setName('db:size')
->setDescription('Show disk usage of all Nextcloud database tables, ordered by size')
->addOption('json', null, InputOption::VALUE_NONE, 'Output in JSON format');
}
#[\Override]
protected function execute(InputInterface $input, OutputInterface $output): int {
$platform = $this->connection->getDatabasePlatform();
$asJson = $input->getOption('json');
if ($platform instanceof MySQLPlatform) {
$sql = '
SELECT table_name AS `table`,
ROUND((data_length + index_length) / 1024 / 1024, 2) AS total_mb,
ROUND(data_length / 1024 / 1024, 2) AS data_mb,
ROUND(index_length / 1024 / 1024, 2) AS index_mb,
table_rows AS rows,
IF(table_rows > 0, ROUND((data_length + index_length) / table_rows, 0), 0) AS avg_row_bytes
FROM information_schema.tables
WHERE table_schema = DATABASE()
ORDER BY (data_length + index_length) DESC
';
$headers = ['Table', 'Total (MB)', 'Data (MB)', 'Index (MB)', 'Rows', 'Avg Row (bytes)'];
$cols = ['table', 'total_mb', 'data_mb', 'index_mb', 'rows', 'avg_row_bytes'];
} elseif ($platform instanceof PostgreSQLPlatform) {
$sql = "
SELECT relname AS table,
ROUND(pg_total_relation_size(c.oid) / 1024.0 / 1024.0, 2) AS total_mb,
ROUND(pg_relation_size(c.oid) / 1024.0 / 1024.0, 2) AS data_mb,
ROUND(pg_indexes_size(c.oid) / 1024.0 / 1024.0, 2) AS index_mb,
c.reltuples::bigint AS rows,
CASE WHEN c.reltuples > 0 THEN ROUND(pg_total_relation_size(c.oid) / c.reltuples) ELSE 0 END AS avg_row_bytes
FROM pg_class c
JOIN pg_namespace n ON n.oid = c.relnamespace
WHERE c.relkind = 'r' AND n.nspname = 'public'
ORDER BY pg_total_relation_size(c.oid) DESC
";
$headers = ['Table', 'Total (MB)', 'Data (MB)', 'Index (MB)', 'Rows (est.)', 'Avg Row (bytes)'];
$cols = ['table', 'total_mb', 'data_mb', 'index_mb', 'rows', 'avg_row_bytes'];
} else {
$output->writeln('db:size is not supported for SQLite and Oracle.');
return Command::SUCCESS;
}
$rows = $this->connection->executeQuery($sql)->fetchAllAssociative();
if ($asJson) {
$output->writeln(json_encode($rows, JSON_PRETTY_PRINT));
return Command::SUCCESS;
}
$table = new Table($output);
$table->setHeaders($headers);
foreach ($rows as $row) {
$table->addRow(array_map(fn ($col) => $row[$col], $cols));
}
$table->render();
$totalMB = array_sum(array_column($rows, 'total_mb'));
$output->writeln(sprintf('Total database size: %.2f MB', $totalMB));
return Command::SUCCESS;
}
}