Modification of the DBX class to have more information

 in case of error while processing ODBC type tables.

Modified:
odbconn.h
odbconn.cpp

storage/connect/odbconn.h

@@ -83,20 +83,23 @@ class DBX : public BLOCK {
   friend class ODBConn;
   // Construction (by ThrowDBX only) -- destruction
  protected:
-  DBX(RETCODE rc);
+  DBX(RETCODE rc, PSZ msg = NULL);
  public:
 //virtual ~DBX() {}
 //void operator delete(void*, PGLOBAL, void*) {};
 
   // Implementation (use ThrowDBX to create)
   RETCODE GetRC(void) {return m_RC;}
+  PSZ     GetMsg(void) {return m_Msg;}
   const char *GetErrorMessage(int i)
-  { return (i >=0 && i < MAX_NUM_OF_MSG) ? m_ErrMsg[i] : "No ODBC error"; }
+  {return (i >=0 && i < MAX_NUM_OF_MSG) ? m_ErrMsg[i] : "No ODBC error";}
+
  protected:
   void    BuildErrorMessage(ODBConn* pdb, HSTMT hstmt = SQL_NULL_HSTMT);
 
   // Attributes
   RETCODE m_RC;
+  PSZ     m_Msg;
   PSZ     m_ErrMsg[MAX_NUM_OF_MSG];
   }; // end of DBX class definition
 
@@ -156,7 +159,7 @@ class ODBConn : public BLOCK {
   // ODBC operations
  protected:
   bool Check(RETCODE rc);
-  void ThrowDBX(RETCODE rc, HSTMT hstmt = SQL_NULL_HSTMT);
+  void ThrowDBX(RETCODE rc, PSZ msg, HSTMT hstmt = SQL_NULL_HSTMT);
   void ThrowDBX(PSZ msg);
   void AllocConnect(DWORD dwOptions);
   bool Connect(DWORD Options);