Index: trunk/ippdb/src/ippdb.c
===================================================================
--- trunk/ippdb/src/ippdb.c	(revision 14232)
+++ trunk/ippdb/src/ippdb.c	(revision 14252)
@@ -10135,5 +10135,5 @@
 static void diffInputSkyfileRowFree(diffInputSkyfileRow *object);
 
-diffInputSkyfileRow *diffInputSkyfileRowAlloc(psS64 diff_id, psS64 warp_id, const char *skycell_id, const char *tess_id, const char *kind, bool template)
+diffInputSkyfileRow *diffInputSkyfileRowAlloc(psS64 diff_id, bool template, psS64 stack_id, psS64 warp_id, const char *skycell_id, const char *tess_id, const char *kind)
 {
     diffInputSkyfileRow *_object;
@@ -10143,9 +10143,10 @@
 
     _object->diff_id = diff_id;
+    _object->template = template;
+    _object->stack_id = stack_id;
     _object->warp_id = warp_id;
     _object->skycell_id = psStringCopy(skycell_id);
     _object->tess_id = psStringCopy(tess_id);
     _object->kind = psStringCopy(kind);
-    _object->template = template;
 
     return _object;
@@ -10167,15 +10168,25 @@
         return false;
     }
-    if (!psMetadataAdd(md, PS_LIST_TAIL, "warp_id", PS_DATA_S64, "Primary Key fkey(warp_id, skycell_id, tess_id) ref warpSkyfile(warp_id, skycell_id, tess_id)", 0)) {
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "template", PS_DATA_BOOL, "Primary Key", 0)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item template");
+        psFree(md);
+        return false;
+    }
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "stack_id", PS_DATA_S64, "fkey(stack_id) ref stackSumSkyfile(stack_id)", 0)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item stack_id");
+        psFree(md);
+        return false;
+    }
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "warp_id", PS_DATA_S64, "fkey(warp_id, skycell_id, tess_id) ref warpSkyfile(warp_id, skycell_id, tess_id)", 0)) {
         psError(PS_ERR_UNKNOWN, false, "failed to add item warp_id");
         psFree(md);
         return false;
     }
-    if (!psMetadataAdd(md, PS_LIST_TAIL, "skycell_id", PS_DATA_STRING, "Primary Key", "64")) {
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "skycell_id", PS_DATA_STRING, "Key", "64")) {
         psError(PS_ERR_UNKNOWN, false, "failed to add item skycell_id");
         psFree(md);
         return false;
     }
-    if (!psMetadataAdd(md, PS_LIST_TAIL, "tess_id", PS_DATA_STRING, "Primary Key", "64")) {
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "tess_id", PS_DATA_STRING, "Key", "64")) {
         psError(PS_ERR_UNKNOWN, false, "failed to add item tess_id");
         psFree(md);
@@ -10187,9 +10198,4 @@
         return false;
     }
-    if (!psMetadataAdd(md, PS_LIST_TAIL, "template", PS_DATA_BOOL, NULL, 0)) {
-        psError(PS_ERR_UNKNOWN, false, "failed to add item template");
-        psFree(md);
-        return false;
-    }
 
     bool status = psDBCreateTable(dbh, DIFFINPUTSKYFILE_TABLE_NAME, md);
@@ -10205,5 +10211,5 @@
 }
 
-bool diffInputSkyfileInsert(psDB * dbh, psS64 diff_id, psS64 warp_id, const char *skycell_id, const char *tess_id, const char *kind, bool template)
+bool diffInputSkyfileInsert(psDB * dbh, psS64 diff_id, bool template, psS64 stack_id, psS64 warp_id, const char *skycell_id, const char *tess_id, const char *kind)
 {
     psMetadata *md = psMetadataAlloc();
@@ -10213,4 +10219,14 @@
         return false;
     }
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "template", PS_DATA_BOOL, NULL, template)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item template");
+        psFree(md);
+        return false;
+    }
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "stack_id", PS_DATA_S64, NULL, stack_id)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item stack_id");
+        psFree(md);
+        return false;
+    }
     if (!psMetadataAdd(md, PS_LIST_TAIL, "warp_id", PS_DATA_S64, NULL, warp_id)) {
         psError(PS_ERR_UNKNOWN, false, "failed to add item warp_id");
@@ -10230,9 +10246,4 @@
     if (!psMetadataAdd(md, PS_LIST_TAIL, "kind", PS_DATA_STRING, NULL, kind)) {
         psError(PS_ERR_UNKNOWN, false, "failed to add item kind");
-        psFree(md);
-        return false;
-    }
-    if (!psMetadataAdd(md, PS_LIST_TAIL, "template", PS_DATA_BOOL, NULL, template)) {
-        psError(PS_ERR_UNKNOWN, false, "failed to add item template");
         psFree(md);
         return false;
@@ -10261,5 +10272,5 @@
 bool diffInputSkyfileInsertObject(psDB *dbh, diffInputSkyfileRow *object)
 {
-    return diffInputSkyfileInsert(dbh, object->diff_id, object->warp_id, object->skycell_id, object->tess_id, object->kind, object->template);
+    return diffInputSkyfileInsert(dbh, object->diff_id, object->template, object->stack_id, object->warp_id, object->skycell_id, object->tess_id, object->kind);
 }
 
@@ -10339,4 +10350,14 @@
         return false;
     }
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "template", PS_DATA_BOOL, NULL, object->template)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item template");
+        psFree(md);
+        return false;
+    }
+    if (!psMetadataAdd(md, PS_LIST_TAIL, "stack_id", PS_DATA_S64, NULL, object->stack_id)) {
+        psError(PS_ERR_UNKNOWN, false, "failed to add item stack_id");
+        psFree(md);
+        return false;
+    }
     if (!psMetadataAdd(md, PS_LIST_TAIL, "warp_id", PS_DATA_S64, NULL, object->warp_id)) {
         psError(PS_ERR_UNKNOWN, false, "failed to add item warp_id");
@@ -10359,9 +10380,4 @@
         return false;
     }
-    if (!psMetadataAdd(md, PS_LIST_TAIL, "template", PS_DATA_BOOL, NULL, object->template)) {
-        psError(PS_ERR_UNKNOWN, false, "failed to add item template");
-        psFree(md);
-        return false;
-    }
 
 
@@ -10378,4 +10394,14 @@
         return false;
     }
+    bool template = psMetadataLookupBool(&status, md, "template");
+    if (!status) {
+        psError(PS_ERR_UNKNOWN, true, "failed to lookup value for item template");
+        return false;
+    }
+    psS64 stack_id = psMetadataLookupS64(&status, md, "stack_id");
+    if (!status) {
+        psError(PS_ERR_UNKNOWN, true, "failed to lookup value for item stack_id");
+        return false;
+    }
     psS64 warp_id = psMetadataLookupS64(&status, md, "warp_id");
     if (!status) {
@@ -10398,11 +10424,6 @@
         return false;
     }
-    bool template = psMetadataLookupBool(&status, md, "template");
-    if (!status) {
-        psError(PS_ERR_UNKNOWN, true, "failed to lookup value for item template");
-        return false;
-    }
-
-    return diffInputSkyfileRowAlloc(diff_id, warp_id, skycell_id, tess_id, kind, template);
+
+    return diffInputSkyfileRowAlloc(diff_id, template, stack_id, warp_id, skycell_id, tess_id, kind);
 }
 psArray *diffInputSkyfileSelectRowObjects(psDB *dbh, const psMetadata *where, unsigned long long limit)