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# frozen_string_literal: true
class LimitNamespacesSyncTriggersToTraversalIdsUpdate < Gitlab::Database::Migration[2.0]
include Gitlab::Database::SchemaHelpers
enable_lock_retries!
TABLE_NAME = 'namespaces'
EVENT_TABLE_NAME = 'namespaces_sync_events'
FUNCTION_NAME = 'insert_namespaces_sync_event'
OLD_TRIGGER_ON_INSERT = 'trigger_namespaces_parent_id_on_insert'
OLD_TRIGGER_ON_UPDATE = 'trigger_namespaces_parent_id_on_update'
NEW_TRIGGER_ON_UPDATE = 'trigger_namespaces_traversal_ids_on_update'
def up
create_trigger(TABLE_NAME, NEW_TRIGGER_ON_UPDATE, FUNCTION_NAME, fires: 'AFTER UPDATE') do
<<~SQL
WHEN (OLD.traversal_ids IS DISTINCT FROM NEW.traversal_ids)
SQL
end
drop_trigger(TABLE_NAME, OLD_TRIGGER_ON_UPDATE)
drop_trigger(TABLE_NAME, OLD_TRIGGER_ON_INSERT)
end
# Revert both triggers to the version defined in db/migrate/20211011141242_create_namespaces_sync_trigger.rb
def down
create_trigger(TABLE_NAME, OLD_TRIGGER_ON_INSERT, FUNCTION_NAME, fires: 'AFTER INSERT')
create_trigger(TABLE_NAME, OLD_TRIGGER_ON_UPDATE, FUNCTION_NAME, fires: 'AFTER UPDATE') do
<<~SQL
WHEN (OLD.parent_id IS DISTINCT FROM NEW.parent_id)
SQL
end
drop_trigger(TABLE_NAME, NEW_TRIGGER_ON_UPDATE)
end
end
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