diff options
Diffstat (limited to 'db/post_migrate/20230124104310_prepare_web_hook_logs_id_created_at_async_index.rb')
-rw-r--r-- | db/post_migrate/20230124104310_prepare_web_hook_logs_id_created_at_async_index.rb | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/db/post_migrate/20230124104310_prepare_web_hook_logs_id_created_at_async_index.rb b/db/post_migrate/20230124104310_prepare_web_hook_logs_id_created_at_async_index.rb new file mode 100644 index 00000000000..ea087265c90 --- /dev/null +++ b/db/post_migrate/20230124104310_prepare_web_hook_logs_id_created_at_async_index.rb @@ -0,0 +1,43 @@ +# frozen_string_literal: true + +# See https://docs.gitlab.com/ee/development/migration_style_guide.html +# for more information on how to write migrations for GitLab. + +class PrepareWebHookLogsIdCreatedAtAsyncIndex < Gitlab::Database::Migration[2.1] + include Gitlab::Database::PartitioningMigrationHelpers + + disable_ddl_transaction! + + INDEX_NAME = 'index_web_hook_logs_on_web_hook_id_and_created_at' + + def up + # Since web_hook_logs is a partitioned table, we need to prepare the index + # for each partition individually. We can't use the `prepare_async_index` + # method directly because it will try to prepare the index for the whole + # table, which will fail. + + # In a future migration after this one, we will create the index on the + # parent table itself. + each_partition(:web_hook_logs) do |partition, partition_index_name| + prepare_async_index(partition.identifier, [:web_hook_id, :created_at], + name: partition_index_name) + end + end + + def down + each_partition(:web_hook_logs) do |partition, partition_index_name| + unprepare_async_index_by_name(partition.identifier, partition_index_name) + end + end + + private + + def each_partition(table_name) + partitioned_table = find_partitioned_table(table_name) + partitioned_table.postgres_partitions.order(:name).each do |partition| + partition_index_name = generated_index_name(partition.identifier, INDEX_NAME) + + yield partition, partition_index_name + end + end +end |