Merge bk-internal.mysql.com:/home/bk/mysql-5.1

into  bodhi.(none):/opt/local/work/mysql-5.1-runtime

mysql-test/r/federated.result

@@ -1920,6 +1920,20 @@ a	b
 2	Curly
 drop table federated.t1;
 drop table federated.t1;
+
+Bug#18287 create federated table always times out, error 1159 ' '
+
+Test that self-references work
+
+create table federated.t1 (a int primary key);
+create table federated.t2 (a int primary key)
+ENGINE=FEDERATED
+connection='mysql://root@127.0.0.1:SLAVE_PORT/federated/t1';
+insert into federated.t1 (a) values (1);
+select * from federated.t2;
+a
+1
+drop table federated.t1, federated.t2;
 CREATE TABLE federated.t1 (a INT PRIMARY KEY) DEFAULT CHARSET=utf8;
 CREATE TABLE federated.t1 (a INT PRIMARY KEY)
 ENGINE=FEDERATED

mysql-test/r/lock.result

@@ -96,4 +96,74 @@ ERROR HY000: You can't combine write-locking of system tables with other tables
 LOCK TABLES mysql.time_zone READ, mysql.proc WRITE;
 ERROR HY000: You can't combine write-locking of system tables with other tables or lock types
 DROP TABLE t1;
+
+Bug#5719 impossible to lock VIEW
+
+Just covering existing behaviour with tests. 
+Consistency has not been found here.
+
+drop view if exists v_bug5719;
+drop table if exists t1, t2, t3;
+create table t1 (a int);
+create temporary table t2 (a int);
+create table t3 (a int);
+create view v_bug5719 as select 1;
+lock table v_bug5719 write;
+select * from t1;
+ERROR HY000: Table 't1' was not locked with LOCK TABLES
+
+Allowed to select from a temporary talbe under LOCK TABLES
+
+select * from t2;
+a
+select * from t3;
+ERROR HY000: Table 't3' was not locked with LOCK TABLES
+select * from v_bug5719;
+1
+1
+drop view v_bug5719;
+
+sic: did not left LOCK TABLES mode automatically
+
+select * from t1;
+ERROR HY000: Table 't1' was not locked with LOCK TABLES
+unlock tables;
+create view v_bug5719 as select * from t1;
+lock tables v_bug5719 write;
+select * from v_bug5719;
+a
+
+Allowed to use an underlying table under LOCK TABLES <view>
+
+select * from t1;
+a
+
+Allowed to select from a temporary table under LOCK TABLES
+
+select * from t2;
+a
+select * from t3;
+ERROR HY000: Table 't3' was not locked with LOCK TABLES
+drop table t1;
+
+sic: left LOCK TABLES mode
+
+select * from t3;
+a
+select * from v_bug5719;
+ERROR HY000: View 'test.v_bug5719' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
+unlock tables;
+drop view v_bug5719;
+
+When limitation to use temporary tables in views is removed, please
+add a test that shows what happens under LOCK TABLES when a view
+references a temporary table, is locked, and the underlying table
+is dropped.
+
+create view v_bug5719 as select * from t2;
+ERROR HY000: View's SELECT refers to a temporary table 't2'
+
+Cleanup.
+
+drop table t2, t3;
 End of 5.1 tests.

mysql-test/r/lock_multi.result

@@ -95,3 +95,13 @@ alter table t1 auto_increment=0; alter table t1 auto_increment=0; alter table t1
 alter table t1 auto_increment=0; alter table t1 auto_increment=0; alter table t1 auto_increment=0; alter table t1 auto_increment=0; alter table t1 auto_increment=0; //
 unlock tables;
 drop table t1;
+create table t1 (i int);
+lock table t1 read;
+update t1 set i= 10;;
+select * from t1;;
+kill query ID;
+i
+ERROR 70100: Query execution was interrupted
+unlock tables;
+drop table t1;
+End of 5.1 tests

mysql-test/t/federated.test

@@ -1725,6 +1725,20 @@ drop table federated.t1;
 connection slave;
 drop table federated.t1;
 
+--echo
+--echo Bug#18287 create federated table always times out, error 1159 ' '
+--echo
+--echo Test that self-references work
+--echo
+connection slave;
+create table federated.t1 (a int primary key);
+--replace_result $SLAVE_MYPORT SLAVE_PORT
+eval create table federated.t2 (a int primary key)
+  ENGINE=FEDERATED
+  connection='mysql://root@127.0.0.1:$SLAVE_MYPORT/federated/t1';
+insert into federated.t1 (a) values (1);
+select * from federated.t2;
+drop table federated.t1, federated.t2;
 
 #
 # BUG#29875 Disable support for transactions

mysql-test/t/lock.test

@@ -148,5 +148,70 @@ LOCK TABLES mysql.time_zone READ, mysql.proc WRITE;
 
 DROP TABLE t1;
 
