Index: trunk/ippTools/src/pzgetexp.c
===================================================================
--- trunk/ippTools/src/pzgetexp.c	(revision 18919)
+++ trunk/ippTools/src/pzgetexp.c	(revision 18928)
@@ -149,5 +149,21 @@
     if (!psDBTransaction(config->dbh)) {
         psError(PS_ERR_UNKNOWN, false, "database error");
+        psFree(newSummitExps);
         return false;
+    }
+
+    // increase memory table size limits; deafult is 16MB
+    {
+        // 512MB
+        char *query = "SET max_heap_table_size = 1024*1024*512";
+        if (!p_psDBRunQuery(config->dbh, query)) {
+            // rollback
+            if (!psDBRollback(config->dbh)) {
+                psError(PS_ERR_UNKNOWN, false, "database error");
+            }
+            psError(PS_ERR_UNKNOWN, false, "database error");
+            psFree(newSummitExps);
+            return false;
+        }
     }