C#•3mo ago

Azure Table Client Query Filter not evaluating correctly

Hi everyone, I am building an app with Azure Functions written in .NET 8, and one part of the app is a cleanup function that deletes items older than 1 week, but when I query the table for items older than one week, it doesn't return anything, despite verifying that there are multiple entities in the table with timestamps older than a week, I have confirmed removing the filter returns all items, so there is something wrong with the expression itself, but I can't figure it out for the life of me. The snippet of code is as follows:

    DateTimeOffset oneWeekAgo = DateTimeOffset.UtcNow.AddDays(-7);

    string QueryFilter = $"Timestamp lt datetime'{oneWeekAgo:s}'";
    
    Pageable<item> queryResults = tableClient.Query<item>(filter: QueryFilter); // is currently returning nothing

    DateTimeOffset oneWeekAgo = DateTimeOffset.UtcNow.AddDays(-7);

    string QueryFilter = $"Timestamp lt datetime'{oneWeekAgo:s}'";
    
    Pageable<item> queryResults = tableClient.Query<item>(filter: QueryFilter); // is currently returning nothing

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Azure Table Client Query Filter not evaluating correctly