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Posted to pylucene-dev@lucene.apache.org by Premraj Narkhede <pr...@dolcera.com> on 2014/02/03 07:51:12 UTC
Need help with TermsEnum
Hi
I am trying to get to terms in Index using following code.
But I keep getting error saying termsEnum doesnt have "next" function
Please help
ireader= DirectoryReader.open(dir1)
terms = SlowCompositeReaderWrapper.wrap(ireader).terms("Doc");
termsEnum = terms.iterator(None)
while termsEnum.next():
fg=termsEnum.term()
print fg
Premraj
Re: Need help with TermsEnum
Posted by Premraj Narkhede <pr...@dolcera.com>.
Sorry this is entire code
ireader = IndexReader.open(dir1)
fields = MultiFields.getFields(ireader)
terms = fields.terms("Doc")
termsEnumvar = terms.iterator(None)
termsref = BytesRefIterator.cast_(termsEnumvar)
term_dict={}
try:
while (termsref.next()):
termval = TermsEnum.cast_(termsref)
fg = termval.term().utf8ToString()
freq = termval.docFreq()
term_dict[fg]=freq
except:
print 'error in term_dict'
On Tue, Feb 4, 2014 at 12:54 PM, Premraj Narkhede <
premraj.narkhede@dolcera.com> wrote:
> Hi Andi
>
> Thanks for your help
>
> we tried following solutions and it worked
>
> term_dict={}
> try:
> while (termsref.next()):
> termval = TermsEnum.cast_(termsref)
> fg = termval.term().utf8ToString()
> freq = termval.docFreq()
> term_dict[fg]=freq
> except:
> print 'error in term_dict'
>
>
> On Mon, Feb 3, 2014 at 2:22 PM, Premraj Narkhede <
> premraj.narkhede@dolcera.com> wrote:
>
>> Thanks
>>
>> We will quickly try this and come back with results.
>>
>>
>> On Mon, Feb 3, 2014 at 1:43 PM, Andi Vajda <va...@apache.org> wrote:
>>
>>>
>>> > On Feb 2, 2014, at 23:09, Premraj Narkhede <
>>> premraj.narkhede@dolcera.com> wrote:
>>> >
>>> > I am using 4.5.1
>>> >
>>> >
>>> >> On Mon, Feb 3, 2014 at 12:38 PM, Andi Vajda <va...@apache.org> wrote:
>>> >>
>>> >>
>>> >>>> On Feb 2, 2014, at 22:51, Premraj Narkhede <
>>> premraj.narkhede@dolcera.com>
>>> >>> wrote:
>>> >>>
>>> >>> Hi
>>> >>>
>>> >>> I am trying to get to terms in Index using following code.
>>> >>>
>>> >>> But I keep getting error saying termsEnum doesnt have "next" function
>>>
>>> Try casting your termsEnum object to a BytesRefIterator via:
>>> BytesRefIterator.cast_(termsEnum)
>>> then call next() on the result.
>>>
>>> http://lucene.apache.org/core/4_5_1/core/org/apache/lucene/index/TermsEnum.html
>>>
>>> You shouldn't have to do that, since TermsEnum implements that
>>> interface. Maybe you found a bug. See if there is a PyLucene unit test that
>>> uses TermsEnum and how it's done there (not near computer with code to
>>> check myself at the moment).
>>>
>>> Andi..
>>>
>>> >>>
>>> >>> Please help
>>> >>
>>> >> What version of PyLucene are you using ?
>>> >>
>>> >> Andi..
>>> >>
>>> >>>
>>> >>> ireader= DirectoryReader.open(dir1)
>>> >>> terms = SlowCompositeReaderWrapper.wrap(ireader).terms("Doc");
>>> >>> termsEnum = terms.iterator(None)
>>> >>> while termsEnum.next():
>>> >>> fg=termsEnum.term()
>>> >>> print fg
>>> >>>
>>> >>> Premraj
>>> >>
>>>
>>
>>
>
Re: Need help with TermsEnum
Posted by Premraj Narkhede <pr...@dolcera.com>.
Hi Andi
Thanks for your help
we tried following solutions and it worked
term_dict={}
try:
while (termsref.next()):
termval = TermsEnum.cast_(termsref)
fg = termval.term().utf8ToString()
freq = termval.docFreq()
term_dict[fg]=freq
except:
print 'error in term_dict'
On Mon, Feb 3, 2014 at 2:22 PM, Premraj Narkhede <
premraj.narkhede@dolcera.com> wrote:
> Thanks
>
> We will quickly try this and come back with results.
>
>
> On Mon, Feb 3, 2014 at 1:43 PM, Andi Vajda <va...@apache.org> wrote:
>
>>
>> > On Feb 2, 2014, at 23:09, Premraj Narkhede <
>> premraj.narkhede@dolcera.com> wrote:
>> >
>> > I am using 4.5.1
>> >
>> >
>> >> On Mon, Feb 3, 2014 at 12:38 PM, Andi Vajda <va...@apache.org> wrote:
>> >>
>> >>
>> >>>> On Feb 2, 2014, at 22:51, Premraj Narkhede <
>> premraj.narkhede@dolcera.com>
>> >>> wrote:
>> >>>
>> >>> Hi
>> >>>
>> >>> I am trying to get to terms in Index using following code.
>> >>>
>> >>> But I keep getting error saying termsEnum doesnt have "next" function
>>
>> Try casting your termsEnum object to a BytesRefIterator via:
>> BytesRefIterator.cast_(termsEnum)
>> then call next() on the result.
>>
>> http://lucene.apache.org/core/4_5_1/core/org/apache/lucene/index/TermsEnum.html
>>
>> You shouldn't have to do that, since TermsEnum implements that interface.
