dmgcodevil opened a new issue, #6587:
URL: https://github.com/apache/iceberg/issues/6587
### Apache Iceberg version
None
### Query engine
None
### Please describe the bug 🐞
I have a timestamp field of type: `timestamptz`. I'm trying to compact files
using Spark action but getting the following error:
```
Wrong class, java.lang.Long, for object: 19367
```
My schema:
```
{
"id" : 10,
"name" : "tick_timestamp",
"required" : false,
"type" : "timestamptz"
}, {
"id" : 11,
"name" : "transaction_timestamp",
"required" : false,
"type" : "timestamptz"
}
```
Partition specs:
```json
"partition-spec" : [ {
"name" : "transaction_timestamp_day",
"transform" : "void",
"source-id" : 11,
"field-id" : 1000
}, {
"name" : "id059_bucket",
"transform" : "bucket[20]",
"source-id" : 5,
"field-id" : 1001
}, {
"name" : "tick_timestamp_day",
"transform" : "day",
"source-id" : 10,
"field-id" : 1002
} ],
"default-spec-id" : 2,
"partition-specs" : [ {
"spec-id" : 0,
"fields" : [ {
"name" : "transaction_timestamp_day",
"transform" : "day",
"source-id" : 11,
"field-id" : 1000
}, {
"name" : "id059_bucket",
"transform" : "bucket[20]",
"source-id" : 5,
"field-id" : 1001
} ]
}, {
"spec-id" : 1,
"fields" : [ {
"name" : "tick_timestamp_day",
"transform" : "day",
"source-id" : 11,
"field-id" : 1000
}, {
"name" : "id059_bucket",
"transform" : "bucket[20]",
"source-id" : 5,
"field-id" : 1001
} ]
}, {
"spec-id" : 2,
"fields" : [ {
"name" : "transaction_timestamp_day",
"transform" : "void",
"source-id" : 11,
"field-id" : 1000
}, {
"name" : "id059_bucket",
"transform" : "bucket[20]",
"source-id" : 5,
"field-id" : 1001
}, {
"name" : "tick_timestamp_day",
"transform" : "day",
"source-id" : 10,
"field-id" : 1002
} ]
} ]
```
Test:
```java
val task = table.newScan().filter().planFiles().asScala.head
Comparators.forType(table.spec.partitionType()).compare(task.file().partition(),
task.file().partition())
```
Error:
```
Wrong class, java.lang.Long, for object: 19367
```
The one thing I noticed is that `` returns the following type:
```
{"type":"record","name":"PartitionData","namespace":"org.apache.iceberg","fields":[{"name":"tick_timestamp_day","type":["null",{"type":"int","logicalType":"date"}],"default":null,"field-id":1000},{"name":"id059_bucket","type":["null","int"],"default":null,"field-id":1001}]}
```
`tick_timestamp_day` has type `date` (int) instead of `timestamptz`. Any
thoughts ?
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