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ESQL: Enable Lookup Join on Expression Tech Preview#134952

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julian-elastic merged 11 commits intoelastic:mainfrom
julian-elastic:expressionJoinTechPreview
Sep 23, 2025
Merged

ESQL: Enable Lookup Join on Expression Tech Preview#134952
julian-elastic merged 11 commits intoelastic:mainfrom
julian-elastic:expressionJoinTechPreview

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@julian-elastic julian-elastic commented Sep 17, 2025 •
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Enable Lookup Join on Expression Tech Preview

FROM index1
| LOOKUP JOIN lookup_index on left_field1 > right_field1 AND left_field2 <= right_field2
@elasticsearchmachine elasticsearchmachine added v9.2.0 needs:triage Requires assignment of a team area label labels Sep 17, 2025
@julian-elastic julian-elastic self-assigned this Sep 17, 2025
@julian-elastic julian-elastic added Team:Analytics Meta label for analytical engine team (ESQL/Aggs/Geo) :Analytics/ES|QL AKA ESQL >enhancement test-release Trigger CI checks against release build release highlight and removed needs:triage Requires assignment of a team area label labels Sep 17, 2025
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elasticsearchmachine commented Sep 17, 2025

Pinging @elastic/es-analytical-engine (Team:Analytics)
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elasticsearchmachine commented Sep 17, 2025

Hi @julian-elastic, I've created a changelog YAML for you. Note that since this PR is labelled release highlight, you need to update the changelog YAML to fill out the extended information sections.
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github-actions bot commented Sep 17, 2025 •
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🔍 Preview links for changed docs
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github-actions bot commented Sep 17, 2025

ℹ️ Important: Docs version tagging

👋 Thanks for updating the docs! Just a friendly reminder that our docs are now cumulative. This means all 9.x versions are documented on the same page and published off of the main branch, instead of creating separate pages for each minor version.

We use applies_to tags to mark version-specific features and changes.

Expand for a quick overview

When to use applies_to tags:

✅ At the page level to indicate which products/deployments the content applies to (mandatory)
✅ When features change state (e.g. preview, ga) in a specific version
✅ When availability differs across deployments and environments

What NOT to do:

❌ Don't remove or replace information that applies to an older version
❌ Don't add new information that applies to a specific version without an applies_to tag
❌ Don't forget that applies_to tags can be used at the page, section, and inline level

🤔 Need help?
leemthompo
leemthompo reviewed Sep 19, 2025
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Some minor suggestions docs wise, I'll let Alex give approval as there's code changes too
leemthompo
leemthompo reviewed Sep 19, 2025
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leemthompo commented Sep 19, 2025

@julian-elastic we need to update the syntax reference too:

https://github.com/elastic/elasticsearch/blob/main/docs/reference/query-languages/esql/_snippets/commands/layout/lookup-join.md
alex-spies
alex-spies approved these changes Sep 22, 2025
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@julian-elastic julian-elastic removed the test-release Trigger CI checks against release build label Sep 22, 2025
leemthompo
leemthompo approved these changes Sep 22, 2025
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Thanks @julian-elastic!
@julian-elastic julian-elastic merged commit 96a20d2 into elastic:main Sep 23, 2025
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szybia added a commit to szybia/elasticsearch that referenced this pull request Sep 23, 2025
@szybia
Merge remote-tracking branch 'upstream/main' into security-stats-with…
8dd801f 
…-dls

* upstream/main: (188 commits)
  XContent parsing for DocStats and ShardFieldStats (elastic#135016)
  ESQL: Fix multi cluster tests not working with @repeat (elastic#135208)
  ESQL: Enable Lookup Join on Expression Tech Preview (elastic#134952)
  Use gradleProperty instead of findProperty (elastic#135203)
  Update 133980.yaml
  Small fixes
  Adjust commit sizes to reflect change in TieredMergePolicy
  Update 133980.yaml
  Update docs/changelog/133980.yaml
  Use released lucene 10.3.0
  Update to Lucene 10.3.0 RC2
  Aggs: Fix test (elastic#134308)
  correct docs version
  Use last lucene 10.3 snapshot
  [Automated] Update Lucene snapshot to 10.4.0-snapshot-28bd476b1a1
  Update ValuesSourceReaderOperatorTests test condition for changes in lucene (elastic#133807)
  [Automated] Update Lucene snapshot to 10.3.0-snapshot-878a3db9c2d
  [Automated] Update Lucene snapshot to 10.3.0-snapshot-878a3db9c2d
  [Automated] Update Lucene snapshot to 10.3.0-snapshot-d664abb181a
  [Automated] Update Lucene snapshot to 10.3.0-snapshot-de669618c3c
  ...
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:Analytics/ES|QL AKA ESQL >enhancement release highlight Team:Analytics Meta label for analytical engine team (ESQL/Aggs/Geo) v9.2.0

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@julian-elastic @elasticsearchmachine @leemthompo @alex-spies