Hey,
iirc you cannot set omit_norms in the attachment type itself (as that type
consist of several sub fields). You need to set it for the "file", like
this (untested, on the top of my head)
XContentBuilder map = XContentFactory.jsonBuilder().startObject()
.startObject(idxType)
.startObject("properties")
.startObject("file")
.field("type", "attachment")
.startObject("fields")
.startObject("file")
.field("omit_norms",true)
.endObject()
Also, note that it omit_norms and not omit_norm. In addition I dont know,
what the refid, itexp and totalexp fields are used for inside of the
attachment, see the documentation for supported fields
https://github.com/elasticsearch/elasticsearch-mapper-attachments
Maybe it is something internal I am not aware of.
--Alex
On Mon, Jan 27, 2014 at 12:02 PM, Hiro Gangwani <[email protected]>wrote:
> Dear Sir,
>
> We are indexing the document content and executing text based search from
> document content. Is there way to disable lucene's preference to score
> shorter documents higher?
>
> Consider following example
>
> 1. we have 2 documents A and B
> 2. We execute search based upon text Java
> 3. A document has 10 matching words while document B has 7 words. But size
> of document B is smaller than document A.
> 4. During search operation document B is assigned higher score because its
> size is smaller than document A( Though A has higher count of words Java)
>
> In one of forums we learnt that using omit_norms we can ignore the size of
> document while indexing. We tried this approach and still not getting the
> desired results.
>
> we are using Java API to create the indexes using XContentBuilder. please
> find the code below
>
>
> -- Creating index
> XContentBuilder map = XContentFactory.jsonBuilder().startObject()
> .startObject(idxType)
> .startObject("properties")
> .startObject("file")
> .field("type", "attachment")
> .*field("omit_norm","true")*
> .startObject("fields")
> .startObject("refid")
> .field("store", "yes")
> .endObject()
> .startObject("name")
> .field("store", "yes")
> .endObject()
> .startObject("itexp")
> .field("store", "yes")
> .endObject()
> .startObject("totalexp")
> .field("store", "yes")
> .endObject()
> .endObject()
> .endObject()
> .endObject()
> .endObject();
> CreateIndexResponse lResponse =
> client.admin().indices().prepareCreate(idxName)
> .addMapping("attachment", map).execute().actionGet();
>
> --- Indexing document
>
> XContentBuilder source = XContentFactory.jsonBuilder().startObject()
> .field("file", data64)
> .field("refid", "2")
> .field("name", "Maya")
> .field("totalexp",11.0);
>
> Please let me know if above code is correct.We are not getting desired
> results even after applying the omit_norms parameter.
>
> Thanks in advance
>
> Hiro Gangwani
>
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