gistfile1.diff

diff --git a/src/providers/postgres/qgspostgresprovider.cpp b/src/providers/postgres/qgspostgresprovider.cpp
index d13cbbf..77a1925 100644
--- a/src/providers/postgres/qgspostgresprovider.cpp
+++ b/src/providers/postgres/qgspostgresprovider.cpp
@@ -2565,10 +2565,9 @@ bool QgsPostgresProvider::getGeometryDetails()
     }
   }
 
-  QString detectedType;
-  QString detectedSrid;
-
-  if ( !schemaName.isEmpty() )
+  QString detectedType = mRequestedGeomType == QGis::WKBUnknown ? "" : QgsPostgresConn::postgisWkbTypeName( mRequestedGeomType );
+  QString detectedSrid = mRequestedSrid;
+  if ( !schemaName.isEmpty() && (detectedType.isEmpty() || detectedSrid.isEmpty() ) )
   {
     // check geometry columns
     sql = QString( "SELECT upper(type),srid FROM geometry_columns WHERE f_table_name=%1 AND f_geometry_column=%2 AND f_table_schema=%3" )