diff -c psqlodbc.orig\connection.c psqlodbc\connection.c
*** psqlodbc.orig\connection.c	Wed Nov 30 13:44:11 2005
--- psqlodbc\connection.c	Thu Dec 01 21:44:40 2005
***************
*** 1781,1786 ****
--- 1795,1801 ----
  	char		errbuffer[ERROR_MSG_LENGTH + 1];
  	int		pos=0;
  
+ 	mylog("LIBPQ_execute_query: entering ...\n");
  	qres=QR_Constructor();
  	if(!qres)
  	{
***************
*** 1793,1798 ****
--- 1808,1815 ----
          pgres = PQexec(self->pgconn,query);
          PQsetNoticeProcessor(self->pgconn, CC_handle_notice, NULL);
  
+ 	mylog("LIBPQ_execute_query: query = %s\n",query);
+ 
  	qres->status = PQresultStatus(pgres);
  	
  	/* Check the connection status */
***************
*** 1857,1862 ****
--- 1874,1881 ----
  		return qres;
  	}
  
+ 	mylog("LIBPQ_execute_query: rest types ...\n");
+ 
  	qres=CC_mapping(self,pgres,qres);
  	QR_set_command(qres, query);
  	PQclear(pgres);
***************
*** 1870,1875 ****
--- 1889,1895 ----
  QResultClass *
  CC_mapping(ConnectionClass *self, PGresult *pgres,QResultClass *qres)
  {
+ 	CSTR func = "CC_mapping";
  	int i=0,j=0;
  	TupleNode *node, *temp;
  	Oid typid;
***************
*** 1878,1886 ****
--- 1898,1909 ----
  	int num_tuples = PQntuples(pgres);
      ConnInfo   *ci = &(self->connInfo);
  
+ 	mylog("%s: entering ...\n",func);
  	CI_set_num_fields(qres->fields, num_attributes);
+ 	mylog("%s: rows = %i, columns = %i\n",func,num_tuples,num_attributes);
  	for(i = 0 ; i < num_attributes ; i++)
  	{
+ 		mylog("%s: column = %i\n",func,i);
  		typid = PQftype(pgres,i);
  		atttypmod = PQfmod(pgres,i);
          
***************
*** 1933,1938 ****
--- 1956,1962 ----
              }
  		}
          
+ 		mylog("%s: set field info: name = %s, typ = %i, typlen = %i, attypmod = %i\n", func, PQfname(pgres,i), typid, (Int2)typlen, atttypmod);
  		CI_set_field_info(qres->fields, i, PQfname(pgres,i),
  			  typid, (Int2)typlen, atttypmod);
  	}
***************
*** 1970,1978 ****
--- 1994,2008 ----
  				/* PQgetvalue returns an empty string even the data value is null. 
  				  * An additional checking is provided to set the null value */
  				if (PQgetisnull(pgres,i,j)) 
+ 				{
+ 					mylog("%s: fetch column = %s, value = NULL\n",func,PQfname(pgres,j));
  					set_tuplefield_null(&qres->manual_tuples->list_end->tuple[j]);
+ 				}
  				else
+ 				{
+ 					mylog("%s: fetch column = %s, value = %s\n",func,PQfname(pgres,j),PQgetvalue(pgres,i,j));
  					set_tuplefield_string(&qres->manual_tuples->list_end->tuple[j], PQgetvalue(pgres,i,j));
+ 				}
  			}
  
  	}