vinson0526 commented on a change in pull request #2691:
URL: https://github.com/apache/iceberg/pull/2691#discussion_r654136628
##########
File path: core/src/main/java/org/apache/iceberg/BaseUpdatePartitionSpec.java
##########
@@ -149,7 +151,14 @@ public BaseUpdatePartitionSpec addField(String name, Term
term) {
nameToAddedField.put(name, newField);
}
- adds.add(newField);
+ String partitionName;
+ if (newField.name() != null) {
+ partitionName = newField.name();
+ } else {
+ partitionName = PartitionSpecVisitor.visit(schema, newField,
PartitionNameGenerator.INSTANCE);
+ }
+
+ adds.add(Pair.of(newField, partitionName));
Review comment:
Regenerate `PartitionField` with `partitionName ` if `name` is null.
##########
File path: core/src/main/java/org/apache/iceberg/BaseUpdatePartitionSpec.java
##########
@@ -192,6 +211,12 @@ public BaseUpdatePartitionSpec removeField(Term term) {
@Override
public BaseUpdatePartitionSpec renameField(String name, String newName) {
+ PartitionField existingField = nameToField.get(newName);
+ if (existingField != null && isVoidTransform(existingField)) {
+ // rename the old deleted field that is being replaced by the new field
+ renameField(existingField.name(), existingField.name() + "_" +
UUID.randomUUID());
Review comment:
change to `existingField.fieldId()`
##########
File path: core/src/main/java/org/apache/iceberg/BaseUpdatePartitionSpec.java
##########
@@ -145,11 +146,29 @@ public BaseUpdatePartitionSpec addField(String name, Term
term) {
checkForRedundantAddedPartitions(newField);
transformToAddedField.put(validationKey, newField);
- if (name != null) {
- nameToAddedField.put(name, newField);
+
+ String partitionName;
+ if (newField.name() != null) {
+ partitionName = newField.name();
+ } else {
+ partitionName = PartitionSpecVisitor.visit(schema, newField,
PartitionNameGenerator.INSTANCE);
}
- adds.add(newField);
+ PartitionField existingField = nameToField.get(partitionName);
+ if (existingField != null) {
+ if (isVoidTransform(existingField)) {
+ // rename the old deleted field that is being replaced by the new field
+ renameField(existingField.name(), existingField.name() + "_" +
UUID.randomUUID());
Review comment:
use the existing field's ID instead.
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