{
  "$id": "https://opendatafabric.org/schemas/datasets/v1alpha1/DatasetVocabulary",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "description": "Specifies the mapping of system columns onto dataset schema.",
  "type": "object",
  "required": [],
  "properties": {
    "offsetColumn": {
      "type": "string",
      "description": "Name of the offset column.",
      "default": "offset"
    },
    "operationTypeColumn": {
      "type": "string",
      "description": "Name of the operation type column.",
      "default": "op"
    },
    "systemTimeColumn": {
      "type": "string",
      "description": "Name of the system time column.",
      "default": "system_time"
    },
    "eventTimeColumn": {
      "type": "string",
      "description": "Name of the event time column.",
      "default": "event_time"
    }
  }
}