kingeasternsun opened a new pull request #3987:
URL: https://github.com/apache/iceberg/pull/3987
We use `add_filles` syscall to migrate hive table to iceberg table, but
when we use flink to read that target table, failed with these errors
```shell
ava.lang.UnsupportedOperationException: Unsupported type: optional int96
wafer_start_time = 4
at
org.apache.iceberg.flink.data.FlinkParquetReaders$ReadBuilder.primitive(FlinkParquetReaders.java:268)
at
org.apache.iceberg.flink.data.FlinkParquetReaders$ReadBuilder.primitive(FlinkParquetReaders.java:73)
at
org.apache.iceberg.parquet.TypeWithSchemaVisitor.visit(TypeWithSchemaVisitor.java:52)
at
org.apache.iceberg.parquet.TypeWithSchemaVisitor.visitField(TypeWithSchemaVisitor.java:155)
at
org.apache.iceberg.parquet.TypeWithSchemaVisitor.visitFields(TypeWithSchemaVisitor.java:169)
at
org.apache.iceberg.parquet.TypeWithSchemaVisitor.visit(TypeWithSchemaVisitor.java:47)
at
org.apache.iceberg.flink.data.FlinkParquetReaders.buildReader(FlinkParquetReaders.java:68)
at
org.apache.iceberg.flink.source.RowDataFileScanTaskReader.lambda$newParquetIterable$1(RowDataFileScanTaskReader.java:138)
at org.apache.iceberg.parquet.ReadConf.(ReadConf.java:118)
```
The solution was inspired by #1184
# Testing
[ ] unsure about what is the best place to add unit-tests that use spark to
create parquet file with parquet int96 timestamps are stored an use flink
parquet readers to read it.
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