mattfaltyn commented on code in PR #1988:
URL: https://github.com/apache/iceberg-go/pull/1988#discussion_r3972675333
##########
table/metadata.go:
##########
@@ -2053,24 +2058,27 @@ func assignMissingPartitionFieldIDsFromMetadata(b
[]byte, metadata map[string]js
return nil, err
}
field["field-id"] = rawFieldID
+ normalizedLastPartitionID = max(normalizedLastPartitionID,
lastAssignedID)
}
- if usesSpecList {
- rawSpecs, err := json.Marshal(specs)
- if err != nil {
- return nil, err
- }
- metadata["partition-specs"] = rawSpecs
- } else {
- rawFields, err := json.Marshal(specs[0].Fields)
- if err != nil {
- return nil, err
+ if len(missingFields) > 0 {
+ if usesSpecList {
+ rawSpecs, err := json.Marshal(specs)
+ if err != nil {
+ return nil, err
+ }
+ metadata["partition-specs"] = rawSpecs
+ } else {
+ rawFields, err := json.Marshal(specs[0].Fields)
+ if err != nil {
+ return nil, err
+ }
+ metadata["partition-spec"] = rawFields
}
- metadata["partition-spec"] = rawFields
}
if lastPartitionIDSet {
- rawLastPartitionID, err := json.Marshal(lastAssignedID)
+ rawLastPartitionID, err :=
json.Marshal(normalizedLastPartitionID)
Review Comment:
> move the max-field-id scan to the write side\n\nThanks—implemented in
c9bae41 with one shared history-aware allocation floor.
##########
table/metadata_preflight_test.go:
##########
@@ -85,6 +86,88 @@ func TestParseMetadataBytesAssignsMissingPartitionFieldIDs(t
*testing.T) {
}
}
+func TestParseMetadataBytesNormalizesStaleLastPartitionID(t *testing.T) {
+ data := strings.Replace(ExampleTableMetadataV2,
+ `"last-partition-id": 1000`, `"last-partition-id": 999`, 1)
+
+ parsed, err := ParseMetadataBytes([]byte(data))
+ require.NoError(t, err)
+ require.NotNil(t, parsed.LastPartitionSpecID())
+ assert.Equal(t, 1000, *parsed.LastPartitionSpecID())
+
+ update := NewUpdateSpec(New(nil, parsed, "", nil,
nil).NewTransaction(), false).
+ AddField("x", iceberg.BucketTransform{NumBuckets: 16},
"x_bucket")
+ _, _, err = update.BuildUpdates()
Review Comment:
> assert that update requirement equals 999\n\nGreat catch—covered, and the
new field still receives 1001.
--
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]
