stevenzwu commented on code in PR #15630:
URL: https://github.com/apache/iceberg/pull/15630#discussion_r3120210405
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format/spec.md:
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@@ -1637,6 +1686,30 @@ The binary single-value serialization can be used to
store the lower and upper b
## Appendix E: Format version changes
+### Version 4
+
+Relative path support is added in v4.
+
+Reading v3 metadata for v4:
+
+* All location fields are treated as absolute paths
+* Any location field without a uri scheme prefix must prepend a scheme
component consistent with v4
Review Comment:
But it contradict with earlier sentences in this spec change. We said before
V4 all file paths are absolute paths and absolute path is defined as including
URI scheme.
```
**Absolute path** -- A path string that includes a
[URI](https://datatracker.ietf.org/doc/html/rfc3986#section-3.1) scheme and can
be used directly.
...
Prior to v4, all path fields must contain absolute paths.
```
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