Engineer details config-driven pipeline for unifying CSVs via EAV model
Tactic · dev.to · stat: — A developer details a data engineering tactic for consolidating wide CSVs with inconsistent column names and units. The method uses JSON configuration files to map source…
Tactic · dev.to · stat: —
A developer details a data engineering tactic for consolidating wide CSVs with inconsistent column names and units. The method uses JSON configuration files to map source columns to a standard schema, transforming data into an Entity-Attribute-Value (EAV) long format before pivoting it into a final 'gold' data mart for analysis.
A classic data engineering pattern: config over hard-coded pipeline logic. This approach reduces maintenance overhead for products that must ingest heterogeneous data sources from multiple customers or vendors.
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