dc 0ee0b4ea7c blog: NOTNULL now rejects special missings; range rules and formulas do not support them ...

The validator fix lands in dc/dc (PR #323), so the post describes the fixed
behaviour rather than the mismatch: a special missing fails NOTNULL, matching
a physical SAS NOT NULL / primary key constraint.

Also records what ROUND and SOFTSELECT/HARDSELECT do with one, and groups
MINVAL/MAXVAL/HARDFORMULA/SOFTFORMULA under 'not supported'.

2026-09-23 07:48:44 +00:00

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blog: correct the video label on the v4.0 special missings post

2026-09-22 18:10:28 +00:00

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blog: NOTNULL now rejects special missings; range rules and formulas do not support them

2026-09-23 07:48:44 +00:00