Index: trunk/ippTools/src/stacktool.c
===================================================================
--- trunk/ippTools/src/stacktool.c	(revision 14110)
+++ trunk/ippTools/src/stacktool.c	(revision 14112)
@@ -38,4 +38,5 @@
 static bool addsumskyfileMode(pxConfig *config);
 static bool sumskyfileMode(pxConfig *config);
+static bool revertsumskyfileMode(pxConfig *config);
 
 static bool setstackRunState(pxConfig *config, const char *stack_id, const char *state);
@@ -66,4 +67,5 @@
         MODECASE(STACKTOOL_MODE_ADDSUMSKYFILE,      addsumskyfileMode);
         MODECASE(STACKTOOL_MODE_SUMSKYFILE,         sumskyfileMode);
+        MODECASE(STACKTOOL_MODE_REVERTSUMSKYFILE,   revertsumskyfileMode);
         default:
             psAbort("invalid option (this should not happen)");
@@ -666,4 +668,36 @@
 
 
+static bool revertsumskyfileMode(pxConfig *config)
+{
+    PS_ASSERT_PTR_NON_NULL(config, false);
+    
+    psString query = pxDataGet("stacktool_revertsumskyfile.sql");
+    if (!query) {
+        psError(PXTOOLS_ERR_DATA, false, "failed to retreive SQL statement");
+        return false;
+    }
+
+    if (config->where) {
+        psString whereClause = psDBGenerateWhereConditionSQL(config->where, "stackSumSkyfile");
+        psStringAppend(&query, " AND %s", whereClause);
+        psFree(whereClause);
+    }
+
+    if (!p_psDBRunQuery(config->dbh, query)) {
+        psError(PS_ERR_UNKNOWN, false, "database error");
+        psFree(query);
+        return false;
+    }
+    psFree(query);
+
+    if (psDBAffectedRows(config->dbh) < 1) {
+        psError(PS_ERR_UNKNOWN, false, "should have affected atleast 1 row");
+        return false;
+    }
+
+    return true;
+}
+
+
 static bool setstackRunState(pxConfig *config, const char *stack_id, const char *state)
 {