{
  "$defs": {
    "DimPolicy": {
      "description": "What may happen to a dim's coordinates at score time.",
      "enum": [
        "fixed",
        "extend",
        "new_levels"
      ],
      "title": "DimPolicy",
      "type": "string"
    },
    "DimSpec": {
      "additionalProperties": false,
      "description": "A dimension and its score-time policy.",
      "properties": {
        "description": {
          "anyOf": [
            {
              "maxLength": 2000,
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Description"
        },
        "freq": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "description": "Pandas-style frequency, e.g. 'W-SUN'",
          "title": "Freq"
        },
        "kind": {
          "enum": [
            "categorical",
            "time",
            "integer",
            "float",
            "index"
          ],
          "title": "Kind",
          "type": "string"
        },
        "max_extension": {
          "anyOf": [
            {
              "minimum": 0,
              "type": "integer"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "description": "Periods allowed past the fit",
          "title": "Max Extension"
        },
        "new_level_strategy": {
          "default": "error",
          "enum": [
            "error",
            "hyperprior",
            "pooled",
            "zero"
          ],
          "title": "New Level Strategy",
          "type": "string"
        },
        "ordered": {
          "default": false,
          "title": "Ordered",
          "type": "boolean"
        },
        "policy": {
          "$ref": "#/$defs/DimPolicy",
          "default": "fixed"
        }
      },
      "required": [
        "kind"
      ],
      "title": "DimSpec",
      "type": "object"
    }
  },
  "$id": "https://schemas.mapi.dev/v1/api-DimMapping.json",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "additionalProperties": false,
  "description": "A dim of the dataset, read from one column of a tabular upload.",
  "examples": [
    {
      "column": "date",
      "spec": {
        "freq": "D",
        "kind": "time",
        "policy": "extend"
      }
    }
  ],
  "properties": {
    "column": {
      "maxLength": 256,
      "minLength": 1,
      "title": "Column",
      "type": "string"
    },
    "spec": {
      "$ref": "#/$defs/DimSpec"
    }
  },
  "required": [
    "column",
    "spec"
  ],
  "title": "DimMapping",
  "type": "object",
  "x-mapi-contract-version": "0.2"
}