[python] Support schema evolution of nested struct sub-fields#8187

Merged

JingsongLi merged 10 commits into

apache:masterfrom

TheR1sing3un:python-nested-schema-evolution

Jun 15, 2026

Commits on Jun 9, 2026

[python] Support schema evolution of nested struct sub-fields
TheR1sing3un
committed

Commits on Jun 10, 2026

[python] Align nested-leaf projection with field-id schema evolution
TheR1sing3un
committed

Commits on Jun 11, 2026

[python] Materialize constructed-type to STRING casts at read time
TheR1sing3un
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[python] Reject vector-to-string casts and validate nested wrapper tokens
TheR1sing3un
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[python] Harden nested schema evolution: reject reshaping casts, fix sliced arrays, gate null-to-not-null
TheR1sing3un
committed