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From "Vincenzo D'Amore (Jira)" <j...@apache.org>
Subject [jira] [Comment Edited] (SOLR-13863) payload query function support for string encoded payloads (delimited_payloads_string)
Date Wed, 27 Nov 2019 14:30:01 GMT

    [ https://issues.apache.org/jira/browse/SOLR-13863?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16983558#comment-16983558
] 

Vincenzo D'Amore edited comment on SOLR-13863 at 11/27/19 2:29 PM:
-------------------------------------------------------------------

Hi [~mkhl], sorry not sure I got what you have written.

Few lines just to resume why I'm here with this implementation: in first instance I wrote
a new function "spayload" dedicated to delimited_payloads_string. After first pull request [996|https://github.com/apache/lucene-solr/pull/996]
I was asked by [~ehatcher] to add into the payload query function this behavior, i.e. support
for string encoded payloads (delimited_payloads_string). 

Reading again the suggestion left by Erik  in the first pull request, to identify the field
type he recommended to use

{{PayloadUtils.getPayloadEncoder(fieldType) }}

 instead of 

{{fieldType.getTypeName().equals("delimited_payloads_string")}}

The getPayloadEncoder function returns the String "identity" for the delimited_payloads_string.

Is this enough generic? If i misunderstood your comment, could you please help me with a more
detailed comment?

Thanks, Vincenzo

 


was (Author: v.damore@gmail.com):
Hi [~mkhl], sorry not sure I got what you have written.

Just to resume why I'm here with this implementation, in first instance I wrote a new function
"spayload" dedicated to delimited_payloads_string. After first pull request [996|https://github.com/apache/lucene-solr/pull/996]
I was asked by [~ehatcher] to add into the payload query function this behavior, i.e. support
for string encoded payloads (delimited_payloads_string). 

Reading again the suggestion left by Erik  in the first pull request, to identify the field
type he recommended to use

{{PayloadUtils.getPayloadEncoder(fieldType) }}

 instead of 

{{fieldType.getTypeName().equals("delimited_payloads_string")}}

The getPayloadEncoder function returns the String "identity" for the delimited_payloads_string.

Is this enough generic? If i misunderstood your comment, could you please help me with a more
detailed comment?

Thanks, Vincenzo

 

> payload query function support for string encoded payloads (delimited_payloads_string)
> --------------------------------------------------------------------------------------
>
>                 Key: SOLR-13863
>                 URL: https://issues.apache.org/jira/browse/SOLR-13863
>             Project: Solr
>          Issue Type: New Feature
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: query parsers, search, SearchComponents - other
>            Reporter: Vincenzo D'Amore
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 1h 10m
>  Remaining Estimate: 0h
>
> I have the per-store pricing problem but payload function handles only numbers.
> Stores can also be in different countries, for example would be useful having with the
price also the currency and other attributes related to the store.
> We could have add support for string encoded payloads fixing function query named *payload*.
> Example document:
> {
>  {{  "id":"my sample doc",}}
>  {{  "currencyPayload":[}}
>  {{    "store1|EUR",}}
>  {{    "store1|USD",}}
>  {{    "store3|GBP"}}
>  {{  ]}}
>  }
> Querying Solr with
> {{fl=payload(currencyPayload,store3)}}
> would generate a response like the following:
> {
>  {{  "response": {}}
>  {{      "docs":[}}{
>  {{         "id":"my sample doc", }}
>  {{         "payload(currencyPayload,store3)":"GBP"}}
>  {{      }]}}
>     }
>  {{}}}
> And executing `payload(payloadCurrency,store2)` returns `EUR`, and so on.
> You can use `payload` even as sorting function.
> {{sort=payload(payloadField,value) asc}}
>  



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