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

Draft

stevenschlansker wants to merge 11 commits into

apache:mainfrom

stevenschlansker:row-codec-schema-versions

Commits on Jun 30, 2026

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