;
 }
 
+/*
+  Remove the thread specific info (THD and mem_root pointer) stored during
+  store_global call for this thread.
+*/
+bool THD::restore_globals()
+{
+  /*
+    Assert that thread_stack is initialized: it's necessary to be able
+    to track stack overrun.
+  */
+  DBUG_ASSERT(thread_stack);
+  
+  /* Undocking the thread specific data. */
+  my_pthread_setspecific_ptr(THR_THD, NULL);
+  my_pthread_setspecific_ptr(THR_MALLOC, NULL);
+  
+  return 0;
+}
+
 
 /*
   Cleanup after query.

sql/sql_class.h

@@ -1943,6 +1943,7 @@ class THD :public Statement,
   void cleanup(void);
   void cleanup_after_query();
   bool store_globals();
+  bool restore_globals();
 #ifdef SIGNAL_WITH_VIO_CLOSE
   inline void set_active_vio(Vio* vio)
   {