diff --git a/app/logical/concerns/searchable.rb b/app/logical/concerns/searchable.rb
index 27fe0cf1f..33ff16b1a 100644
--- a/app/logical/concerns/searchable.rb
+++ b/app/logical/concerns/searchable.rb
@@ -191,11 +191,9 @@ module Searchable
   # https://www.postgresql.org/docs/current/textsearch-controls.html#TEXTSEARCH-PARSING-DOCUMENTS
   # https://www.postgresql.org/docs/current/textsearch-controls.html#TEXTSEARCH-PARSING-QUERIES
   def where_tsvector_matches(columns, query)
-    tsvectors = Array.wrap(columns).map do |column|
-      to_tsvector("pg_catalog.english", arel_table[column])
-    end.reduce(:concat)
-
-    where("(#{tsvectors.to_sql}) @@ websearch_to_tsquery('pg_catalog.english', :query)", query: query)
+    Array.wrap(columns).map do |column|
+      where("(#{to_tsvector('english', arel_table[column]).to_sql}) @@ websearch_to_tsquery('pg_catalog.english', :query)", query: query)
+    end.reduce(:or)
   end
 
   # value: "5", ">5", "<5", ">=5", "<=5", "5..10", "5,6,7"
diff --git a/db/migrate/20221010035855_add_indexes_to_artist_commentaries.rb b/db/migrate/20221010035855_add_indexes_to_artist_commentaries.rb
new file mode 100644
index 000000000..4256ebb90
--- /dev/null
+++ b/db/migrate/20221010035855_add_indexes_to_artist_commentaries.rb
@@ -0,0 +1,22 @@
+class AddIndexesToArtistCommentaries < ActiveRecord::Migration[7.0]
+  disable_ddl_transaction!
+
+  def change
+    add_index :artist_commentaries, "to_tsvector('english', original_title)", using: :gin, name: "index_artist_commentaries_on_to_tsvector_original_title", algorithm: :concurrently
+    add_index :artist_commentaries, "to_tsvector('english', original_description)", using: :gin, name: "index_artist_commentaries_on_to_tsvector_original_description", algorithm: :concurrently
+    add_index :artist_commentaries, "to_tsvector('english', translated_title)", using: :gin, name: "index_artist_commentaries_on_to_tsvector_translated_title", algorithm: :concurrently
+    add_index :artist_commentaries, "to_tsvector('english', translated_description)", using: :gin, name: "index_artist_commentaries_on_to_tsvector_translated_description", algorithm: :concurrently
+    add_index :artist_commentaries, :created_at
+
+    add_index :artist_commentary_versions, "to_tsvector('english', original_title)", using: :gin, name: "index_artist_commentary_versions_on_original_title", algorithm: :concurrently
+    add_index :artist_commentary_versions, "to_tsvector('english', original_description)", using: :gin, name: "index_artist_commentary_versions_on_original_description", algorithm: :concurrently
+    add_index :artist_commentary_versions, "to_tsvector('english', translated_title)", using: :gin, name: "index_artist_commentary_versions_on_translated_title", algorithm: :concurrently
+    add_index :artist_commentary_versions, "to_tsvector('english', translated_description)", using: :gin, name: "index_artist_commentary_versions_on_translated_description", algorithm: :concurrently
+
+    add_index :dmails, "to_tsvector('english', title)", using: :gin, algorithm: :concurrently
+    add_index :dmails, "to_tsvector('english', body)", using: :gin, algorithm: :concurrently
+
+    add_index :wiki_pages, "to_tsvector('english', title)", using: :gin, algorithm: :concurrently
+    add_index :wiki_pages, "to_tsvector('english', body)", using: :gin, algorithm: :concurrently
+  end
+end
diff --git a/db/structure.sql b/db/structure.sql
index 569ec991c..9d5dd063c 100644
--- a/db/structure.sql
+++ b/db/structure.sql
@@ -3448,6 +3448,13 @@ CREATE UNIQUE INDEX index_api_keys_on_key ON public.api_keys USING btree (key);
 CREATE INDEX index_api_keys_on_user_id ON public.api_keys USING btree (user_id);
 
 
+--
+-- Name: index_artist_commentaries_on_created_at; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE INDEX index_artist_commentaries_on_created_at ON public.artist_commentaries USING btree (created_at);
+
+
 --
 -- Name: index_artist_commentaries_on_post_id; Type: INDEX; Schema: public; Owner: -
 --
@@ -3455,6 +3462,34 @@ CREATE INDEX index_api_keys_on_user_id ON public.api_keys USING btree (user_id);
 CREATE UNIQUE INDEX index_artist_commentaries_on_post_id ON public.artist_commentaries USING btree (post_id);
 
