Custom Score script parameter not working

Elastic Stack Elasticsearch
1

Hi,

I'm using following custom score script parameter for customizing the
scoring of my documents.

String script = "doc['po'].value";

But it gives me error that:

[Error: could not access: value; in class:
org.elasticsearch.index.fielddata.ScriptDocValues$Empty

My al documents contain this field but why Elasticsearch is not able to
access the value of this field ?

Any idea ?

I have also included that field in my mapping.
"po": {
"type": "double",
"boost": 4.0
}

We can use boost for such a field right ?

Thanks

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2

That means you have some documents in your index that is missing the "po"
field. You should be able to run a query like this to find out:

{
"query": {
"filtered": {
"filter": {
"missing": {
"field": "po"
}
}
}
}
}

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3

I don't have any document for which po field is empty. I have checked my
mongo collections. Also, earlier it was taking value 1 for all the
documents that was the reason why _score was same for all the documents. Is
there anything wrong in my mapping field which is causing issue ? Please
help me.

On Thu, Jan 30, 2014 at 6:32 PM, Binh Ly binh@hibalo.com wrote:

That means you have some documents in your index that is missing the "po"
field. You should be able to run a query like this to find out:

{
"query": {
"filtered": {
"filter": {
"missing": {
"field": "po"
}
}
}
}
}

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4

I'm shocked what really is happening.

The output of above query shows all my documents are missing that
particular field value.

{"took":222,"timed_out":false,"_shards":{"total":1,"successful":1,"failed":0},"hits":{"total":4185107,"max_score":1.0,"hits":[{"_index":"acqindex","_type":"autocomplete_questions","_id":"50efe5637d5cb0e49ce64bfb","_score":1.0,
"_source" :
{"_id":"50efe5637d5cb0e49ce64bfb","count":0.0,"ctype":"driving","en":true,"po":6.1923076923076925,"text":"dindigul
to guntur driving
directions","url":"/driving-direction-by-road-route-map/dindigul-to-guntur-driving-directions"}},{"_index":"acqindex","_type":"autocomplete_questions","_id":"50efe5637d5cb0e49ce74bfb","_score":1.0,
"_source" :
{"_id":"50efe5637d5cb0e49ce74bfb","count":0.0,"ctype":"driving","en":true,"po":6.1923076923076925,"text":"dindigul
to solapur driving
directions","url":"/driving-direction-by-road-route-map/dindigul-to-solapur-driving-directions"}},{"_index":"acqindex","_type":"autocomplete_questions","_id":"50efe5637d5cb0e49ce84bfb","_score":1.0,
"_source" :
{"_id":"50efe5637d5cb0e49ce84bfb","count":0.0,"ctype":"driving","en":true,"po":6.1923076923076925,"text":"diu
to kanyakumari driving
directions","url":"/driving-direction-by-road-route-map/diu-to-kanyakumari-driving-directions"}},{"_index":"acqindex","_type":"autocomplete_questions","_id":"50efe5637d5cb0e49ce94bfb","_score":1.0,
"_source" :
{"_id":"50efe5637d5cb0e49ce94bfb","count":0.0,"ctype":"driving","en":true,"po":6.1923076923076925,"text":"diu
to yellapur driving
directions","url":"/driving-direction-by-road-route-map/diu-to-yellapur-driving-directions"}},{"_index":"acqindex","_type":"autocomplete_questions","_id":"50efe5637d5cb0e49cea4bfb","_score":1.0,
"_source" :
{"_id":"50efe5637d5cb0e49cea4bfb","count":0.0,"ctype":"driving","en":true,"po":6.1923076923076925,"text":"dombivli
to mahabaleshwar driving
directions","url":"/driving-direction-by-road-route-map/dombivli-to-mahabaleshwar-driving-directions"}},{"_index":"acqindex","_type":"autocomplete_questions","_id":"50efe5637d5cb0e49ceb4bfb","_score":1.0,
"_source" :
{"_id":"50efe5637d5cb0e49ceb4bfb","count":0.0,"ctype":"driving","en":true,"po":6.1923076923076925,"text":"dungarpur
to bhadrachalam driving
directions","url":"/driving-direction-by-road-route-map/dungarpur-to-bhadrachalam-driving-directions"}},{"_index":"acqindex","_type":"autocomplete_questions","_id":"50efe5637d5cb0e49cec4bfb","_score":1.0,
"_source" :
{"_id":"50efe5637d5cb0e49cec4bfb","count":0.0,"ctype":"driving","en":true,"po":6.1923076923076925,"text":"dungarpur
to palakkad driving
directions","url":"/driving-direction-by-road-route-map/dungarpur-to-palakkad-driving-directions"}},{"_index":"acqindex","_type":"autocomplete_questions","_id":"50efe5637d5cb0e49ced4bfb","_score":1.0,
"_source" :
{"_id":"50efe5637d5cb0e49ced4bfb","count":0.0,"ctype":"driving","en":true,"po":6.1923076923076925,"text":"durg
to dehradun driving
directions","url":"/driving-direction-by-road-route-map/durg-to-dehradun-driving-directions"}},{"_index":"acqindex","_type":"autocomplete_questions","_id":"50efe5637d5cb0e49cee4bfb","_score":1.0,
"_source" :
{"_id":"50efe5637d5cb0e49cee4bfb","count":0.0,"ctype":"driving","en":true,"po":6.1923076923076925,"text":"durg
to sakleshpur driving
directions","url":"/driving-direction-by-road-route-map/durg-to-sakleshpur-driving-directions"}},{"_index":"acqindex","_type":"autocomplete_questions","_id":"50efe5637d5cb0e49cef4bfb","_score":1.0,
"_source" :
{"_id":"50efe5637d5cb0e49cef4bfb","count":0.0,"ctype":"driving","en":true,"po":6.1923076923076925,"text":"durgapur
to hyderabad driving
directions","url":"/driving-direction-by-road-route-map/durgapur-to-hyderabad-driving-directions"}}]}}

