- Fix a bug causing UseCnc not being initialized for ODBC catalog tables.

This made errors by calling SQLConnect or SQLDriverConnect randomly
  with incorrect parameters.
modified:
  storage/connect/tabodbc.cpp
  
- Removing GCC warnings  
modified:
  storage/connect/ha_connect.cc

- Typo
modified:
  storage/connect/odbconn.cpp

storage/connect/ha_connect.cc

@@ -4850,12 +4850,13 @@ static int connect_assisted_discovery(handlerton *hton, THD* thd,
   int         port= 0, hdr= 0, mxr __attribute__((unused))= 0, mxe= 0, rc= 0;
   int         cop __attribute__((unused)) = 0;
 #if defined(ODBC_SUPPORT)
-  POPARM      sop;
-  char       *ucnc;
+  POPARM      sop = NULL;
+  char       *ucnc = NULL;
+  bool        cnc= false;
   int         cto= -1, qto= -1;
 #endif   // ODBC_SUPPORT
   uint        tm, fnc= FNC_NO, supfnc= (FNC_NO | FNC_COL);
-  bool        bif, ok= false, dbf= false, cnc= false;;
+  bool        bif, ok= false, dbf= false;
   TABTYPE     ttp= TAB_UNDEF;
   PQRYRES     qrp= NULL;
   PCOLRES     crp;
@@ -4916,6 +4917,7 @@ static int connect_assisted_discovery(handlerton *hton, THD* thd,
     mxr= atoi(GetListOption(g,"maxres", topt->oplist, "0"));
     cto= atoi(GetListOption(g,"ConnectTimeout", topt->oplist, "-1"));
     qto= atoi(GetListOption(g,"QueryTimeout", topt->oplist, "-1"));
+    
     if ((ucnc= GetListOption(g, "UseDSN", topt->oplist)))
       cnc= (!*ucnc || *ucnc == 'y' || *ucnc == 'Y' || atoi(ucnc) != 0);
 #endif
@@ -4925,7 +4927,7 @@ static int connect_assisted_discovery(handlerton *hton, THD* thd,
 #endif   // PROMPT_OK
   } else {
     host= "localhost";
-    user= "root";
+    user= (ttp == TAB_ODBC ? NULL : "root");
   } // endif option_list
 
   if (!(shm= (char*)db))

storage/connect/odbconn.cpp

@@ -929,6 +929,7 @@ ODBConn::ODBConn(PGLOBAL g, TDBODBC *tdbp)
   m_Scrollable = (tdbp) ? tdbp->Scrollable : false;
   m_First = true;
   m_Full = false;
+  m_UseCnc = false;
   m_IDQuoteChar[0] = '"';
   m_IDQuoteChar[1] = 0;
 //*m_ErrMsg = '\0';
@@ -1082,14 +1083,6 @@ int ODBConn::Open(PSZ ConnectString, POPARM sop, DWORD options)
     AllocConnect(options);
     /*ver = GetStringInfo(SQL_ODBC_VER);*/
 
-#if 0
-    // Connect using SQLDriverConnect
-    if (DriverConnect(options)) {
-      strcpy(g->Message, MSG(CONNECT_CANCEL));
-      return 0;
-      } // endif
-#endif // 0
-
     if (!m_UseCnc) {
       if (DriverConnect(options)) {
         strcpy(g->Message, MSG(CONNECT_CANCEL));

storage/connect/tabodbc.cpp

@@ -1560,6 +1560,7 @@ TDBOTB::TDBOTB(PODEF tdp) : TDBDRV(tdp)
   Ops.Pwd = tdp->Password;
   Ops.Cto = tdp->Cto;
   Ops.Qto = tdp->Qto;
+  Ops.UseCnc = tdp->UseCnc;
   } // end of TDBOTB constructor
 
 /***********************************************************************/