By default, your content is processed by analyzers: http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/analysis-standard-analyzer.html
The default one will analyze "TestApp" to [ "testapp" ].
That's what is going to be indexed in the inverted index.
When searching, you search in the index not in source docs. Searching for "TestApp" won't match "testapp".
TermFilter is not analyzed. That means your query won't be analyzed by the same analyzer used at index time.
MatchQuery is for example analyzed. So searching for "TESTApp" will work...
Hope this helps
--
David Pilato | Technical Advocate | Elasticsearch.com
@dadoonet | @elasticsearchfr
Le 3 mars 2014 à 10:20:04, Srinath C (srinath.c@gmail.com) a écrit:
Thanks David, it indeed works if I use "testapp" instead of "TestApp"!!
Can you point me to some links to understand this better? What does it mean by saying "Term query is not analyzed"?
If my values are case-sensitive which types of filter are suitable?
On Mon, Mar 3, 2014 at 12:57 PM, David Pilato david@pilato.fr wrote:
Try testapp lowercase.
Term query is not analyzed.
--
David 
Twitter : @dadoonet / @elasticsearchfr / @scrutmydocs
Le 3 mars 2014 à 04:00, Srinath C srinath.c@gmail.com a écrit :
Hi,
I'm a newbie to elasticsearch and I have been trying to understand the Query DSL and am having some difficulty in querying data using filters.
Records are being added to an index with a structure as below:
{ "applicationId": "TestApp", "timestamp": 1393649305868, "value": 20 }
{ "applicationId": "App", "timestamp": 1393649305868, "value": 20 }
After adding sufficient number of records, am trying to query back the data using the query (Path /{index}/{type}/_search ):
{ "query": { "match_all": { } }, "filter": { "bool": { "must": [ { "term" : { "applicationId" : "TestApp" } } ] } }, "size": 10 }
But no records match the query. I looked at the way kibana is creating queries for the same and it looks pretty complex (attached).
{"took":6,"timed_out":false,"_shards":{"total":5,"successful":5,"failed":0},"hits":{"total":0,"max_score":null,"hits":[]}}
Can anyone reason out what is wrong with the above filter based query and can there be a simpler query than what kibana uses(attached)?
Thanks,
Srinath.
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