# frozen_string_literal: true

class DropNonPartitionedAuditEvents < ActiveRecord::Migration[6.0]
  include Gitlab::Database::MigrationHelpers
  include Gitlab::Database::PartitioningMigrationHelpers::TableManagementHelpers

  DOWNTIME = false

  def up
    drop_nonpartitioned_archive_table(:audit_events)
  end

  def down
    execute(<<~SQL)
      CREATE TABLE audit_events_archived (
        id integer NOT NULL,
        author_id integer NOT NULL,
        entity_id integer NOT NULL,
        entity_type character varying NOT NULL,
        details text,
        created_at timestamp without time zone,
        ip_address inet,
        author_name text,
        entity_path text,
        target_details text,
        target_type text,
        target_id bigint,
        CONSTRAINT check_492aaa021d CHECK ((char_length(entity_path) <= 5500)),
        CONSTRAINT check_82294106dd CHECK ((char_length(target_type) <= 255)),
        CONSTRAINT check_83ff8406e2 CHECK ((char_length(author_name) <= 255)),
        CONSTRAINT check_d493ec90b5 CHECK ((char_length(target_details) <= 5500))
      );

      ALTER TABLE ONLY audit_events_archived ADD CONSTRAINT audit_events_archived_pkey PRIMARY KEY (id);

      CREATE INDEX analytics_index_audit_events_on_created_at_and_author_id ON audit_events_archived USING btree (created_at, author_id);
      CREATE INDEX idx_audit_events_on_entity_id_desc_author_id_created_at ON audit_events_archived USING btree (entity_id, entity_type, id DESC, author_id, created_at);
    SQL

    with_lock_retries do
      create_trigger_to_sync_tables(:audit_events, :audit_events_archived, 'id')
    end
  end
end