openinx commented on a change in pull request #1815:
URL: https://github.com/apache/iceberg/pull/1815#discussion_r530235128
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File path: flink/src/main/java/org/apache/iceberg/flink/FlinkCatalog.java
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@@ -619,7 +624,25 @@ public void alterPartitionColumnStatistics(ObjectPath
tablePath, CatalogPartitio
@Override
public List<CatalogPartitionSpec> listPartitions(ObjectPath tablePath)
throws CatalogException {
- throw new UnsupportedOperationException();
+ Table table = icebergCatalog.loadTable(toIdentifier(tablePath));
+ Set<CatalogPartitionSpec> set = Sets.newHashSet();
+ try (CloseableIterable<FileScanTask> tasks = table.newScan().planFiles()) {
+ for (DataFile dataFile : CloseableIterable.transform(tasks,
FileScanTask::file)) {
+ Map<String, String> map = Maps.newHashMap();
+ StructLike structLike = dataFile.partition();
+ PartitionSpec spec = table.specs().get(dataFile.specId());
+ for (int i = 0; i < structLike.size(); i++) {
+ map.put(spec.fields().get(i).name(),
String.valueOf(structLike.get(i, Object.class)));
+ }
+ // if the table is unpartitioned table, do not add it to set
+ if (map.size() > 0) {
+ set.add(new CatalogPartitionSpec(map));
+ }
+ }
+ } catch (IOException e) {
+ throw new UncheckedIOException(e);
Review comment:
`@throws CatalogException in case of any runtime exception`
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