4 files changed, 15 insertions, 3 deletions
diff --git a/app/finders/issuable_finder.rb b/app/finders/issuable_finder.rb
index 1a69ec85d18..3e08c0ccd8f 100644
--- a/app/finders/issuable_finder.rb
+++ b/app/finders/issuable_finder.rb
@@ -18,6 +18,7 @@
 #     assignee_id: integer or 'None' or 'Any'
 #     assignee_username: string
 #     search: string
+#     in: 'title', 'description', or a string joining them with comma
 #     label_name: string
 #     sort: string
 #     non_archived: boolean
@@ -56,6 +57,7 @@ class IssuableFinder
       milestone_title
       my_reaction_emoji
       search
+      in
     ]
   end
 
@@ -408,7 +410,7 @@ class IssuableFinder
       items = klass.with(cte.to_arel).from(klass.table_name)
     end
 
-    items.full_search(search)
+    items.full_search(search, matched_columns: params[:in])
   end
   # rubocop: enable CodeReuse/ActiveRecord
 
diff --git a/app/finders/issues_finder.rb b/app/finders/issues_finder.rb
index 45e494725d7..a0504ca0879 100644
--- a/app/finders/issues_finder.rb
+++ b/app/finders/issues_finder.rb
@@ -14,6 +14,7 @@
 #     milestone_title: string
 #     assignee_id: integer
 #     search: string
+#     in: 'title', 'description', or a string joining them with comma
 #     label_name: string
 #     sort: string
 #     my_reaction_emoji: string
diff --git a/app/finders/merge_requests_finder.rb b/app/finders/merge_requests_finder.rb
index e190d5d90c9..b645011a3c5 100644
--- a/app/finders/merge_requests_finder.rb
+++ b/app/finders/merge_requests_finder.rb
@@ -15,6 +15,7 @@
 #     author_id: integer
 #     assignee_id: integer
 #     search: string
+#     in: 'title', 'description', or a string joining them with comma
 #     label_name: string
 #     sort: string
 #     non_archived: boolean
diff --git a/app/models/concerns/issuable.rb b/app/models/concerns/issuable.rb
index b1cf03551f6..0a77fbeba08 100644
--- a/app/models/concerns/issuable.rb
+++ b/app/models/concerns/issuable.rb
@@ -136,10 +136,18 @@ module Issuable
     # This method uses ILIKE on PostgreSQL and LIKE on MySQL.
     #
     # query - The search query as a String
+    # matched_columns - Modify the scope of the query. 'title', 'description' or joining them with a comma.
     #
     # Returns an ActiveRecord::Relation.
-    def full_search(query)
-      fuzzy_search(query, [:title, :description])
+    def full_search(query, matched_columns: 'title,description')
+      allowed_columns = [:title, :description]
+      matched_columns = matched_columns.to_s.split(',').map(&:to_sym)
+      matched_columns &= allowed_columns
+
+      # Matching title or description if the matched_columns did not contain any allowed columns.
+      matched_columns = [:title, :description] if matched_columns.empty?
+
+      fuzzy_search(query, matched_columns)
     end
 
     def sort_by_attribute(method, excluded_labels: [])