debian-mirror-gitlab/db/post_migrate/20230214174335_prepare_async_index_web_hook_logs.rb
2023-04-23 21:23:45 +05:30

40 lines
1.3 KiB
Ruby

# frozen_string_literal: true
class PrepareAsyncIndexWebHookLogs < 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, 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