Documentation
README
Power Query for Semantic Models
Author, validate, and test Power Query M expressions in semantic model import partitions. Covers writing correct M code, preserving query folding, validating expressions, and testing them by executing against real data sources.
Partition Expressions
Each import table in a semantic model has a partition with an M expression defining what data gets loaded during refresh. The expression typically connects to a data source, navigates to a table/view, and applies transformations.
Structure of a Partition Expression
This is the opening of the README. Read the full README on GitHub.