Merge ramayana.hindu.god:/home/tsmith/m/bk/50

into  ramayana.hindu.god:/home/tsmith/m/bk/maint/50

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;
 DROP TABLE IF EXISTS federated.t1;
 DROP DATABASE IF EXISTS federated;
 DROP TABLE IF EXISTS federated.t1;

mysql-test/t/federated.test

@@ -1671,5 +1671,19 @@ 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;
 
 source include/federated_cleanup.inc;

mysys/thr_lock.c

@@ -383,6 +383,9 @@ 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)
@@ -444,8 +447,13 @@ 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
   {
@@ -771,6 +779,26 @@ 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 */
   {
@@ -820,11 +848,7 @@ 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)
@@ -879,8 +903,7 @@ 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;
 }
 
@@ -1094,6 +1117,7 @@ my_bool thr_abort_locks_for_thread(THR_LOCK *lock, pthread_t thread)
 	lock->write_wait.last= data->prev;
     }
   }
+  wake_up_waiters(lock);
   pthread_mutex_unlock(&lock->mutex);
   DBUG_RETURN(found);
 }

sql/item.cc

@@ -1670,7 +1670,7 @@ void Item_ident_for_show::make_field(Send_field *tmp_field)
   tmp_field->type=field->type();
   tmp_field->flags= field->table->maybe_null ? 
     (field->flags & ~NOT_NULL_FLAG) : field->flags;
-  tmp_field->decimals= 0;
+  tmp_field->decimals= field->decimals();
 }
 
 /**********************************************/

tests/mysql_client_test.c

@@ -15570,7 +15570,7 @@ static void test_bug27876()
   int rc;
   MYSQL_RES *result;
 
-  char utf8_func[] =
+  unsigned char utf8_func[] =
   {
     0xd1, 0x84, 0xd1, 0x83, 0xd0, 0xbd, 0xd0, 0xba,
     0xd1, 0x86, 0xd0, 0xb8, 0xd0, 0xb9, 0xd0, 0xba,
@@ -15578,7 +15578,7 @@ static void test_bug27876()
     0x00
   };
 
-  char utf8_param[] =
+  unsigned char utf8_param[] =
   {
     0xd0, 0xbf, 0xd0, 0xb0, 0xd1, 0x80, 0xd0, 0xb0,
     0xd0, 0xbc, 0xd0, 0xb5, 0xd1, 0x82, 0xd1, 0x8a,
@@ -15735,6 +15735,55 @@ static void test_bug27592()
 }
 
 
+/**
+  Bug#29306 Truncated data in MS Access with decimal (3,1) columns in a VIEW
+*/
+
+static void test_bug29306()
+{
+  MYSQL_FIELD *field;
+  int rc;
+  MYSQL_RES *res;
+
+  DBUG_ENTER("test_bug29306");
+  myheader("test_bug29306");
+
+  rc= mysql_query(mysql, "DROP TABLE IF EXISTS tab17557");
+  myquery(rc);
+  rc= mysql_query(mysql, "DROP VIEW IF EXISTS view17557");
+  myquery(rc);
+  rc= mysql_query(mysql, "CREATE TABLE tab17557 (dd decimal (3,1))");
+  myquery(rc);
+  rc= mysql_query(mysql, "CREATE VIEW view17557 as SELECT dd FROM tab17557");
+  myquery(rc);
+  rc= mysql_query(mysql, "INSERT INTO tab17557 VALUES (7.6)");
+  myquery(rc);
+
+  /* Checking the view */
+  res= mysql_list_fields(mysql, "view17557", NULL);
+  while ((field= mysql_fetch_field(res)))
+  {
+    if (! opt_silent)
+    {
+      printf("field name %s\n", field->name);
+      printf("field table %s\n", field->table);
+      printf("field decimals %d\n", field->decimals);
+      if (field->decimals < 1)
+        printf("Error! No decimals! \n");
+      printf("\n\n");
+    }
+    DIE_UNLESS(field->decimals == 1);
+  }
+  mysql_free_result(res);
+
+  rc= mysql_query(mysql, "DROP TABLE tab17557");
+  myquery(rc);
+  rc= mysql_query(mysql, "DROP VIEW view17557");
+  myquery(rc);
+
+  DBUG_VOID_RETURN;
+}
+
 /*
   Read and parse arguments and MySQL options from my.cnf
 */
@@ -16019,6 +16068,7 @@ static struct my_tests_st my_tests[]= {
   { "test_bug28505", test_bug28505 },
   { "test_bug28934", test_bug28934 },
   { "test_bug27592", test_bug27592 },
+  { "test_bug29306", test_bug29306 },
   { 0, 0 }
 };