RE: Re: Inconsistent query results in Lucene 8.1.0

Hello, I'm Nicholas with Basis Technology. We have done more work investigating the bug we listed previously in March 2020, LUCENE-9269 . We have verified that this bug is present in two different versions of Lucene: 8.11.1 and 9.0.0. Given that

Re: Inconsistent query results in Lucene 8.1.0

Thanks for digging this issue Michele. On Tue, Mar 10, 2020 at 5:04 PM Michele Palmia wrote: > Fiona - I opened a ticket > for this. You can > find some recommendations there that might help you fix your issue. > -- Adrien

Re: Inconsistent query results in Lucene 8.1.0

Fiona - I opened a ticket for this. You can find some recommendations there that might help you fix your issue.

Re: Inconsistent query results in Lucene 8.1.0

directory w-2 • agency w-2directory • agencyw-2 directory • w-2 • w2 • > agency directory • agency • directory • -2 agency directory • 2 agency > directory • w-2agency directory • w2agency directory > > > > > > *From:* Michele Palmia > *Sent:* Friday, March 6, 2020 9:50 AM > *

RE: Inconsistent query results in Lucene 8.1.0

directory • 2 agency directory • w-2agency directory • w2agency directory From: Michele Palmia Sent: Friday, March 6, 2020 9:50 AM To: dev@lucene.apache.org Subject: Re: Inconsistent query results in Lucene 8.1.0 Hi all, I looked into this today. I can reproduce it and I believe it's a bug

Re: Inconsistent query results in Lucene 8.1.0

> the two Blended queries get rewritten as Boolean queries themselves, with > each (modified) TermQuery as a SHOULD clause > the nested Boolean queries get flattened, since they are nested disjunctions > the Term queries (some of which are actually Boost queries) are deduplicated, > with one of

Re: Inconsistent query results in Lucene 8.1.0

So - I think you should open an issue. Can you determine whether flattening on its own would result in a bug? If not, then perhaps focus on the merging (deduplication) and whether it properly respects boosting? On Fri, Mar 6, 2020 at 10:50 AM Michele Palmia wrote: > > Hi all, > > I looked into

Re: Inconsistent query results in Lucene 8.1.0

Hi all, I looked into this today. I can reproduce it and I believe it's a bug. This is caused by the following working together: - LUCENE-7386 Flatten nested disjunctions - LUCENE-7925

Inconsistent query results in Lucene 8.1.0

Hello, I’m Fiona with Basis Technology. We’re investigating what we believe to be a bug involving inconsistent query results. We have binary searched this issue and found that it specifically appears when flattening nested disjunctions was introduced with the merge of LUCENE-7386