CardFoot.
What was read, the population, the control with what was expected and what was seen, and the position of each count
Figure 1CardFootspecified
- kind
- value
- scope
- none
- key
- none
- store
- none
- family
- harness
Fields#
| field | type | required | note |
|---|---|---|---|
what_was_read | [text] | yes | |
population | PopulationStatement | yes | |
control | ControlResult | no | |
positions | {text:enum:measured | never measured | withheld} | yes | |
as_of | TwoDates | yes | |
tier | text | no | the tier that gave it |
read_set | TouchedBuckets | no | the buckets and snapshots of each table the answer read, so a cached card, a document, a map or a served table knows when its facts changed |
Routes that use it#
No route takes or returns CardFoot directly. The record holds it, and the objects that point at it reach it.