I am a newbie to Pytables and thanks a lot for pointing out the problem!
Regards
Sree aurovindh V
On Wed, Mar 14, 2012 at 10:24 PM, Anthony Scopatz <scop...@gmail.com> wrote:
> Hello Sreeaurovindh,
>
> The problem is not with PyTables, but rather that you have a bug in the
> code.
> You assign table to be the adSuggester table and then try to access
> queryToken
> attributes / columns. This line:
>
> queryToken=table.row
>
> should really be:
>
> queryToken=queryTable.row
>
> Be Well
> Anthony
>
>
>
> On Wed, Mar 14, 2012 at 11:16 AM, sreeaurovindh viswanathan <
> sreeaurovi...@gmail.com> wrote:
>
>> Hi,
>>
>> I have the following tables in my python code.When i try to access the
>> adSuggester['trId'] it works but whereas when i try to use
>> queryToken['qId'] it throws me an keyerror.However this is strange because
>> this key exists in the definition of the table.Please help me to resolve
>> this issue.
>> Thanks
>>
>> Traceback (most recent call last):
>> File "C:\Research Docket\KDD\2012 dataset\hd5Writes\hd5-ch1.py", line
>> 88, in <
>> module>
>> queryToken['qId']=trainVals[8]
>> File "tableExtension.pyx", line 1426, in
>> tables.tableExtension.Row.__setitem__
>> (tables\tableExtension.c:11735)
>> File "tableExtension.pyx", line 133, in
>> tables.tableExtension.getNestedFieldCa
>> che (tables\tableExtension.c:1675)
>> File "utilsExtension.pyx", line 497, in
>> tables.utilsExtension.getNestedField (
>> tables\utilsExtension.c:3695)
>> KeyError: 'no such column: qId'
>> Closing remaining open files: train_1.h5... done
>>
>> Below is the python code:
>>
>> class adSuggester(IsDescription):
>> trId = UInt32Col(pos=0)
>> click=UInt16Col(pos=1)
>>
>> class queryToken(IsDescription):
>> qId=UInt32Col(pos=0)
>> qTok=UInt32Col(pos=1)
>>
>> filename="train.h5"
>> titleTrain="train_data"
>> h5file = openFile(filename, mode = "w", title=titleTrain)
>> root=h5file.root
>> group = h5file.createGroup("/", 'Data', "kddDataChunk"+str(chunkId))
>> table = h5file.createTable(group, 'dataset', adSuggester, "DatasetChunk
>> for")
>> groupQuery=h5file.createGroup("/",'queryGrp')
>> queryTable=h5file.createTable(groupQuery,'query',queryToken,"Query Table
>> for ")
>> adSuggester=table.row
>> queryToken=table.row
>> adSuggester['trId']=trainVals[0] #works
>> adSuggester['click']=trainVals[1]
>> queryToken['qId']=trainVals[3] # doesnot work
>> queryToken['qTok']=trainVals[4]
>>
>>
>>
>> ------------------------------------------------------------------------------
>> Virtualization & Cloud Management Using Capacity Planning
>> Cloud computing makes use of virtualization - but cloud computing
>> also focuses on allowing computing to be delivered as a service.
>> http://www.accelacomm.com/jaw/sfnl/114/51521223/
>> _______________________________________________
>> Pytables-users mailing list
>> Pytables-users@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/pytables-users
>>
>>
>
>
> ------------------------------------------------------------------------------
> Virtualization & Cloud Management Using Capacity Planning
> Cloud computing makes use of virtualization - but cloud computing
> also focuses on allowing computing to be delivered as a service.
> http://www.accelacomm.com/jaw/sfnl/114/51521223/
> _______________________________________________
> Pytables-users mailing list
> Pytables-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/pytables-users
>
>
------------------------------------------------------------------------------
Virtualization & Cloud Management Using Capacity Planning
Cloud computing makes use of virtualization - but cloud computing
also focuses on allowing computing to be delivered as a service.
http://www.accelacomm.com/jaw/sfnl/114/51521223/
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