X-Git-Url: http://xvm.mit.edu/gitweb/invirt/packages/invirt-database.git/blobdiff_plain/d124ab5c80b03da46b464128a6e743376d26e5ff..be9ccbda3c523e5d1ab3845734943fe55e9fac36:/sipb_xen_database/models.py

diff --git a/sipb_xen_database/models.py b/sipb_xen_database/models.py
index e34051b..b075886 100644
--- a/sipb_xen_database/models.py
+++ b/sipb_xen_database/models.py
@@ -5,6 +5,7 @@ from sqlalchemy.ext.assignmapper import assign_mapper
 
 __all__ = ['meta',
            'ctx',
+           'clear_cache',
            'machine_table',
            'machine_access_table',
            'nic_table',
@@ -96,3 +97,11 @@ assign_mapper(ctx, NIC, nic_table)
 assign_mapper(ctx, Disk, disk_table)
 assign_mapper(ctx, Type, types_table)
 assign_mapper(ctx, CDROM, cdroms_table)
+
+def clear_cache():
+    """Clear sqlalchemy's cache.
+
+    This _seems_ to be the way; it works, but the docs don't mention
+    it.  Why is this so obscure?"""
+
+    ctx.registry.clear()