Youmanvi opened a new pull request, #3474:
URL: https://github.com/apache/fory/pull/3474
## Why?
Pre-proposal PoC for GSoC 2026. Demonstrates that the Go Standard Row
Format implementation is feasible and produces bytes wire-compatible with the
Java reference implementation before the full project is
scoped.
## What does this PR do?
Adds `go/fory/row/` with a working subset of the Standard Row Format:
- Null bitmap read/write (`bit=1 = null`, matching Java `BitUtils`)
- Fixed-width slot encoding for `bool`, `int8/16/32/64`, `float32/64`,
`date32`, `timestamp`, `duration`
- Variable-width slot encoding (`relativeOffset << 32 | size`) for
`string` and `binary`
- Fixed-width and variable-width arrays
- Map layout (`keysSize` prefix + keys array + values array)
- Nested row embedding
Adds `BinaryRowCrossLangTest.java` with four golden-byte tests that encode
rows in Java and assert the
exact hex, which the Go tests decode and verify field-by-field.
Not included: `Decimal`/`Interval` types, schema integration, performance
optimizations.
## Related issues
N/A
## Does this PR introduce any user-facing change?
- [x] Yes, new `go/fory/row` package.
## Does this PR introduce any public API change?
- [x] Yes, new package. No existing APIs modified.
## Does this PR introduce any binary protocol compatibility change?
- [ ] No. Strictly follows the existing spec; Java golden tests enforce
byte-exact compatibility.
## Benchmark
N/A for PoC.
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