lurnagao opened a new issue, #7415:
URL: https://github.com/apache/iceberg/issues/7415
### Apache Iceberg version
1.2.0
### Query engine
None
### Please describe the bug 🐞
1.schema and spec:
`Types.NestedField.required(1, "id", Types.IntegerType.get());
Types.NestedField.required(2, "name", Types.StringType.get());
Types.NestedField.required(3, "dt", Types.StringType.get());`
`PartitionSpec.builderFor(schema).identity("dt").build();`
2.drop partition field
`table.updateSpec().removeField("dt").commit`
3.drop column field
`table.updateSchema().deleteColumn("dt").commit`
4.hivesql insert will throw npe:
`Exception in thread "main" java.lang.NullPointerException: Type cannot be
null
at
org.apache.iceberg.relocated.com.google.common.base.Preconditions.checkNotNull(Preconditions.java:897)
at org.apache.iceberg.types.Types$NestedField.<init>(Types.java:449)
at org.apache.iceberg.types.Types$NestedField.optional(Types.java:418)
at
org.apache.iceberg.PartitionSpec.partitionType(PartitionSpec.java:141)
at
org.apache.iceberg.util.PartitionSet.lambda$new$0(PartitionSet.java:45)
at
org.apache.iceberg.relocated.com.google.common.collect.RegularImmutableMap.forEach(RegularImmutableMap.java:185)
at org.apache.iceberg.util.PartitionSet.<init>(PartitionSet.java:45)
at org.apache.iceberg.util.PartitionSet.create(PartitionSet.java:37)
at
org.apache.iceberg.ManifestFilterManager.<init>(ManifestFilterManager.java:91)
at
org.apache.iceberg.MergingSnapshotProducer$DataFileFilterManager.<init>(MergingSnapshotProducer.java:701)
at
org.apache.iceberg.MergingSnapshotProducer$DataFileFilterManager.<init>(MergingSnapshotProducer.java:699)
at
org.apache.iceberg.MergingSnapshotProducer.<init>(MergingSnapshotProducer.java:117)
at org.apache.iceberg.MergeAppend.<init>(MergeAppend.java:32)`
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