Bug #19395 mysqld does not always detect cluster shutdown

    Bug #17610 ndbapi: dropEventOperation leaves object behind, memleak

mysql-test/r/ndb_autodiscover3.result

@@ -18,6 +18,7 @@ select * from t2;
 ERROR 42S02: Table 'test.t2' doesn't exist
 show tables like 't2';
 Tables_in_test (t2)
+reset master;
 create table t2 (a int key) engine=ndbcluster;
 insert into t2 values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10);
 select * from t2 order by a limit 3;
@@ -30,10 +31,12 @@ a
 1
 2
 3
+reset master;
 select * from t2;
 ERROR 42S02: Table 'test.t2' doesn't exist
 show tables like 't2';
 Tables_in_test (t2)
+reset master;
 create table t2 (a int key) engine=ndbcluster;
 insert into t2 values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10);
 select * from t2 order by a limit 3;
@@ -46,4 +49,5 @@ a
 1
 2
 3
+reset master;
 drop table t2;

mysql-test/t/disabled.def

@@ -16,7 +16,7 @@ events_scheduling        : BUG#19170 2006-04-26 andrey  Test case of 19170 fails
 events_logs_tests        : BUG#17619 2006-05-16 andrey  Test case problems
 ndb_autodiscover         : BUG#18952 2006-02-16 jmiller Needs to be fixed w.r.t binlog
 ndb_autodiscover2        : BUG#18952 2006-02-16 jmiller Needs to be fixed w.r.t binlog
-ndb_binlog_discover      : BUG#19395 2006-04-28 tomas/knielsen mysqld does not always detect cluster shutdown
+#ndb_binlog_discover      : BUG#19395 2006-04-28 tomas/knielsen mysqld does not always detect cluster shutdown
 #ndb_cache2               : BUG#18597 2006-03-28 brian simultaneous drop table and ndb statistics update triggers node failure
 #ndb_cache_multi2         : BUG#18597 2006-04-10 kent  simultaneous drop table and ndb statistics update triggers node failure
 ndb_load                 : BUG#17233 2006-05-04 tomas failed load data from infile causes mysqld dbug_assert, binlog not flushed

mysql-test/t/ndb_autodiscover3.test

@@ -43,6 +43,7 @@ select * from t2 order by a limit 3;
 --error ER_NO_SUCH_TABLE
 select * from t2;
 show tables like 't2';
+reset master;
 create table t2 (a int key) engine=ndbcluster;
 insert into t2 values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10);
 select * from t2 order by a limit 3;
@@ -50,6 +51,7 @@ select * from t2 order by a limit 3;
 # server 1 should have a stale cache, and in this case wrong frm, transaction must be retried
 --connection server1
 select * from t2 order by a limit 3;
+reset master;
 
 --exec $NDB_MGM --no-defaults -e "all restart -i" >> $NDB_TOOLS_OUTPUT
 --exec $NDB_TOOLS_DIR/ndb_waiter --no-defaults >> $NDB_TOOLS_OUTPUT
@@ -60,6 +62,7 @@ select * from t2 order by a limit 3;
 --error ER_NO_SUCH_TABLE
 select * from t2;
 show tables like 't2';
+reset master;
 create table t2 (a int key) engine=ndbcluster;
 insert into t2 values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10);
 select * from t2 order by a limit 3;
@@ -67,6 +70,7 @@ select * from t2 order by a limit 3;
 # server 2 should have a stale cache, but with right frm, transaction need not be retried
 --connection server2
 select * from t2 order by a limit 3;
+reset master;
 
 drop table t2;
 # End of 4.1 tests

sql/ha_ndbcluster_binlog.cc

@@ -3321,6 +3321,9 @@ restart:
     DBUG_PRINT("info", ("schema_res: %d  schema_gci: %d", schema_res, schema_gci));
     if (schema_res > 0)
     {
+      i_ndb->pollEvents(0);
+      i_ndb->flushIncompleteEvents(schema_gci);
+      s_ndb->flushIncompleteEvents(schema_gci);
       if (schema_gci < ndb_latest_handled_binlog_epoch)
       {
         sql_print_error("NDB Binlog: cluster has been restarted --initial or with older filesystem. "

storage/ndb/include/ndbapi/Ndb.hpp

@@ -1262,6 +1262,7 @@ public:
   
