jackye1995 commented on a change in pull request #2465:
URL: https://github.com/apache/iceberg/pull/2465#discussion_r612860695
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File path: core/src/main/java/org/apache/iceberg/SchemaUpdate.java
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@@ -408,11 +450,15 @@ private TableMetadata applyChangesToMapping(TableMetadata
metadata) {
private static Schema applyChanges(Schema schema, List<Integer> deletes,
Map<Integer, Types.NestedField> updates,
Multimap<Integer, Types.NestedField> adds,
- Multimap<Integer, Move> moves) {
+ Multimap<Integer, Move> moves,
+ Set<String> rowIdentifierNames) {
Types.StructType struct = TypeUtil
.visit(schema, new ApplyChanges(deletes, updates, adds, moves))
.asNestedType().asStructType();
- return new Schema(struct.fields());
+ Set<Integer> refreshedRowIdentifiers = rowIdentifierNames.stream()
+ .map(name -> struct.field(name).fieldId())
+ .collect(Collectors.toSet());
+ return new Schema(struct.fields(), refreshedRowIdentifiers);
Review comment:
thanks! I completely forgot that part... I added a new method
`sameSchema` and now use that to check equality in table metadata.
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