Upgrade DF to 51#5189

Merged

AdamGS merged 10 commits intodevelopfrom

Jan 5, 2026

Commits on Jan 2, 2026

Fix conflicts
AdamGS
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Patch tpchgen
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port over cast

a10y
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AdamGS
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cleanup opener

a10y
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AdamGS
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add more

a10y
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AdamGS
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almost there...

a10y
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AdamGS
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modified upstream DF52 schema adapter backport

a10y
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AdamGS
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remove struct test

a10y
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AdamGS
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Dependencies and clippy touch ups
AdamGS
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Disable small decimal to-arrow conversion
AdamGS
committed