{
  "$id": "https://example.com/schema.json",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "description": "dtf materialized views schema",
  "type": "object",
  "patternProperties": {
    "^[\\w_]+$": {
      "type": "array",
      "items": {
        "type": "string"
      }
    }
  }
}