**Describe the bug**
`sync` here is a pointer to a global `sync` function implicitly converted to a bool:

https://github.com/ClickHouse/ClickHouse/blob/624ccd5206a7be7c8a56f2f7590e13d57a074008/src/Databases/DatabaseReplicated.cpp#L797

**How to reproduce**
compile `master` or `v22.8.4.7-lts` with warnings enabled

**Error message and/or stacktrace**


const String & table_metadata_tmp_path, const String & table_metadata_path,
                                          const String & statement, ContextPtr query_context)
{
    auto txn = query_context->getZooKeeperMetadataTransaction();
    assert(!ddl_worker->isCurrentlyActive() || txn);
    if (txn && txn->isInitialQuery())
    {
        String metadata_zk_path = zookeeper_path + "/metadata/" + escapeForFileName(table_id.table_name);
        txn->addOp(zkutil::makeSetRequest(metadata_zk_path, statement, -1));
    }
    std::lock_guard lock{metadata_mutex};
    UInt64 new_digest = tables_metadata_digest;
    new_digest -= getMetadataHash(table_id.table_name);
    new_digest += DB::getMetadataHash(table_id.table_name, statement);
    if (txn)
        txn->addOp(zkutil::makeSetRequest(replica_path + "/digest", toString(new_digest), -1));
    DatabaseAtomic::commitAlterTable(table_id, table_metadata_tmp_path, table_metadata_path, statement, query_context);
    tables_metadata_digest = new_digest;
    assert(checkDigestValid(query_context));
}
void DatabaseReplicated::detachTablePermanently(ContextPtr local_context, const String & table_name)