diff --git a/cybertools/composer/schema/grid/field.py b/cybertools/composer/schema/grid/field.py
index e20e5ce..6d98529 100644
--- a/cybertools/composer/schema/grid/field.py
+++ b/cybertools/composer/schema/grid/field.py
@@ -157,6 +157,12 @@ class RecordsFieldInstance(GridFieldInstance):
     def getRenderer(self, name):
         return grid_macros.macros.get(name)
 
+    def fromKeyTable(self, value):
+        fis = self.columnFieldInstances
+        return [dict([(fis[0].name, k)] + 
+                     [(fi.name, v[i]) for i, v in enumerate(fis[1:])])
+                for k, v in value.items()]
+
     def marshall(self, value):
         result = []
         value = value or []
@@ -258,6 +264,13 @@ class KeyTableFieldInstance(RecordsFieldInstance):
         pass
 
 
+class ContextBasedRecordsFieldInstance(RecordsFieldInstance):
+
+    @Lazy
+    def columnTypes(self):
+        obj = self.clientInstance.context
+        return [Field(name) for name in obj.columnNames]
+
 class ContextBasedKeyTableFieldInstance(KeyTableFieldInstance):
 
     @Lazy
diff --git a/cybertools/composer/schema/grid/interfaces.py b/cybertools/composer/schema/grid/interfaces.py
index bc521d9..5fc27e2 100644
--- a/cybertools/composer/schema/grid/interfaces.py
+++ b/cybertools/composer/schema/grid/interfaces.py
@@ -51,6 +51,16 @@ class Records(Grid):
                               instanceName='records',))
 
 
+class RecordsTable(Grid):
+
+    __typeInfo__ = ('recordstable',
+                    FieldType('recordstable', 'recordstable',
+                              u'A series of records or rows.',
+                              displayRenderer='display_records',
+                              inputRenderer='input_records',
+                              instanceName='recordstable',))
+
+
 class KeyTable(Grid):
 
     __typeInfo__ = ('keytable',
diff --git a/cybertools/tracking/btree.py b/cybertools/tracking/btree.py
index 79df0ce..a49ac94 100644
--- a/cybertools/tracking/btree.py
+++ b/cybertools/tracking/btree.py
@@ -80,6 +80,11 @@ class Track(Persistent):
             data.update(newData)
         self.data = data    # record change
 
+    def updateIndex(self, **kw):
+        for k, v in kw.items():
+            setattr(self, k, v)
+            getParent(self).indexTrack(0, self, k)
+
     def __repr__(self):
         md = self.metadata
         md['timeStamp'] = timeStamp2ISO(md['timeStamp'])
@@ -102,6 +107,7 @@ class TrackingStorage(BTreeContainer):
     runs = None             # currently active runs
     finishedRuns = None     # finished runs
     currentRuns = None      # the currently active run for each task
+    storage = None          # compatibility with new cco.storage
 
     def __init__(self, *args, **kw):
         trackFactory = kw.pop('trackFactory', None)
@@ -200,6 +206,9 @@ class TrackingStorage(BTreeContainer):
         self.indexTrack(trackNum, track)
         return trackId
 
+    def setTrackData(self, track, data):
+        track.data = data   # persistent track: data will be stored automatically
+
     def updateTrack(self, track, data, overwrite=False):
         trackId = str(track.__name__)
         trackNum = int(trackId)
diff --git a/cybertools/util/date.py b/cybertools/util/date.py
index f614d35..99328ab 100644
--- a/cybertools/util/date.py
+++ b/cybertools/util/date.py
@@ -32,6 +32,8 @@ def getTimeStamp():
     return int(time.time())
 
 def date2TimeStamp(d):
+    if isinstance(d, (int, float)):
+        return int(d)
     return int(time.mktime(d.timetuple()))