zhangbutao commented on code in PR #4216:
URL: https://github.com/apache/hive/pull/4216#discussion_r1184537248
##########
iceberg/iceberg-handler/src/main/java/org/apache/iceberg/mr/hive/HiveIcebergStorageHandler.java:
##########
@@ -676,6 +678,35 @@ public void
executeOperation(org.apache.hadoop.hive.ql.metadata.Table hmsTable,
}
}
+ @Override
+ public void createBranchOperation(org.apache.hadoop.hive.ql.metadata.Table
hmsTable,
+ AlterTableCreateBranchSpec createBranchSpec) {
+ TableDesc tableDesc = Utilities.getTableDesc(hmsTable);
+ Table icebergTable = IcebergTableUtil.getTable(conf,
tableDesc.getProperties());
+
+ String branchName = createBranchSpec.getBranchName();
+ Optional.ofNullable(icebergTable.currentSnapshot()).orElseThrow(() -> new
UnsupportedOperationException(
+ String.format("Cannot create branch %s on iceberg table %s.%s which
has no snapshot",
+ branchName, hmsTable.getDbName(), hmsTable.getTableName())));
+ Long snapshotId = Optional.ofNullable(createBranchSpec.getSnapshotId())
+ .orElse(icebergTable.currentSnapshot().snapshotId());
+ LOG.info("Creating branch {} on iceberg table {}.{}", branchName,
hmsTable.getDbName(),
Review Comment:
Added `snapshotId `. I think INFO is enough as this DDL is rarely executed.
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