fallintoplace commented on code in PR #1801:
URL: https://github.com/apache/iceberg-go/pull/1801#discussion_r3798007278
##########
table/metadata.go:
##########
@@ -596,20 +596,31 @@ func (b *MetadataBuilder) NextRowID() int64 {
}
func (b *MetadataBuilder) RemoveSnapshots(snapshotIds []int64, postCommit
bool) error {
- if b.currentSnapshotID != nil && slices.Contains(snapshotIds,
*b.currentSnapshotID) {
- return errors.New("current snapshot cannot be removed")
+ removedIDs := make(map[int64]struct{}, len(snapshotIds))
+ for _, snapshotID := range snapshotIds {
+ removedIDs[snapshotID] = struct{}{}
+ }
+
+ if b.currentSnapshotID != nil {
+ if _, ok := removedIDs[*b.currentSnapshotID]; ok {
+ return errors.New("current snapshot cannot be removed")
+ }
}
b.snapshotList = slices.DeleteFunc(b.snapshotList, func(e Snapshot)
bool {
- return slices.Contains(snapshotIds, e.SnapshotID)
- })
- b.snapshotLog = slices.DeleteFunc(b.snapshotLog, func(e
SnapshotLogEntry) bool {
- return slices.Contains(snapshotIds, e.SnapshotID)
+ _, ok := removedIDs[e.SnapshotID]
+
+ return ok
})
Review Comment:
I can add a short comment here to make that less confusing.
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