feat(format): schema evolution for the Java row codec - #3714

Draft

stevenschlansker wants to merge 19 commits into

apache:mainfrom

stevenschlansker:row-codec-schema-versions

Commits on Jul 1, 2026

feat(format): schema evolution for the Java row codec
Claude (on behalf of Steven Schlansker)
committed
034c5c1
feat(format): dispatch nested versioned beans by recursive strict hash
Claude (on behalf of Steven Schlansker)
committed
e860743
fix(format): enumerate versioned beans nested inside collection fields
Claude (on behalf of Steven Schlansker)
committed
c89e760
fix(format): decode map struct keys at current schema during value projection
Claude (on behalf of Steven Schlansker)
committed
5a3c987
fix(format): evolve top-level array/map whose element/value wraps a versioned bean
Claude (on behalf of Steven Schlansker)
committed
56c2a3a
fix(format): support interface beans as map values, discovered when nested
Claude (on behalf of Steven Schlansker)
committed
f21bb0b
feat(format): evolve map keys via a combined key/value schema hash
Claude (on behalf of Steven Schlansker)
committed
f48944a
feat(format): evolve versioned map keys nested in a row field
Claude (on behalf of Steven Schlansker)
committed
fd11e9f
fix(format): evolve every distinct bean reachable through a top-level array/map
Claude (on behalf of Steven Schlansker)
committed
1a6c11d
fix(format): delimit struct children in row-codec strict schema hash
Claude (on behalf of Steven Schlansker)
committed
3d2f8f1
perf(format): generate row-codec schema projections lazily on first decode
Claude (on behalf of Steven Schlansker)
committed
5978a5d

Commits on Aug 20, 2026

Merge remote-tracking branch 'upstream/main' into row-codec-schema-versions
Claude (on behalf of Steven Schlansker)
committed
f2f56c7
fix(format): resolve bean-scoped custom codecs in schema-history field reconstruction
Claude (on behalf of Steven Schlansker)
committed
c36416a
fix(format): reject removed-field schema-history cycles at build time
Claude (on behalf of Steven Schlansker)
committed
1cbd2c1
fix(format): compile projection codecs with the build-time classloader
Claude (on behalf of Steven Schlansker)
committed
82b9a56

Commits on Aug 21, 2026

feat(format): make row schema-evolution wire identity cross-language reproducible
Claude (on behalf of Steven Schlansker)
committed
b42ca16
docs(format): document renames under row schema evolution
Claude (on behalf of Steven Schlansker)
committed
ad43cbf
Merge remote-tracking branch 'apache/main' into row-codec-schema-versions

stevenschlansker
authored and
Claude (on behalf of Steven Schlansker)
committed
6814226
fix(format): never introspect terminal custom-codec fields in the evolution walk

Claude (on behalf of Steven Schlansker)
authored and
Claude (on behalf of Steven Schlansker)
committed
2e02e6a