🎨 Further improved automation polling performance

[EvanHahn]

no ref

When fetching automation steps to run, we try to lock up to 100 rows, then select any rows we've locked.

This improves the performance of that query by limiting it to our candidate rows. That means we'll only check 100 rows instead of the full database.

See also: #29476

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☁️ Nx Cloud last updated this comment at 2026-07-21 02:53:51 UTC

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ℹ️ Recent review info

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📥 Commits

Reviewing files that changed from the base of the PR and between bab7706 and db3e4b7.

📒 Files selected for processing (1)

• ghost/core/core/server/services/automations/database-automations-repository.ts

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Walkthrough

Updated fetchAndLockSteps so its final query returns only locked automation_run_steps rows whose IDs were included in the original candidate set.

🚥 Pre-merge checks | ✅ 4

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately summarizes the changeset's main goal: improving automation polling performance.
Description check	✅ Passed	The description is on-topic and explains the query lock optimization and its performance impact.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 74.54%. Comparing base (a71827a) to head (db3e4b7).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #29477      +/-   ##
==========================================
+ Coverage   74.50%   74.54%   +0.03%     
==========================================
  Files        1602     1602              
  Lines      140468   140469       +1     
  Branches    17058    17067       +9     
==========================================
+ Hits       104657   104713      +56     
+ Misses      34759    34738      -21     
+ Partials     1052     1018      -34     

Flag	Coverage Δ
e2e-tests	76.62% <100.00%> (+0.04%)	⬆️

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