Many Power Query function not only return their values as advertised in their function documentation, but on top of that a metadata record. This record is like tag that holds (…) Read more
Posts in Category ‘Power BI’
Transform a query into a function in Power Query and Power BI
In my previous blogpost I’ve described a method how to extract a substring that follows a certain pattern from a string. In this post I show how to transform a (…) Read more
Extract pattern string and numbers from text using List.Accumulate in Power Query
A typical task when cleaning data is to extract substrings from string that follow a certain pattern. In this post I’m going to describe a method that uses the List.Accumulate (…) Read more
Performance tip to speed up slow pivot operations in Power Query and Power BI
Pivot operations in are a very handy feature in Power Query but they can slow down refresh performance. So with some bittersweet pleasure I can tell that I found a (…) Read more
How not to miss the last page when paging with Power BI and Power Query
When you use an API with a paging mechanism (like the example from this blogpost), you’ll might work with a field that contains the address for the next page. You (…) Read more
Automatically detect and change the types of all columns at once in Power Query
Today I want to share quick tip on how to automatically detect and change all column types at once in Power Query. Background Very often, when you expand a column (…) Read more