{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://openlineage.io/spec/facets/1-2-0/SchemaDatasetFacet.json",
  "$defs": {
    "SchemaDatasetFacetFields": {
      "type": "object",
      "properties": {
        "name": {
          "description": "The name of the field.",
          "type": "string",
          "example": "column1"
        },
        "type": {
          "description": "The type of the field.",
          "type": "string",
          "example": "VARCHAR|INT|..."
        },
        "description": {
          "description": "The description of the field.",
          "type": "string"
        },
        "ordinal_position": {
          "description": "The ordinal position of the field in the schema (1-indexed).",
          "type": "integer",
          "example": 1
        },
        "fields": {
          "description": "Nested struct fields.",
          "type": "array",
          "items": {
            "$ref": "#/$defs/SchemaDatasetFacetFields"
          }
        }
      },
      "required": ["name"]
    },
    "SchemaDatasetFacet": {
      "allOf": [
        {
          "$ref": "https://openlineage.io/spec/2-0-2/OpenLineage.json#/$defs/DatasetFacet"
        },
        {
          "type": "object",
          "properties": {
            "fields": {
              "description": "The fields of the data source.",
              "type": "array",
              "items": {
                "$ref": "#/$defs/SchemaDatasetFacetFields"
              }
            }
          }
        }
      ],
      "type": "object"
    }
  },
  "type": "object",
  "properties": {
    "schema": {
      "$ref": "#/$defs/SchemaDatasetFacet"
    }
  }
}