+--echo
+--echo Bug#5719 impossible to lock VIEW
+--echo 
+--echo Just covering existing behaviour with tests. 
+--echo Consistency has not been found here.
+--echo
+--disable_warnings
+drop view if exists v_bug5719;
+drop table if exists t1, t2, t3;
+--enable_warnings
+create table t1 (a int);
+create temporary table t2 (a int);
+create table t3 (a int);
+create view v_bug5719 as select 1;
+lock table v_bug5719 write;
+--error ER_TABLE_NOT_LOCKED
+select * from t1;
+--echo
+--echo Allowed to select from a temporary talbe under LOCK TABLES
+--echo 
+select * from t2;
+--error ER_TABLE_NOT_LOCKED
+select * from t3;
+select * from v_bug5719;
+drop view v_bug5719;
+--echo
+--echo sic: did not left LOCK TABLES mode automatically
+--echo
+--error ER_TABLE_NOT_LOCKED
+select * from t1;
+unlock tables;
+create view v_bug5719 as select * from t1;
+lock tables v_bug5719 write;
+select * from v_bug5719;
+--echo
+--echo Allowed to use an underlying table under LOCK TABLES <view>
+--echo
+select * from t1;
+--echo
+--echo Allowed to select from a temporary table under LOCK TABLES
+--echo
+select * from t2;
+--error ER_TABLE_NOT_LOCKED
+select * from t3;
+drop table t1;
+--echo
+--echo sic: left LOCK TABLES mode
+--echo
+select * from t3;
+--error ER_VIEW_INVALID
+select * from v_bug5719;
+unlock tables;
+drop view v_bug5719;
+--echo
+--echo When limitation to use temporary tables in views is removed, please
+--echo add a test that shows what happens under LOCK TABLES when a view
+--echo references a temporary table, is locked, and the underlying table
+--echo is dropped.
+--echo
+--error ER_VIEW_SELECT_TMPTABLE
+create view v_bug5719 as select * from t2;
+--echo
+--echo Cleanup.
+--echo
+drop table t2, t3;
 
 --echo End of 5.1 tests.

mysql-test/t/lock_multi.test

@@ -270,3 +270,38 @@ drop table t1;
 
 # End of 5.0 tests
 
+
+#
+# Bug #21281 "Pending write lock is incorrectly removed when its
+#             statement being KILLed"
+#
+create table t1 (i int);
+connection locker;
+lock table t1 read;
+connection writer;
+--send update t1 set i= 10;
+connection reader;
+let $wait_condition=
+  select count(*) = 1 from information_schema.processlist
+  where state = "Locked" and info = "update t1 set i= 10";
+--source include/wait_condition.inc
+--send select * from t1;
+connection default;
+let $wait_condition=
+  select count(*) = 1 from information_schema.processlist
+  where state = "Locked" and info = "select * from t1";
+--source include/wait_condition.inc
+let $ID= `select id from information_schema.processlist where state = "Locked" and info = "update t1 set i= 10"`;
+--replace_result $ID ID
+eval kill query $ID;
+connection reader;
+--reap
+connection writer;
+--error ER_QUERY_INTERRUPTED 
+--reap
+connection locker;
+unlock tables;
+connection default;
+drop table t1;
+
+--echo End of 5.1 tests

mysys/thr_lock.c

@@ -384,6 +384,9 @@ static inline my_bool have_specific_lock(THR_LOCK_DATA *data,
 }
 
 
+static void wake_up_waiters(THR_LOCK *lock);
+
+
 static enum enum_thr_lock_result
 wait_for_lock(struct st_lock_list *wait, THR_LOCK_DATA *data,
               my_bool in_wait_list)
@@ -445,8 +448,13 @@ wait_for_lock(struct st_lock_list *wait, THR_LOCK_DATA *data,
       else
 	wait->last=data->prev;
       data->type= TL_UNLOCK;                    /* No lock */
+      check_locks(data->lock, "killed or timed out wait_for_lock", 1);
+      wake_up_waiters(data->lock);
+    }
+    else
+    {
+      check_locks(data->lock, "aborted wait_for_lock", 0);
     }
-    check_locks(data->lock,"failed wait_for_lock",0);
   }
   else
   {
@@ -776,6 +784,26 @@ void thr_unlock(THR_LOCK_DATA *data)
     lock->read_no_write_count--;
   data->type=TL_UNLOCK;				/* Mark unlocked */
   check_locks(lock,"after releasing lock",1);
+  wake_up_waiters(lock);
+  pthread_mutex_unlock(&lock->mutex);
+  DBUG_VOID_RETURN;
+}
+
+
+/**
+  @brief  Wake up all threads which pending requests for the lock
+          can be satisfied.
+
+  @param  lock  Lock for which threads should be woken up
+
+*/
+
+static void wake_up_waiters(THR_LOCK *lock)
+{
+  THR_LOCK_DATA *data;
+  enum thr_lock_type lock_type;
+
+  DBUG_ENTER("wake_up_waiters");
 
   if (!lock->write.data)			/* If no active write locks */
   {
@@ -827,11 +855,7 @@ void thr_unlock(THR_LOCK_DATA *data)
 	  data=lock->write_wait.data;		/* Free this too */
 	}
 	if (data->type >= TL_WRITE_LOW_PRIORITY)
-	{
-	  check_locks(lock,"giving write lock",0);
-	  pthread_mutex_unlock(&lock->mutex);
-	  DBUG_VOID_RETURN;
-	}
+          goto end;
 	/* Release possible read locks together with the write lock */
       }
       if (lock->read_wait.data)
@@ -886,8 +910,7 @@ void thr_unlock(THR_LOCK_DATA *data)
       free_all_read_locks(lock,0);
   }
 end:
-  check_locks(lock,"thr_unlock",0);
-  pthread_mutex_unlock(&lock->mutex);
+  check_locks(lock, "after waking up waiters", 0);
   DBUG_VOID_RETURN;
 }
 
@@ -1101,6 +1124,7 @@ my_bool thr_abort_locks_for_thread(THR_LOCK *lock, my_thread_id thread_id)
 	lock->write_wait.last= data->prev;
     }
   }
+  wake_up_waiters(lock);
   pthread_mutex_unlock(&lock->mutex);
   DBUG_RETURN(found);
 }