Merge branch '373455-redo-async-index-for-default-branch-image' into 'master'

Recreate async index for vulnerability reads location image

See merge request !103016



Merged-by: Adam Hegyi <ahegyi@gitlab.com>
Approved-by: Dmitry Gruzd <dgruzd@gitlab.com>
Approved-by: Adam Hegyi <ahegyi@gitlab.com>
Co-authored-by: Alan (Maciej) Paruszewski <mparuszewski@gitlab.com>

db/post_migrate/20221104100203_recreate_async_trigram_index_for_vulnerability_reads_container_images.rb

+# frozen_string_literal: true
+
+class RecreateAsyncTrigramIndexForVulnerabilityReadsContainerImages < 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
+    remove_concurrent_index_by_name :vulnerability_reads, INDEX_NAME
+
+    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

db/schema_migrations/20221104100203

+1d7912409bb5afc7de82b7507fb2aeb164253c70a58eaf88d502513577bad979
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