This is really weird !!!

On Thu, Jan 30, 2014 at 6:48 PM, Mukul Gupta mukulnitkkr@gmail.com wrote:

I don't have any document for which po field is empty. I have checked my
mongo collections. Also, earlier it was taking value 1 for all the
documents that was the reason why _score was same for all the documents. Is
there anything wrong in my mapping field which is causing issue ? Please
help me.

On Thu, Jan 30, 2014 at 6:32 PM, Binh Ly binh@hibalo.com wrote:

That means you have some documents in your index that is missing the "po"
field. You should be able to run a query like this to find out:

{
"query": {
"filtered": {
"filter": {
"missing": {
"field": "po"
}
}
}
}
}

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5

That's strange. May I ask which version of ES are you using? Thanks.

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6

I'm using elasticsearch-0.90.3.

On Thu, Jan 30, 2014 at 7:14 PM, Binh Ly binh@hibalo.com wrote:

That's strange. May I ask which version of ES are you using? Thanks.

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7

Can anyone please tell me if this is a bug in Elasticsearch-0.90.3 ?
Elasticsearch is not able to read the value of a field from the doc. How is
it possible ?

On Thu, Jan 30, 2014 at 7:56 PM, Mukul Gupta mukulnitkkr@gmail.com wrote:

I'm using elasticsearch-0.90.3.

On Thu, Jan 30, 2014 at 7:14 PM, Binh Ly binh@hibalo.com wrote:

That's strange. May I ask which version of ES are you using? Thanks.

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8

Coder, I can duplicate your problem. I am trying to find out if this is a
bug, or it is by design and will get back to you shortly. Thanks.

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9

I think the apostrophe is your problem

It is not

String script = "doc['po'].value";

but

String script = "doc["po"].value";

For implementing best variant of document boost, you should upgrade
Elasticsearch to 1.0.0.RC1 (or 0.90.4+) and use function score query like
this

Jörg

On Thu, Jan 30, 2014 at 8:17 PM, Mukul Gupta mukulnitkkr@gmail.com wrote:

Can anyone please tell me if this is a bug in Elasticsearch-0.90.3 ?
Elasticsearch is not able to read the value of a field from the doc. How is
it possible ?

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