analyze method

Future<void> analyze(
  1. String tableName
)

Implementation

Future<void> analyze(String tableName) async {
  final table = tables[tableName];
  if (table == null) throw Exception('Table "$tableName" not found');

  final rows    = await table.scan();
  final rowMaps = rows.map((r) => r.toJson()).toList();
  final ts      = StatisticsCollector.collect(tableName, rowMaps);
  statsRegistry.update(ts);

  await StatsPersistence.save(statsRegistry, '$dir/stats.json', vfs: vfs);
  print('[NebulaDB] ANALYZE $tableName: ${ts.rowCount} rows');
}