- Move DataPath from the MYCAT catalog to the ha_connect handler. Indeed

it belongs to each tables and the catalog being share between several
  instances of CONNECT, when a query implied several tables belonging to
  different databases, some where pointing on the wrong database. This
  fix bugs occuring in queries such as:
  INSERT into db1.t1 select * from db2.t2;
  Where the t1 data file was made in db2.
modified:
  storage/connect/catalog.h
  storage/connect/connect.cc
  storage/connect/filamdbf.cpp
  storage/connect/filamdbf.h
  storage/connect/ha_connect.cc
  storage/connect/ha_connect.h
  storage/connect/mycat.cc
  storage/connect/mycat.h
  storage/connect/plgdbsem.h
  storage/connect/plgdbutl.cpp
  storage/connect/reldef.cpp
  storage/connect/reldef.h
  storage/connect/tabfix.h
  storage/connect/tabfmt.cpp
  storage/connect/tabfmt.h
  storage/connect/tabmul.cpp

storage/connect/reldef.h

@@ -1,5 +1,5 @@
 /*************** RelDef H Declares Source Code File (.H) ***************/
-/*  Name: RELDEF.H  Version 1.4                                        */
+/*  Name: RELDEF.H  Version 1.5                                        */
 /*                                                                     */
 /*  (C) Copyright to the author Olivier BERTRAND          2004-2014    */
 /*                                                                     */
@@ -79,8 +79,9 @@ class DllExport TABDEF : public RELDEF {   /* Logical table descriptor */
   void    SetNext(PTABDEF tdfp) {Next = tdfp;}
   int     GetMultiple(void) {return Multiple;}
   int     GetPseudo(void) {return Pseudo;}
-  PSZ     GetPath(void)
-            {return (Database) ? (PSZ)Database : Cat->GetDataPath();}
+  PSZ     GetPath(void);
+//PSZ     GetPath(void)
+//          {return (Database) ? (PSZ)Database : Cat->GetDataPath();}
   bool    SepIndex(void) {return GetBoolCatInfo("SepIndex", false);}
   bool    IsReadOnly(void) {return Read_Only;}
   virtual AMT    GetDefType(void) {return TYPE_AM_TAB;}