NdbRepStress.cpp:

  Updated with suggestions from Magnus and other fixes and adjustments I found along the way
DbUtil.hpp, DbUtil.cpp:
  fixes and adjustments I found along the way

storage/ndb/test/include/DbUtil.hpp

@@ -89,7 +89,8 @@ public:
   void mysqlCloseStmHandle(MYSQL_STMT *my_stmt);
 
   int connect();
-  int select_DB();
+  int selectDb();
+  int selectDb(const char * m_db);
   int doQuery(char * stm);
   int doQuery(const char * stm);
   int getErrorNumber();

storage/ndb/test/src/DbUtil.cpp

@@ -215,23 +215,57 @@ DbUtil::printStError(MYSQL_STMT *stmt, const char *msg)
 /* Select which database to use */
 
 int 
-DbUtil::select_DB()
+DbUtil::selectDb()
 {
-  return mysql_select_db(this->getMysql(), this->getDbName());
+  if ((this->getDbName()) != NULL)
+  {
+    if(mysql_select_db(this->getMysql(), this->getDbName()))
+    {
+      this->printError("mysql_select_db failed");
+      return DBU_FAILED;
+    }
+    return DBU_OK;   
+  }
+  this->printError("getDbName() == NULL");
+  return DBU_FAILED;
+}
+
+int
+DbUtil::selectDb(const char * m_db)
+{
+  {
+    if(mysql_select_db(this->getMysql(), m_db))
+    {
+      this->printError("mysql_select_db failed");
+      return DBU_FAILED;
+    }
+    return DBU_OK;
+  }
 }
 
+
 /* Run Simple Queries */
 
 int 
 DbUtil::doQuery(char * stm)
 {
-  return mysql_query(this->getMysql(), stm);
+  if(mysql_query(this->getMysql(), stm))
+  {
+    this->printError(stm); 
+    return DBU_FAILED;
+  }
+  return DBU_OK;
 }
 
 int 
 DbUtil::doQuery(const char * stm)
 {
-  return mysql_query(this->getMysql(), stm);
+  if(mysql_query(this->getMysql(), stm))
+  {
+    this->printError(stm);
+    return DBU_FAILED;
+  }
+  return DBU_OK;
 }
 
 /* Return MySQL Error String */