Add index on web_hook_id to partitioned web_hook_logs

changelogs/unreleased/323676-add-index-on-web-hook-id-to-partitioned-web-hook-logs.yml

+---
+title: Add index on web_hook_id to partitioned web_hook_logs
+merge_request: 59266
+author:
+type: other

db/migrate/20210413123832_add_index_on_web_hook_id_to_partitioned_web_hook_log.rb

+# frozen_string_literal: true
+
+class AddIndexOnWebHookIdToPartitionedWebHookLog < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::PartitioningMigrationHelpers
+
+  DOWNTIME = false
+
+  WEB_HOOK_ID_INDEX_NAME = 'index_web_hook_logs_part_on_web_hook_id'
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_partitioned_index :web_hook_logs_part_0c5294f417,
+      :web_hook_id,
+      name: WEB_HOOK_ID_INDEX_NAME
+  end
+
+  def down
+    remove_concurrent_partitioned_index_by_name :web_hook_logs_part_0c5294f417, WEB_HOOK_ID_INDEX_NAME
+  end
+end

db/schema_migrations/20210413123832

+d166250305c2939bea8cc1970faf50d86776d32270a80a429cce668a97280aad
\ No newline at end of file

db/structure.sql

@@ -24258,6 +24258,8 @@ CREATE INDEX index_web_hook_logs_on_created_at_and_web_hook_id ON web_hook_logs
 
 CREATE INDEX index_web_hook_logs_on_web_hook_id ON web_hook_logs USING btree (web_hook_id);
 
+CREATE INDEX index_web_hook_logs_part_on_web_hook_id ON ONLY web_hook_logs_part_0c5294f417 USING btree (web_hook_id);
+
 CREATE INDEX index_web_hooks_on_group_id ON web_hooks USING btree (group_id) WHERE ((type)::text = 'GroupHook'::text);
 
 CREATE INDEX index_web_hooks_on_project_id ON web_hooks USING btree (project_id);