Maximizing Dynamics 365 Data Retrieval: Dynamic Execution of Lengthy FetchXML Queries without $batch

Power Pages is a feature in Microsoft Dynamics 365 that allows you to create dynamic web pages using FetchXML queries. FetchXML is a query language used in Dynamics 365 to retrieve data from the system.

By default, FetchXML queries have a limit on the number of records they can return, which is typically set to 5,000 records. If you have a FetchXML query that exceeds this limit, you can use the $batch request to retrieve the data in batches. However, you mentioned that you want to execute a long FetchXML query without using $batch.

To achieve this, you can implement a custom solution using paging and continuation tokens. Here's a high-level approach you can follow:

Execute the initial FetchXML query with the page size set to a reasonable value, such as 500 records. This will fetch the first page of data.
Process the retrieved data as needed.
Check if the FetchXML result contains a continuation token. A continuation token is returned when there are more records available that couldn't be fetched in the initial query.
If a continuation token is present, execute another FetchXML query, passing the continuation token as a parameter to retrieve the next page of data.
Repeat steps 2-4 until all the data has been fetched.

By implementing this approach, you can dynamically execute long FetchXML queries without using the $batch request. It allows you to retrieve data in manageable chunks and process it incrementally, minimizing the impact on system resources.

Keep in mind that this solution requires custom development using the appropriate programming language and the Dynamics 365 API or SDK. The specific implementation details may vary depending on your programming language and platform of choice.

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