From cc4f20b1307f5b308369ea20541df10e1e2a239c Mon Sep 17 00:00:00 2001
From: someone <nobody@nowhere>
Date: Sun, 15 Aug 2021 13:49:12 -0400
Subject: [PATCH] mix pleroma.database set_text_search_config now runs
 concurrently and infinitely

Backport of: https://git.pleroma.social/pleroma/pleroma/-/merge_requests/3514
---
 CHANGELOG.md                           | 3 +++
 docs/configuration/howto_search_cjk.md | 4 ++--
 lib/mix/tasks/pleroma/database.ex      | 8 ++++++--
 3 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index c54fa9498..dfb83abbd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## 2.4.1
 
+### Changed
+- Make `mix pleroma.database set_text_search_config` run concurrently and indefinitely
+
 ### Added
 - AdminAPI: Missing configuration description for StealEmojiPolicy
 
diff --git a/docs/configuration/howto_search_cjk.md b/docs/configuration/howto_search_cjk.md
index d3ce28077..a73b10db3 100644
--- a/docs/configuration/howto_search_cjk.md
+++ b/docs/configuration/howto_search_cjk.md
@@ -5,7 +5,7 @@ Pleroma's full text search feature is powered by PostgreSQL's native [text searc
 
 ## Setup and test the new search config
 
-In most cases, you would need an extension installed to support parsing CJK text. Here are a few extension you may choose from, or you are more than welcome to share additional ones you found working for you with the rest of Pleroma community.
+In most cases, you would need an extension installed to support parsing CJK text. Here are a few extensions you may choose from, or you are more than welcome to share additional ones you found working for you with the rest of Pleroma community.
 
  * [a generic n-gram parser](https://github.com/huangjimmy/pg_cjk_parser) supports Simplifed/Traditional Chinese, Japanese, and Korean
  * [a Korean parser](https://github.com/i0seph/textsearch_ko) based on mecab
@@ -34,7 +34,7 @@ Check output of the query, and see if it matches your expectation.
     mix pleroma.database set_text_search_config YOUR.CONFIG
     ```
 
-Note: index update may take a while.
+Note: index update may take a while, and it can be done while the instance is up and running, so you may restart db connection as soon as you see `Recreate index` in task output.
 
 ## Restart database connection
 Since some changes above will only apply with a new database connection, you will have to restart either Pleroma or PostgreSQL process, or use `pg_terminate_backend` SQL command without restarting either. 
diff --git a/lib/mix/tasks/pleroma/database.ex b/lib/mix/tasks/pleroma/database.ex
index 57f73d12b..a973beaa9 100644
--- a/lib/mix/tasks/pleroma/database.ex
+++ b/lib/mix/tasks/pleroma/database.ex
@@ -209,7 +209,9 @@ def run(["set_text_search_config", tsconfig]) do
           new.fts_content := to_tsvector(new.data->>'content');
           RETURN new;
           END
-          $$ LANGUAGE plpgsql"
+          $$ LANGUAGE plpgsql",
+          [],
+          timeout: :infinity
         )
 
         shell_info("Refresh RUM index")
@@ -219,7 +221,9 @@ def run(["set_text_search_config", tsconfig]) do
 
         Ecto.Adapters.SQL.query!(
           Pleroma.Repo,
-          "CREATE INDEX objects_fts ON objects USING gin(to_tsvector('#{tsconfig}', data->>'content')); "
+          "CREATE INDEX CONCURRENTLY objects_fts ON objects USING gin(to_tsvector('#{tsconfig}', data->>'content')); ",
+          [],
+          timeout: :infinity
         )
       end