[feature](function) Support Spark/Hive-compatible stack table function - #66734

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HappenLee wants to merge 5 commits into

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HappenLee:pr-66664

Commits on Aug 13, 2026

[feature](function) Support stack table-generating function
HappenLee
committed
ccee40c
[feature](function) Address stack table function review feedback
HappenLee
committed
7a91dec
[fix](function) Complete stack analysis validation
HappenLee
committed
2351b0f
[fix](function) Preserve single-column struct values in stack
HappenLee
committed
66a3195
[fix](function) Make stack row-count folding context safe
HappenLee
committed
1fbb2a5