Scalar user-defined functions (UDFs)

Data Warehouse · General availability · Planned

Data Warehouse General availability Planned
Last Modified: November 18, 2025 Release Date: June 30, 2026

Description

We're expanding the capabilities of scalar user-defined functions. This update unlocks new scenarios for expression-based UDFs, including support for while loops, multiple return statements, and complex control flows. Additionally, we've improved error messaging to make debugging easier and development more intuitive.

📰 Related Blog Article

Inline Scalar user-defined functions (UDFs) in Microsoft Fabric Warehouse (Preview)
🔗 blog.fabric.microsoft.com

Change History

  1. 2025-10-16
    Roadmap Item Added
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