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perf: precompute mangas.sort_author for the author sort

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?sort=author used a correlated min(lower(a.name)) subquery as the ORDER BY
key, evaluated per filter-matching row before LIMIT. Materialize it into
mangas.sort_author (indexed by mangas_sort_author_idx), maintained by triggers
on manga_authors and backfilled in the migration, so the sort is a plain
indexed column read. Author names are immutable, so only join changes matter.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
MechaCat02
2026-07-11 14:29:26 +02:00
parent c11df3182c
commit 5b1ce581f3
6 changed files with 107 additions and 13 deletions
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2
backend/Cargo.toml
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@@ -1,6 +1,6 @@
[package]
name = "mangalord"
version = "0.124.23"
version = "0.124.24"
edition = "2021"
default-run = "mangalord"