From d75e865d08e204b1d241fcac70af0175cc8d5348 Mon Sep 17 00:00:00 2001
From: Ko Nagase <nagase@georepublic.co.jp>
Date: Sat, 25 Feb 2023 06:13:29 +0000
Subject: Patch for 2023-02-25-issue-relation-filter

---
 app/models/issue_query.rb | 3 ++-
 test/unit/query_test.rb   | 8 ++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/app/models/issue_query.rb b/app/models/issue_query.rb
index eb7684cc2..9f541cc54 100644
--- a/app/models/issue_query.rb
+++ b/app/models/issue_query.rb
@@ -723,6 +723,7 @@ class IssueQuery < Query
       relation_type = relation_options[:reverse] || relation_type
       join_column, target_join_column = target_join_column, join_column
     end
+    ids = value.first.to_s.scan(/\d+/).map(&:to_i).uniq
     sql =
       case operator
       when "*", "!*"
@@ -739,7 +740,7 @@ class IssueQuery < Query
            " FROM #{IssueRelation.table_name}" \
              " WHERE #{IssueRelation.table_name}.relation_type =" \
                   " '#{self.class.connection.quote_string(relation_type)}'" \
-               " AND #{IssueRelation.table_name}.#{target_join_column} = #{value.first.to_i})"
+               " AND #{IssueRelation.table_name}.#{target_join_column} IN (#{ids.join(",")}))"
       when "=p", "=!p", "!p"
         op = (operator == "!p" ? 'NOT IN' : 'IN')
         comp = (operator == "=!p" ? '<>' : '=')
diff --git a/test/unit/query_test.rb b/test/unit/query_test.rb
index c2cbf6fee..b41aa507c 100644
--- a/test/unit/query_test.rb
+++ b/test/unit/query_test.rb
@@ -1337,9 +1337,17 @@ class QueryTest < ActiveSupport::TestCase
     query.filters = {"relates" => {:operator => '=', :values => ['2']}}
     assert_equal [1], find_issues_with_query(query).map(&:id).sort
 
+    query = IssueQuery.new(:name => '_')
+    query.filters = {"relates" => {:operator => '=', :values => ['1,2']}}
+    assert_equal [1, 2, 3], find_issues_with_query(query).map(&:id).sort
+
     query = IssueQuery.new(:name => '_')
     query.filters = {"relates" => {:operator => '!', :values => ['1']}}
     assert_equal Issue.where.not(:id => [2, 3]).order(:id).ids, find_issues_with_query(query).map(&:id).sort
+
+    query = IssueQuery.new(:name => '_')
+    query.filters = {"relates" => {:operator => '!', :values => ['1,2']}}
+    assert_equal Issue.where.not(:id => [1, 2, 3]).order(:id).ids, find_issues_with_query(query).map(&:id).sort
   end
 
   def test_filter_on_relations_with_any_issues_in_a_project
-- 
2.39.2