1 files changed, 19 insertions, 0 deletions
diff --git a/db/post_migrate/20220915192521_prepare_async_trigram_index_for_vulnerability_reads_container_images.rb b/db/post_migrate/20220915192521_prepare_async_trigram_index_for_vulnerability_reads_container_images.rb
new file mode 100644
index 00000000000..18ed1b2cd2b
--- /dev/null
+++ b/db/post_migrate/20220915192521_prepare_async_trigram_index_for_vulnerability_reads_container_images.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+class PrepareAsyncTrigramIndexForVulnerabilityReadsContainerImages < Gitlab::Database::Migration[2.0]
+  disable_ddl_transaction!
+
+  INDEX_NAME = 'index_vulnerability_reads_on_location_image_trigram'
+  REPORT_TYPES = { container_scanning: 2, cluster_image_scanning: 7 }.freeze
+
+  def up
+    prepare_async_index :vulnerability_reads, :location_image,
+      name: INDEX_NAME,
+      using: :gin, opclass: { location_image: :gin_trgm_ops },
+      where: "report_type = ANY (ARRAY[#{REPORT_TYPES.values.join(', ')}]) AND location_image IS NOT NULL"
+  end
+
+  def down
+    unprepare_async_index :vulnerability_reads, :location_image, name: INDEX_NAME
+  end
+end