[jira] [Updated] (IGNITE-13028) Spring Data integration doesn't introspect the fields of the key object

["Denis A. Magda (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IGNITE-13028?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Denis A. Magda updated IGNITE-13028:
------------------------------------
    Labels: newbie  (was: )

> Spring Data integration doesn't introspect the fields of the key object
> -----------------------------------------------------------------------
>
>                 Key: IGNITE-13028
>                 URL: https://issues.apache.org/jira/browse/IGNITE-13028
>             Project: Ignite
>          Issue Type: Improvement
>          Components: spring, springdata
>    Affects Versions: 2.8
>            Reporter: Denis A. Magda
>            Priority: Major
>              Labels: newbie
>             Fix For: 2.9
>
>
> Suppose you have key and value POJOs associated with Ignite caches/tables:
> * Key: https://github.com/GridGain-Demos/ignite-spring-data-demo/blob/master/src/main/java/org/gridgain/demo/springdata/model/CityKey.java
> * Value: https://github.com/GridGain-Demos/ignite-spring-data-demo/blob/master/src/main/java/org/gridgain/demo/springdata/model/City.java
> The key object includes a couple of fields ({code}id{code} and {code}countryCode{code}) that are not visible to the Spring's query-autogeneration feature. For instance, you have to use direct queries if want to get [all the cities with a specific value of {code}id{code} field|https://github.com/GridGain-Demos/ignite-spring-data-demo/blob/master/src/main/java/org/gridgain/demo/springdata/dao/CityRepository.java#L42]:
> {code:java}
> @Query("SELECT * FROM City WHERE id = ?")
> public Cache.Entry<CityKey, City> findById(int id);
> {code}
> If the query-autogeneration feature could introspect the metadata of the key, then you would not need to fall back to the direct queries and would add the following query to the repository:
> {code:java}
> public Cache.Entry<CityKey, City> findById(int id);
> {code}
> The same issue exists if a key is of a primitive type (Integer, String, etc.)
> To reproduce you can use this project:
> https://github.com/GridGain-Demos/ignite-spring-data-demo



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