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@ilicmarkodb ilicmarkodb commented Jan 20, 2026

Which Delta project/connector is this regarding?

  • Spark
  • Standalone
  • Flink
  • Kernel
  • Other (fill in here)

Description

Disable creating a MapType with a key type containing StringType with non-SPARK.UTF8_BINARY collation. This follows Spark's behaviour.

How was this patch tested?

New unit tests.

Does this PR introduce any user-facing changes?

No.

@ilicmarkodb ilicmarkodb force-pushed the disable_map_with_collated_key branch from 64e2a41 to e55154d Compare January 20, 2026 14:08
@ilicmarkodb ilicmarkodb force-pushed the disable_map_with_collated_key branch from e55154d to 8f1a9e1 Compare January 20, 2026 17:16
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