fix: preserve array_join evaluation semantics across Spark versions - #5851

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sunchao:codex/upstream-array-join-semantics

Commits on Sep 10, 2026

fix: preserve array_join evaluation semantics across Spark versions
sunchao
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7f41196
Merge remote-tracking branch 'origin/main' into codex/upstream-array-join-semantics
sunchao
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9680ffb
test: distinguish native decimal coverage from array_join fallback
sunchao
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12e3d85