ayushtkn commented on PR #14974:
URL: https://github.com/apache/iceberg/pull/14974#issuecomment-3715298641
This is from Spark
```
TestInternalRowWrapper > testTimestampNaNoWithoutZone() FAILED
java.lang.UnsupportedOperationException: Cannot convert unsupported type
to Spark: timestamp_ns
at
org.apache.iceberg.spark.TypeToSparkType.primitive(TypeToSparkType.java:154)
at
org.apache.iceberg.spark.TypeToSparkType.primitive(TypeToSparkType.java:50)
at org.apache.iceberg.types.TypeUtil.visit(TypeUtil.java:732)
at org.apache.iceberg.types.TypeUtil.visit(TypeUtil.java:683)
at org.apache.iceberg.types.TypeUtil.visit(TypeUtil.java:671)
at
org.apache.iceberg.spark.SparkSchemaUtil.convert(SparkSchemaUtil.java:96)
at
org.apache.iceberg.spark.source.TestInternalRowWrapper.generateAndValidate(TestInternalRowWrapper.java:58)
```
On the website also it is mentioned it is not supported in Spark
<img width="621" height="158" alt="image"
src="https://github.com/user-attachments/assets/5fe2f382-9eca-4ba7-b0c9-0db46f2a3a0d";
/>
https://iceberg.apache.org/docs/latest/spark-getting-started/#iceberg-type-to-spark-type
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