{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://openlineage.io/spec/facets/1-0-0/DataQualityMetricsDatasetFacet.json",
  "$defs": {
    "DataQualityMetricsDatasetFacet": {
      "allOf": [
        {
          "$ref": "https://openlineage.io/spec/2-0-2/OpenLineage.json#/$defs/DatasetFacet"
        },
        {
          "type": "object",
          "required": ["columnMetrics"],
          "properties": {
            "rowCount": {
              "description": "The number of rows evaluated",
              "type": "integer"
            },
            "bytes": {
              "description": "The size in bytes",
              "type": "integer"
            },
            "fileCount": {
              "description": "The number of files evaluated",
              "type": "integer"
            },
            "lastUpdated": {
              "description": "The last time the dataset was changed",
              "type": "string",
              "format": "date-time"
            },
            "columnMetrics": {
              "description": "The property key is the column name",
              "type": "object",
              "additionalProperties": {
                "type": "object",
                "properties": {
                  "nullCount": {
                    "description": "The number of null values in this column for the rows evaluated",
                    "type": "integer"
                  },
                  "distinctCount": {
                    "description": "The number of distinct values in this column for the rows evaluated",
                    "type": "integer"
                  },
                  "sum": {
                    "description": "The total sum of values in this column for the rows evaluated",
                    "type": "number"
                  },
                  "count": {
                    "description": "The number of values in this column",
                    "type": "number"
                  },
                  "min": {
                    "type": "number"
                  },
                  "max": {
                    "type": "number"
                  },
                  "quantiles": {
                    "description": "The property key is the quantile. Examples: 0.1 0.25 0.5 0.75 1",
                    "type": "object",
                    "additionalProperties": {
                      "type": "number"
                    }
                  }
                }
              }
            }
          }
        }
      ],
      "type": "object"
    }
  },
  "type": "object",
  "properties": {
    "dataQualityMetrics": {
      "$ref": "#/$defs/DataQualityMetricsDatasetFacet"
    }
  }
}