szehon-ho commented on a change in pull request #2961:
URL: https://github.com/apache/iceberg/pull/2961#discussion_r687471237
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File path: api/src/main/java/org/apache/iceberg/Snapshot.java
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@@ -135,4 +135,12 @@
default Integer schemaId() {
return null;
}
+
+ /**
+ * Return the tags associated with the snapshot, or null if no tag is
associated with the snapshot.
Review comment:
Nit: 'if no tags are'
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File path: core/src/main/java/org/apache/iceberg/TableMetadata.java
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@@ -966,6 +972,22 @@ private static SortOrder freshSortOrder(int orderId,
Schema schema, SortOrder so
return builder.build();
}
+ private static Map<String, Long> indexAndValidateSnapshotTags(List<Snapshot>
snapshots) {
+ Map<String, Long> snapshotTags = Maps.newHashMap();
+ for (Snapshot snap : snapshots) {
+ if (snap.tags() != null) {
+ for (String tag : snap.tags()) {
+ ValidationException.check(!snapshotTags.containsKey(tag),
+ "Tag is must be assigned to only 1 snapshot, but found tag %s in
snapshots %s and %s",
Review comment:
Nit: unnecessary "is"
Suggestion: "A tag can be assigned to only one snapshot, but ..."
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File path: core/src/main/java/org/apache/iceberg/TableMetadata.java
##########
@@ -238,6 +238,7 @@ public String toString() {
private final long currentSnapshotId;
Review comment:
Do we need to handle all the update snapshot calls? ie,
replaceCurrentSnapshot, addStagedSnashot, etc.
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