[jira] Commented: (SOLR-1690) JSONKeyValueTokenizerFactory -- JSON Tokenizer

["Hoss Man (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-1690?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12795729#action_12795729 ] 

Hoss Man commented on SOLR-1690:
--------------------------------

FWIW: I'm finding it hard to imagine use cases that this would be useful for ... so as a result i have no feedback/suggestions on the patch/usage.

> JSONKeyValueTokenizerFactory -- JSON Tokenizer
> ----------------------------------------------
>
>                 Key: SOLR-1690
>                 URL: https://issues.apache.org/jira/browse/SOLR-1690
>             Project: Solr
>          Issue Type: New Feature
>          Components: Schema and Analysis
>            Reporter: Ryan McKinley
>            Priority: Minor
>         Attachments: noggit-1.0-A1.jar, SOLR-1690-JSONKeyValueTokenizerFactory.patch
>
>
> Sometimes it is nice to group structured data into a single field.
> This (rough) patch, takes JSON input and indexes tokens based on the key values pairs in the json.
> {code:xml|title=schema.xml}
> <!-- JSON Field Type -->
>     <fieldtype name="json" class="solr.TextField" positionIncrementGap="100" omitNorms="true">
>       <analyzer type="index">
>         <tokenizer class="solr.JSONKeyValueTokenizerFactory" keepArray="true" hierarchicalKey="false"/>
>         <filter class="solr.TrimFilterFactory"/>
>         <filter class="solr.LowerCaseFilterFactory"/>
>       </analyzer>
>       <analyzer type="query">
>         <tokenizer class="solr.KeywordTokenizerFactory"/>
>         <filter class="solr.TrimFilterFactory" />
>         <filter class="solr.LowerCaseFilterFactory"/>
>       </analyzer>
>     </fieldtype>
> {code}
> Given text:
> {code}
>  { "hello": "world", "rank":5 }
> {code}
> indexed as two tokens:
> || term position | 	1 |	2 |
> || term text | 	hello:world	| rank:5 |
> || term type | 	word |	word |
> || source start,end | 	12,17	| 27,28 |

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