column validity

version: 1.0.0
apiVersion: v3.1.0
kind: DataContract
id: 53581432-6c55-4ba2-a65f-72344a91553a
status: active
name: my_table
schema:
  - name: Air_Quality
    description: Air quality of the city of New York
    authoritativeDefinitions:
      - url: https://catalog.data.gov/dataset/air-quality
        type: Reference definition on Data.gov
    dataGranularityDescription: Raw records
    physicalType: table
    properties:
    - name: air_quality_status
      primaryKey: true
      logicalType: string
      physicalType: varchar
      quality:
      - metric: invalidValues
        mustBeLessOrEqualTo: 5
        unit: percent
        arguments:
          validValues: ["", null, "n/a"]
        description: This column should be filled in 95% of the time
        dimension: conformity
        severity: error
        businessImpact: operational