Power query functions

The reference articles you see here on docs. A function is written by first naming the function parameters, and then providing an expression to compute the result of the function. I wouldn’t recommend memorizing them, but you do need to understand the concept of parameters and arguments in order to understand what functions are.

Round: Returns a nullable number (n) if value is an integer. RoundAwayFromZero: Returns Number. RoundUp(value) when value = and Number. ToColumns: Returns a list of nested lists each representing a column of values in the input table.

ToList: Returns a table into a list by applying the specified combining function to each row of values in a table. Insert: Returns a text value with newValue inserted into a text value starting at a zero-based offset. Remove: Removes all occurrences of a character or list of characters from a text value. The removeChars parameter can be a character value or a list of character values. You can use them to clean and manipulate textual strings.

Contains Returns true if a specified value is found within a given text field. Any parameters for your function would go in between the parenthesis. By Michael Alexander. The following table contains Excel date functions that help do things like add months, pull out date parts, and get the number of days within a given time period. I would like to use an IF statement that checks multiple criteria using OR, rather than a bunch of nested if-else.

This post is alternative version, but with a twist. Unfortunately not all of Excel’s formulas can be used in M. As you know: “VLOOKUP matches values from a column and then return the values from the same row of the different column or from the same column. AddAndExpandDimensionColumn to Cube.

Thank you for you time folks! LocalNow Returns a datetime value set to the current date and. Power Query Tutorials. Custom functions are re-usable pieces of code.

So, as a rule, if you write the same code more than three times, you. In the previous article, we looked at IF function basics. However, the number of functions in the graphical interface is very limited. Knowing functions is your best helper when you work with a functional language. There are times when we want to perform such tasks that are not built in the user interface i. How to use power query concatenate function ? Now in another column, I would like to show in rows which have a date and in rows which have a blank (null) So if date is like.

Here are the articles in this section: Function. Today I create a simple function and show how to access it when building a query. Stored Procedure My database contains a very simple procedure that given a cost center returns all the expense records.

Since these functions can accept different parameter values at runtime, they are very flexible. Vary the argument and vary the behavior of the function. Get the files used in. M code is the language behind the scenes of power query.

When you create a data transformation in the power query editor UI, Excel is writing the corresponding M code for the query.