Exporting Magento 2 Data: Flatten EAV with SQL & Node
Answer-first: Production-grade guide to extracting data from Magento 2’s EAV model. Includes direct SQL queries and a resilient Node.js streaming pipeline. When migrating off Magento 2, the first obstacle is always the database schema. Magento does not store data in clean flat rows — it uses an Entity-Attribute-Value (EAV) model that spreads data across dozens of tables with store-scope inheritance. Understanding this before writing SQL will save you days. This guide covers two extraction problems: order export (the simpler case) and product catalog export (the genuinely hard case), followed by a production-grade Node.js pipeline to ingest that data into your new service databases. ...