feat(physical-plan): add GroupColumn support for FixedSizeList<primitive> in multi-column GROUP BY#23128

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zhuqi-lucas:qizhu/group-column-fixed-size-list-primitive

Commits on Jul 5, 2026

feat(physical-plan): add GroupColumn support for FixedSizeList<primitive> in multi-column GROUP BY
zhuqi-lucas
committed
Address Copilot review on #23128: reject negative FixedSizeList size, drop per-compare allocation in equal_to
zhuqi-lucas
committed
Address Rich-T-kid review on #23128: assert! + comment tightening
zhuqi-lucas
committed