Merge branch '422835-async-index-creation2' into 'master'

Prepare async index for p_ci_builds.upstream_pipeline_id and commit_id

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/142763



Merged-by: Marius Bobin <mbobin@gitlab.com>
Approved-by: Vitali Tatarintev <vtatarintev@gitlab.com>
Approved-by: Marius Bobin <mbobin@gitlab.com>
Reviewed-by: Vitali Tatarintev <vtatarintev@gitlab.com>
Reviewed-by: Tianwen Chen <tchen@gitlab.com>
Co-authored-by: Tianwen Chen <tchen@gitlab.com>

db/post_migrate/20240131000657_prepare_async_index_for_p_ci_builds_part2.rb

+# frozen_string_literal: true
+
+class PrepareAsyncIndexForPCiBuildsPart2 < Gitlab::Database::Migration[2.2]
+  include Gitlab::Database::PartitioningMigrationHelpers
+
+  milestone '16.9'
+  disable_ddl_transaction!
+
+  INDEXES = [
+    [[:upstream_pipeline_id_convert_to_bigint], "p_ci_builds_upstream_pipeline_id_bigint_idx",
+      { where: 'upstream_pipeline_id_convert_to_bigint IS NOT NULL' }],
+    [[:commit_id_convert_to_bigint, :type, :ref], "p_ci_builds_commit_id_bigint_type_ref_idx", {}],
+    [[:commit_id_convert_to_bigint, :artifacts_expire_at, :id],
+      "p_ci_builds_commit_id_bigint_artifacts_expire_at_id_idx", {
+        where: "type::text = 'Ci::Build'::text AND (retried = false OR retried IS NULL) AND (name::text = ANY (ARRAY['sast'::character varying::text, 'secret_detection'::character varying::text, 'dependency_scanning'::character varying::text, 'container_scanning'::character varying::text, 'dast'::character varying::text]))" # rubocop:disable Layout/LineLength -- Where clause is just too long.
+      }]
+  ]
+  TABLE_NAME = :p_ci_builds
+
+  def up
+    Gitlab::Database::PostgresPartitionedTable.each_partition(TABLE_NAME) do |partition|
+      INDEXES.each do |columns, routing_table_index_name, options|
+        index_name = generated_index_name(partition.identifier, routing_table_index_name)
+        prepare_async_index partition.identifier, columns, name: index_name, **options
+      end
+    end
+  end
+
+  def down
+    Gitlab::Database::PostgresPartitionedTable.each_partition(TABLE_NAME) do |partition|
+      INDEXES.each do |columns, routing_table_index_name, options|
+        index_name = generated_index_name(partition.identifier, routing_table_index_name)
+        unprepare_async_index partition.identifier, columns, name: index_name, **options
+      end
+    end
+  end
+end

db/schema_migrations/20240131000657

+8962d0826a8941a8fa2eb82d6674999f185041a91f623cd9284dfe98e8437055
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