SML0127 commented on issue #10019:
URL: https://github.com/apache/iceberg/issues/10019#issuecomment-2016361743
@pvary
There's something strange about hive catalog.
When I check HiveCatalog.namespaceExists(namespace), it always return
`false`.
But when I create name space, it return error `Namespace already exists:
my_db`
Here is my code, and log
### code
```scala
val namespace = Namespace.of(database)
LOG.info(catalog.namespaceExists(namespace).toString)
if (!catalog.namespaceExists(namespace)) {
try {
catalog.createNamespace(namespace, namespaceProps)
} catch {
case e: Exception => LOG.info(e.getMessage)
}
}
LOG.info("TMP2: ============================")
try {
LOG.debug(catalog.loadNamespaceMetadata(namespace).toString)
} catch {
case e: Exception => LOG.info(e.getMessage)
}
```
### log
```d
2024-03-23 04:33:23.373 INFO IcebergSinkConfiguration$ [] - false
2024-03-23 04:33:23.393 INFO IcebergSinkConfiguration$ [] - Namespace
already exists: my_db
2024-03-23 04:33:23.393 INFO IcebergSinkConfiguration$ [] - TMP2:
============================
2024-03-23 04:33:23.396 INFO IcebergSinkConfiguration$ [] - Namespace does
not exist: my_db
2024-03-23 04:33:23.467 INFO org.apache.iceberg.BaseMetastoreTableOperations
[] - Refreshing table metadata from new version:
/warehouse/my_db.db/my_table/metadata/00000-4ee89001-8f63-4648-96bb-606d753e00a7.metadata.json
2024-03-23 04:33:23.761 INFO org.apache.iceberg.BaseMetastoreCatalog [] -
Table loaded by catalog: hive.my_db.my_table
```
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