Rewrite DocValuesFieldExistsQuery to a MatchAllDocsQuery when docCount == maxDoc [LUCENE-10084]

[asfimport]

Now that we require all documents to use the same features (#10374) we could rewrite DocValuesFieldExistsQuery to a MatchAllDocsQuery whenever terms or points have a docCount that is equal to maxDoc.

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Migrated from LUCENE-10084 by Adrien Grand (@jpountz), resolved Feb 17 2022
Pull requests: #677

[asfimport]

Vigya Sharma (@vigyasharma) (migrated from JIRA)

I would like to work on this.

[asfimport]

Adrien Grand (@jpountz) (migrated from JIRA)

Please feel free to give it a try!

[asfimport]

Vigya Sharma (@vigyasharma) (migrated from JIRA)

Hi @jpountz, I gave this a try - #677. Is this what you had in mind?

[asfimport]

ASF subversion and git services (migrated from JIRA)

Commit c132bbf in lucene's branch refs/heads/main from Vigya Sharma
https://gitbox.apache.org/repos/asf?p=lucene.git;h=c132bbf

LUCENE-10084: Rewrite DocValuesFieldExistsQuery to MatchAllDocsQuery when all docs have the field (#677)

Since all documents are required to use the same features (#10374) we can
rewrite DocValuesFieldExistsQuery to a MatchAllDocsQuery whenever terms or
points have a docCount that is equal to maxDoc.

[asfimport]

ASF subversion and git services (migrated from JIRA)

Commit a9532f3 in lucene's branch refs/heads/branch_9x from Vigya Sharma
https://gitbox.apache.org/repos/asf?p=lucene.git;h=a9532f3

LUCENE-10084: Rewrite DocValuesFieldExistsQuery to MatchAllDocsQuery when all docs have the field (#677)

Since all documents are required to use the same features (#10374) we can
rewrite DocValuesFieldExistsQuery to a MatchAllDocsQuery whenever terms or
points have a docCount that is equal to maxDoc.

[asfimport]

Adrien Grand (@jpountz) (migrated from JIRA)

Closing after the 9.1.0 release.