Index: trunk/ippTools/src/stacktool.c
===================================================================
--- trunk/ippTools/src/stacktool.c	(revision 37384)
+++ trunk/ippTools/src/stacktool.c	(revision 37385)
@@ -758,6 +758,12 @@
     PXOPT_COPY_STR(config->args, where, "-data_group", "stackRun.data_group", "==");
     PXOPT_COPY_STR(config->args, where, "-state",     "stackRun.state",     "==");
-    PXOPT_COPY_S64(config->args, where, "-sass_id",   "stackAssociationMap.sass_id",  "==");
+
     PXOPT_LOOKUP_S16(fault, config->args, "-fault", false, false);
+    PXOPT_LOOKUP_S64(sass_id, config->args, "-sass_id", false, false);
+
+    if (sass_id) {
+      PXOPT_COPY_S64(config->args, where, "-sass_id",   "stackAssociationMap.sass_id",  "==");
+    }
+    
     if (!psListLength(where->list)) {
         psFree(where);
@@ -773,5 +779,8 @@
         PXOPT_COPY_S16(config->args, where, "-fault", "stackSumSkyfile.fault", "==");
     }
-
+    if (sass_id) {
+      psStringAppend(&query, " JOIN stackAssociationMap USING(stack_id)");
+    }
+    
     // pxUpdateRun gets parameters from config->args and updates
     bool result = pxUpdateRun(config, where, &query, "stackRun", "stack_id", "stackSumSkyfile", true, false);