[Dev] Indexes on ref collections

[John Anderson]

I missed the last line of the traceback. Here it is again:

Traceback (most recent call last):
  File 
"d:\John\osaf\chandler\parcels\osaf\contentmodel\ItemCollection.py", 
line 159, in getResults
    self.updateResults()
  File 
"d:\John\osaf\chandler\parcels\osaf\contentmodel\ItemCollection.py", 
line 185, in updateResults
    self._results = [index for index in query]
  File "d:\John\osaf\chandler\repository\item\Item.py", line 173, in 
__setattr__
    _attrDict=self._references)
  File "d:\John\osaf\chandler\repository\item\Item.py", line 431, in 
setAttributeValue
    refDict.extend(value)
  File "d:\John\osaf\chandler\repository\item\ItemRef.py", line 694, in 
extend
    self.append(value, None)
  File "d:\John\osaf\chandler\repository\item\ItemRef.py", line 734, in 
append
    self.__setitem__(item._uuid, item, alias=alias)
  File "d:\John\osaf\chandler\repository\item\ItemRef.py", line 807, in 
__setitem__
    index.insertKey(key, previousKey)
  File "d:\John\osaf\chandler\repository\item\Indexes.py", line 126, in 
insertKey
    self.insert(self, key, afterKey)
  File "d:\John\osaf\chandler\repository\util\SkipList.py", line 246, in 
insert
    self._place(map, SkipList.INSERT, key, afterKey)
  File "d:\John\osaf\chandler\repository\util\SkipList.py", line 124, in 
_place
    if level > self.getLevel():
  File "d:\John\osaf\chandler\repository\util\SkipList.py", line 107, in 
getLevel
    return self._head.getLevel()
AttributeError: 'NoneType' object has no attribute 'getLevel'





John Anderson wrote:

> Hi Andi:
>
> I was able to create an index on a ref collection and use it, however 
> when I quit, rerun, and try to use it again I get the following 
> traceback:
>
> Traceback (most recent call last):
>  File 
> "d:\John\osaf\chandler\parcels\osaf\contentmodel\ItemCollection.py", 
> line 159, in getResults
>    self.updateResults()
>  File 
> "d:\John\osaf\chandler\parcels\osaf\contentmodel\ItemCollection.py", 
> line 185, in updateResults
>    self._results = [index for index in query]
>  File "d:\John\osaf\chandler\repository\item\Item.py", line 173, in 
> __setattr__
>    _attrDict=self._references)
>  File "d:\John\osaf\chandler\repository\item\Item.py", line 431, in 
> setAttributeValue
>    refDict.extend(value)
>  File "d:\John\osaf\chandler\repository\item\ItemRef.py", line 694, in 
> extend
>    self.append(value, None)
>  File "d:\John\osaf\chandler\repository\item\ItemRef.py", line 734, in 
> append
>    self.__setitem__(item._uuid, item, alias=alias)
>  File "d:\John\osaf\chandler\repository\item\ItemRef.py", line 807, in 
> __setitem__
>    index.insertKey(key, previousKey)
>  File "d:\John\osaf\chandler\repository\item\Indexes.py", line 126, in 
> insertKey
>    self.insert(self, key, afterKey)
>  File "d:\John\osaf\chandler\repository\util\SkipList.py", line 246, 
> in insert
>    self._place(map, SkipList.INSERT, key, afterKey)
>  File "d:\John\osaf\chandler\repository\util\SkipList.py", line 124, 
> in _place
>    if level > self.getLevel():
>  File "d:\John\osaf\chandler\repository\util\SkipList.py", line 107, 
> in getLevel
>    return self._head.getLevel()
>
> Any ideas?
>
> Also--thinking more about pinning pain--was there another reason 
> besides the Java argument that made reusing the python object, like 
> you do for pinned objects hard?
>
> John
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