Thank you for your reply.
The _root_ field is defined as follows:
<fieldname="_root_"type="StrField"docValues="false"indexed="true"stored="false"/>
<fieldTypename="StrField"class="solr.StrField"sortMissingLast="true"docValues="true"/>
At 2022-06-12 00:05:00, "戴晓彬" <xiaobin_...@foxmail.com> wrote:
>check the managed-schema to see if the _root_ field is defined.
>
>> 2022年6月11日 23:58，slly <sll...@126.com> 写道：
>>
>> Hello everyone.
>> We recently upgraded the online version from Solr 7 to 8.11, we found a
>> very strange problem.
>>
>>
>> Before upgrade, we wrote a row of data, the id is uniqueKey.
>> id=1, name=alice, age=10
>> After upgrade, we write three rows of data and id=2 is repeated.
>> id=1, name=alice2, age=11
>> id=2, name=nick, age=30
>> id=2, name=nick2, age=31
>>
>>
>> We found NumFound=2 when querying with debugQuery=true&q=id:1, and
>> NumFound=1 when querying with debugQuery=true&q=id:3
>>
>>
>> For historical data, the default 'overwrite' is false?
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>>
>> Thanks.
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