Advanced Features

In-depth and optional semantic-model features. The pages above this section cover the core: tables, fields, expressions, relationships, imports, extended blending groups, and partitions.

Features

• Universe Formation - How join trees are built from a root fact
• Semantic Routing - How the planner picks a table and datasource
• Cost Optimization - Steering routing with cost
• Exclusions - Measures that ignore chosen dimensions
• Inclusions - Multi-level calculations
• Decorators - Request-time transforms on a projection (temporal, window, contribution). Nothing to model; they live in the query spec

When to Use

Use advanced features when you need:

• Point-in-time analysis - Snapshot measures
• Complex filtering - Exclusions
• Multi-level calculations - Inclusions
• Hot tiers and aggregate tables - Semantic routing and cost optimization
• Time-based analysis - Temporal decorators in the spec

Next Steps

• Explore specific advanced features
• Read about decorators in the query spec
• Learn how semantic routing picks a datasource