#pragma once #include namespace DB { /// Load tables from system database. Only real tables like query_log, part_log. /// You should first load system database, then attach system tables that you need into it, then load other databases. void loadMetadataSystem(ContextPtr context); /// Load tables from databases and add them to context. Database 'system' is ignored. Use separate function to load system tables. void loadMetadata(ContextPtr context, const String & default_database_name = {}); }