mattfaltyn commented on code in PR #1988:
URL: https://github.com/apache/iceberg-go/pull/1988#discussion_r3972677489
##########
table/metadata_preflight_test.go:
##########
@@ -85,6 +86,88 @@ func TestParseMetadataBytesAssignsMissingPartitionFieldIDs(t
*testing.T) {
}
}
+func TestParseMetadataBytesNormalizesStaleLastPartitionID(t *testing.T) {
+ data := strings.Replace(ExampleTableMetadataV2,
Review Comment:
> add a require.Contains
Good call—added explicit fixture guards so silent replacement failures go
red.
##########
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()
+ require.NoError(t, err)
+ updated, err := update.Apply()
+ require.NoError(t, err)
+ require.Equal(t, 2, updated.NumFields())
+ assert.Equal(t, 1001, updated.Field(1).FieldID)
+}
+
+func TestAssignMissingPartitionFieldIDsPreservesConsistentMetadata(t
*testing.T) {
+ for _, tt := range []struct {
+ name string
+ input string
+ }{
+ {
+ name: "counter below assignment floor with no fields",
+ input:
`{"last-updated-ms":0,"last-partition-id":0,"partition-specs":[{"spec-id":0,"fields":[]}]}`,
+ },
+ {
+ name: "counter above greatest field ID",
+ input:
`{"last-updated-ms":0,"last-partition-id":1001,"partition-specs":[{"spec-id":0,"fields":[{"field-id":1000}]}]}`,
+ },
+ } {
+ t.Run(tt.name, func(t *testing.T) {
+ normalized, err :=
assignMissingPartitionFieldIDs([]byte(tt.input))
+ require.NoError(t, err)
+ assert.Equal(t, tt.input, string(normalized))
+ })
+ }
+}
+
+func TestAssignMissingPartitionFieldIDsNormalizesStaleCounter(t *testing.T) {
Review Comment:
> add a two-spec case and one using the V1 partition-spec key
Thanks—the two-spec history case is covered; the existing V1 missing-ID test
continues to cover its re-marshal path.
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