zhangbutao commented on code in PR #4341:
URL: https://github.com/apache/hive/pull/4341#discussion_r1266619093
##########
iceberg/iceberg-handler/src/main/java/org/apache/iceberg/mr/hive/HiveIcebergMetaHook.java:
##########
@@ -225,6 +231,38 @@ public void
preCreateTable(org.apache.hadoop.hive.metastore.api.Table hmsTable)
setOrcOnlyFilesParam(hmsTable);
}
+ /**
+ * If iceberg table to be created has neither EXTERNAL keyword nor specified
location, we should firstly
+ * check transform
MetastoreConf.ConfVars.METASTORE_METADATA_TRANSFORMER_CLASS. If transformer is
set,
+ * let it determine table's location; otherwise, we should set table's type
to EXTERNAL to make sure
+ * iceberg table on external location.
+ * @param hmsTable table is to be created
+ */
+ private void
checkAndSetTblLocation(org.apache.hadoop.hive.metastore.api.Table hmsTable) {
+ HiveMetaStoreClient hmsClient = null;
+ if (Catalogs.hiveCatalog(conf, catalogProperties) &&
hmsTable.getSd().getLocation() == null &&
+ !TableType.EXTERNAL_TABLE.toString().equals(hmsTable.getTableType())) {
+ try {
+ hmsClient = new HiveMetaStoreClient(conf);
+ String transformer =
+
hmsClient.getMetaConf(MetastoreConf.ConfVars.METASTORE_METADATA_TRANSFORMER_CLASS.getVarname());
+ if (org.apache.commons.lang3.StringUtils.isBlank(transformer)) {
+ Map<String, String> params =
Optional.ofNullable(hmsTable.getParameters()).orElse(Maps.newHashMap());
+ params.put("EXTERNAL", "TRUE");
+ params.put(MetaStoreUtils.EXTERNAL_TABLE_PURGE, "TRUE");
Review Comment:
Make sense. Fixed.
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