deniskuzZ commented on code in PR #5393:
URL: https://github.com/apache/hive/pull/5393#discussion_r1740009558


##########
iceberg/iceberg-handler/src/main/java/org/apache/iceberg/mr/hive/HiveIcebergStorageHandler.java:
##########
@@ -2095,6 +2097,55 @@ public List<Partition> 
getPartitionsByExpr(org.apache.hadoop.hive.ql.metadata.Ta
     }
   }
 
+  @Override
+  public List<Partition> 
getPartitionsWithFilter(org.apache.hadoop.hive.ql.metadata.Table hmsTable,
+      ExprNodeDesc filter, boolean currentSpec) {
+    SearchArgument sarg = ConvertAstToSearchArg.create(conf, 
(ExprNodeGenericFuncDesc) filter);
+    Expression exp = HiveIcebergFilterFactory.generateFilterExpression(sarg);
+    Table table = IcebergTableUtil.getTable(conf, hmsTable.getTTable());
+    int tableSpecId = table.spec().specId();
+    List<Partition> partitions = Lists.newArrayList();
+
+    TableScan scan = 
table.newScan().filter(exp).caseSensitive(false).includeColumnStats().ignoreResiduals();
+
+    try (CloseableIterable<FileScanTask> tasks = scan.planFiles()) {
+      tasks.forEach(task -> {
+        DataFile file = task.file();
+        PartitionSpec spec = task.spec();
+        if ((currentSpec && file.specId() == tableSpecId) || (!currentSpec && 
file.specId() != tableSpecId)) {
+          PartitionData partitionData = 
IcebergTableUtil.toPartitionData(task.partition(), spec.partitionType());
+          String partName = spec.partitionToPath(partitionData);
+          Map<String, String> partSpecMap = Maps.newLinkedHashMap();
+          Warehouse.makeSpecFromName(partSpecMap, new Path(partName), null);
+          DummyPartition partition = new DummyPartition(hmsTable, partName, 
partSpecMap);
+          if (!partitions.contains(partition)) {
+            partitions.add(partition);
+          }
+        }
+      });
+    } catch (IOException ioe) {
+      LOG.warn("Failed to close task iterable", ioe);
+    }
+    partitions.sort(Comparator.comparing(Partition::getName));
+    return partitions;
+  }
+
+  @Override
+  public boolean isFilterMatching(org.apache.hadoop.hive.ql.metadata.Table 
hmsTable, ExprNodeDesc filter) {

Review Comment:
   Can this be moved into some util class instead of StorageHandler interface?



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