private async Task ExecuteQueryExpr(QueryExpr expr)
{
var key = new ORSetKey <string>(expr.Key);
try
{
var reply = await ddata.GetAsync(key, readConsistency);
Console.WriteLine($"GET '{key}': {reply?.ToString() ?? "null" }");
}
catch (Exception e)
{
Console.WriteLine($"Couldn't receive GET for {key}: {e}");
}
}