Preprocess parquet repetition and definition levels#21139

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pmattione-nvidia wants to merge 14 commits intorapidsai:mainfrom

pmattione-nvidia:prepro_levels

Commits on Jan 14, 2026

First pass, working
pmattione-nvidia
committed

Commits on Jan 15, 2026

def can't be nullptr
pmattione-nvidia
committed

Commits on Jan 16, 2026

Merge branch 'main' into prepro_levels
pmattione-nvidia
committed

Commits on Jan 20, 2026

in memory scratch space calculation take into account rep/def memory. improve/refactor common code with string offset memory accounting
pmattione-nvidia
committed

Commits on Jan 21, 2026

fix race issue
pmattione-nvidia
committed

Commits on Jan 23, 2026

fix racecheck error
pmattione-nvidia
committed

Commits on Jan 24, 2026

Merge branch 'main' into prepro_levels
Matt711
authored

Commits on Jan 26, 2026