tanmayrauth commented on code in PR #1315:
URL: https://github.com/apache/iceberg-go/pull/1315#discussion_r3471940595
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schema_test.go:
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@@ -442,6 +442,61 @@ func TestUnmarshalSchema(t *testing.T) {
assert.True(t, tableSchemaSimple.Equals(&schema))
}
+func TestUnmarshalSchemaRejectsDuplicateFieldIDs(t *testing.T) {
Review Comment:
Nice — the top-level and nested-struct cases are the important ones. Since
checkDuplicateFieldIDs also walks list element IDs and map key/value IDs
(schema.go:118-130), would you consider adding a list or map dup-ID case too?
Those branches are only exercised indirectly right now, and they're the easiest
to silently break later.
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