>> Maybe you found a bug. See if there is a PyLucene unit test that uses
>> TermsEnum and how it's done there (not near computer with code to check
>> myself at the moment).
>>
>> Andi..
>>
>> >>>
>> >>> Please help
>> >>
>> >> What version of PyLucene are you using ?
>> >>
>> >> Andi..
>> >>
>> >>>
>> >>> ireader= DirectoryReader.open(dir1)
>> >>> terms = SlowCompositeReaderWrapper.wrap(ireader).terms("Doc");
>> >>> termsEnum = terms.iterator(None)
>> >>> while termsEnum.next():
>> >>> fg=termsEnum.term()
>> >>> print fg
>> >>>
>> >>> Premraj
>> >>
>>
>
>
Re: Need help with TermsEnum
Posted by Premraj Narkhede <pr...@dolcera.com>.
Thanks
We will quickly try this and come back with results.
On Mon, Feb 3, 2014 at 1:43 PM, Andi Vajda <va...@apache.org> wrote:
>
> > On Feb 2, 2014, at 23:09, Premraj Narkhede <pr...@dolcera.com>
> wrote:
> >
> > I am using 4.5.1
> >
> >
> >> On Mon, Feb 3, 2014 at 12:38 PM, Andi Vajda <va...@apache.org> wrote:
> >>
> >>
> >>>> On Feb 2, 2014, at 22:51, Premraj Narkhede <
> premraj.narkhede@dolcera.com>
> >>> wrote:
> >>>
> >>> Hi
> >>>
> >>> I am trying to get to terms in Index using following code.
> >>>
> >>> But I keep getting error saying termsEnum doesnt have "next" function
>
> Try casting your termsEnum object to a BytesRefIterator via:
> BytesRefIterator.cast_(termsEnum)
> then call next() on the result.
>
> http://lucene.apache.org/core/4_5_1/core/org/apache/lucene/index/TermsEnum.html
>
> You shouldn't have to do that, since TermsEnum implements that interface.
> Maybe you found a bug. See if there is a PyLucene unit test that uses
> TermsEnum and how it's done there (not near computer with code to check
> myself at the moment).
>
> Andi..
>
> >>>
> >>> Please help
> >>
> >> What version of PyLucene are you using ?
> >>
> >> Andi..
> >>
> >>>
> >>> ireader= DirectoryReader.open(dir1)
> >>> terms = SlowCompositeReaderWrapper.wrap(ireader).terms("Doc");
> >>> termsEnum = terms.iterator(None)
> >>> while termsEnum.next():
> >>> fg=termsEnum.term()
> >>> print fg
> >>>
> >>> Premraj
> >>
>
Re: Need help with TermsEnum
Posted by Andi Vajda <va...@apache.org>.
> On Feb 2, 2014, at 23:09, Premraj Narkhede <pr...@dolcera.com> wrote:
>
> I am using 4.5.1
>
>
>> On Mon, Feb 3, 2014 at 12:38 PM, Andi Vajda <va...@apache.org> wrote:
>>
>>
>>>> On Feb 2, 2014, at 22:51, Premraj Narkhede <pr...@dolcera.com>
>>> wrote:
>>>
>>> Hi
>>>
>>> I am trying to get to terms in Index using following code.
>>>
>>> But I keep getting error saying termsEnum doesnt have "next" function
Try casting your termsEnum object to a BytesRefIterator via:
BytesRefIterator.cast_(termsEnum)
then call next() on the result.
http://lucene.apache.org/core/4_5_1/core/org/apache/lucene/index/TermsEnum.html
You shouldn't have to do that, since TermsEnum implements that interface. Maybe you found a bug. See if there is a PyLucene unit test that uses TermsEnum and how it's done there (not near computer with code to check myself at the moment).
Andi..
>>>
>>> Please help
>>
>> What version of PyLucene are you using ?
>>
>> Andi..
>>
>>>
>>> ireader= DirectoryReader.open(dir1)
>>> terms = SlowCompositeReaderWrapper.wrap(ireader).terms("Doc");
>>> termsEnum = terms.iterator(None)
>>> while termsEnum.next():
>>> fg=termsEnum.term()
>>> print fg
>>>
>>> Premraj
>>
Re: Need help with TermsEnum
Posted by Premraj Narkhede <pr...@dolcera.com>.
I am using 4.5.1
On Mon, Feb 3, 2014 at 12:38 PM, Andi Vajda <va...@apache.org> wrote:
>
> > On Feb 2, 2014, at 22:51, Premraj Narkhede <pr...@dolcera.com>
> wrote:
> >
> > Hi
> >
> > I am trying to get to terms in Index using following code.
> >
> > But I keep getting error saying termsEnum doesnt have "next" function
> >
> > Please help
>
> What version of PyLucene are you using ?
>
> Andi..
>
> >
> > ireader= DirectoryReader.open(dir1)
> > terms = SlowCompositeReaderWrapper.wrap(ireader).terms("Doc");
> > termsEnum = terms.iterator(None)
> > while termsEnum.next():
> > fg=termsEnum.term()
> > print fg
> >
> > Premraj
>
Re: Need help with TermsEnum
Posted by Andi Vajda <va...@apache.org>.
> On Feb 2, 2014, at 22:51, Premraj Narkhede <pr...@dolcera.com> wrote:
>
> Hi
>
> I am trying to get to terms in Index using following code.
>
> But I keep getting error saying termsEnum doesnt have "next" function
>
> Please help
What version of PyLucene are you using ?
Andi..
>
> ireader= DirectoryReader.open(dir1)
> terms = SlowCompositeReaderWrapper.wrap(ireader).terms("Doc");
> termsEnum = terms.iterator(None)
> while termsEnum.next():
> fg=termsEnum.term()
> print fg
>
> Premraj