Simplifying ClickHouse Queries with Smart Schema Design
Disclaimer: This blog post is automatically generated from project documentation and technical proposals using AI assistance. The content represents our development journey and architectural decisions. Code examples are simplified illustrations and may not reflect the exact production implementation. Table of Contents The Query Complexity Problem Three-Tier Improvement Strategy Tier 1: Zero-Risk Quick Wins Tier 1.5: Match Timing Lookup Table Tier 2: Shot Sequence Linking Tier 3: Score Denormalization Performance Impact Key Learnings The Query Complexity Problem When Caroline and I first built the ClickHouse analytics for Scores, we followed a pure event sourcing approach: store raw events, derive everything in queries. This kept writes simple but made reads complex. ...