[SPARK-59164][SDP] Support nested column schema evolution - #58465

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AnishMahto:SPARK-59164-nested-schema-diff

Commits on Sep 3, 2026

[SQL] Make diffSchemas recurse into nested structs
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d713804
cleanup
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19dad1b
compile error + add catalog test
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06b78b3
add logging for metadata drift
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9d7a431
clean up
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832410d

Commits on Sep 4, 2026