Results: Keep timestamps index table.

src/Model/Results/Results.py

@@ -215,6 +215,12 @@ class Results(SQLSubModel):
     def get(self, key):
         return self._meta_data[key]
 
+    def set_timestamp_index(self, index):
+        self._ts_index = index
+
+    def get_timestamp_id(self, ts):
+        return self._ts_index[ts]
+
     def reload(self):
         return self._solver.results(
             self._study,

src/Solver/Mage.py

@@ -1174,6 +1174,11 @@ class Mage8(Mage):
                 endline()
                 end = newline().size <= 0
 
+            ts_index = {}
+            for i, t in enumerate(sorted(ts)):
+                ts_index[t] = i
+            results.set_timestamp_index(ts_index)
+
             table = {}
             for k in tmp_table:
                 table[k] = np.array(tmp_table[k])