initialize method
Initializes shared schema rows and caches their generated identifiers.
Implementation
Future<void> initialize(DatabaseSession session) async {
if (_schema != null) return;
final schemaFuture = _schemaFuture ??= _loadSchema(session);
try {
_schema = await schemaFuture;
} catch (_) {
if (identical(_schemaFuture, schemaFuture)) {
_schemaFuture = null;
}
rethrow;
}
}