You should use the stationName not station if your object is indexed on the
field, i.e. stationName.
Even class Station implements DataSerializable, lucene index are still only
index on the object's fields, such as stationName.
On Wed, Jan 29, 2020 at 1:04 PM vas aj <vasudevan.a...@gmail.com> wrote:
> Sorry
> queryString = "station: piccadilly*" to get the mentioned error.
>
> On Wed, Jan 29, 2020 at 9:01 PM vas aj <vasudevan.a...@gmail.com> wrote:
>
>> Hi team,
>>
>> The below code :
>>
>> queryString = "piccadilly*";
>> Query queryToExecute = new StandardQueryParser().parse(queryString,
>> "stationNameIndex");
>>
>> LuceneQuery<Long, Station> luceneQuery =
>> luceneService
>> .createLuceneQueryFactory()
>> .setLimit(100)
>> .create(
>> "stationNameIndex",
>> "stations-region",
>> index -> {
>> return new BooleanQuery.Builder()
>> .add(queryToExecute, BooleanClause.Occur.MUST)
>> .build();
>> });
>> Collection<Station> stations = luceneQuery.findValues();
>>
>> *throws the below error : *
>>
>> Error while querying => {}
>> org.apache.geode.SerializationException: failed serializing object
>> at
>> org.apache.geode.internal.cache.tier.sockets.Message.serializeAndAddPart(Message.java:408)
>> at
>> org.apache.geode.internal.cache.tier.sockets.Message.addObjPart(Message.java:350)
>> at
>> org.apache.geode.internal.cache.tier.sockets.Message.addObjPart(Message.java:329)
>> at
>> org.apache.geode.cache.client.internal.ExecuteRegionFunctionSingleHopOp$ExecuteRegionFunctionSingleHopOpImpl.<init>(ExecuteRegionFunctionSingleHopOp.java:180)
>> at
>> org.apache.geode.cache.client.internal.ServerRegionProxy.lambda$executeFunction$1(ServerRegionProxy.java:699)
>> at
>> org.apache.geode.cache.client.internal.ExecuteRegionFunctionSingleHopOp.constructAndGetExecuteFunctionTasks(ExecuteRegionFunctionSingleHopOp.java:131)
>> at
>> org.apache.geode.cache.client.internal.ExecuteRegionFunctionSingleHopOp.execute(ExecuteRegionFunctionSingleHopOp.java:84)
>> at
>> org.apache.geode.cache.client.internal.ServerRegionProxy.executeFunction(ServerRegionProxy.java:701)
>> at
>> org.apache.geode.internal.cache.execute.ServerRegionFunctionExecutor.executeOnServer(ServerRegionFunctionExecutor.java:200)
>> at
>> org.apache.geode.internal.cache.execute.ServerRegionFunctionExecutor.executeFunction(ServerRegionFunctionExecutor.java:154)
>> at
>> org.apache.geode.internal.cache.execute.ServerRegionFunctionExecutor.execute(ServerRegionFunctionExecutor.java:379)
>> at
>> org.apache.geode.cache.lucene.internal.LuceneQueryImpl.findTopEntries(LuceneQueryImpl.java:121)
>> at
>> org.apache.geode.cache.lucene.internal.LuceneQueryImpl.findPages(LuceneQueryImpl.java:99)
>> at
>> org.apache.geode.cache.lucene.internal.LuceneQueryImpl.findResults(LuceneQueryImpl.java:85)
>> at
>> org.apache.geode.cache.lucene.internal.LuceneQueryImpl.findValues(LuceneQueryImpl.java:78)
>>
>> whereas
>>
>> LuceneQuery<Long, Station> luceneQuery =
>> luceneService
>> .createLuceneQueryFactory()
>> .setLimit(100)
>> .create(
>> "stationNameIndex",
>> "stations-region",
>> queryString,
>> "stationName"
>> });
>>
>> works perfectly & Station implements org.apache.geode.DataSerializable.
>>
>> What am I missing?.
>> Please help.
>>
>> Regards,
>> Aj
>>
>> On Tue, Jan 28, 2020 at 11:31 PM Xiaojian Zhou <gz...@pivotal.io> wrote:
>>
>>> Maybe you should change one or both of the "MUST" to "SHOULD". And it's
>>> better to switch the order of the 2 subqueries.
>>>
>>>
>>> On Tue, Jan 28, 2020 at 2:23 PM vas aj <vasudevan.a...@gmail.com> wrote:
>>>
>>>> Thanks Dan for the quick help.
>>>> However the query failed.
>>>>
>>>> Working on the same.
>>>>
>>>> On Tue, 28 Jan 2020, 19:55 Dan Smith, <dsm...@pivotal.io> wrote:
>>>>
>>>>> I think you could probably use a BooleanQuery to do this. Something
>>>>> like this, although I haven't tested it. Your LuceneQuery1 just results in
>>>>> a call to StandardQueryParser.parse, so you can combine that with your
>>>>> spatial query:
>>>>>
>>>>> LuceneQuery<Long, Station> luceneQuery2 =
>>>>> luceneService
>>>>> .createLuceneQueryFactory()
>>>>> .create("stationNameIndex", "stations-region", index -> {
>>>>> BooleanQuery query = new BooleanQuery();
>>>>> query.add(new StandardQueryParser().parse(queryString,
>>>>> name), BooleanQuery.Occur.MUST);
>>>>> query.add(SpatialHelper.findWithin(-122.8515139,
>>>>> 45.5099231, 0.5), , BooleanQuery.Occur.MUST);
>>>>> return query;
>>>>> }
>>>>>
>>>>> On Tue, Jan 28, 2020 at 11:36 AM vas aj <vasudevan.a...@gmail.com>
>>>>> wrote:
>>>>>
>>>>>> Hi team,
>>>>>>
>>>>>> I want to execute a *LuceneQuery* that searches both a
>>>>>> queryString(E.g. "station:Piccadilly*") as well as nearest station within
>>>>>> .5 miles.(E.g. SpatialHelper.findWithin(lat, long, 0.5))
>>>>>>
>>>>>> In other words, is there any means of combining *luceneQuery1* &
>>>>>> *luceneQuery2* and executing them as
>>>>>> Collection<Station> nearestStations = *luceneQuery*.findValues();
>>>>>>
>>>>>> where luceneQuery = luceneQuery1 + luceneQuery2
>>>>>>
>>>>>> *LuceneQuery1*
>>>>>> LuceneQuery<Long, Station> luceneQuery1 =
>>>>>> luceneService
>>>>>> .createLuceneQueryFactory()
>>>>>> .setLimit(100)
>>>>>> .create("stationNameIndex", "stations-region",
>>>>>> queryString, "name");
>>>>>>
>>>>>> *LuceneQuery2*
>>>>>> LuceneQuery<Long, Station> luceneQuery2 =
>>>>>> luceneService
>>>>>> .createLuceneQueryFactory()
>>>>>> .create("stationNameIndex", "stations-region", index ->
>>>>>> SpatialHelper.findWithin(-122.8515139, 45.5099231, 0.5);
>>>>>>
>>>>>> Regards
>>>>>> Aj
>>>>>>
>>>>>
