Stop Writing Hardcoded SQL. Build Metadata-Driven Engines.
I see too many Data Engineers manually writing the same SELECT, LEFT JOIN, and WHERE clauses for every new pipeline. If youβre copy-pasting SQL, you arenβt engineering; youβre transcribing. Iβve shifted my development workflow to a Metadata-Driven Approach using Jinja2. By decoupling the Business Logic (JSON/YAML) from the Execution Logic…
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