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fix(search): set gin_fuzzy_search_limit only for search queries

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The limit was a connection parameter, so it applied to every GIN index
scan, not only full-text search: recipient lookups and Oban job queries
could return incomplete, random results. Set it with SET LOCAL around
the search query only, configurable under Pleroma.Search.DatabaseSearch.

The default stays 500 for search: measured on a 74M-object database,
higher limits or none make searches for common words exceed the query
timeout. Remote fetches for URL queries run outside the transaction.

Based on Akkoma 811f0a468.

Co-authored-by: Oneric <oneric@oneric.stub>
This commit is contained in:
Lain Soykaf 2026-10-29 11:26:02 +04:00
commit fa8541309c
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6 changed files with 98 additions and 17 deletions
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config/config.exs
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@ -843,7 +843,7 @@ config :pleroma, :modules, runtime_dir: "instance/modules"
config :pleroma, configurable_from_database: false
config :pleroma, Pleroma.Repo,
parameters: [gin_fuzzy_search_limit: "500", jit: "off"],
parameters: [jit: "off"],
prepare: :unnamed
config :pleroma, :connections_pool,
@ -948,6 +948,8 @@ config :pleroma, Pleroma.Web.WebFinger, domain: nil, update_nickname_on_user_fet
config :pleroma, Pleroma.Search, module: Pleroma.Search.DatabaseSearch
config :pleroma, Pleroma.Search.DatabaseSearch, gin_fuzzy_search_limit: 500
config :pleroma, Pleroma.Search.Meilisearch,
url: "http://127.0.0.1:7700/",
private_key: nil,