Core concept
Automatic for Parquet, ORC, Delta, Iceberg. JDBC also.
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How it works
UDFs prevent pushdown. Some filter types unsupported.
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Trade-offs + gotchas
Every scan-based query.
Automatic for Parquet, ORC, Delta, Iceberg. JDBC also.
UDFs prevent pushdown. Some filter types unsupported.
Every scan-based query.