tweak parent/guardian data update

diff --git a/Open-ILS/src/sql/Pg/version-upgrade/pines-post-3.2-upgrade.sql b/Open-ILS/src/sql/Pg/version-upgrade/pines-post-3.2-upgrade.sql
index 404ad1f..e8d3488 100644 (file)
--- a/Open-ILS/src/sql/Pg/version-upgrade/pines-post-3.2-upgrade.sql
+++ b/Open-ILS/src/sql/Pg/version-upgrade/pines-post-3.2-upgrade.sql
@@ -98,6 +98,6 @@ VALUES (
 );
 
 -- move parent/guardian field data to new field
-UPDATE actor.usr SET guardian = ident_value2, ident_value2 = NULL WHERE NOT deleted AND ident_value2 IS NOT NULL;
+UPDATE actor.usr SET guardian = ident_value2, ident_value2 = NULL WHERE NOT deleted AND ident_value2 IS NOT NULL AND ident_value2 <> '';
 
 COMMIT;