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ambiguous reference to field _class (predicate following LIMIT) [DATACOUCH-580] #888

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spring-projects-issues opened this issue Jul 6, 2020 · 0 comments
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@spring-projects-issues spring-projects-issues commented Jul 6, 2020

Michael Reiche opened DATACOUCH-580 and commented

https://forums.couchbase.com/t/ambiguous-reference-to-field-class/26653 

shagunv
Hi,
I am using spring spring-boot-starter-data-couchbase-reactive version 2.3.1.RELEASE. there is an issue while using @Query inside a repository interface. i am getting Ambiguous reference to field _class error.

Below is the method which i have written
@Query("#

{#n1ql.selectEntity}

where #

{#n1ql.filter}

AND creation >= $1 ORDER BY creation DESC LIMIT $2 OFFSET $3")
Flux findAllByCreationGreaterThan(long creation, int limit, int offset);

Inside the detailed exception trace i found that it is generating the below query statement :
“statement”:“SELECT META(testbucket).id AS __id, META(testbucket).cas AS __cas, testbucket.* FROM testbucket where _class = \“com.testapp.web.model.UserOrder\” AND creation >= $1 ORDER BY creation DESC LIMIT $2 OFFSET $3 AND _class = \“com.testapp.web.model.UserOrder\””

_class is getting appended at the end of the statement as well.
If i don’t use @Query with order by and limit/offset it is working fine.

How can i solve this?
Is anything wrong in the query which i am writing.

I checked the forum but didn’t find anything related to this issue.
Please help me.

Thanks
 
https://forums.couchbase.com/t/ambiguous-reference-to-field-class/26653


Referenced from: pull request #246

Backported to: 4.0.2 (Neumann SR2)

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