1 files changed, 25 insertions, 0 deletions
diff --git a/db/post_migrate/20221006083240_prepare_partial_trigram_indexes_for_issues_attempt_2.rb b/db/post_migrate/20221006083240_prepare_partial_trigram_indexes_for_issues_attempt_2.rb
new file mode 100644
index 00000000000..6ca2ba222ae
--- /dev/null
+++ b/db/post_migrate/20221006083240_prepare_partial_trigram_indexes_for_issues_attempt_2.rb
@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+class PreparePartialTrigramIndexesForIssuesAttempt2 < Gitlab::Database::Migration[2.0]
+  TITLE_INDEX_NAME = 'index_issues_on_title_trigram_non_latin'
+  DESCRIPTION_INDEX_NAME = 'index_issues_on_description_trigram_non_latin'
+
+  def up
+    prepare_async_index :issues, :title,
+      name: TITLE_INDEX_NAME,
+      using: :gin, opclass: { description: :gin_trgm_ops },
+      where: "title NOT SIMILAR TO '[\\u0000-\\u02FF\\u1E00-\\u1EFF\\u2070-\\u218F]*' " \
+             "OR description NOT SIMILAR TO '[\\u0000-\\u02FF\\u1E00-\\u1EFF\\u2070-\\u218F]*'"
+
+    prepare_async_index :issues, :description,
+      name: DESCRIPTION_INDEX_NAME,
+      using: :gin, opclass: { description: :gin_trgm_ops },
+      where: "title NOT SIMILAR TO '[\\u0000-\\u02FF\\u1E00-\\u1EFF\\u2070-\\u218F]*' " \
+             "OR description NOT SIMILAR TO '[\\u0000-\\u02FF\\u1E00-\\u1EFF\\u2070-\\u218F]*'"
+  end
+
+  def down
+    unprepare_async_index_by_name :issues, DESCRIPTION_INDEX_NAME
+    unprepare_async_index_by_name :issues, TITLE_INDEX_NAME
+  end
+end