Downstream Lineage: Impacts

Answer the critical question: "What breaks if I change this?"

Use this BEFORE making changes to understand the blast radius.

Impact Analysis

Step 1: Identify Direct Consumers

Find everything that reads from this target:

For Tables:

1. Search DAG source code: Look for DAGs that SELECT from this table
   • Use af dags list to get all DAGs
   • Use af dags source <dag_id> to search for table references
   • Look for: FROM target_table, JOIN target_table