Don't extract NULL values into a lookup row (#186)#750

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JOhnsonKC201 wants to merge 2 commits into

simonw:mainfrom

JOhnsonKC201:fix/extract-null-values-186

Commits on Jun 7, 2026

Don't extract NULL values into a lookup row (#186)

JOhnsonKC201
and
claude
committed

Commits on Jun 8, 2026

extract(): keep all-NULL rows unlinked even with a pre-existing NULL lookup row

JOhnsonKC201
and
claude
committed