User defined Window Functions in DataFusion
Posted on: Sat 19 April 2025 by Aditya Singh Rathore, Andrew Lamb
Window functions are a powerful feature in SQL, allowing for complex analytical computations over a subset of data. However, efficiently implementing them, especially sliding windows, can be quite challenging. With Apache DataFusion's user-defined window functions, developers can easily take advantage of all the effort put into DataFusion's implementation.
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