rdblue commented on code in PR #16408:
URL: https://github.com/apache/iceberg/pull/16408#discussion_r3284963534
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core/src/main/java/org/apache/iceberg/TrackingStruct.java:
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@@ -268,67 +286,67 @@ public String toString() {
}
static class Builder {
- private EntryStatus status = null;
- private Long snapshotId = null;
- private Long dataSequenceNumber = null;
- private Long fileSequenceNumber = null;
- private Long dvSnapshotId = null;
- private Long firstRowId = null;
- private byte[] deletedPositions = null;
- private byte[] replacedPositions = null;
-
- Builder status(EntryStatus entryStatus) {
- this.status = entryStatus;
- return this;
- }
-
- Builder snapshotId(Long id) {
- this.snapshotId = id;
- return this;
- }
-
- Builder dataSequenceNumber(Long sequenceNumber) {
- this.dataSequenceNumber = sequenceNumber;
- return this;
+ private final EntryStatus status;
+ private final Long snapshotId;
+ private final Long dataSequenceNumber;
+ private final Long fileSequenceNumber;
+ private final Long firstRowId;
+ private Long dvSnapshotId;
+ private byte[] deletedPositions;
+ private byte[] replacedPositions;
+
+ private Builder(EntryStatus status, long snapshotId) {
+ this.status = status;
+ this.snapshotId = snapshotId;
+ this.dataSequenceNumber = null;
+ this.fileSequenceNumber = null;
+ this.firstRowId = null;
}
- Builder fileSequenceNumber(Long sequenceNumber) {
- this.fileSequenceNumber = sequenceNumber;
- return this;
+ private Builder(EntryStatus status, Tracking source, Long snapshotId) {
Review Comment:
Another option is to always pass the current operation's snapshot. Then we
could use it to automatically set `dvSnapshotId` (and later,
`columnUpdateSnapshotId`) when this is configured to have changed the DV or
column set.
I kind of like this idea because it puts more of the correctness work on
this builder.
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