--- parser3/src/main/pa_sql_driver_manager.C	2001/08/24 08:16:15	1.27
+++ parser3/src/main/pa_sql_driver_manager.C	2001/09/05 09:22:45	1.32
@@ -5,7 +5,7 @@
 
 	Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
 */
-static const char *RCSId="$Id: pa_sql_driver_manager.C,v 1.27 2001/08/24 08:16:15 parser Exp $"; 
+static const char *RCSId="$Id: pa_sql_driver_manager.C,v 1.32 2001/09/05 09:22:45 parser Exp $"; 
 
 #include "pa_sql_driver_manager.h"
 #include "ltdl.h"
@@ -16,15 +16,18 @@ static const char *RCSId="$Id: pa_sql_dr
 
 #include "pa_sapi.h"
 
+// helper macros
+
+#define STRINGIZE(name) #name
+
 // globals
 
 SQL_Driver_manager *SQL_driver_manager;
 
 // consts
 
-const char *LIBRARY_CREATE_FUNC_NAME="create";
 const int EXPIRE_UNUSED_CONNECTION_SECONDS=60;
-const int CHECK_EXPIRED_CONNECTIONS_SECONDS=60*2;
+const int CHECK_EXPIRED_CONNECTIONS_SECONDS=EXPIRE_UNUSED_CONNECTION_SECONDS*2;
 
 
 /// SQL_Driver_services Pooled implementation
@@ -60,7 +63,7 @@ SQL_Connection& SQL_Driver_manager::get_
 	if(!protocol2driver_and_client)
 		PTHROW(0, 0,
 			&request_url,
-			"$SQL:drivers table must be defined");
+			"$"MAIN_SQL_NAME":"MAIN_SQL_DRIVERS_NAME" table must be defined");
 
 	// first trying to get cached connection
 	SQL_Connection *result=get_connection_from_cache(request_url);
@@ -116,6 +119,11 @@ SQL_Connection& SQL_Driver_manager::get_
 					"undefined protocol '%s'", 
 						request_protocol_cstr);
 
+			if(lt_dlinit())
+				PTHROW(0, 0,
+					library,
+					"prepare to dynamic loading failed, %s", lt_dlerror());
+
 			const char *filename=library->cstr(String::UL_FILE_NAME);
 			lt_dlhandle handle=lt_dlopen(filename);
 			if (!handle)
@@ -124,11 +132,11 @@ SQL_Connection& SQL_Driver_manager::get_
 					"can not open the module, %s", lt_dlerror());
 
 			SQL_Driver_create_func create=(SQL_Driver_create_func)lt_dlsym(handle, 
-				LIBRARY_CREATE_FUNC_NAME);  
+				STRINGIZE(SQL_DRIVER_CREATE));
 			if(!create)
 				PTHROW(0, 0,
 					library,
-					"function '%s' was not found", LIBRARY_CREATE_FUNC_NAME);
+					"function '%s' was not found", STRINGIZE(SQL_DRIVER_CREATE));
 
 			// create library-driver!
 			driver=(*create)();