test(parity): corpus tiers 08-10; file P13-P26; pin DuckDB - #42

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parity/corpus-tiers-08-10

Aug 2, 2026

Commits on Aug 2, 2026

test(parity): add corpus tiers 08-10; file P13-P15

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test(parity): build out tier 08 with a NULL fixture; file P16-P20

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docs(parity): record the P17 decision — follow the reference engine on NULL ordering

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docs(parity): decide P20 (propagate NULL through ||); promote the rule

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test(parity): build out tier 09 (window functions); file P21-P26

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build(parity): pin DuckDB at 1.5.5; close the discovery phase

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