/// <inheritdoc />
public async ValueTask <String?> Test(ISqlTransaction transaction, CancellationToken cancellationToken)
{
var sql =
@"select jsonb_agg(jsonb_build_object('timestamp', timestamp, 'content', content))
from posts
where author is null" ;
return(await transaction.QueryFirstRowOrDefault <String?>(sql, cancellationToken));
}
