Limit INSERT field-aware casts to Arrow extensions - #71
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Summary
PARQUET:field_idlist metadataWhy
The previous field-aware INSERT coercion applied to all field metadata. For nested Iceberg list fields this made the logical projection schema exactly match the target schema, while the runtime Arrow cast still produced a list array without the nested metadata. Rustice then failed to construct a RecordBatch before its metadata repair rule could run.
Validation
cargo +1.97.0 test -p datafusion-sql --lib --tests(92 unit, 590 integration)cargo +1.97.0 clippy -p datafusion-sql --all-targets --all-features -- -D warningscargo +1.97.0 fmt --all -- --checkThe equivalent follow-up is also pushed to apache#24971.