huyuanfeng2018 commented on code in PR #7620:
URL: https://github.com/apache/iceberg/pull/7620#discussion_r1205421989
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flink/v1.15/flink/src/main/java/org/apache/iceberg/flink/IcebergTableSink.java:
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@@ -70,9 +78,30 @@ public SinkRuntimeProvider getSinkRuntimeProvider(Context
context) {
!overwrite || context.isBounded(),
"Unbounded data stream doesn't support overwrite operation.");
- List<String> equalityColumns =
+ List<String> primaryKeys =
tableSchema.getPrimaryKey().map(UniqueConstraint::getColumns).orElseGet(ImmutableList::of);
+ List<String> partitionFields = ImmutableList.of();
+ if (Boolean.parseBoolean(writeProps.get(TableProperties.UPSERT_ENABLED))) {
+ tableLoader.open();
+ try (TableLoader loader = tableLoader) {
+ Table table = loader.loadTable();
+ if (table.spec().isPartitioned()) {
+ partitionFields =
+
table.spec().fields().stream().map(PartitionField::name).collect(Collectors.toList());
+ }
+ } catch (IOException e) {
+ throw new UncheckedIOException(
+ "Failed to load iceberg table from table loader: " + tableLoader,
e);
+ }
+ }
+
+ List<String> equalityColumns =
Review Comment:
In this way, only the same primary key data in the partition will be upsert
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