Task #10902: allow read access on claim table during rebuild_resource_usages_table_from_claims

SAS/ResourceAssignment/ResourceAssignmentDatabase/radb/sql/add_functions_and_triggers.sql

@@ -339,7 +339,7 @@ DECLARE
     num_rows bigint;
     step bigint;
 BEGIN
-    LOCK TABLE resource_allocation.resource_claim IN EXCLUSIVE MODE;
+    LOCK TABLE resource_allocation.resource_claim IN ACCESS SHARE MODE;
     LOCK TABLE resource_allocation.resource_usage IN EXCLUSIVE MODE;
     TRUNCATE TABLE resource_allocation.resource_usage RESTART IDENTITY CASCADE;