advancedxy commented on code in PR #10755:
URL: https://github.com/apache/iceberg/pull/10755#discussion_r1700394019
##########
core/src/main/java/org/apache/iceberg/TableMetadata.java:
##########
@@ -1102,6 +1102,42 @@ public Builder setDefaultPartitionSpec(int specId) {
return this;
}
+ Builder removeUnusedSpecs(Iterable<PartitionSpec> specsToRemove) {
+ Set<Integer> specIdsToRemove = Sets.newHashSet();
+ for (PartitionSpec spec : specsToRemove) {
+ Preconditions.checkArgument(
+ spec.specId() != defaultSpecId, "Cannot remove default partition
spec");
+ PartitionSpec toBeRemoved = specsById.remove(spec.specId());
+ Preconditions.checkArgument(
+ toBeRemoved == null || toBeRemoved.equals(spec),
+ "Cannot remove an unknown spec, spec id: %s",
+ spec.specId());
+ if (toBeRemoved != null) {
+ specIdsToRemove.add(spec.specId());
+ }
+ }
+ this.specs =
+ specs.stream()
+ .filter(s -> !specIdsToRemove.contains(s.specId()))
+ .collect(Collectors.toList());
+ changes.add(new MetadataUpdate.RemoveUnusedSpecs(specIdsToRemove));
+ return this;
+ }
+
+ Builder removeUnusedSpecsById(Iterable<Integer> specIds) {
+ Set<Integer> specIdsToRemove = Sets.newHashSet(specIds);
+ Preconditions.checkArgument(
+ !specIdsToRemove.contains(defaultSpecId), "Cannot remove default
partition spec");
+ this.specs =
+ specs.stream()
+ .filter(s -> !specIdsToRemove.contains(s.specId()))
+ .collect(Collectors.toList());
+ specsById.clear();
+ specsById.putAll(indexSpecs(specs));
Review Comment:
It's already checked in L1129, so the default spec will never be removed
from specs?
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
