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by sundbry
968 days ago
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This is one nice property of Apache Iceberg (a data lake format, built on top of Parquet). The schemas in the data are evolvable, and require both a name and a field ID to identify the field. The names are changeable, but the ID's are immutable, so you can remove a field, and add a new field by the same name, having a different type. |
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