 
+--
+-- Name: index_artist_commentaries_on_to_tsvector_original_description; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE INDEX index_artist_commentaries_on_to_tsvector_original_description ON public.artist_commentaries USING gin (to_tsvector('english'::regconfig, original_description));
+
+
+--
+-- Name: index_artist_commentaries_on_to_tsvector_original_title; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE INDEX index_artist_commentaries_on_to_tsvector_original_title ON public.artist_commentaries USING gin (to_tsvector('english'::regconfig, original_title));
+
+
+--
+-- Name: index_artist_commentaries_on_to_tsvector_translated_description; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE INDEX index_artist_commentaries_on_to_tsvector_translated_description ON public.artist_commentaries USING gin (to_tsvector('english'::regconfig, translated_description));
+
+
+--
+-- Name: index_artist_commentaries_on_to_tsvector_translated_title; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE INDEX index_artist_commentaries_on_to_tsvector_translated_title ON public.artist_commentaries USING gin (to_tsvector('english'::regconfig, translated_title));
+
+
 --
 -- Name: index_artist_commentary_versions_on_created_at; Type: INDEX; Schema: public; Owner: -
 --
@@ -3462,6 +3497,20 @@ CREATE UNIQUE INDEX index_artist_commentaries_on_post_id ON public.artist_commen
 CREATE INDEX index_artist_commentary_versions_on_created_at ON public.artist_commentary_versions USING btree (created_at);
 
 
+--
+-- Name: index_artist_commentary_versions_on_original_description; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE INDEX index_artist_commentary_versions_on_original_description ON public.artist_commentary_versions USING gin (to_tsvector('english'::regconfig, original_description));
+
+
+--
+-- Name: index_artist_commentary_versions_on_original_title; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE INDEX index_artist_commentary_versions_on_original_title ON public.artist_commentary_versions USING gin (to_tsvector('english'::regconfig, original_title));
+
+
 --
 -- Name: index_artist_commentary_versions_on_post_id; Type: INDEX; Schema: public; Owner: -
 --
@@ -3469,6 +3518,20 @@ CREATE INDEX index_artist_commentary_versions_on_created_at ON public.artist_com
 CREATE INDEX index_artist_commentary_versions_on_post_id ON public.artist_commentary_versions USING btree (post_id);
 
 
+--
+-- Name: index_artist_commentary_versions_on_translated_description; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE INDEX index_artist_commentary_versions_on_translated_description ON public.artist_commentary_versions USING gin (to_tsvector('english'::regconfig, translated_description));
+
+
+--
+-- Name: index_artist_commentary_versions_on_translated_title; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE INDEX index_artist_commentary_versions_on_translated_title ON public.artist_commentary_versions USING gin (to_tsvector('english'::regconfig, translated_title));
+
+
 --
 -- Name: index_artist_commentary_versions_on_updater_id_and_created_at; Type: INDEX; Schema: public; Owner: -
 --
@@ -3833,6 +3896,20 @@ CREATE INDEX index_dmails_on_owner_id ON public.dmails USING btree (owner_id);
 CREATE INDEX index_dmails_on_title_and_body_tsvector ON public.dmails USING gin (((to_tsvector('english'::regconfig, title) || to_tsvector('english'::regconfig, body))));
 
 
+--
+-- Name: index_dmails_on_to_tsvector_english_body; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE INDEX index_dmails_on_to_tsvector_english_body ON public.dmails USING gin (to_tsvector('english'::regconfig, body));
+
+
+--
+-- Name: index_dmails_on_to_tsvector_english_title; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE INDEX index_dmails_on_to_tsvector_english_title ON public.dmails USING gin (to_tsvector('english'::regconfig, title));
+
+
 --
 -- Name: index_dtext_links_on_link_target; Type: INDEX; Schema: public; Owner: -
 --
@@ -5759,6 +5836,20 @@ CREATE INDEX index_wiki_pages_on_title_and_body_tsvector ON public.wiki_pages US
 CREATE INDEX index_wiki_pages_on_title_pattern ON public.wiki_pages USING btree (title text_pattern_ops);
 
 
+--
+-- Name: index_wiki_pages_on_to_tsvector_english_body; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE INDEX index_wiki_pages_on_to_tsvector_english_body ON public.wiki_pages USING gin (to_tsvector('english'::regconfig, body));
+
+
+--
+-- Name: index_wiki_pages_on_to_tsvector_english_title; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE INDEX index_wiki_pages_on_to_tsvector_english_title ON public.wiki_pages USING gin (to_tsvector('english'::regconfig, (title)::text));
+
+
 --
 -- Name: index_wiki_pages_on_updated_at; Type: INDEX; Schema: public; Owner: -
 --
@@ -6785,6 +6876,7 @@ INSERT INTO "schema_migrations" (version) VALUES
 ('20220924092056'),
 ('20220925045236'),
 ('20220926050108'),
-('20221003080342');
+('20221003080342'),
+('20221010035855');