--- qgis_0.10svn8378/src/providers/postgres/qgspostgresprovider.cpp.orig	2008-04-25 09:27:21 +0400
+++ qgis_0.10svn8378/src/providers/postgres/qgspostgresprovider.cpp	2008-04-25 09:27:56 +0400
@@ -281,6 +281,7 @@ PGconn *QgsPostgresProvider::connectDb(c
   {
     QgsDebugMsg( QString("Using cached connection for %1").arg(conninfo) );
     connections[conninfo]->ref++;
+    postgisVersion(connections[conninfo]->conn);
     return connections[conninfo]->conn;
   }