Recognises a target narrower than its source
A target type that truncates the source.
Can AI do this?
Not settled yet The benchmark tested this, but the models' answers do not settle yet whether they master it. 0 of 4 models in the current benchmark master it.
| Model | Tier | Probability of mastery | Status |
|---|---|---|---|
| gemini-4-argon | Flagship | 77% | Not shown |
| gemini-3.5-flash-lite | Low cost | 45% | Not shown |
| gpt-6-luna | Low cost | 75% | Not shown |
| claude-haiku-5-5 | Low cost | 74% | Not shown |
Mastered means a probability of at least 90% that the model has this knobit, estimated from its graded answers. “Not shown” means the answers do not settle it either way. How the models are tested.
What it looks like in practice
Expected result: The type or the agreed rule
How it is assessed: Flags the deficient case and passes the acceptable one. Deficient: MP-010 party.name VARCHAR(40) <- SR-004 name (VARCHAR(140)) Acceptable: Target widened, or truncation rule agreed and reported
Also known as: Target narrower than source
Related knobits
Builds on
All 18 knobits of Map sources to targets.
Source: Review checklist 02-source-to-target-mapping, row 11 (DMBOK)