Merge dev3-240.dev.cn.tlan:/home/justin.he/mysql/mysql-5.0/mysql-5.0-ndb

into  dev3-240.dev.cn.tlan:/home/justin.he/mysql/mysql-5.0/mysql-5.0-ndb-bj.merge

mysql-test/r/ndb_autodiscover.result

@@ -382,7 +382,7 @@ create table t1 (a int primary key) engine=ndb;
 select * from t1;
 a
 select * from t1;
-ERROR HY000: Can't lock file (errno: 4009)
+ERROR HY000: Can't lock file (errno: 157)
 use test;
 drop database test_only_ndb_tables;
 CREATE TABLE t9 (

ndb/src/common/transporter/TCP_Transporter.cpp

@@ -155,6 +155,8 @@ TCP_Transporter::initTransporter() {
 
 void
 TCP_Transporter::setSocketOptions(){
+  int sockOptKeepAlive  = 1;
+
   if (setsockopt(theSocket, SOL_SOCKET, SO_RCVBUF,
                  (char*)&sockOptRcvBufSize, sizeof(sockOptRcvBufSize)) < 0) {
 #ifdef DEBUG_TRANSPORTER
@@ -169,6 +171,11 @@ TCP_Transporter::setSocketOptions(){
 #endif
   }//if
   
+  if (setsockopt(theSocket, SOL_SOCKET, SO_KEEPALIVE,
+                 (char*)&sockOptKeepAlive, sizeof(sockOptKeepAlive)) < 0) {
+    ndbout_c("The setsockopt SO_KEEPALIVE error code = %d", InetErrno);
+  }//if
+
   //-----------------------------------------------
   // Set the TCP_NODELAY option so also small packets are sent
   // as soon as possible

ndb/src/mgmclient/CommandInterpreter.cpp

@@ -2026,6 +2026,9 @@ CommandInterpreter::executeRestart(Vector<BaseString> &command_list,
     return -1;
   }
 
+  if (!nostart)
+    ndbout_c("Shutting down nodes with \"-n, no start\" option, to subsequently start the nodes.");
+
   result= ndb_mgm_restart3(m_mgmsrv, no_of_nodes, node_ids,
                            initialstart, nostart, abort, &need_disconnect);
 

ndb/src/ndbapi/NdbScanFilter.cpp

@@ -328,11 +328,17 @@ NdbScanFilterImpl::cond_col(Interpreter::UnaryCondition op, Uint32 AttrId){
 
 int
 NdbScanFilter::isnull(int AttrId){
+  if(m_impl.m_negative == 1)
+    return m_impl.cond_col(Interpreter::IS_NOT_NULL, AttrId);
+  else
     return m_impl.cond_col(Interpreter::IS_NULL, AttrId);
 }
 
 int
 NdbScanFilter::isnotnull(int AttrId){
+  if(m_impl.m_negative == 1)
+    return m_impl.cond_col(Interpreter::IS_NULL, AttrId);
+  else
     return m_impl.cond_col(Interpreter::IS_NOT_NULL, AttrId);
 }
 

sql/ha_ndbcluster.cc

@@ -203,6 +203,8 @@ static const err_code_mapping err_map[]=
 
   { 284, HA_ERR_TABLE_DEF_CHANGED, 0 },
 
+  {4009, HA_ERR_NO_CONNECTION, 1 },
+
   { 0, 1, 0 },
 
   { -1, -1, 1 }
@@ -5068,14 +5070,11 @@ int ndbcluster_table_exists_in_engine(THD* thd, const char *db, const char *name
   dict->invalidateTable(name);
   if (!(tab= dict->getTable(name)))
   {
-    const NdbError err= dict->getNdbError();
-    if (err.code == 709)
-      DBUG_RETURN(0);
-    ERR_RETURN(err);
+    ERR_RETURN(dict->getNdbError());
   }
 
   DBUG_PRINT("info", ("Found table %s", tab->getName()));
-  DBUG_RETURN(1);
+  DBUG_RETURN(HA_ERR_TABLE_EXIST);
 }
 
 
@@ -5260,7 +5259,7 @@ int ndbcluster_find_files(THD *thd,const char *db,const char *path,
     DBUG_PRINT("info", ("%s existed on disk", name));     
     // The .ndb file exists on disk, but it's not in list of tables in ndb
     // Verify that handler agrees table is gone.
-    if (ndbcluster_table_exists_in_engine(thd, db, file_name) == 0)    
+    if (ndbcluster_table_exists_in_engine(thd, db, file_name) == HA_ERR_NO_SUCH_TABLE)
     {
       DBUG_PRINT("info", ("NDB says %s does not exists", file_name));     
       it.remove();

sql/handler.cc

@@ -2438,14 +2438,14 @@ ha_find_files(THD *thd,const char *db,const char *path,
   Ask handler if the table exists in engine
 
   RETURN
-    0                   Table does not exist
-    1                   Table exists
+    HA_ERR_NO_SUCH_TABLE     Table does not exist
+    HA_ERR_TABLE_EXIST       Table exists
     #                        Error code
 
  */
 int ha_table_exists_in_engine(THD* thd, const char* db, const char* name)
 {
-  int error= 0;
+  int error= HA_ERR_NO_SUCH_TABLE;
   DBUG_ENTER("ha_table_exists_in_engine");
   DBUG_PRINT("enter", ("db: %s, name: %s", db, name));
 #ifdef HAVE_NDBCLUSTER_DB

sql/sql_table.cc

@@ -1697,6 +1697,7 @@ bool mysql_create_table(THD *thd,const char *db, const char *table_name,
                           alias);
       DBUG_RETURN(FALSE);
     }
+    DBUG_PRINT("info",("1"));
     my_error(ER_TABLE_EXISTS_ERROR, MYF(0), alias);
     DBUG_RETURN(TRUE);
   }
@@ -1707,6 +1708,7 @@ bool mysql_create_table(THD *thd,const char *db, const char *table_name,
     {
       if (create_info->options & HA_LEX_CREATE_IF_NOT_EXISTS)
         goto warn;
+      DBUG_PRINT("info",("2"));
       my_error(ER_TABLE_EXISTS_ERROR,MYF(0),table_name);
       goto end;
     }
@@ -1725,14 +1727,25 @@ bool mysql_create_table(THD *thd,const char *db, const char *table_name,
   {
     bool create_if_not_exists =
       create_info->options & HA_LEX_CREATE_IF_NOT_EXISTS;
-    if (ha_table_exists_in_engine(thd, db, table_name))
+    int retcode = ha_table_exists_in_engine(thd, db, table_name);
+    DBUG_PRINT("info", ("exists_in_engine: %u",retcode));
+    switch (retcode)
     {
-      DBUG_PRINT("info", ("Table with same name already existed in handler"));
+      case HA_ERR_NO_SUCH_TABLE:
+        /* Normal case, no table exists. we can go and create it */
+        break;
+      case HA_ERR_TABLE_EXIST:
+        DBUG_PRINT("info", ("Table existed in handler"));
 
         if (create_if_not_exists)
           goto warn;
         my_error(ER_TABLE_EXISTS_ERROR,MYF(0),table_name);
         goto end;
+        break;
+      default:
+        DBUG_PRINT("info", ("error: %u from storage engine", retcode));
+        my_error(retcode, MYF(0),table_name);
+        goto end;
     }
   }