[opt](nereids) Optimize I/O operations for the IS NULL predicate#62304

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englefly wants to merge 3 commits intoapache:masterfrom

englefly:is-null-opt-v2

Commits on Apr 9, 2026

[feature](fe) Support IS NULL/IS NOT NULL null-flag-only column pruning

englefly
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Commits on Apr 10, 2026

[fix](fe) Fix IS NULL optimization not applied for nested struct access in column pruning

englefly
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Copilot
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fix simple column is null
englefly
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