 
 #ifndef DOXYGEN_SHOULD_SKIP_INTERNAL
+  int flushIncompleteEvents(Uint64 gci);
   NdbEventOperation *getEventOperation(NdbEventOperation* eventOp= 0);
   Uint64 getLatestGCI();
   void forceGCP();

storage/ndb/include/ndbapi/NdbDictionary.hpp

@@ -1132,7 +1132,8 @@ public:
       _TE_NODE_FAILURE=10,
       _TE_SUBSCRIBE=11,
       _TE_UNSUBSCRIBE=12,
-      _TE_NUL=13 // internal (e.g. INS o DEL within same GCI)
+      _TE_NUL=13, // internal (e.g. INS o DEL within same GCI)
+      _TE_ACTIVE=14 // internal (node becomes active)
     };
 #endif
     /**

storage/ndb/src/kernel/blocks/suma/Suma.cpp

@@ -2649,6 +2649,22 @@ Suma::reportAllSubscribers(Signal *signal,
                            SubscriptionPtr subPtr,
                            SubscriberPtr subbPtr)
 {
+  SubTableData * data  = (SubTableData*)signal->getDataPtrSend();
+
+  if (table_event == NdbDictionary::Event::_TE_SUBSCRIBE)
+  {
+    data->gci            = m_last_complete_gci + 1;
+    data->tableId        = subPtr.p->m_tableId;
+    data->operation      = NdbDictionary::Event::_TE_ACTIVE;
+    data->ndbd_nodeid    = refToNode(reference());
+    data->changeMask     = 0;
+    data->totalLen       = 0;
+    data->req_nodeid     = refToNode(subbPtr.p->m_senderRef);
+    data->senderData     = subbPtr.p->m_senderData;
+    sendSignal(subbPtr.p->m_senderRef, GSN_SUB_TABLE_DATA, signal,
+               SubTableData::SignalLength, JBB);
+  }
+
   if (!(subPtr.p->m_options & Subscription::REPORT_SUBSCRIBE))
   {
     return;
@@ -2663,7 +2679,6 @@ Suma::reportAllSubscribers(Signal *signal,
   ndbout_c("reportAllSubscribers  subPtr.i: %d  subPtr.p->n_subscribers: %d",
            subPtr.i, subPtr.p->n_subscribers);
 //#endif
-  SubTableData * data  = (SubTableData*)signal->getDataPtrSend();
   data->gci            = m_last_complete_gci + 1;
   data->tableId        = subPtr.p->m_tableId;
   data->operation      = table_event;

storage/ndb/src/ndbapi/Ndb.cpp

@@ -1324,6 +1324,12 @@ Ndb::pollEvents(int aMillisecondNumber, Uint64 *latestGCI)
   return theEventBuffer->pollEvents(aMillisecondNumber, latestGCI);
 }
 
+int
+Ndb::flushIncompleteEvents(Uint64 gci)
+{
+  return theEventBuffer->flushIncompleteEvents(gci);
+}
+
 NdbEventOperation *Ndb::nextEvent()
 {
   return theEventBuffer->nextEvent();

storage/ndb/src/ndbapi/NdbEventOperationImpl.hpp

@@ -25,7 +25,7 @@
 #include <UtilBuffer.hpp>
 
 #define NDB_EVENT_OP_MAGIC_NUMBER 0xA9F301B4
-//#define EVENT_DEBUG
+#define EVENT_DEBUG
 #ifdef EVENT_DEBUG
 #define DBUG_ENTER_EVENT(A) DBUG_ENTER(A)
 #define DBUG_RETURN_EVENT(A) DBUG_RETURN(A)
@@ -367,6 +367,8 @@ public:
   Uint32 m_eventId;
   Uint32 m_oid;
 
+  Bitmask<(unsigned int)_NDB_NODE_BITMASK_SIZE> m_node_bit_mask;
+  int m_ref_count;
   bool m_mergeEvents;
   
   EventBufData *m_data_item;
@@ -406,10 +408,10 @@ public:
   void dropEventOperation(NdbEventOperation *);
   static NdbEventOperationImpl* getEventOperationImpl(NdbEventOperation* tOp);
 
-  void add_drop_lock();
-  void add_drop_unlock();
-  void lock();
-  void unlock();
+  void add_drop_lock() { NdbMutex_Lock(p_add_drop_mutex); }
+  void add_drop_unlock() { NdbMutex_Unlock(p_add_drop_mutex); }
+  void lock() { NdbMutex_Lock(m_mutex); }
+  void unlock() { NdbMutex_Unlock(m_mutex); }
 
   void add_op();
   void remove_op();
@@ -430,9 +432,11 @@ public:
   Uint32 getEventId(int bufferId);
 
   int pollEvents(int aMillisecondNumber, Uint64 *latestGCI= 0);
+  int flushIncompleteEvents(Uint64 gci);
   NdbEventOperation *nextEvent();
   NdbEventOperationImpl* getGCIEventOperations(Uint32* iter,
                                                Uint32* event_types);
+  void NdbEventBuffer::deleteUsedEventOperations();
 
   NdbEventOperationImpl *move_data();