deniskuzZ commented on code in PR #5123:
URL: https://github.com/apache/hive/pull/5123#discussion_r1575794738
##########
iceberg/iceberg-handler/src/main/java/org/apache/iceberg/mr/hive/HiveIcebergStorageHandler.java:
##########
@@ -1915,6 +1917,46 @@ private boolean hasUndergonePartitionEvolution(Table
table) {
.anyMatch(id -> id < table.spec().specId());
}
+ private boolean
isIdentityPartitionTable(org.apache.hadoop.hive.ql.metadata.Table table) {
+ return
getPartitionTransformSpec(table).stream().map(TransformSpec::getTransformType)
+ .allMatch(type -> type == TransformSpec.TransformType.IDENTITY);
+ }
+
+ @Override
+ public org.apache.commons.lang3.tuple.Pair<Boolean, ErrorMsg>
isEligibleForCompaction(
+ org.apache.hadoop.hive.ql.metadata.Table table, Map<String, String>
partitionSpec) {
+ if (partitionSpec != null) {
+ Table icebergTable = IcebergTableUtil.getTable(conf, table.getTTable());
+ if (hasUndergonePartitionEvolution(icebergTable)) {
+ return org.apache.commons.lang3.tuple.Pair.of(false,
ErrorMsg.COMPACTION_PARTITION_EVOLUTION);
+ }
+ if (!isIdentityPartitionTable(table)) {
+ return org.apache.commons.lang3.tuple.Pair.of(false,
ErrorMsg.COMPACTION_NON_IDENTITY_PARTITION_SPEC);
+ }
+ }
+ return org.apache.commons.lang3.tuple.Pair.of(true, null);
+ }
+
+ @Override
+ public List<Partition>
getPartitions(org.apache.hadoop.hive.ql.metadata.Table table,
+ Map<String, String> partitionSpec, short limit) throws SemanticException
{
Review Comment:
why do we need limit here? if we need it, we should pass it to
`getPartitionNames`
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