gitlab-org--gitlab-foss/changelogs/unreleased/merge-request-notes-performance.yml
Yorick Peterse c16b99a49c
Use a UNION ALL for getting merge request notes
In this particular case the use of UNION ALL leads to a better query
plan compared to using 1 big query that uses an OR statement to combine
different data sources.

See https://gitlab.com/gitlab-org/gitlab-ce/issues/38508 for more
information.
2017-10-02 15:31:59 +02:00

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YAML

---
title: Use a UNION ALL for getting merge request notes
merge_request:
author:
type: other