Hi!
Managed to make it work:
Before indexing I defined a mapping:
XContentBuilder mappingBuilder = jsonBuilder().
startObject() //all
.startObject(IndexType.discussions.name()) //type
.startObject("properties") //properties
.startObject("title").field("type", "string").endObject()
.startObject("text").field("type", "string").endObject()
.startObject("poll").field("type", "nested").endObject()
.endObject() //properties
.endObject() //type
.endObject(); //all
CreateIndexResponse createIndexResponse =
client.admin().indices().prepareCreate(index_name).addMapping(
index_type, mappingBuilder).execute()
.actionGet();
When indexing:
XContentBuilder builder = jsonBuilder().startObject()
.field("title", getTitle())
.field("text", getText())
.startArray("poll");
for (PollOption poll : getPollList()) {
builder = builder.startObject().field("text", poll.getText()).endObject();
}
builder = builder.endArray().endObject();
IndexResponse response = client.prepareIndex(
index_name, index_type, getId()).setSource(
builder).execute().actionGet();
When Searching:
SearchRequestBuilder srqb =
client.prepareSearch(index_name).setTypes(index_type).
setQuery(filteredQuery(matchAllQuery(),
orFilter(queryFilter(fieldQuery("title", searchText)),
queryFilter(fieldQuery("text", searchText)),
nestedFilter("poll",
fieldQuery("poll.text", searchText)))));
Hope this will help someone.
Tamar
On Wed, Mar 13, 2013 at 10:41 AM, David Pilato david@pilato.fr wrote:
Just search in poll.text, title, text fields.
It should work and you probably don't need nested docs here.
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Le 12 mars 2013 à 18:59, Tamar Fraenkel tamar.fraenkel@gmail.com a
écrit :
Hi
Thanks for the reply.
I actually saw this but have no clue on how to define such mapping using
the java API.
What I am trying to achieve is search for discussion by text match to
either the title, text, or one of the votes texts.
I can probably flatten the Json and solve the issue, but I was hoping I
wouldn't have to.
Also, I am not sure why search works for some words but not others
Tamar
On Mar 12, 2013 3:59 PM, "David Pilato" david@pilato.fr wrote:
You can't use nested filters if you did not define nested objects using a
mapping first.
See:
Elasticsearch Platform — Find real-time answers at scale | Elastic
That said, what are you trying to achieve here?
What are you looking for?
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*
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Le 12 mars 2013 à 13:21, Tamar Fraenkel tamar.fraenkel@gmail.com a
écrit :
Hi!
I am a newbie to elasticsearch.
I have a json document with the following structure
{
- id: "45f9f13c-5234-4a72-8a08-3863deed3755",
- title: "My Title",
- text: "My Text",
- article:
{
- id: "http://.http://www.thehindu.com/arts/theatre/article3810675.ece
..",
- url: null,
- title: "Article Title",
- excerpt: "...",
- imageUrl: "http:http://www.thehindu.com/multimedia/dynamic/01186/A_sequence_from_Ma_1186698g.jpg
",
- sourceId: 110,
- sourceName: "Source",
- sourceIconUrl: "http://http://www.thehindubusinessline.com/template/1-0-1/gfx/favicon.ico
",
- time: "2012-08-23 17:49:00 +0300",
- topics: null,
},
-
poll:
[
{
- text: "Option 1",
- count: 0,
- index: 0
},
{
- text: "Option 2",
- count: 0,
- index: 1
},
{
- text: "Option 3",
- count: 0,
- index: 2
},
{
- text: "Option 14",
- count: 0,
- index: 3
}
I am using the Java API
I am indexing this object like this
IndexResponse response = client.prepareIndex(
ES_INDEX, "discussions",
id).setSource(json_string).execute().actionGet();
When I query it like this it works fine, but it will search only in
title and text fields. It will also find only cases where searchText
is the prefix of text or title. Why?
client.prepareSearch(ES_INDEX).setTypes(type.name())
.setQuery(filteredQuery(matchAllQuery(),
andFilter(boolFilter().must(termFilter("test",
"false")),
orFilter(inFilter("title", searchText),
inFilter("text", searchText)))))
.setSearchType(
SearchType.DFS_QUERY_THEN_FETCH).setFrom(0).setSize(
limit).execute().actionGet();
I can't search in the poll text. Tried nested filter but I am getting
exception below
Exception
nested: QueryParsingException[[tokrest] [nested] nested object under
path [poll] is not of nested type]; }
at
org.elasticsearch.action.search.type.TransportSearchTypeAction$BaseAsyncAction.onFirstPhaseResult(TransportSearchTypeAction.java:260)
at
org.elasticsearch.action.search.type.TransportSearchTypeAction$BaseAsyncAction$3.onFailure(TransportSearchTypeAction.java:213)
at
org.elasticsearch.search.action.SearchServiceTransportAction.sendExecuteDfs(SearchServiceTransportAction.java:110)
at
org.elasticsearch.action.search.type.TransportSearchDfsQueryThenFetchAction$AsyncAction.sendExecuteFirstPhase(TransportSearchDfsQueryThenFetchAction.java:86)
at
org.elasticsearch.action.search.type.TransportSearchTypeAction$BaseAsyncAction.performFirstPhase(TransportSearchTypeAction.java:205)
at
org.elasticsearch.action.search.type.TransportSearchTypeAction$BaseAsyncAction.performFirstPhase(TransportSearchTypeAction.java:192)
at
org.elasticsearch.action.search.type.TransportSearchTypeAction$BaseAsyncAction$2.run(TransportSearchTypeAction.java:178)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:722)
Any help and code examples will be appreciated!
Tamar Fraenkel
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Jerusalem, Israel
Home: +972-2-6500435
Cell: +972-54-8356490
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