How (not) to break Power BI Query folding by changing data types!
Changing data types is one of the most common transformations in Power Query/Power BI. Learn how one subtle difference can (not) prevent the query from folding, and consequentially have a huge impact on your Power BI report performance!
Blog post: https://data-mozart.com/query-folding...
Blog post 2: https://data-mozart.com/query-folding...