How about Optimistic Concurrency with _version_ set to negative value?
You could inject that extra value in URP chain if need be.
Regards,
Alex
On Wed, Nov 27, 2019, 5:41 PM Aaron Hoffer, <[email protected]> wrote:
> We want to prevent Solr from overwriting an existing document if document's
> ID already exists in the core.
>
> This unit test fails because the update/overwrite is permitted:
>
> public void testUpdateProhibited() {
> final Index index = baseInstance();
> indexRepository.save(index);
> Index index0 = indexRepository.findById(INDEX_ID).get();
> index0.setContents("AAA");
> indexRepository.save(index0);
> Index index1 = indexRepository.findById(INDEX_ID).get();
> assertThat(index, equalTo(index1));
> }
>
>
> The failure is:
> Expected: <Index(contents=AAA, id=a2d8464ed41b4766a888617ecbcac573, ...>
> but: was <Index(contents=Winterfell, id=a2d8464ed41b4766a888617ecbcac573,
> ...>
>
> What do I need to do prevent the second save from overwriting the existing
> document?
>
> I commented out the updateHandler in the solr config file, to no effect.
> We are using Spring Data with Solr 8.1.
> In the core's schema, id is defined as unique like this:
> <uniqueKey>id</uniqueKey>
>
